HD 84117

HD 84117

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Hydra
Right ascension	09h 42m 14.4168s[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) × 109[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. ^ ^{a b c d e f g h i j k} LTT 3558 -- High proper-motion Star, database entry, SIMBAD. Accessed on line January 20, 2011.
2. ^ ^{a b c} 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. ^ ^{a b c d e} 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.