List of stars in Cepheus - AbsoluteAstronomy.com

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....

Cepheus
Cepheus (constellation)
Cepheus is a constellation in the northern sky. It is named after Cepheus, King of Aethiopia in Greek mythology. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations.-Stars:...

, 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	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 Cep Alpha Cephei Alpha Cephei is a second magnitude star in the constellation of Cepheus that is relatively close to Earth at only 49 light years...	α	5	203280	105199	2.45	1.58	49	A7IV-V	Alderamin, Alderaimin; 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...
γ Cep Gamma Cephei Gamma Cephei , traditionally named Errai, Er Rai, and or Alrai, is a binary star system approximately 45 light-years away in the constellation of Cepheus. Gamma Cephei contains an apparent magnitude of 3.22. The visible part of the system is a stellar class K1III-IV orange subgiant star on its...	γ	35	222404	116727	3.21	2.51	45	K1IV	Arrai, Alrai, Errai, Er Rai; binary star 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... ; component A 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 Gamma Cephei Ab Gamma Cephei Ab is an extrasolar planet approximately 45 light-years away in the constellation of Cepheus . The planet was confirmed to be in orbit around Gamma Cephei in 2002, but was first suspected to exist around 1988 .- 1988 claims :The first indications of Gamma Cephei Ab were... )
β Cep Beta Cephei Beta Cephei is a third magnitude star in the constellation Cepheus. It has the traditional name Alfirk , meaning "The Flock" This star, along with α Cep and η Cep , were Al Kawākib al Firḳ , meaning "the Stars of The Flock" by Ulug Beg...	β	8	205021	106032	3.23	−3.08	595	B2IIIv SB	Alfirk, Alphirk; prototype of β Cep variables 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...
ζ Cep Zeta Cephei Zeta Cephei is a star in the constellation of Cepheus. Zeta Cephei marks the left shoulder of Cepheus, the King of Joppa ....	ζ	21	210745	109492	3.39	−3.35	726	K1Ibv SB	Tsao Fu; variable
η Cep Eta Cephei Eta Cephei is a class K0 third-magnitude giant star in the constellation Cepheus. Eta Cephei is an orange giant star with a very high proper motion on the celestial sphere. It is about 45 light-years from Earth...	η	3	198149	102422	3.41	2.63	47	K0IV	Al Kidr
ι Cep Iota Cephei Iota Cephei is a Class K0, third-magnitude star in the constellation Cepheus. Iota Cephei is an orange giant star located about 115 light-years from Earth. Due to precession of the equinoxes, it will become the pole star some time around 5200 CE.-External links:...	ι	32	216228	112724	3.50	0.76	115	K0III	variable
δ Cep Delta Cephei Delta Cephei is a binary star system approximately 891 light-years away in the constellation of Cepheus . Delta Cephei is the prototype of the Cepheid variable stars, and it is among the closest stars of this type to the Sun...	δ	27	213306	110991	4.07	−3.32	982	G2Ibvar	Alrediph, Al Radif, Cepheidus Prototypus; prototype of Cepheid variable Cepheid variable A Cepheid is a member of a class of very luminous variable stars. The strong direct relationship between a Cepheid variable's luminosity and pulsation period, secures for Cepheids their status as important standard candles for establishing the Galactic and extragalactic distance scales.Cepheid... s; triple star Star system A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems.-Binary star systems:A stellar...
ε Cep Epsilon Cephei Epsilon Cephei is a Class F0, fourth-magnitude star in the constellation Cepheus. Epsilon Cephei is a yellow-white, Delta Scuti variable star, located about 85 light-years from Earth....	ε	23	211336	109857	4.18	2.13	84	F0IV	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...
θ Cep Theta Cephei Theta Cephei is a Class A7, fourth-magnitude star in the constellation Cepheus. Theta Cephei is a white spectroscopic binary star, located about 135 light-years from Earth...	θ	2	195725	101093	4.21	1.11	136	A7III	Al Kidr
μ Cep Mu Cephei Mu Cephei , also known as Herschel's Garnet Star, is a red supergiant star in the constellation Cepheus. It is one of the largest and most luminous stars known in the Milky Way...	μ		206936	107259	4.23	−6.81	5258	M2Ia	(Herschel's) Garnet Star, Erakis; semiregular variable
2 UMi 2 Ursae Minoris 2 Ursae Minoris is a 4.24m orange giant star near the northern celestial pole . Despite its Flamsteed designation, the star is actually located in the constellation Cepheus. This is because of changes in constellation borders...		2	5848	5372	4.24	−0.67	313	K2II-III
ν Cep Nu Cephei Nu Cephei is a Class A2, fourth-magnitude star in the constellation Cepheus. Nu Cephei is a white pulsating variable star and multiple star system, located about 5100 light-years from Earth....	ν	10	207260	107418	4.25	−6.72	5094	A2Iavar	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... ; multiple star Star system A star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems.-Binary star systems:A stellar... ; 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...
ξ Cep Xi Cephei Xi Cephei is a star in the constellation Cepheus. It has the traditional name Kurhah or Alkirdah or Al Kirduh, and the name was from Al Ḳurḥaḥ , an Arabic word that translated as a white spot, or blaze, in the face of a horse and other suggestion was Al Ḳirdah , the Ape.Xi Cephei belongs to...	ξ	17	209790	108917	4.26	1.79	102	Am	Kurhah, Alkurah, Alkurab, Al Kirdah
ξ Cep Xi Cephei Xi Cephei is a star in the constellation Cepheus. It has the traditional name Kurhah or Alkirdah or Al Kirduh, and the name was from Al Ḳurḥaḥ , an Arabic word that translated as a white spot, or blaze, in the face of a horse and other suggestion was Al Ḳirdah , the Ape.Xi Cephei belongs to...	ξ	17	209791		4.30				component of the ξ Cep system; spectroscopic binary
κ Cep Kappa Cephei Kappa Cephei is a triple star system.-References:*...	κ	1	192907	99255	4.38	−0.63	327	B9III	triple star
π Cep Pi Cephei Pi Cephei is a trinary star located in the constellation Cepheus.-References:* * Hipparcos and Map Studies of the Triple Star Pi Cephei...	π	33	218658	114222	4.41	0.27	220	G2III	triple star
υ¹ Cep	υ¹		198084	102431	4.52	2.35	88	F8IV-V	Castula optical double 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...
11 Cep		11	206952	107119	4.55	0.89	176	K0III
			217382	113116	4.70	−0.69	390	K4III
ο Cep Omicron Cephei Omicron Cephei is a binary star in the constellation of Cepheus. It consists of a less massive K-type main sequence star in orbit with a more massive G-type giant star. The overall apparent visual magnitude of the system is 4.75.The pair was first determined to be binary by F. G. W. Struve...	ο	34	219916	115088	4.75	0.70	211	K0III	triple star
9 Cep		9	206165	106801	4.76	−5.95	4528	B2Ib	V337 Cep; variable
			216446	112519	4.77	−0.22	324	K3III	double star
24 Cep		24	210807	109400	4.79	−0.53	377	G8III
16 Cep 16 Cephei 16 Cephei is a double star, about 122 light years from the Sun in the constellation of Cepheus.-References:*...		16	209369	108535	5.04	2.17	122	F5V	double star
OV Cep			51802	37391	5.05	−0.88	499	M2III	variable
λ Cep Lambda Cephei Lambda Cephei is a hot O star in the constellation Cepheus. Due to its high temperature, it must have a mass greater than 16 solar masses. Its luminosity is also high at about 73,000 times that of the Sun. The star is 1,600 light-years from the Sun.- See also :* Cepheus* Supergiants* O-type star...	λ	22	210839	109556	5.05	−3.47	1646	O6e	emission-line star
			223274	117371	5.05	0.25	297	A1Vn
19 Cep 19 Cephei 19 Cep is a triple star.-References:*...		19	209975	109017	5.07	−6.04	5433	O9.5Ib	triple star
31 Cep		31	214470	111532	5.08	1.32	184	F3III-IV
			30338	23265	5.09	−0.03	345	K3III
			25007	19461	5.10	−0.03	345	G8III+...	double star
VV Cep VV Cephei VV Cephei, also known as HD 208816, is an eclipsing binary star system located in the constellation Cepheus, approximately 2,400 light years from Earth.Size, mass and luminosity estimates are all considerably uncertain due to insufficient knowledge of the Cephei star system: Professor Kaler writes...			208816	108317	5.11	−6.93	8359	M2 comp B0	Extremely LP 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... ; 20.3 years
78 Dra		78	207130	107230	5.18	0.78	247	K0III
6 Cep		6	203467	105268	5.19	−2.41	1079	B3IVe	V382 Cep; 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...
30 Cep		30	214734	111797	5.19	0.23	320	A3IV
			210855	109572	5.24	2.40	121	F8V
			218029	113864	5.25	−0.11	384	K3III
18 Cep		18	209772	108924	5.26	−0.43	448	M5III	MO Cep
20 Cep		20	209960	109005	5.27	0.32	318	K4III
			212710	109693	5.27	0.80	256	B9.5Vn
			210939	109592	5.37	0.08	373	K1III
			26836	20776	5.42	−1.87	937	G6III:
7 Cep		7	204770	105972	5.42	−1.45	771	B7V
			19978	15547	5.44	0.90	264	A6V
ρ Cep	ρ	29	213798	111056	5.45	1.14	237	A3V	Al Kalb al Rai
			26659	20982	5.47	0.63	304	G8III
			213022	110725	5.47	−0.54	520	K2III
			18438	14417	5.49	−1.15	695	F7IV comp SB
V408 Cep			26356	20860	5.51	−1.10	685	B5V	γ Cas variable
V381 Cep V381 Cephei V381 Cephei is a pulsating variable star in the northern constellation of Cepheus. It is a red supergiant of class M1Ibpe+ and probably has a mass of about 9 or 10 solar masses. It also has an apparent magnitude of 5.66 and is about 3,600 light years away.-See also:*List of stars in...			203338	105259	5.51	−4.74	3663	B3Vv comp
			210884	109474	5.52	2.95	107	F2V
26 Cep		26	213087	110817	5.52	−3.93	2527	B0.5Ib
			205139	106227	5.53	−3.80	2397	B1II
12 Cep		12	207528	107586	5.53	−0.25	467	M1III
			200205	103598	5.54	−0.73	586	K4III
14 Cep		14	209481	108772	5.55	−5.22	4657	O9V	LZ Cep
V388 Cep			219586	114831	5.55	0.36	356	F0IV	δ Sct variable
			221525	115746	5.56	0.69	307	A7IV
			4853	4283	5.59	1.21	245	A4V
4 Cep		4	197950	102253	5.59	2.44	139	A8V
			6798	5626	5.60	0.99	272	A3V
			220974	115770	5.60	1.59	206	A6IV
			216380	112864	5.61	1.39	227	G2IV+...
			20084	16489	5.62	0.43	355	G3IIp...
			202214	104642	5.64	−6.58	9056	B0V
			225216	379	5.68	0.74	317	K1III
			208095	107930	5.70	−0.77	643	B6IV-V
			214035	111242	5.70	−1.07	736	A2V
			206267	106886	5.74	−2.04	1173	O6 (f)
13 Cep		13	208501	108165	5.74	−3.71	2527	B8Ibvar
25 Cep		25	211833	110103	5.75	−0.88	689	K3III
			211029	109620	5.76	−1.36	865	M3III
			16458	13055	5.80	−0.12	498	G8p...
			214710	111660	5.80	−0.61	623	M1III
			192781	99663	5.81	−0.49	594	K5III
			200614	103810	5.83	−0.92	729	B8III
28 Cep	ρ¹	28	213403	110787	5.83	1.85	204	A2m
			22701	19454	5.84	2.78	133	F5IV
			208682	108226	5.84	−2.00	1203	B2.5Ve
			221861	116380	5.86	−3.86	2860	K0Ib
			201636	104171	5.88	2.42	160	F3IV
			211554	109972	5.88	−0.86	728	G8III
			217157	112833	5.89	0.16	457	K5
			219485	114745	5.89	0.16	455	A0V
V414 Cep			197939	102358	5.91	−1.45	964	M3III
77 Dra		77	201908	104105	5.91	0.40	412	B8Vn
			18778	14844	5.92	1.96	202	A7III-IV
			203399	104968	5.92	−1.12	836	K5III
			207198	107374	5.94	−3.01	2012	O9II
			222386	116714	5.95	1.42	263	A3V
			223128	117265	5.95	−2.68	1734	B2IV
			209112	108505	5.96	−2.02	1283	M3III
			205072	105727	5.97	0.78	355	G6III:
			222387	116728	5.98	0.43	419	G8III
			200039	103219	5.99	0.37	434	G5III
			202987	105080	6.00	−2.28	1475	K3III
			431	760	6.01	0.67	381	A7IV
			213973	111314	6.01	1.60	249	A9III
			216595	112998	6.01	−1.99	1299	K2V:
			197373	102011	6.02	3.41	108	F6IV
			12005	9568	6.04	−1.55	1076	K0
			212495	110498	6.04	−0.66	712	A1V
			12467	10054	6.05	1.87	223	A1V
			8065	6522	6.07	−8.93	32600	A0Iab
			216102	112635	6.07	−0.39	639	K0
			206842	107197	6.10	−3.26	2433	K1III
			203574	105370	6.11	0.51	429	G5III
V426 Cep			204599	105949	6.11	−1.28	982	M3II-III...
			211300	109659	6.11	−1.05	881	A3V+...
			203501	104756	6.12	0.14	512	A3IV
			211242	109746	6.13	−1.23	967	B8Vn
			204754	106052	6.14	−1.13	929	B8III
			36905	28532	6.17	−1.89	1336	M0III
			197734	102216	6.17	−0.56	724	A2IV
			208606	108209	6.17	−6.05	9056	G8Ib...
			207780	107723	6.18	−0.96	872	M1II-III
			212454	110497	6.18	−0.90	851	B8III-IV
			216172	112670	6.19	2.21	204	F5
			6319	5928	6.20	1.20	326	K2III:
			218560	114227	6.21	−1.36	1065	K0
			199661	103346	6.23	−0.71	795	B2.5IV
			6473	5412	6.24	0.46	468	K0
			218537	114212	6.25	−1.62	1221	B3V
			214019	111325	6.26	0.82	400	A0V
			7238	5947	6.27	1.98	236	F5Vs
			210905	109585	6.29	1.16	345	K0III
			213242	110919	6.30	0.99	377	K0
V398 Cep			225136	302	6.31	−1.09	985	M4
δ Cep Delta Cephei Delta Cephei is a binary star system approximately 891 light-years away in the constellation of Cepheus . Delta Cephei is the prototype of the Cepheid variable stars, and it is among the closest stars of this type to the Sun...	δ	27	213307	110988	6.31	−1.01	950	A0	Outlying component of the δ Cep system
			209258	108420	6.32	−1.35	1113	K5
			215907	112508	6.33	−1.01	956	B9.5IV
V379 Cep			197770	102258	6.34	−5.08	6269	B2III	Algol variable
			210220	109190	6.34	0.16	560	G6III
			1141	1296	6.35	−0.04	617	B9Vn
			219841	114984	6.35	−0.07	628	A2Vs
			210873	109434	6.36	0.38	511	B9MNp...
			223778	117712	6.36	6.19	35	K3V
			208132	107893	6.37	1.86	260	Am+...
			3440	3132	6.38	3.83	105	F6V:
			202582	104788	6.38	3.30	135	G2IV+...
V444 Cep			210071	109124	6.38	0.14	576	A0III	eclipsing binary
			25904	20039	6.39	−0.92	945	K0
			208947	108364	6.41	−2.06	1614	B2V
V421 Cep			203025	105091	6.42	−3.03	2527	B2III	Be star
V422 Cep			203265	105193	6.43	−2.03	1606	M3
V438 Cep			209111	108133	6.43	−0.59	825	M3
RW Cep RW Cephei RW Cephei is an M-class red hypergiant star in the constellation Cepheus. One of the largest stars known, RW Cephei is estimated at 1650 solar radii. RW Cephei, while nearly as large as the orbit of Jupiter, is not as large as other stars in the constellation of Cephus, namely V354 Cephei and VV...			212466	110504	6.44	−3.18	2739	G8Iavar	pulsating variable
			12918	10623	6.45	0.86	428	K0
			198781	102771	6.45	−3.03	2567	B0.5V
			207636	107555	6.45	0.55	492	A0V
			215588	112324	6.45	3.68	117	F5
			12927	10309	6.46	0.96	410	A3
			212136	110314	6.46	0.15	597	G8III
			217348	113498	6.46	−1.29	1156	B9III
V431 Cep			205938	106604	6.47	0.08	617	Ap Si	α² CVn variable
			207826	107710	6.49	1.57	314	F3IV
			224890	128	6.50	2.41	214	Am...
			32196	25911	6.50	1.51	324	A5m
			198236	102370	6.50	0.89	431	G8III
V Cep V Cephei V Cephei is a white main sequence star in the constellation Cepheus. It only varies slightly by 0.03 of a magnitude....			224309	118027	6.57	1.75	301	A3V	variable
15 Cep		15	209744	108925	6.69	−1.43	1370	B1V	multiple star
υ Cep	υ		5679	4843	6.90	0.32	674	G8III	Castula optical double 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...
T Cep T Cephei T Cephei is a Mira variable hypergiant star in the constellation Cepheus. With its radius of 540 solar radii, it is one of the larger known stars.-References:*...			202012		7.33			M7IIIe	Mira variable Mira variable Mira variables , named after the star Mira, are a class of pulsating variable stars characterized by very red colors, pulsation periods longer than 100 days, and light amplitudes greater than one magnitude in infrared and 2.5 magnitude in visual...
Kruger 60 Kruger 60 Kruger 60 is a binary star system located 13.15 light-years from the Sun. These red dwarf stars orbit each other every 44.6 years.The larger, primary star is designated component A, while the secondary, smaller star is labeled component B. Component A has about 27% of the Sun's mass and 35% of the...			239960	110893	9.59	11.58	13.1	M5	27th nearest star system; binary star with DO Cephei
V354 Cephei V354 Cephei V354 Cephei is a red supergiant star located within the Milky Way. It is an irregular variable located approximately 9,000 light-years away from our Sun, and is currently considered one of the largest known stars, with a radius estimate of 1520 times that of the Sun, or 1,060,000,000 km...					11.74		9000	M2.5 Iab	One of the largest known stars

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