Astronomical data · SIMBAD
- Object type
- BY*
- Spectral type
- K3V
- Distance
- 53 light-years
- Redshift
- z = -0.00003158468537822756
- Coordinates
- RA 219.0023° · Dec 9.7465°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- double star
- Part of
- Ursa Major Moving Group
- Constellation
- Boötes
- Child body
- HD 128311 c
- Distance from Earth
- 16.3188
- Diameter
- 1030000
- Radius
- 0.7815618
- Mass
- 0.84
- Variable-star type
- BY Draconis variable
Show 18 more facts
- spectral class
- K3-V
- catalog code
- UBV M 20261
- radial velocity
- -9.577
- metallicity
- 0.16
- absolute magnitude
- 6.369
- effective temperature
- 4967
- apparent magnitude
- 7.180698
- declination component of proper motion
- -250.457
- parallax
- 61.2792
- epoch
- J2000.0
- stellar rotational velocity
- 5.6
- surface gravity
- 47000
- luminosity
- 0.30789644
- right ascension component of proper motion
- 198
- age estimated by a dating method
- 0.39
- right ascension
- 219.00233448564913
- declination
- 9.74651515924056
- Commons category
- HD 128311
Sources (1)
via Wikidata · CC0