HD 24496

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HD 24496
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 03h 54m 28.0332s [1]
Declination +16° 36′ 57.793″ [1]
Apparent magnitude (V) 6.822
Characteristics
Spectral type G7V[2]
Apparent magnitude (B) 7.556
Apparent magnitude (R) 6.4
Apparent magnitude (I) 6.0
Apparent magnitude (J) 5.38
Apparent magnitude (H) 5.10
Apparent magnitude (K) 4.99
B−V color index 0.734
V−R color index 1.2
R−I color index 0.4
Variable type none
Astrometry
Radial velocity (Rv) +18.5 km/s
Proper motion (μ) RA: 217.60±0.78[1] mas/yr
Dec.: −165.28±0.52[1] mas/yr
Parallax (π) 48.95 ± 0.70[1] mas
Distance 66.6 ± 1.0 ly
(20.4 ± 0.3 pc)
Absolute magnitude (MV) 5.244
Details
Mass 0.95 M
Radius 0.90 R
Luminosity 0.70 L
Surface gravity (log g) 4.56 cgs
Temperature 5572 K
Metallicity +0.01
Rotation ~35 days
Rotational velocity (v sin i) 0.5±0.5 km/s
Age 4.0±2.7 Gyr
Other designations
BD+16°527, GC 4699, GJ 3255, HIP 18267, LTT 11292, NLTT 12133, PPM 119451, SAO 93662
Database references
SIMBAD data
Exoplanet Archive data
ARICNS data
Extrasolar Planets
Encyclopaedia
data

HD 24496 is a 7th magnitude G-type wide binary star and M-type located approximately 67 light years away in the constellation Taurus. This star is smaller, cooler, fainter, and less massive than our Sun. Also its metal content is just 2% greater than the Sun. In 2009, a gas giant planet was discovered of HD 24496 A.

The HD 24496 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
Ab ≥ 0.32 MJ 2.59 1570 0.30

See also[edit]

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "HIP 18267". Hipparcos, the New Reduction. Retrieved 2010-02-06. 
  2. ^ Koen, C.; Kilkenny, D.; Van Wyk, F.; Marang, F. (2010). "UBV(RI)C JHK observations of Hipparcos-selected nearby stars". Monthly Notices of the Royal Astronomical Society. 403 (4): 1949. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x. 

Coordinates: Sky map 03h 54m 28.0332s, +16° 36′ 57.793″