ペルセウス座アルファ星
Sign in to saveAlso known as Mirfak, 33 Persei, * alf Per
star in the constellation Perseus
Astronomical data · SIMBAD
- Object type
- V*
- Spectral type
- F5Ib
- Distance
- 506 light-years
- Redshift
- z = -0.0000071982872668074904
- Coordinates
- RA 51.0807° · Dec 49.8612°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Perseus
- Right ascension
- 03 24 19.37009
- Declination
- +49 ° 51 ′ 40.2455 ″
- Spectral type
- F5 Ib
- U b color index
- +0.38
- B v color index
- +0.483
via Wikipedia infobox
Wikidata facts
- Part of
- Alpha Persei Cluster
- Constellation
- Perseus
- Distance from Earth
- 156
- Radius
- 55.0
- Mass
- 7.3
- Variable-star type
- Cepheid variable
- Image
- Alpha Persei Cluster.png
Show 17 more facts
- spectral class
- F3I
- catalog code
- UBV M 40922
- stellar rotational velocity
- 18
- apparent magnitude
- 0.54
- right ascension
- 51.08070871833
- declination
- 49.86117929306
- effective temperature
- 6350
- parallax
- 6.44
- radial velocity
- -2.158
- epoch
- J2000.0
- surface gravity
- 20.4
- metallicity
- 7.3
- luminosity
- 5000
- absolute magnitude
- -5.1
- right ascension component of proper motion
- 25
- declination component of proper motion
- -24
- age estimated by a dating method
- 0.041
via Wikidata · CC0
Article · 日本語
ペルセウス座α星（ペルセウスざアルファせい）は、ペルセウス座で最も明るい恒星で2等星。
Abstract from DBpedia / Wikipedia · CC BY-SA