R Serpentis

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R Serpentis
Observation data Epoch J2000 Equinox J2000
Constellation	Serpens
Right ascension	15^h 50^m 41.7341^s
Declination	+15° 08′ 01.108″
Apparent magnitude (V)	7.1
Characteristics
Spectral type	M7IIIe
U−B color index	0.39
B−V color index	1.39
Variable type	Mira Cet type
Astrometry

Radial velocity (R_v)	23.7 km/s
Proper motion (μ)	RA: -2.02 mas/yr Dec.: -35.42 mas/yr
Parallax (π)	3.58 ± 1.51 mas
Distance	approx. 900 ly (approx. 300 pc)
Absolute magnitude (M_V)	8.49

Other designations
R Ser, HD 141850, BD+15° 2918, HIP 77615, HR 5894, SAO 101771.
Database references
SIMBAD	data

R Serpentis or R Ser is a Mira variable type star.

v t e Stars of Serpens

Bayer	α (Unukalhai) β (Chow) γ δ (Tsin) ε ζ η (Tang) θ (Alya) ι κ λ μ ν ξ ο π ρ σ τ¹ τ² τ³ τ⁴ τ⁵ τ⁶ τ⁷ τ⁸ υ φ χ ψ ω

Flamsteed	3 4 5 6 7 8 10 11 14 16 25 29 36 39 40 43 45 46 47 59 60 61 64

Variable	R W X RT UZ VV VY WX AA AN AO AP AR AU BQ CT CV CW EG FH FI FK FL FQ FR LV LW LX MR MS MT MV MY NN NO NQ NW OO OU PS QV QX QY V382 V411

HR	5665 5690 5692 5706 5711 5740 5745 5783 5796 5831 5850 5859 5861 5874 5909 5913 5931 5963 5992 6005 6011 6014 6016 6449 6496 6544 6562 6568 6600 6620 6666 6681 6755 6756 6757 6785 6830 6840 6843 6858 6890 6898 6928 6993 6999 7008 7048 7076 7144

HD	135061 135615 136027 136118 138085 142245 143436 145936 146740 157969 168112 168443 168746 175541

Gliese	Gliese 701 Gliese 710 GJ 1224

Other	ADS 9544 AS 296 COROT-9 COROT-11 COROT-23 GX 17+2 MWC 297 PG 1510+234 PG 1605+072 PSR B1534+11 PSR J1719-1438 Serpens SVS 20 Serpens X-1

List

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