Pi2 Cygni
Sign in to saveAlso known as 81 Cygni, 81 Cyg, π2 Cyg, π² Cyg, π2 Cygni, HD 207330, HIP 107533, HIC 107533
star in the constellation Cygnus
Astronomical data · SIMBAD
- Object type
- SB*
- Spectral type
- B2.5III
- Distance
- 1,430 light-years
- Redshift
- z = -0.00004102754207979675
- Coordinates
- RA 326.6984° · Dec 49.3096°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- double star
- Constellation
- Cygnus
- Distance from Earth
- 1156
- Radius
- 7.1
- Variable-star type
- Beta Cephei variable
Show 16 more facts
- spectral class
- B3
- catalog code
- UBV M 25945
- apparent magnitude
- 4.565
- right ascension
- 326.69836799083
- declination
- 49.30956974889
- effective temperature
- 18351
- radial velocity
- -17.7
- parallax
- 2.95
- epoch
- J2000.0
- metallicity
- -0.10
- stellar rotational velocity
- 34
- surface gravity
- 4900
- luminosity
- 8442
- absolute magnitude
- -3.39
- right ascension component of proper motion
- -21
- declination component of proper motion
- 16
Sources (2)
via Wikidata · CC0
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via Wikidata sitelinks · CC0