List of stars in Canis Major
Encyclopedia
This is the list of notable star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

s in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Canis Major
Canis Major
Canis Major is one of the 88 modern constellations, and was included in the 2nd-century astronomer Ptolemy's 48 constellations. Its name is Latin for 'greater dog', and is commonly represented as one of the dogs following Orion the hunter...

, sorted by decreasing brightness.
Name B
Bayer designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name...

F
Flamsteed designation
Flamsteed designations for stars are similar to Bayer designations, except that they use numbers instead of Greek letters. Each star is assigned a number and the Latin genitive of the constellation it lies in...

HD
Henry Draper Catalogue
The Henry Draper Catalogue is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension , published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the...

HIP RA
Right ascension
Right ascension is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordinate is the declination.-Explanation:...

Dec
Declination
In astronomy, declination is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. Declination in astronomy is comparable to geographic latitude, but projected onto the celestial sphere. Declination is measured in degrees north and...

vis.
mag.
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...

abs.
mag.
Absolute magnitude
Absolute magnitude is the measure of a celestial object's intrinsic brightness. it is also the apparent magnitude a star would have if it were 32.6 light years away from Earth...

Dist. (ly) Sp. class
Stellar classification
In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure...

Notes
Sirius
Sirius
Sirius is the brightest star in the night sky. With a visual apparent magnitude of −1.46, it is almost twice as bright as Canopus, the next brightest star. The name "Sirius" is derived from the Ancient Greek: Seirios . The star has the Bayer designation Alpha Canis Majoris...

 
α 9 48915 32349 −1.46 1.42 8.6 A0m... Alhabor, Aschere, Canicula, the Dog Star; brightest star, 5th nearest star system; binary
Binary star
A binary star is a star system consisting of two stars orbiting around their common center of mass. The brighter star is called the primary and the other is its companion star, comes, or secondary...

ε CMa
Epsilon Canis Majoris
Epsilon Canis Majoris is the second brightest star in the constellation Canis Major, and one of the brightest stars in the night sky. It has the Bayer designation "epsilon" despite being the second brightest and not the fifth brightest star in its constellation. It has the traditional name Adhara...

 
ε 21 52089 33579 1.50 −4.10 431 B2II Adhara, Aoul al Adzari, Prima Virginum part of Al ʽAdhārā or Al Adzari
δ CMa
Delta Canis Majoris
Delta Canis Majoris is a star in the constellation Canis Major. It has the traditional name Wezen or Wesen...

 
δ 25 54605 34444 1.83 −6.87 1791 F8Ia Wezen, Thalath al Adzari, Tertia Virginum, part of Al ʽAdhārā or Al Adzari
β CMa
Beta Canis Majoris
Beta Canis Majoris is a star in the constellation of Canis Major. It has the traditional name Murzim, Al-Murzim or Mirzam....

 
β 2 44743 30324 1.98 −3.95 499 B1II/III Mirzam (Murzim); β Cep variable
Beta Cephei variable
Beta Cephei variables are variable stars which exhibit variations in their brightness due to pulsations of the stars' surfaces. The point of maximum brightness roughly corresponds to the maximum contraction of the star. Typically, Beta Cephei variables change in brightness by 0.01 to 0.3...

η CMa
Eta Canis Majoris
Eta Canis Majoris is a star in the constellation Canis Major. It has the traditional name Aludra.The name Aludra originates from the Arabic: عذرا al-‘aðrā "the virgin"...

 
η 31 58350 35904 2.45 −7.51 3196 B5Ia Aludra, part of Al ʽAdhārā or Al Adzari; α Cyg variable
Alpha Cygni variable
Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time others parts expand. They are supergiant stars of spectral types B or A...

ζ CMa
Zeta Canis Majoris
Zeta Canis Majoris is a spectroscopic binary in the constellation Canis Major. It has the traditional name Furud or Phurud, from the Arabic ألفرد al-furud meaning the bright single ones or, perhaps by a transcriber's error, from Al Ḳurūd , the Apes, or Al Agribah , the Raven by Al...

 
ζ 1 44402 30122 3.02 −2.05 336 B2.5V Furud; spectroscopic binary
ο2 CMa
Omicron2 Canis Majoris
Omicron2 Canis Majoris is a star in the constellation Canis Major. It is one of the most luminous stars known, a supergiant that has used up the hydrogen fuel in its core and has entered the evolutionary stage where it is fusing helium atoms to form carbon...

 
ο2 24 53138 33977 3.02 −6.46 2567 B3Ia Thanih al Adzari, Secunda Virginum, part of Al ʽAdhārā or Al Adzari, α Cyg variable
σ CMa
Sigma Canis Majoris
Sigma Canis Majoris is a star in the constellation Canis Major. It is approximately 1220 light years from Earth.σ Canis Majoris is an orange K-type supergiant with a mean apparent magnitude of +3.49. It is classified as an irregular variable star and its brightness varies from magnitude +3.43 to...

 
σ 22 52877 33856 3.49 −4.37 1216 K4III irregular variable
Irregular variable
An irregular variable is a type of variable star in which variations in brightness show no regular periodicity. There are two main sub-types of irregular variable: eruptive and pulsating.Eruptive irregular variables are divided into three categories:...

κ CMa
Kappa Canis Majoris
Kappa Canis Majoris is a star in the constellation Canis Major.κ Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +3.50. It is approximately 790 light years from Earth. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from...

 
κ 13 50013 32759 3.50 −3.42 789 B1.5IVne γ Cas variable
ο1 CMa  ο1 16 50877 33152 3.89 −5.02 1976 K3Iab irregular variable
ν2 CMa
Nu2 Canis Majoris
Nu² Canis Majoris is a star in the constellation Canis Major.ν² Canis Majoris is an orange K-type giant with an apparent magnitude of +3.95. It is approximately 64.7 light years from Earth...

 
ν2 7 47205 31592 3.95 2.46 65 K1III+... Yějī (野雞)
ω CMa
Omega Canis Majoris
Omega Canis Majoris is a star in the constellation Canis Major.ω Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +4.01. It is approximately 920 light years from Earth. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from...

 
ω 28 56139 35037 4.01 −3.25 924 B2IV/Ve γ Cas variable
θ CMa
Theta Canis Majoris
Theta Canis Majoris is a star in the constellation Canis Major.θ Canis Majoris is an orange K-type giant with an apparent magnitude of +4.08. It is approximately 252 light years from Earth....

 
θ 14 50778 33160 4.08 −0.36 252 K4III
γ CMa
Gamma Canis Majoris
Gamma Canis Majoris is a star in the constellation Canis Major. It has the traditional name Muliphein, not to be confused with Muhlifain, which is Gamma Centauri; both names derive from the same Arabic root, محلفين muħlifayn.γ Canis Majoris is a blue-white B-type bright giant with an apparent...

 
γ 23 53244 34045 4.11 −1.34 402 B8II Muliphein
ξ1 CMa
Xi1 Canis Majoris
Xi1 Canis Majoris is a star in the constellation Canis Major. It is approximately 2051 light years from Earth.ξ1 Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +4.34. It is classified as a Beta Cephei type variable star and its brightness varies from magnitude...

 
ξ1 4 46328 31125 4.34 −4.65 2050 B1III β Cep variable
ι CMa
Iota Canis Majoris
Iota Canis Majoris is a star in the constellation Canis Major.ι Canis Majoris is a blue-white B-type bright giant with a mean apparent magnitude of +4.36. It is approximately 3100 light years from Earth. It is classified as a Beta Cephei type variable star and its brightness varies from...

 
ι 20 51309 33347 4.36 −5.51 3075 B3Ib/II β Cep variable
τ CMa
Tau Canis Majoris
Tau Canis Majoris is an eclipsing spectroscopic binary in the constellation Canis Major and the brightest star of an open cluster designated NGC 2362...

 
τ 30 57061 35415 4.37 −5.59 3196 O9Ib member of the NGC 2362
NGC 2362
NGC 2362 is an open cluster in the constellation Canis Major. It was discovered by Giovanni Batista Hodierna before 1654. Its brightest star is Tau Canis Majoris, and therefore it is sometimes called the Tau Canis Majoris Cluster. NGC 2362 has a distance of 1.48 kpc and is a relatively young 4–5...

 star cluster
Star cluster
Star clusters or star clouds are groups of stars. Two types of star clusters can be distinguished: globular clusters are tight groups of hundreds of thousands of very old stars which are gravitationally bound, while open clusters, more loosely clustered groups of stars, generally contain less than...

; β Lyr variable
Beta Lyrae variable
Beta Lyrae variables are a class of close binary stars. Their total brightness is variable because the two component stars orbit each other, and in this orbit one component periodically passes in front of the other one, thereby blocking its light. The two component stars of Beta Lyrae systems are...

ν3 CMa
Nu3 Canis Majoris
Nu3 Canis Majoris is a binary star in the constellation Canis Major. It is approximately 464 light years from Earth....

 
ν3 8 47442 31700 4.42 −1.35 464 K0II/III
EW CMa
27 Canis Majoris
27 Canis Majoris, also called 27 CMa, is a star system in the constellation Canis Major. It is approximately 1580 light years from Earth and has a mean apparent magnitude of +4.42....

 
27 56014 34981 4.42 −4.00 1575 B3IIIe binary, component A spectroscopic binary, component B γ Cas variable
λ CMa
Lambda Canis Majoris
Lambda Canis Majoris is a star in the constellation Canis Major. This star, along with ζ CMa, γ Col, δ Col, θ Col, κ Col, λ Col, μ Col and ξ Col, were Al Ḳurūd , the Apes....

 
λ 45813 30788 4.47 −1.01 406 B4V
ξ2 CMa
Xi2 Canis Majoris
Xi2 Canis Majoris is a star in the constellation Canis Major.ξ2 Canis Majoris is a white A-type main sequence dwarf with an apparent magnitude of +4.54. It is approximately 412 light years from Earth....

 
ξ2 5 46933 31416 4.54 −0.97 412 A0III
π CMa
Pi Canis Majoris
Pi Canis Majoris is a star in the constellation Canis Major.π Canis Majoris A is a yellow-white F-type subgiant with an apparent magnitude of +4.66. It is approximately 95.3 light years from Earth....

 
π 19 51199 33302 4.66 2.33 95 F2IV/V
147 G. CMA 56618 35205 4.66 −1.05 453 M2III
61 G. CMa 47667 31827 4.82 −3.60 1575 K2III
EY CMa
15 Canis Majoris
15 Canis Majoris is a star in the constellation Canis Major.15 Canis Majoris is a blue-white B-type subgiant with a mean apparent magnitude of +4.82. It is approximately 1615 light years from Earth. It is classified as a Beta Cephei type variable star and its brightness varies from magnitude...

 
15 50707 33092 4.82 −3.65 1614 B1IV β Cep variable
145 G. CMa  56577 35210 4.83 −6.59 6269 K4III Double star
Double star
In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e...

UW CMa
29 Canis Majoris
29 Canis Majoris is a star in the constellation Canis Major.29 Canis Majoris is an O-type blue supergiant with a mean apparent magnitude of +4.88. It is approximately 3000 light years from Earth. It is classified as a Beta Lyrae type variable star and its brightness varies from magnitude +4.84...

 
29 57060 35412 4.88 −4.93 2991 O7Ia:fp β Lyr variable
160 G. CMa 57821 35727 4.94 −1.06 517 B5II/III
7 G. CMa 43445 29735 5.00 −0.30 375 B9V
μ CMa  μ 18 51250 33345 5.00 −2.22 908 B9.5V
11 G. CMa 43827 29895 5.15 −1.05 567 K1III
41 G. CMa 46184 31084 5.16 0.05 343 K1III
FW CMa (165 G. CMa) 58343 35951 5.18 −2.13 945 B2Vne γ Cas variable; Be star
Be star
A Be star is a B-type star with prominent emission lines of hydrogen in its spectrum. The designation is combined by the spectral class, B, and the lowercase e denoting emission in the spectral classification system. Line emission from other atomic ions might be present as well, but is typically...

23 G. CMa 44951 30457 5.21 −0.34 420 K3III
FT CMa
10 Canis Majoris
10 Canis Majoris is a star in the constellation Canis Major. It is approximately 2600 light years from Earth.10 Canis Majoris is a blue-white B-type giant with a mean apparent magnitude of +5.23. It is classified as a Gamma Cassiopeiae type variable star and its brightness varies from magnitude...

 
10 48917 32292 5.23 −4.29 2608 B2V γ Cas variable
59 G. CMa
HD 47536
HD 47536 is a 5th magnitude K-type giant star located approximately 400 light-years away in the constellation of Canis Major. The exact mass of the star is unknown, either 1.1 or 3 MS...

 
47536 31688 5.25 −0.17 396 K1III has two planets
Extrasolar planet
An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...

 (b
HD 47536 b
HD 47536 b is an extrasolar planet located approximately 396 light-years away in the constellation of Canis Major, orbiting the star HD 47536. The mass and semimajor axis are not exactly known, the mass can either be 4.96 or 9.67 MJ and semimajor axis can either be 1.61 or 2.25 AU, both depending...

 & c
HD 47536 c
HD 47536 c is an extrasolar planet located approximately 396 light-years away in the constellation of Canis Major, orbiting the star HD 47536. Like HD 47536 b, mass and semimajor axis are not exactly known. The mass can either be 6.98 or 13.61 MJ and semimajor axis of 3.72 or 5.20 AU, both...

)
11 CMa
11 Canis Majoris
11 Canis Majoris is a star in the constellation Canis Major.11 Canis Majoris is a blue-white B-type giant with an apparent magnitude of +5.28. It is approximately 642 light years from Earth....

 
11 49229 32492 5.28 −1.19 642 B8/B9III
97 G. CMa 51283 33316 5.29 −3.82 2159 B2/B3III
154 G. CMa 57146 35427 5.29 −2.80 1353 G2II
71 G. CMa 49048 32411 5.30 −0.13 398 A1IV/V
171 G. CMa 58535 35957 5.35 −0.79 552 K1III
142 G. CMa 56342 35083 5.36 −1.12 646 B2V
162 G. CMa 58215 35848 5.37 −0.76 549 K4III
77 G. CMa 49662 32677 5.39 −0.96 607 B7IV
NO CMa (161 G. CMa) 58155 35795 5.40 −2.81 1430 B3V Be star
FN CMa (119 G. CMa) 53974 34301 5.41 −4.29 2835 B0.5IV β Cep variable
163 G. CMa 58286 35855 5.41 −2.34 1156 B2/B3II/III
102 G. CMa 51733 33478 5.45 2.52 126 F3V
128 G. CMa 55070 34624 5.46 −1.01 643 G8III
144 G. CMa 56405 35180 5.46 0.82 277 A1V
FR CMa (17 G. CMa) 44458 30214 5.48 −3.07 1672 B1Vpe SB Be star
13 G. CMa 43955 29941 5.51 −1.91 994 B2/B3V
141 G. CMa 56160 35044 5.58 0.97 273 K3III
105 G. CMa 52018 33575 5.59 −1.93 1042 B2V
156 G. CMa 57478 35615 5.59 −0.57 556 G8/K0III
NR CMa (176 G. CMa) 58954 36186 5.60 0.93 280 F2V δ Sct variable
Delta Scuti variable
A Delta Scuti variable is a variable star which exhibits variations in its luminosity due to both radial and non-radial pulsations of the star's surface. Typical brightness fluctuations are from 0.003 to 0.9 magnitudes in V over a period of a few hours, although the amplitude and period of the...

29 G. CMa 45018 30436 5.61 −1.04 697 K5III
50 G. CMa 46936 31362 5.62 −0.25 487 B9V
HP CMa (74 G. CMa) 49131 32385 5.62 −2.81 1583 B+... γ Cas variable
LS CMa (113 G. CMa) 52670 33804 5.64 −1.85 1028 B2/B3III/IV
84 G. CMa 50644 33077 5.65 0.63 329 A9/F0III
177 G. CMa 58978 36168 5.65 −2.54 1417 B1II
LZ CMa (126 G. CMa) 54912 34579 5.69 −3.06 1831 B2V β Lyr variable
63 G. CMa 47946 31870 5.70 1.36 241 K1III
R CMa
R Canis Majoris
R Canis Majoris is an eclipsing interacting binary star system in the constellation Canis Major.-Eclipse timings:Eclipse timings for R Canis Majoris have been being measured since 1887, and whilst at present the time period appears constant at 1.1359 days, periodic quasi-sinusoidal variations of...

 (155 G. CMa)
57167 35487 5.70 2.48 144 F2III/IV Algol variable
Algol variable
Algol variables or Algol-type binaries are a class of eclipsing binary stars where the orbital plane of the stars are coincident with the line of sight from Earth. When the cooler component passes in front of the hotter one, part of the latter's light is blocked, and the total brightness of the...

ν1 CMa
Nu1 Canis Majoris
Nu1 Canis Majoris is a binary star in the constellation Canis Major. It is approximately 277 light years from Earth....

 
ν1 6 47138 31564 5.71 1.07 277 G8III/F3V...
47 G. CMa 46547 31190 5.73 −1.32 838 B2V
IY CMa (36 G. CMa) 45871 30840 5.74 −1.27 823 B5IV Be star
HZ CMa (83 G. CMa) 50123 32810 5.74 −0.97 718 B3V
FV CMa (122 G. CMa) 54309 34360 5.75 −4.04 2964 B2V:nn γ Cas variable
34 G. CMa 45765 30836 5.76 0.19 424 K0III
79 G. CMa 49980 32809 5.77 −2.62 1552 K3III
132 G. CMa 55589 34888 5.77 −0.77 661 K0
15 G. CMa 44081 30011 5.79 −2.97 1842 B3II/III
169 G. CMa 58461 35998 5.79 3.08 114 F3V
173 G. CMa 58612 36024 5.79 −4.19 3228 B5III
178 G. CMa 59067 36251 5.79 −1.66 1009 B8Vv comp VB
17 CMa
17 Canis Majoris
17 Canis Majoris is a star in the constellation Canis Major.17 Canis Majoris is a white A-type subgiant with an apparent magnitude of +5.80. It is approximately 605 light years from Earth....

 
17 51055 33248 5.80 −0.54 605 A2V
130 G. CMa 55344 34758 5.84 −0.04 489 A0IV/V
MZ CMa (159 G. CMa) 57615 35626 5.87 −0.86 723 M3III
5 G. CMa 43396 29679 5.88 −1.39 929 K2III
MM CMa
26 Canis Majoris
26 Canis Majoris is a star in the constellation Canis Major.26 Canis Majoris is a blue-white B-type main sequence dwarf with a mean apparent magnitude of +5.91. It is approximately 718 light years from Earth. It is classified as a long-period pulsating B-type variable star and its brightness...

 
26 55522 34798 5.91 −0.80 718 B2IV/V long-period pulsating variable
Variable star
A star is classified as variable if its apparent magnitude as seen from Earth changes over time, whether the changes are due to variations in the star's actual luminosity, or to variations in the amount of the star's light that is blocked from reaching Earth...

42 G. CMa 46189 31037 5.92 −1.78 1128 B3IV/V
72 G. CMa 49095 32366 5.92 3.99 79 F7V
53 G. CMa 47182 31599 5.95 −0.91 769 K4/K5III
9 G. CMa 43544 29771 5.97 −1.07 836 B2/B3V
6 G. CMa 43429 29692 5.99 1.96 208 K1III
134 G. CMa 55762 34914 5.99 −0.90 780 K4III
OS CMa (125 G. CMa) 54764 34561 6.00 B1Ib/II α Cygni variable
Alpha Cygni variable
Alpha Cygni variables are variable stars which exhibit non-radial pulsations, meaning that some portions of the stellar surface are contracting at the same time others parts expand. They are supergiant stars of spectral types B or A...

HQ CMa (158 G. CMa) 57593 35611 6.00 −2.71 1801 B3V Algol variable
58 G. CMa 47561 31758 6.01 0.26 460 A0IV
146 G. CMa 56578 35213 6.02 1.53 258 A5m...
14 G. CMa 44021 29993 6.04 −0.73 738 M1III:
69 G. CMa 49001 32368 6.04 0.15 492 K2III
172 G. CMa 58585 36017 6.04 −3.90 3165 A6II
10 G. CMa 43745 29843 6.05 3.04 130 F8/G0V
33 G. CMa 45588 30711 6.05 3.67 97 F8/G0V
62 G. CMa 47827 31859 6.05 −0.32 614 A0V
90 G. CMa 50806 33094 6.05 3.99 84 G3/G5V
152 G. CMa 57118 35442 6.06 F2Ia
HK CMa
12 Canis Majoris
12 Canis Majoris is a star in the constellation Canis Major.12 Canis Majoris is a blue-white B-type giant with a mean apparent magnitude of +6.07. It is approximately 668 light years from Earth. It is classified as an Alpha2 Canum Venaticorum type variable star and its brightness varies from...

 
12 49333 32504 6.07 −0.49 668 B7II/III α 2 CVn variable
Alpha2 Canum Venaticorum variable
An Alpha2 Canum Venaticorum variable is a type of variable star. These stars are chemically peculiar main sequence stars of spectral class B8p to A7p. They have strong magnetic fields and strong silicon, strontium, or chromium spectral lines...

117 G. CMa 53629 34142 6.09 1.07 330 K2IIICN...
121 G. CMa 54173 34318 6.09 −1.28 970 K2III
133 G. CMa 55568 34782 6.10 2.71 155 A8III/IV
56 G. CMa 47366 31674 6.11 1.46 277 K1III:
26 G. CMa 44996 30468 6.12 −2.73 1918 B4V
GY CMa (136 G. CMa) 55857 34924 6.12 −4.88 5175 B2II β Cep variable
85 G. CMa 50643 33079 6.13 0.39 458 A3III
39 G. CMa 46064 31024 6.16 −1.57 1148 B2III
164 G. CMa 58346 35920 6.20 −0.31 652 B8/B9V
103 G. CMa 51823 33492 6.22 −1.25 1019 B2/B3V
91 G. CMa 50853 33126 6.23 0.43 472 A0V
127 G. CMa 54958 34617 6.23 2.74 162 F3V
168 G. CMa 58439 35975 6.24 −2.45 1781 A2Ib/II
V350 CMa (65 G. CMa) 48501 32144 6.26 2.81 159 F2V γ Doradus variable
Gamma Doradus variable
Gamma Doradus variables are variable stars which display variations in luminosity due to non-radial pulsations of their surface. The stars are typically young, early F or late A type main sequence stars, and typical brightness fluctuations are 0.1 magnitudes with periods on the order of one day...

107 G. CMa 52273 33666 6.26 −1.90 1399 B2III
21 G. CMa 44891 30420 6.27 −2.15 1575 K2/K3III
52619 33760 6.28 2.11 222 F3/F5V
16 G. CMa 44225 30062 6.29 −0.61 784 K3III
HR CMa (46 G. CMa) 46407 31205 6.30 0.88 395 K0III:... Algol variable
148 G. CMa 56731 35241 6.30 0.46 481 A9II
25 G. CMa 44956 30376 6.31 1.27 332 G8III
KM CMa (45 G. CMa) 46347 31086 6.31 −1.10 988 M4III
78 G. CMa 49891 32744 6.31 0.04 584 A0/A1V
44394 30190 6.32 −1.70 1309 K5
32 G. CMa 45420 30669 6.32 0.14 560 K0/K1III
51 G. CMa 47012 31469 6.32 0.33 513 K0III
82 G. CMa 50093 32827 6.32 −1.52 1203 B2III/IV
111 G. CMa 52348 33703 6.32 −1.50 1194 B3V
138 G. CMa 55985 34954 6.32 −1.92 1449 B2III
174 G. CMa 58766 36045 6.32 −1.09 988 B2/B3III
KX CMa (86 G. CMa) 50648 33040 6.33 −0.70 830 M6III
IL CMa (120 G. CMa) 54031 34248 6.34 −0.69 830 B3V
135 G. CMa 55856 34940 6.34 −2.08 1575 B2IV
143 G. CMa 56341 35132 6.34 −0.89 911 A0V
55 G. CMa 47247 31593 6.35 −0.46 751 B3V
99 G. CMa 51411 33330 6.36 −1.83 1417 B3V
104 G. CMa 51925 33532 6.36 −1.89 1455 B2V
V352 CMa 43162 29568 6.37 5.26 54 G5V
30 G. CMa 45184 30503 6.37 4.65 72 G2V
48 G. CMa 46602 31266 6.39 1.12 368 K0III+...
108 G. CMa 52140 33591 6.41 −0.46 771 B3V
68 G. CMa 48938 32322 6.43 4.31 87 F7V
38 G. CMa 46037 30988 6.44 −1.49 1259 M0/M1III
149 G. CMa 56876 35326 6.45 −0.80 921 B5Vn
60 G. CMa 47579 31736 6.48 −0.07 667 A2V
118 G. CMa 53975 34297 6.48 −4.42 4939 B7Iab...
44379 30141 6.49 0.03 639 K0III
HD 47186
HD 47186
HD 47186 is a star located approximately 129 light-years away in the constellation of Canis Major. It is a G6V star with the characteristics very similar to the Sun, but it is 1.7 times more metal-rich. In 2008, two extrasolar planets were discovered orbiting the star.- Planetary system :Announced...

 
47186 31540 7.8 4.9 123 G6V text-align:left; > has two planets (b
HD 47186 b
HD 47186 b is a “hot Neptune” extrasolar planet located approximately 123 light years away in the constellation of Canis Major, orbiting the star HD 47186. This planet has a minimum mass of 22.78 times that of Earth and orbits very close to the star at a similar distance from the star as 51 Pegasi...

 & c
HD 47186 c
HD 47186 c is an extrasolar planet located approximately 123 light years away in the constellation of Canis Major, orbiting the star HD 47186. This planet has a minimum mass of 0.35061 times that of Jupiter, or 1.1712 times that of Saturn. It takes 1353.6 days or 3.7059 years to revolve around the...

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HD 45364
HD 45364
HD 45364 is a star approximately 107 light years away from Earth in the constellation of Canis Major. As of August 2008 there are two confirmed extrasolar planets orbiting around it.- Planetary system :...

 
45364 30579 8.07 5.50 106 G8V has two planets (b
HD 45364 b
HD 45364 b is an extrasolar planet located approximately 106 light years away in the constellation of Canis Major, orbiting the 8th magnitude G-type main sequence star HD 45364. Its minimum mass is 63% that of Saturn or 19% that of Jupiter. It takes 227 days to orbit the star at a distance 68% that...

 & c
HD 45364 c
HD 45364 c is an extrasolar planet located approximately 106 light years away in the constellation of Canis Major, orbiting the 8th magnitude G-type main sequence star HD 45364. This planet is located in a 3:2 orbital resonance with HD 45364 b. It has minimum mass 3.5 times more massive than HD...

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HD 43197
HD 43197
HD 43197 is a 9th magnitude G-type main sequence or subgiant star located approximately 179 light years away in the constellation Canis Major. This star is larger, cooler, fainter, and less massive than our Sun. Also its metal content is five halves as much as the Sun. In 2009, a gas giant planet...

 
43197 29550 8.95 5.25 179 G9IV-V has a planet (b
HD 43197 b
HD 43197 b is an extrasolar planet which orbits the G-type main sequence or subgiant star HD 43197, located approximately 179 light years away in the constellation Canis Major. This planet has at least three-fifths the mass of Jupiter and takes 0.9 years to orbit the star at a semimajor axis of...

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VY CMa
VY Canis Majoris
VY Canis Majoris is the largest known star and also one of the most luminous. Located in the constellation Canis Major, it is a red hypergiant, between 1800 and 2100 solar radii, 8.4–9.8 astronomical units in radius, about 3.0 billion km or 1.9 billion miles in diameter, and about 1.5 kiloparsecs ...

 
58061 35793 9.75 -9.4 5000 M3Ie–4Ie The largest known star
SN 1975A
SN 1975A
SN 1975A a supernova located in NGC 2207/IC 2163. -References:*...

 
14.16 114,000,000 S host galaxy NGC 2207
SN 1999ec
SN 1999ec
SN 1999EC is a supernova in Canis Major.-References:*...

 
114,000,000 S host galaxy NGC 2207
SN 2003H
SN 2003H
SN 2003H was a supernova that appeared halfway between the colliding NGC 2207 and IC 2163 galaxies. It was discovered January 8, 2003, by the Lick Observatory and Tenagra Supernova Searches .-References:*...

 
114,000,000 S host galaxy NGC 2207
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