4 Ursae Majoris
Sign in to saveAlso known as Pi² Ursae Majoris, HD 73108
star in the constellation Ursa Major
Astronomical data · SIMBAD
- Object type
- PM*
- Spectral type
- K1+III
- Distance
- 247 light-years
- Redshift
- z = 0.00004880895669479024
- Coordinates
- RA 130.0534° · Dec 64.3279°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Constellation
- Ursa Major
- Child body
- 4 Ursae Majoris b
- Distance from Earth
- 73.4603
- Diameter
- 13600000
- Radius
- 18.24
- Mass
- 1.234
- Orbital period
- 269.3
Show 22 more facts
- spectral class
- K0
- catalog code
- UBV M 14493
- metallicity
- -0.3
- surface gravity
- 184.3
- stellar rotational velocity
- 2.08
- apparent magnitude
- 4.222566
- effective temperature
- 4415
- parallax
- 13.2035
- epoch
- J2000.0
- radial velocity
- 14.6322
- absolute magnitude
- 0.146
- luminosity
- 115.44082
- right ascension component of proper motion
- -59.861
- declination component of proper motion
- 26.544
- right ascension
- 130.05340486262
- declination
- 64.32793617867
- age estimated by a dating method
- 4.604
- argument of periapsis
- 23.81
- time of periapsis
- 2452987.3936
- M sin i
- 7.1
- orbital eccentricity
- 0.432
- semi-major axis of an orbit
- 0.87
Sources (2)
via Wikidata · CC0