Astronomical data · SIMBAD
- Object type
- PM*
- Spectral type
- G2IV
- Distance
- 51 light-years
- Redshift
- z = -0.00011062041373444131
- Coordinates
- RA 344.3666° · Dec 20.7688°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Pegasus
- Right ascension
- 22 57 27.9805
- Declination
- +20 ° 46 ′ 07.797 ″
- Evolutionary stage
- main sequence
- Spectral type
- G2V+
- U b color index
- +0.20
- B v color index
- +0.67
via Wikipedia infobox
~5 min read
Encyclopedic overview
51 Pegasi, also named Helvetios (/hɛlˈviːʃiəs/), is a Sun-like star located 50.6 light-years (15.5 parsecs) from Earth in the constellation of Pegasus. It was the first main-sequence star found to have an exoplanet (designated 51 Pegasi b, officially named Dimidium) orbiting it.
Properties
Excerpted from Wikipedia’s “51 Pegasi” article, available under the CC BY-SA 4.0 licence.