HD 63754

HD 63754
Approximate location of HD 63754 (next to HD 63822)
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis[1]
Right ascension 07h 49m 45.26437s[2]
Declination −20° 12′ 27.4778″[2]
Apparent magnitude (V) +6.55[3]
Characteristics
A
Evolutionary stage Main sequence[1]
Spectral type G0V[4]
B
Evolutionary stage Brown dwarf[1]
Spectral type L/T[1]
Astrometry
Radial velocity (Rv)45.03±0.12[2] km/s
Proper motion (μ) RA: −33.726 mas/yr[2]
Dec.: −125.768 mas/yr[2]
Parallax (π)19.9317 ± 0.0201 mas[2]
Distance163.6 ± 0.2 ly
(50.17 ± 0.05 pc)
Absolute magnitude (MV)3.03±0.05[5]
Orbit[1]
Period (P)73.4+16
−9.4 yr
Semi-major axis (a)19.9+2.7
−1.6 AU
Eccentricity (e)0.260+0.065
−0.059
Inclination (i)174.81+0.48
−0.50°
Longitude of the node (Ω)40.2+8.1
−7.1°
Argument of periastron (ω)
(secondary)		311+28
−271°
Details
A
Mass1.41±0.15[1] M☉
Radius2.122±0.043[2] R☉
Luminosity5.061±0.011[2] L☉
Surface gravity (log g)4.04±0.06[6] cgs
Temperature6,088±32[6] K
Metallicity [Fe/H]+0.2±0.03[6] dex
Age>3.4[1] Gyr
B[1]
Mass81.9+6.4
−5.8 MJup
Radius0.86±0.02 – 0.95±0.05 RJup
Luminosity2.82+0.57
−0.47×10−5 L☉
Surface gravity (log g)5.3±0.02 – 5.43±0.02 cgs
Temperature1,344±71 – 1,413±177 K
Age4.7+2.9
−1.1 – 6.4+4.3
−3.1 Gyr
Other designations
BD−19 2085, HD 63754, HIP 38216, HR 3048, TYC 5989-2216-1, 2MASS J07494527-2012272
Database references
SIMBADdata

HD 63754, also known as HR 3048, is a G-type dwarf star, located in the constellation Puppis some 164 light-years away. It is orbited by a brown dwarf companion.

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  2. ^ a b c d e f g Cite error: The named reference DR3 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference paunzen was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference houk was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference geneva2009 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference soubiran was invoked but never defined (see the help page).