Astronomy:List of stars in Circinus

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This is the list of notable stars in the constellation Circinus, sorted by decreasing brightness.

Name	B	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α Cir	α		128898	71908	14h 42m 30.69s	−64° 58′ 28.5″	3.18	2.11	53	F1Vp	rapidly oscillating Ap star, Vmax = 3.17m, Vmin = 3.19m, P = 0.004740 d
β Cir	β		135379	74824	15h 17m 30.96s	−58° 48′ 03.2″	4.07	1.71	97	A3Va	has a planet (b)
γ Cir	γ		136415	75323	15h 23m 22.66s	−59° 19′ 14.5″	4.48	−1.49	509	B5III + F8	γ Cas variable, Vmax = 4.43m, Vmin = 4.52m; double star
ε Cir	ε		135291	74837	15h 17m 38.89s	−63° 36′ 37.8″	4.85	−0.44	373	K2.5III
δ Cir	δ		135240	74778	15h 16m 56.90s	−60° 57′ 26.1″	5.04	−6.42	6392	O8.5V	Algol variable, Vmax = 5.04m, Vmin = 5.20m, P = 3.902476 d
θ Cir	θ		131492	73129	14h 56m 44.00s	−62° 46′ 51.6″	5.08	−1.96	834	B4Vnp	emission-line star; γ Cas variable, Vmax = 4.81m, Vmin = 5.65m
η Cir	η		132905	73776	15h 04m 48.05s	−64° 01′ 52.9″	5.16	0.59	267	G8III
HD 131342			131342	73036	14h 55m 34.71s	−60° 06′ 50.0″	5.18	1.56	173	K1III
HD 129422			129422	72131	14h 45m 17.25s	−62° 52′ 31.6″	5.36	2.05	150	A7Vn	double star
HD 135591			135591	74941	15h 18m 49.15s	−60° 29′ 46.8″	5.43	(−13.06?)	3500	O7Iab:	triple star
HD 125835			125835	70492	14h 25m 06.34s	−68° 11′ 43.2″	5.56	−4.60	3505	A3Ib	α Cyg variable, Vmax = 5.57m, Vmin = 5.61m
HD 136359			136359	75308	15h 23m 10.60s	−60° 39′ 25.6″	5.65	2.55	136	F7V
HD 124471			124471	69763	14h 16m 38.73s	−66° 35′ 16.4″	5.72	−3.52	2296	B1.5III	double star
HD 120404			120404	67664	13h 51m 47.42s	−69° 24′ 04.5″	5.73	−1.26	815	K5/M0III	variable star, ΔV = 0.011m, P = 172.11704 d
HD 120913			120913	67942	13h 54m 49.14s	−67° 39′ 07.4″	5.74	−2.21	1268	K2III
HD 135160			135160	74750	15h 16m 36.69s	−60° 54′ 14.4″	5.74	−3.11	1918	B0.5V	emission-line star; double star; suspected variable
HD 126862			126862	71002	14h 31m 16.39s	−67° 43′ 01.4″	5.84	1.21	274	K1III	double star
HD 126241			126241	70657	14h 27m 07.11s	−65° 49′ 17.8″	5.87	−1.38	921	K3III
CO Cir		CO	129954	72438	14h 48m 44.56s	−66° 35′ 36.7″	5.91	−1.82	1144	B2.5V	Be star; variable
AX Cir		AX	130701	72773	14h 52m 35.27s	−63° 48′ 35.3″	5.91	−1.55	1012	F8II + A/F	Cepheid variable, Vmax = 5.65m, Vmin = 6.09m, P = 5.273268 d
HD 121932			121932	68455	14h 00m 52.61s	−66° 16′ 07.9″	5.96	1.53	251	F0V	double star
HD 128020			128020	71530	14h 37m 46.80s	−67° 55′ 52.8″	6.03	3.78	92	F7V
HD 123377			123377	69241	14h 10m 30.91s	−70° 18′ 19.6″	6.07			K4II	triple star; slow irregular variable, Vmax = 6.03m, Vmin = 6.07m
HD 123492			123492	69298	14h 11m 01.93s	−69° 43′ 09.4″	6.07	1.74	240	A6IV
ζ Cir	ζ		131058	72965	14h 54m 42.59s	−65° 59′ 27.8″	6.09	−1.79	1226	B3Vn	variable star, ΔV = 0.005m, P = 3.72065 d
HD 129462			129462	72097	14h 44m 55.57s	−58° 28′ 38.6″	6.10	0.85	366	K0III
BU Cir		BU	129557	72121	14h 45m 10.97s	−55° 36′ 05.8″	6.10	−2.52	1725	B2III	β Cep variable, ΔV = 0.02m, P = 0.127552 d; double star
HD 121557			121557	68270	13h 58m 31.28s	−65° 48′ 02.1″	6.20	0.15	528	K0III	double star
HD 128917			128917	71861	14h 41m 55.93s	−58° 36′ 56.6″	6.21	2.98	144	F4V
HD 130227			130227	72471	14h 49m 07.17s	−56° 40′ 03.1″	6.21	1.31	312	K3III	suspected variable
HD 133792			133792	74181	15h 09m 25.54s	−63° 38′ 34.4″	6.25	0.09	555	A0p
HD 134468			134468	74470	15h 13m 01.03s	−61° 44′ 37.6″	6.27	−5.56	7581	K4Ib	suspected variable
HD 134060			134060	74273	15h 10m 44.97s	−61° 25′ 20.3″	6.29	4.38	79	G3IV	has two planets (b & c)
HD 125990			125990	70528	14h 25m 39.80s	−66° 10′ 22.4″	6.36	0.82	418	A1V
HD 134657			134657	74552	15h 13m 59.19s	−61° 20′ 34.5″	6.36	−0.67	830	B5V	double star
HD 130942			130942	72983	14h 54m 54.05s	−69° 51′ 39.3″	6.38	−0.89	926	B5V
HD 129092			129092	72000	14h 43m 28.15s	−62° 58′ 00.0″	6.39	−1.47	1216	B3V:	triple star; suspected variable. Vmax = 6.33m, Vmin = 6.39m
HD 131491			131491	73118	14h 56m 38.35s	−62° 21′ 51.9″	6.39	−1.07	1012	B5V	double star
HD 133557			133557	74044	15h 07m 56.15s	−61° 07′ 43.2″	6.49	1.01	406	F2III
HD 130021			130021	72518	14h 49m 37.06s	−68° 56′ 10.2″	6.50	−0.58	851	B3III	variable star, ΔV = 0.008m, P = 1.94001 d
BP Cir		BP	129708	72264	14h 46m 41.98s	−61° 27′ 43.0″	7.52			F2/F3II+B6.0	Cepheid variable, Vmax = 7.37m, Vmin = 7.71m, P = 2.39810 d
HD 129445			129445	72203	14h 46m 03.06s	−68° 45′ 45.9″	8.81	4.66	221	G8V	has a planet (b)
WR 70			137603	79863	15h 29m 44.69s	−58° 34′ 51.3″	9.71		1840	WC9+B0I	Wolf–Rayet star
WR 66		CC	134877	74634	15h 14m 57.72s	−59° 50′ 30.3″	11.34			WN8(h)	Wolf–Rayet star, ΔV = 0.1m
WR 65					15h 13m 41.71s	−59° 11′ 44.98″	13.65			WC9d+OB	Wolf–Rayet star
WR 67					15h 15m 32.627s	−59° 02′ 30.7″	11.84			WN6w	Wolf–Rayet star
WR 67a					15h 16m 36.961s	−58° 09′ 58.79″	16.25			WN6h	Wolf–Rayet star
WR 67b					15h 17m 46.301s	−57° 56′ 59.29″	17.27			WC8	Wolf–Rayet star
WR 67-3					15h 15m 39.42s	−58° 08′ 16.1″	15.33			WN10	Wolf–Rayet star
WR 68					15h 18m 20.758s	−59° 38′ 17.32″	13.28			WC7	Wolf–Rayet star
WR 68a					15h 23m 16.617s	−57° 44′ 19.79″	13.2			WN6+O5.5/6	Wolf–Rayet star
WR 68-1					15h 20m 35.923s	−57° 27′ 11.95″	invisible			WN4b	Wolf–Rayet star, completely invisible in the visible spectrum due to dust extinction
BX Cir		BX			14h 01m 36.47s	−66° 09′ 56.3″	12.62			B+...	prototype BX Circini variable, Vmax = 12.57m, Vmin = 12.62m, P = 0.10658 d
BW Cir		BW			13h 58m 09.92s	−64° 44′ 04.9″	16.9				low-mass X-ray binary
Circinus X-1		BR			15h 20m 40.85s	−57° 10′ 00.1″	21.4				low-mass X-ray binary
PSR B1451-68					14h 56m 00.03s	−68° 43′ 40.0″					pulsar
PSR B1509-58					15h 13m 55.52s	−59° 08′ 08.8″					pulsar
Table legend:  • Name = Proper name.  • B = Bayer designation.  • F or/and G. = Flamsteed designation or Gould designation  • Var = Variable star designation  • HD = Henry Draper Catalogue designation number  • HIP = Hipparcos Catalogue designation number  • RA = Right ascension for the Epoch/Equinox (celestial coordinates)|Equinox J2000.0]]  • Dec = Declination for the Epoch/Equinox J2000.0  • vis. mag. = visual magnitude (m or mv), also known as apparent magnitude  • abs. mag. = absolute magnitude (Mv)  • Dist. (ly) = Distance in light-years from Earth  • Sp. class = Spectral class of the star in the stellar classification system  • Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.]

See also

• List of stars by constellation

References

• ESA (1997). "The Hipparcos and Tycho Catalogues". http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/239. Retrieved 2006-12-26. 
• Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". http://cdsarc.u-strasbg.fr/viz-bin/Cat?IV/27. Retrieved 2006-12-26. 
• Roman, N. G. (1987). "Identification of a Constellation from a Position". http://cdsarc.u-strasbg.fr/viz-bin/Cat?VI/42. Retrieved 2006-12-26. 
• "SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/. Retrieved 2007-01-02. 
• Gould, B. A.. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. https://web.archive.org/web/20120227032716/http://www.uranometriaargentina.com/. Retrieved 2010-07-19. 
• Samus, N. N.; Durlevich, O. V. (2012). "General Catalog of Variable Stars (GCVS database, version 2012Apr)". http://cdsarc.u-strasbg.fr/viz-bin/Cat?B/gcvs. Retrieved 2012-07-18. 
• "AAVSO Website". American Association of Variable Star Observers. http://www.aavso.org. Retrieved 9 March 2014.