HD_199442 References

HD 199442
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	20h 57m 10.57663s
Declination	+00° 27′ 49.6073″
Apparent magnitude (V)	6.065
Characteristics
Spectral type	K2III
U−B color index	+1.29
B−V color index	+1.22
Astrometry
Radial velocity (Rv)	−26.47 km/s
Proper motion (μ)	RA: +10.70 mas/ yr ; Dec.: −62.77 mas/ yr
Parallax (π)	10.64 ± 0.44 mas
Distance	310 ± 10 ly ; (94 ± 4 pc)
Details
Mass	1.20 M☉
Luminosity	1.65 L☉
Surface gravity (log g)	2.49 cgs
Temperature	4,605 K
Metallicity [Fe/H]	0.19 dex
Rotational velocity (v sin i)	2.7 km/s
Other designations
	ADS 14457 A, BD-00° 4132, HIP 103414, HR 8017, SAO 126396
Database references
SIMBAD	data

HD 199442 is a giant star situated in the Aquarius constellation. It is located about 310 light years from the Solar System.

References

^ ^a ^b ^c ^d ^e van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv: 0708.1752, Bibcode: 2007A&A...474..653V, doi: 10.1051/0004-6361:20078357, S2CID 18759600
^ ^a ^b ^c ^d ^e ^f ^g ^h Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal, 133 (6): 2464–2486, Bibcode: 2007AJ....133.2464L, doi: 10.1086/513194
^ ^a ^b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M
^ Massarotti, Alessandro; et al. (January 2008), "Rotational and radial velocities for a sample of 761 HIPPARCOS giants and the role of binarity", The Astronomical Journal, 135 (1): 209–231, Bibcode: 2008AJ....135..209M, doi: 10.1088/0004-6256/135/1/209, S2CID 121883397

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Observation data Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	20^h 57^m 10.57663^s^[1]
Declination	+00° 27′ 49.6073″^[1]
Apparent magnitude (V)	6.065^[2]
Characteristics
Spectral type	K2III^[2]
U−B color index	+1.29^[3]
B−V color index	+1.22^[3]
Astrometry

Radial velocity (R_v)	−26.47^[2] km/s
Proper motion (μ)	RA: +10.70^[1] mas/ yr Dec.: −62.77^[1] mas/ yr
Parallax (π)	10.64 ± 0.44 mas^[1]
Distance	310 ± 10 ly (94 ± 4 pc)

Details

Mass	1.20^[2] `M`_☉
Luminosity	1.65^[2] `L`_☉
Surface gravity (log g)	2.49^[2] cgs
Temperature	4,605^[2] K
Metallicity [Fe/H]	0.19^[2] dex
Rotational velocity (v sin i)	2.7^[4] km/s

Other designations
ADS 14457 A, BD-00° 4132, HIP 103414, HR 8017, SAO 126396
Database references
SIMBAD	data