HD 44120

Coordinates: Sky map 06h 16m 19s, −59° 12′ 49″
Source: Wikipedia, the free encyclopedia.
HD 44120
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Pictor
Right ascension 06h 16m 18.786s[1]
Declination −59° 12′ 48.61″[1]
Apparent magnitude (V) 6.44[2] + 14.03[3]
Characteristics
Spectral type F9.5V[4] + DB3.2[3]
B−V color index 0.593±0.015[2]
Distance
117.51 ± 0.07 ly
(36.03 ± 0.02 pc)
Absolute magnitude (MV)3.57[2]
Details
A
Gyr
C
Mass0.67±0.10[10] M☉
Radius0.0130±0.0003[10] R☉
Surface gravity (log g)8.04±0.06[10] cgs
Temperature15,746±238[10] K
L 182-61, WD 0615-591[3]
Database references
SIMBADA
C

HD 44120 is a wide

light years from the Sun based on parallax, but it is drifting closer with a radial velocity of −2 km/s.[5] It has an absolute magnitude of 3.57.[2]

The primary member, designated component A of this system, is an

luminosity of the Sun from its photosphere at an effective temperature of 6,005 K.[8]

The faint secondary companion, component C, is a magnitude 14.03

semimajor axis of 1,702.6 AU and an orbital period of 51,100 years.[3]

A magnitude 7.61

″ along a position angle of 234° from component A, as of 2015. It was discovered as a double star by the Scottish astronomer James Dunlop and announced in 1829.[15] The parallax for this star indicates a distance of approximately 215 ly (66 pc) from the Sun.[16]

References

  1. ^
    doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR
    .
  2. ^
    S2CID 119257644
  3. ^
    doi:10.1093/mnras/stt1433
  4. ^
    S2CID 119476992
  5. ^
    S2CID 52952408
  6. ^
    S2CID 90259810
    , A78
  7. ^
    doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .
  8. ^
    S2CID 62799777
    , A55
  9. ^
    S2CID 56051637
    , A69
  10. ^
    S2CID 119359723
  11. ^ "HD 44120". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-11-26.
  12. doi:10.1017/S1743921311028183
  13. doi:10.1086/300654
  14. S2CID 54874378
    , 144
  15. doi:10.1086/323920
  16. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR
    .


Retrieved from "https://en.wikipedia.org/w/index.php?title=HD_44120&oldid=1235314496"