List of stars in Equuleus

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

Name	B	F	Var	HD	HIP	RA	Dec	vis. mag.	abs. mag.	Dist. (ly)	Sp. class	Notes
α Equ	α	8		202447	104987	21^h 15^m 49.40^s	+05° 14′ 53.1″	3.92	0.14	186	G0III+...	Kitalpha, Kitel Phard, Kitalphar; spectroscopic binary
δ Equ	δ	7		202275	104858	21^h 14^m 28.79^s	+10° 00′ 27.8″	4.47	3.14	60	F5V+...	spectroscopic binary
γ Equ	γ	5		201601	104521	21^h 10^m 20.47^s	+10° 07′ 55.0″	4.70	1.97	115	F0p	double star; Rapidly oscillating Ap star, Vmax = 4.70^m, Vmin = 4.71^m, P = 0.00811 d
β Equ	β	10		203562	105570	21^h 22^m 53.58^s	+06° 48′ 40.0″	5.16	−0.05	360	A3V	multiple star
ε Equ	ε	1		199766	103569	20^h 59^m 04.54^s	+04° 17′ 37.8″	5.30	1.40	197	F5III...	spectroscopic binary
ζ Equ	ζ	3		200644	104031	21^h 04^m 34.64^s	+05° 30′ 10.3″	5.63	−0.99	688	K5III	double star
9 Equ		9		203291	105413	21^h 21^m 04.80^s	+07° 21′ 16.4″	5.81	−1.75	1058	M2III	suspected variable; Vmax = 5.86^m, Vmin = 5.91^m
4 Equ		4		200790	104101	21^h 05^m 26.79^s	+05° 57′ 30.6″	5.94	3.10	120	F8V	double star
HD 202951				202951	105224	21^h 18^m 52.01^s	+11° 12′ 12.0″	5.97	−1.96	1254	K5III	rotating variable, Vmax = 5.96^m, Vmin = 6.01^m
HD 199942				199942	103652	21^h 00^m 03.95^s	+07° 30′ 58.2″	5.98	1.69	235	A7V	double star
6 Equ		6		201616	104538	21^h 10^m 31.31^s	+10° 02′ 56.0″	6.07	0.24	479	A2Vs	optical double with γ Equ
HD 201298				201298	104357	21^h 08^m 28.15^s	+06° 59′ 21.7″	6.14	−0.89	832	K5III
HD 203842				203842	105695	21^h 24^m 24.52^s	+10° 10′ 27.1″	6.33	1.21	344	F5III
HD 200661				200661	104041	21^h 04^m 41.63^s	+02° 56′ 32.1″	6.41	0.97	400	K0
HD 201507				201507	104481	21^h 09^m 58.26^s	+02° 56′ 37.0″	6.44	1.63	299	F5IV
HD 200964				200964	104202	21^h 06^m 39.79^s	+03° 48′ 10.8″	6.64	2.35	223	K0IV	has two planets (b & c)
λ Equ	λ	2		200256	103813	21^h 02^m 12.51^s	+07° 10′ 47.3″	6.72	1.68	332	F8	double star
HD 202908				202908	105200	21^h 18^m 34.87^s	+11° 34′ 7.8″	7.01		155	G0V + G6V	triple star
Gliese 818				200779	104092	21^h 05^m 20^s	+07° 04′ 09″	8.27	7.41	48	K6V	multiple star
S Equ			S	199454	103419	20^h 57^m 12.84^s	+05° 04′ 49.4″	8.37		2000	B9V + F9III-IV	Algol variable, Vmax = 8.35^m, Vmin = 10.40^m, P = 3.4360969 d
SY Equ			SY	203664	105614	21^h 23^m 28.81^s	+09° 55′ 54.9″	8.53		4200	B0.5IIIn	Beta Cephei variable, Vmax = 8.520^m, Vmin = 8.585^m, P = 0.1658677 d
R Equ			R	202051		21^h 13^m 11.77^s	+12° 48′ 08.77″	8.70	4		M3e	Mira variable, Vmax = 8.4^m, Vmin = 15.0^m, P = 262.28 d
WASP-90						21^h 02^m 08.0^s	+07° 03′ 24″	11.7		1109	F6	has a transiting planet (b)
U Equ			U			20^h 57^m 16.2^s	+02° 58′ 45″	14.5		5000	M	slow irregular variable, Vmax = 13.4^m, Vmin = 14.5^m
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. Retrieved 2010-07-19.
• "AAVSO Website". American Association of Variable Star Observers. Retrieved 9 March 2014.