RR Andromedae

RR Andromedae
Observation data; Epoch J2000.0 Equinox J2000.0 (ICRS)
Constellation	Andromeda
Right ascension	00h 51m 23.29s[1]
Declination	34° 22′ 36.3″[1]
Apparent magnitude (V)	8.4 to 15.6[2]
Spectral type	S6.5,2e[2]
Other designations
	HD 4895, BD+33 116a [1]
Database references
SIMBAD	data

RR Andromedae is a variable star in the constellation of Andromeda. It is classified as a Mira variable, and varies from an apparent visual magnitude of 15.6 at minimum brightness to a magnitude of 8.4 at maximum brightness, with a period of approximately 330.6 days.^[2]

References

1 2 3 V* RR And -- Variable Star of Mira Cet type, database entry, SIMBAD. Accessed on line 2009-06-22.
1 2 3 RR And, database entry, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250 Accessed on line 2009-06-22.

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[sb-1] 1 2 3 V* RR And -- Variable Star of Mira Cet type, database entry, SIMBAD. Accessed on line 2009-06-22.

[gcvs-2] 1 2 3 RR And, database entry, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250 Accessed on line 2009-06-22.