List of stars in Octans - 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....

Octans
Octans
Octans is a faint constellation the southern sky. Its name is Latin for the eighth part of a circle, but it is named after the octant, a navigational instrument. The constellation was devised by Nicolas Louis de Lacaille in the eighteenth century....

, 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	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
ν Oct	ν	60	205478	107089	3.73	2.10	69	K0III	has a possible 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...
β Oct	β	75	214846	112405	4.13	0.96	140	A9IV/V
δ Oct Delta Octantis Delta Octantis has the distinction of being Saturn's southern pole star....	δ	19	124882	70638	4.31	−0.35	279	K2III
θ Oct	θ	88	224889	122	4.78	0.63	221	K2III
ε Oct	ε	70	210967	110256	5.09	0.51	268	M6III	BO Oct
γ¹ Oct	γ¹	86	223647	117689	5.10	0.53	267	G7III
α Oct Alpha Octantis Alpha Octantis is a star in the constellation of Octans. It has an overall apparent visual magnitude of approximately 5.15 and is a spectroscopic binary star which consists of two giant stars, each with spectral type F, orbiting each other with a period of just over 9 days...	α	52	199532	104043	5.13	1.85	148	F4III	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...
λ Oct	λ	62	206240	107843	5.27	−0.36	435	G8/K0III+..
γ³ Oct	γ³	1	636	814	5.29	0.93	242	K1/K2III
χ Oct	χ	30	164461	92824	5.29	0.87	250	K3III
ξ Oct	ξ	77	215573	112781	5.32	−0.35	444	B6IV
ζ Oct	ζ	9	79837	43908	5.43	2.01	157	F0III
ι Oct	ι	16	111482	63031	5.45	0.17	371	K0III
σ Oct Sigma Octantis Sigma Octantis is a magnitude 5.6 star in the constellation Octans most notable for being the current South Star. Sigma Octantis is approximately 270 light years from Earth, and is classified as a giant, with a spectral type of F0 III...	σ	34	177482	104382	5.45	0.86	270	F0III	Polaris Australis; 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...
φ Oct	φ	33	167468	90133	5.47	1.57	197	A0V
ψ Oct	ψ	69	210853	110078	5.49	2.56	125	F3III
τ Oct	τ	81	219765	115836	5.50	−0.52	522	K2III
κ Oct	κ	18	117374	66753	5.56	1.08	256	A2m...
ρ Oct	ρ	24	137333	76996	5.57	1.45	217	A2V
π¹ Oct	π¹	21	130650	73540	5.65	0.27	389	G8/K0III
π² Oct	π²	22	131246	73771	5.65	−2.98	1734	G8Ib
		4	11025	7568	5.66	0.42	365	K0III
γ² Oct	γ²	87	224362	118114	5.72	0.80	314	K0III
		85	222806	117125	5.74	−0.47	569	K1III
		47	193721	101427	5.76	−0.28	527	G6/G8II
υ Oct	υ	71	211539	111196	5.76	0.73	330	K0III
		2	1032	1074	5.78	−1.21	815	M0/M1III
		83	221420	116250	5.82	3.31	104	G2V
		3	10800	7601	5.88	3.71	88	G2V
ω Oct	ω	23	131596	74296	5.88	0.93	318	B9.5V
		49	194612	101843	5.89	−0.56	635	K5III
		66	208741	108849	5.94	1.99	201	F3III
		32	167714	90606	5.95	0.81	348	K2III
μ¹ Oct	μ¹	50	196051	102162	5.99	0.92	337	F4III-IV
		84	222060	116653	5.99	−0.42	625	K0II/III
		12	104555	58697	6.05	0.99	335	K3III
CW Oct		26	148542	83255	6.05	−0.27	598	A2V	α² CVn variable
		79	218108	114258	6.11	1.75	243	A7Vn
		72	212168	110712	6.12	4.31	75	G3IV
		68	210056	109584	6.13	1.30	302	K0III
		45	191220	100697	6.15	1.71	252	A2/A3m...
		73	213402	111504	6.15	−1.47	1090	K1III
		59	204904	106881	6.17	2.28	196	F4IV
η Oct	η	11	96124	53702	6.19	1.00	356	A1V
		35	169904	91723	6.27	0.12	553	B8V
		14	107739	60638	6.32	−0.53	765	K0III
		82	219572	115129	6.34	0.46	489	K0III
		36	172226	93117	6.35	0.18	558	B9/B9.5V
		57	203532	106474	6.35	−0.63	813	B3IV
		38	171990	92233	6.39	3.22	141	G2V
		44	186154	98086	6.39	−0.25	694	K3/K4III
		64	208500	108759	6.39	1.49	311	A5IV/V
		5	25887	17328	6.40	0.56	481	B9V
		56	202418	106320	6.42	−0.13	667	K3III
		80	218559	114550	6.43	0.17	582	K4III
		29	159517	88274	6.45	2.32	219	F4V
		7	58805	32500	6.46	3.50	128	F3V
		58	203955	106424	6.47	1.25	360	A0V
BP Oct		20	129723	75736	6.49	2.45	210	Am	δ Sct variable
		31	165338	90509	6.49	0.18	596	B8/B9V
μ² Oct	μ²	51	196067	102125	6.51	3.31	142	G1V
B Oct	B	54	206553	112355	6.57	1.50	326	F0IV-V	CG Octantis
ο Oct	ο		1348	1007	7.21	−1.49	1790	B9.5IV
HD 142022 HD 142022 HD 142022 is a binary star system located in the southernmost constellation of Octans located at a distance of 117 ly. The primary star has a spectral type of G9V and has apparent magnitude of 7.69. Its mass is 1% less than the Sun but the radius is only 70.5%. The star is old, only 400 million...			142022	79242	7.70	5.01	112	K0V	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 (b HD 142022 Ab HD 142022 Ab is an exoplanet discovered by the radial velocity method by Eggenberger et al. in 2005 after finding that HD 142022 A is wobbling which indicated the presence of a massive planet, designating as HD 142022 Ab, with mass of 4.5 times Jupiter... )
HD 212301 HD 212301 HD 212301 is a yellow-white main sequence star located approximately 172 light years away in the south circumpolar constellation Octans. The magnitudes are m=7.77 and M=4.16. It has spectral type of F8V. The temperature of the photosphere is 5998 kelvins and have mass 5% more than our Sun...			212301	110852	7.77	4.07	179	F8V	has a planet (b HD 212301 b HD 212301 b is an extrasolar planet located approximately 172 light-years away in the constellation of Octans, orbiting the star HD 212301. It has an orbital period of 2.25 Earth days... )

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