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 | |||
| 3 Equ | ζ[1] | 3 | 8 | 200644 | 104031 | 21h 04m 34.64s | +05° 30′ 10.3″ | 5.63 | −0.99 | 688 | K5III | double star | |||
| 9 Equ | η[1] | 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 | θ[1] | 10 | 200964 | 104202 | 21h 06m 39.79s | +03° 48′ 10.8″ | 6.64 | 2.35 | 223 | K0IV | has two planets (b & c) | ||||
| 2 Equ | λ[1] | 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 | is orbited by a small star of brown dwarf, (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:
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See also
References
- ^ a b c d Designated by Johann Elert Bode, now generally unused
- 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.
