R Boötis

R Boötis
Observation data; Epoch J2000 Equinox J2000
Constellation	Boötes
Right ascension	14h 37m 11.5766s
Declination	26° 44′ 11.681″
Apparent magnitude (V)	6.20
Characteristics
Spectral type	M4-8e
B−V color index	3.57
Variable type	Mira variable
Astrometry
Radial velocity (Rv)	-58.00 km/s
Proper motion (μ)	RA: -25.59 mas/yr; Dec.: 14.36 mas/yr
Parallax (π)	-1.34 ± 1.49 mas
Other designations
	HIP 71490, SAO 83440, BD+27° 2400, HD 128609.
Database references
SIMBAD	data
	Data sources:
	Hipparcos Catalogue,; CCDM (2002),; Bright Star Catalogue (5th rev. ed.)

R Boötis is a Mira variable in the constellation Boötes. It ranges between magnitudes 6.2 and 13.1 over a period of approximately 223 days.^[2]

References

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 ^1.6 ^1.7 ^1.8 Lua error in package.lua at line 80: module 'strict' not found.
↑ ^2.0 ^2.1 Lua error in package.lua at line 80: module 'strict' not found.

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

Observation data Epoch J2000 Equinox J2000
Constellation	Boötes
Right ascension	14^h 37^m 11.5766^s^[1]
Declination	26° 44′ 11.681″^[1]
Apparent magnitude (V)	6.20^[1]
Characteristics
Spectral type	M4-8e^[1]
B−V color index	3.57^[1]
Variable type	Mira variable^[2]
Astrometry

Radial velocity (R_v)	-58.00^[1] km/s
Proper motion (μ)	RA: -25.59^[1] mas/yr Dec.: 14.36^[1] mas/yr
Parallax (π)	-1.34 ± 1.49^[1] mas

Other designations
HIP 71490, SAO 83440, BD+27° 2400, HD 128609.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)