HD 84117

HD 84117

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Hydra
Right ascension	09^h 42^m 14.4168^s[1]
Declination	−23° 54′ 56.048″[1]
Apparent magnitude (V)	4.94[1]
Characteristics
Spectral type	F8V[1]
U−B color index	0.00[2]
B−V color index	+0.53[2]
R−I color index	+0.28[2]
Astrometry
Radial velocity (Rv)	33.8 ± 0.9[1] km/s
Proper motion (μ)	RA: −399.21[1] mas/yr Dec.: 263.17[1] mas/yr
Parallax (π)	67.19 ± 0.73[1] mas
Distance	48.5 ± 0.5 ly (14.9 ± 0.2 pc)
Absolute magnitude (MV)	4.08[3]
Details
Mass	1.09 (1.04 to 1.16)[4] M☉
Radius	1.1[5] R☉
Temperature	6100[4] K
Metallicity	[Fe/H] = −0.12[4]
Rotational velocity (v sin i)	6[4] km/s
Age	3.1 (2.2 to 4.4) × 10^9[4] years
Other designations
CD−23 8646, CPD−23 4656, GC 13394, GJ 364, HIP 47592, HR 3862, LTT 3558, NLTT 22406, PPM 256602, SAO 177866.[1]
Database references
SIMBAD	data

HD 84117 is a F-type main sequence star in the constellation of Hydra.^[1] It has an apparent visual magnitude of approximately 4.94.^[1]

References

1. LTT 3558 -- High proper-motion Star, database entry, SIMBAD. Accessed on line January 20, 2011.
2. HR 3862, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line January 20, 2011.
3. From apparent magnitude and parallax.
4. HD 84117, database entry, The Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line January 20, 2011.
5. HD 84117, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line January 20, 2011.