S Boötis is a Mira variable in the constellation Boötes. It ranges between magnitudes 7.8 and 13.8 over a period of approximately 270 days.[3]

S Boötis

The visual band light curve of S Boötes, from AAVSO data[1]
Observation data Epoch J2000      Equinox J2000
Constellation	Boötes
Right ascension	14h 22m 52.92477s[2]
Declination	+53° 48′ 37.3240″[2]
Apparent magnitude (V)	9.30[2]
Characteristics
Spectral type	M5-6e[2]
B−V color index	1.35[2]
Variable type	Mira variable[3]
Astrometry
Radial velocity (Rv)	-17.00[2] km/s
Proper motion (μ)	RA: 6.08[2] mas/yr Dec.: -11.15[2] mas/yr
Parallax (π)	1.47 ± 1.29 mas[2]
Distance	approx. 2,000 ly (approx. 700 pc)
Other designations
HIP 70291, SAO 29125, BD+54° 1571, HD 126289.
Database references
SIMBAD	data

References

This variable star–related article is a stub. You can help Wikipedia by expanding it.

• v
• t
• e

На других языках

[ru] S Волопаса