HD 12661

HD 12661

Planetary orbits of the HD 12661 system
Observation data
Epoch J2000      Equinox J2000
Constellation Aries
Right ascension 02h 04m 34.2884s[1]
Declination +25° 24′ 51.5142″[1]
Apparent magnitude (V) 7.42[2]
Characteristics
Spectral type G6 V[3]
U−B color index +0.33[2]
B−V color index +0.71[2]
Astrometry
Proper motion (μ) RA: −108.181±0.089[1] mas/yr
Dec.: −173.335±0.089[1] mas/yr
Parallax (π)26.3927 ± 0.0437 mas[1]
Distance123.6 ± 0.2 ly
(37.89 ± 0.06 pc)
Absolute magnitude (MV)4.58[3]
Details
Mass1.07[3]–1.10[4] M
Radius1.096[3]–1.12[4] R
Luminosity1.22[4] L
Surface gravity (log g)4.43[3] cgs
Temperature5,754[3] K
Metallicity [Fe/H]0.29 ± 0.05[3] dex
Rotational velocity (v sin i)1.20[4] km/s
Age7.17[5] Gyr
Other designations
BD+24 298, HIP 9683, SAO 75125.[6]
Database references
SIMBADdata

HD 12661 is a G-type main sequence star in the northern constellation of Aries. The star is slightly larger and more massive than the Sun, with an estimated age of seven billion years. It has two known extrasolar planets.

  1. ^ a b c d e Cite error: The named reference Gaia DR2 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference gliclas1971 was invoked but never defined (see the help page).
  3. ^ a b c d e f g Cite error: The named reference apj551_2_1107 was invoked but never defined (see the help page).
  4. ^ a b c d Cite error: The named reference apj622_2_1102 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference ajl741_1_L23 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).