HR 3384

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HR 3384
Observation data
Epoch J2000      Equinox J2000
Constellation Pyxis
Right ascension 08h 32m 51.4959s[1]
Declination –31° 30′ 03.070″[1]
Apparent magnitude (V) 6.38[2]
Characteristics
Spectral type K0V
Astrometry
Radial velocity (Rv) 15.7 km/s
Proper motion (μ) RA: –1113.59[1] mas/yr
Dec.: 761.74[1] mas/yr
Parallax (π) 82.15 ± 0.66[1] mas
Distance 39.7 ± 0.3 ly
(12.17 ± 0.10 pc)
Absolute magnitude (MV) 5.95[2]
Details
Age (5.7–6.5) × 109[2] years
Other designations
11 G. Pyxidis, GJ 309, CD-31°6229, HD 72673, LHS 249, LTT 3168, SAO 199352, HIP 41926.

HR 3384 (11 G. Pyxidis) is a star of spectral class K0, located 39.70 light-years (12.17 parsecs) from Earth. This star has a radius 0.837 times that of the Sun, and an Earth-like planet would need to be 0.601 AU from the star.

References[edit]

  1. ^ a b c d e Perryman, M. A. C. et al (April 1997). "The HIPPARCOS Catalogue". Astronomy & Astrophysics 323: L49–L52. Bibcode:1997A&A...323L..49P. 
  2. ^ a b c Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical Journal 687 (2): 1264–1293. arXiv:0807.1686. Bibcode:2008ApJ...687.1264M. doi:10.1086/591785. 

External links[edit]