List of stars in Equuleus

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

Name	B	F	G.	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α Equ	α	8	20		202447	104987	21h 15m 49.40s	+05° 14′ 53.1″	3.92	0.14	186	G0III+...	Kitalpha, Kitel Phard, Kitalphar; spectroscopic binary
δ Equ	δ	7	19		202275	104858	21h 14m 28.79s	+10° 00′ 27.8″	4.47	3.14	60	F5V+...	spectroscopic binary
γ Equ	γ	5	15		201601	104521	21h 10m 20.47s	+10° 07′ 55.0″	4.70	1.97	115	F0p	double star; Rapidly oscillating Ap star, Vmax = 4.70m, Vmin = 4.71m, P = 0.00811 d
β Equ	β	10	29		203562	105570	21h 22m 53.58s	+06° 48′ 40.0″	5.16	−0.05	360	A3V	multiple star
ε Equ	ε	1	4		199766	103569	20h 59m 04.54s	+04° 17′ 37.8″	5.30	1.40	197	F5III...	spectroscopic binary
ζ Equ	ζ	3	8		200644	104031	21h 04m 34.64s	+05° 30′ 10.3″	5.63	−0.99	688	K5III	double star
9 Equ		9	24		203291	105413	21h 21m 04.80s	+07° 21′ 16.4″	5.81	−1.75	1058	M2III	suspected variable; Vmax = 5.86m, Vmin = 5.91m
4 Equ		4	9		200790	104101	21h 05m 26.79s	+05° 57′ 30.6″	5.94	3.10	120	F8V	double star
HD 202951					202951	105224	21h 18m 52.01s	+11° 12′ 12.0″	5.97	−1.96	1254	K5III	rotating variable, Vmax = 5.96m, Vmin = 6.01m
HD 199942			5		199942	103652	21h 00m 03.95s	+07° 30′ 58.2″	5.98	1.69	235	A7V	double star
6 Equ		6	15		201616	104538	21h 10m 31.31s	+10° 02′ 56.0″	6.07	0.24	479	A2Vs	optical double with γ Equ
HD 201298			12		201298	104357	21h 08m 28.15s	+06° 59′ 21.7″	6.14	−0.89	832	M0III
HD 203842			30		203842	105695	21h 24m 24.52s	+10° 10′ 27.1″	6.33	1.21	344	F5III
HD 200661			7		200661	104041	21h 04m 41.63s	+02° 56′ 32.1″	6.41	0.97	400	K0
HD 201507			13		201507	104481	21h 09m 58.26s	+02° 56′ 37.0″	6.44	1.63	299	F2V
HD 200964			10		200964	104202	21h 06m 39.79s	+03° 48′ 10.8″	6.64	2.35	223	K0IV	has two planets (b & c)
λ Equ	λ	2			200256	103813	21h 02m 12.51s	+07° 10′ 47.3″	6.72	1.68	332	F8	double star
HD 202908					202908	105200	21h 18m 34.87s	+11° 34′ 7.8″	7.01	3.63	155	G0V + G6V	triple star
Gliese 818					200779	104092	21h 05m 20s	+07° 04′ 09″	8.27	7.41	48	K6V	multiple star
HD 203473					203473	105521	21h 22m 18.9s	+05° 01′ 25″	8.23	4.20	237	G6V	has a planet (b)
S Equ				S	199454	103419	20h 57m 12.84s	+05° 04′ 49.4″	8.37	-0.57	2000	B9V + F9III-IV	Algol variable, Vmax = 8.35m, Vmin = 10.40m, P = 3.4360969 d
SY Equ				SY	203664	105614	21h 23m 28.81s	+09° 55′ 54.9″	8.53	-2.02	4200	B0.5IIIn	Beta Cephei variable, Vmax = 8.520m, Vmin = 8.585m, P = 0.1658677 d
R Equ				R	202051		21h 13m 11.77s	+12° 48′ 08.77″	8.70	4		M3e	Mira variable, Vmax = 8.4m, Vmin = 15.0m, P = 262.28 d
WASP-90							21h 02m 08.0s	+07° 03′ 24″	11.7		1109	F6	has a transiting planet (b)
HAT-P-65							21h 03m 37.0s	+11° 59′ 22″	13.15	3.53	2743		has a transiting planet (b)
U Equ				U			20h 57m 16.2s	+02° 58′ 45″	14.5	3.57	5000	M	slow irregular variable, Vmax = 13.4m, Vmin = 14.5m
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 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". Retrieved 2006-12-26.
• Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26.
• Roman, N. G. (1987). "Identification of a Constellation from a Position". Retrieved 2006-12-26.
• "SIMBAD Astronomical Database". Centre de Données astronomiques de Strasbourg. Retrieved 2007-01-02.
• Gould, B. A. "Uranometria Argentina". Reprinted and updated by Pilcher, F. Archived from the original on 2012-02-27. Retrieved 2010-07-19.
• "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.