List of stars in Tucana
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....

 Tucana
Tucana
Tucana is a constellation in the southern sky, created in the late sixteenth century. Its name is Latin for the toucan, a South American bird.-History:...

, 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...

G.
Gould designation
Gould designations for stars are similar to Flamsteed designations in the way that they number stars within a constellation in increasing order of right ascension. Each star is assigned an integer , followed by " G. " , and then 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
α Tuc
Alpha Tucanae
Alpha Tucanae is a binary star in the constellation Tucana.The primary component, Alpha Tucanae A, is an orange K-type giant with an apparent magnitude of +2.87. It is approximately 199 light years from Earth...

 
α 2 211416 110130 2.87 −1.05 199 K3III astrometric binary
γ Tuc
Gamma Tucanae
Gamma Tucanae is a star in the constellation Tucana.Gamma Tucanae is a yellow-white F-type giant with an apparent magnitude of +3.99. It is approximately 71.8 light years from Earth....

 
γ 26 219571 114996 3.99 2.28 72 F1III
ζ Tuc
Zeta Tucanae
Zeta Tucanae is a star in the constellation Tucana. It is a spectral class F9.5 main sequence star with an apparent magnitude of +4.23. Despite having a slightly lower mass, this star is more luminous than the Sun. Based upon parallax measurements by the Hipparcos spacecraft, it is approximately...

 
ζ 49 1581 1599 4.23 4.56 28 F9V nearby Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

-like star
κ Tuc
Kappa Tucanae
Kappa Tucanae is a star system in the constellation Tucana. It is approximately 66.6 light years from Earth and the combined apparent magnitude of the system is +4.25....

 
κ 78 7788 5896 4.25 2.70 67 F6IV quadruple star
Multiple star
A multiple star consists of three or more stars which appear from the Earth to be close to one another in the sky. This may result from the stars being physically close and gravitationally bound to each other, in which case it is physical, or this closeness may be merely apparent, in which case...

β1 Tuc
Beta Tucanae
Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...

 
β1 52 2884 2484 4.36 1.20 140 B9V
ε Tuc
Epsilon Tucanae
Epsilon Tucanae is a star in the constellation Tucana.Epsilon Tucanae is a blue-white B-type subgiant with an apparent magnitude of +4.49. It is approximately 374 light years from Earth....

 
ε 44 224686 118322 4.49 −0.81 374 B9IV
δ Tuc
Delta Tucanae
Delta Tucanae is a binary star in the constellation Tucana. It is approximately 267 light years from Earth.The primary component, Delta Tucanae A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.51. The companion star is a magnitude +9.3 star 7 arcseconds from the...

 
δ 6 212581 110838 4.51 −0.06 267 B8V
β2 Tuc
Beta Tucanae
Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...

 
β2 53 2885 2487 4.53 0.92 172 A2V
ν Tuc
Nu Tucanae
Nu Tucanae is a star in the constellation Tucana.Nu Tucanae is a M-type red giant with a mean apparent magnitude of +4.91. It is approximately 273 light years from Earth. It is classified as an irregular variable star and its brightness varies from magnitude +4.75 to +4.93....

 
ν 8 213442 111310 4.91 0.30 273 M4III
η Tuc
Eta Tucanae
Eta Tucanae is a star in the constellation Tucana.Eta Tucanae is a white A-type main sequence dwarf with an apparent magnitude of +5.00. It is approximately 159 light years from Earth....

 
η 43 224392 118121 5.00 1.56 159 A1V
β3 Tuc
Beta Tucanae
Beta Tucanae is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous enough to have been given their own Bayer designations, β¹ Tucanae through β³ Tucanae...

 
β3 54 3003 2578 5.07 1.73 151 A0V
5 212330 110649 5.31 3.75 67 F9V
ι Tuc
Iota Tucanae
Iota Tucanae is a star in the constellation Tucana.Iota Tucanae is a yellow G-type giant with a mean apparent magnitude of +5.36. It is approximately 279 light years from Earth. It is classified as a semiregular variable star and its brightness varies by 0.06 magnitudes....

 
ι 76 6793 5268 5.36 0.70 279 G5III
ρ Tuc
Rho Tucanae
Rho Tucanae is a binary star in the constellation Tucana.Rho Tucanae is a spectroscopic binary composed of two yellow-white F-type main sequence dwarfs with a combined apparent magnitude of +5.38. The binary star has a rotation period of 4.82 days. It is approximately 133 light years from Earth....

 
ρ 62 4089 3330 5.38 2.33 133 F6V
λ2 Tuc
Lambda Tucanae
The Bayer designation Lambda Tucanae is shared by two star systems, λ¹ Tucanae and λ² Tucanae, in the constellation Tucana. They are separated by 0.23° in the sky.-λ¹ Tucanae:...

 
λ2 70 5457 4293 5.45 1.40 210 G7III
π Tuc
Pi Tucanae
Pi Tucanae is a star in the constellation Tucana.Pi Tucanae is a blue-white B-type main sequence dwarf with an apparent magnitude of +5.50. It is approximately 306 light years from Earth....

 
π 50 1685 1647 5.50 0.64 306 B9V
45 225253 377 5.59 −0.63 572 B8III
29 220572 115620 5.60 0.89 285 K0III
32 220790 115769 5.63 0.82 298 G8III
25 219482 114948 5.64 4.07 67 F7V
CG Tuc  33 221006 115908 5.66 0.33 380 Ap Si α² CVn variable
BQ Tuc  69 5276 4200 5.73 −0.64 613 M4III
36 222820 117088 5.73 −1.42 879 K3II
60 3823 3170 5.89 3.86 83 G1V
42 224361 118092 5.95 1.96 205 A2p
10 214632 111967 5.98 −1.90 1226 K4III
61 4088 3352 5.99 1.68 237 K5III
64 4294 3489 6.06 1.44 274 F5III/IV
35 222805 117105 6.06 2.75 150 G8IV
DR Tuc  28 220263 115433 6.08 −1.00 851 M3III
θ Tuc
Theta Tucanae
Theta Tucanae is a star in the constellation Tucana.Theta Tucanae is a white A-type subgiant with a mean apparent magnitude of +6.11. It is approximately 490 light years from Earth. It is classified as a Delta Scuti type variable star and its brightness varies from magnitude +6.06 to +6.15 with...

 
θ 55 3112 2629 6.11 0.22 490 A7IV 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...

23 219077 114699 6.12 3.79 95 G5IV
18 216187 112924 6.14 0.69 401 K0III
9 213884 111548 6.22 2.07 220 F0Vn
72 5771 4563 6.23 0.07 557 Am
80 7916 5992 6.23 1.16 336 A0V
CC Tuc  74 6311 4879 6.25 −0.71 803 M2III
11 215121 112259 6.29 0.63 442 F3V
46 565 798 6.34 0.68 442 A6V
15 215682 112603 6.36 0.95 393 K0III
4 211726 110311 6.41 −0.48 780 K3/K4III
57 3444 2889 6.43 −0.05 646 K2/K3III
17 216169 112895 6.47 1.27 357 K1IIICN...
30 220759 115756 6.47 −0.70 886 K4III
14 215562 112533 6.49 0.05 633 K1III
65 G. Tuc
HD 4308
HD 4308 is a 6th magnitude star located approximately 71 light years away in the southern constellation of Tucana.-Planetary system:...

 
65 4308 3497 6.54 4.84 72 G5V has a planet
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 4308 b
HD 4308 b is a low-mass jovian exoplanet orbiting around HD 4308. The planet orbits very close to the star....

)
λ1 Tuc
Lambda Tucanae
The Bayer designation Lambda Tucanae is shared by two star systems, λ¹ Tucanae and λ² Tucanae, in the constellation Tucana. They are separated by 0.23° in the sky.-λ¹ Tucanae:...

 
λ1 68 5190 4084 6.67 2.73 200 F7IV/V
HD 221287
HD 221287
HD 221287 is a yellow-white main-sequence star approximately 173 light years away in the constellation of Tucana. It has an apparent magnitude of 7.82 and absolute magnitude of 4.20. This star is also named HIP 116084.- Planetary system :...

 
221287 116084 7.82 4.20 173 F7V has a planet (b)
HD 7199  7199 5529 8.06 117 KOIV/V has a planet (b)
ξ Tuc
47 Tucanae
47 Tucanae or just 47 Tuc is a globular cluster located in the constellation Tucana. It is about 16,700 light years away from Earth, and 120 light years across. It can be seen with the naked eye, with a visual magnitude of 4.0...

 
ξ 51 2051 1902 8.88 13,400 Ne... globular cluster
Globular cluster
A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is...

 47 Tuc
47 Tucanae
47 Tucanae or just 47 Tuc is a globular cluster located in the constellation Tucana. It is about 16,700 light years away from Earth, and 120 light years across. It can be seen with the naked eye, with a visual magnitude of 4.0...

 (numbered in Bode's catalogue)
HD 215497
HD 215497
HD 215497 is a star located approximately 142 light-years away in the constellation of Tucana. It is a K3V star with the characteristics very similar to the Sun. In 2009, two extrasolar planets were discovered orbiting the star.- Planetary system :...

 
215497 112441 8.97 5.78 142 K3V has two planets (b
HD 215497 b
HD 215497 b is an extrasolar planet which orbits the K-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least 6.6 times the mass of Earth. This planet was detected by HARPS on October 19, 2009, together with 29 other...

 & c
HD 215497 c
HD 215497 c is an extrasolar planet which orbits the G-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least one-thirds the mass of Jupiter and takes 568 days to orbit the star at a semimajor axis of 1.282 AU...

)
HD 5980
HD 5980
HD 5980 is a binary star in NGC 346 nebula. It is one of the brightest stars in the Small Magellanic Cloud, and one of the most luminous stars known. HD 5980 A is probably a luminous blue variable of about 40–60 solar masses, while HD 5980 B is an evolved Wolf–Rayet star of about 30 solar masses....

 
5980 11.52 −11.5 200,000 WN3+OB D one of the most luminous stars known
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