HD 199442

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HD 199442

HD 199442
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 20h 57m 10.5773s
Declination +00° 27′ 49.606″
Apparent magnitude (V) 6.065
Characteristics
Spectral type K2III
U−B color index 1.36
B−V color index 1.22
Astrometry
Radial velocity (Rv) -25.6 km/s
Proper motion (μ) RA: 11.81 mas/yr
Dec.: -62.98 mas/yr
Parallax (π) 10.24 ± 0.85 mas
Distance 320 ± 30 ly
(98 ± 8 pc)
Absolute magnitude (MV) 7.292
Details
Mass 0,8 M
Radius 0,9 R
Luminosity 0,4 L
Temperature 3,500–5,000 K
Metallicity ?
Rotation ?
Age ? years
Orbit
Companion HD 199442 B
Semi-major axis (a) 26.2"
Inclination (i) 72°
Orbit
Companion HD 199442 C
Semi-major axis (a) 35.4"
Inclination (i) 116°
Other designations
GC 29232, HR 8017, TYC 513-2555-1, ADS 14457 A, GCRV 13158, IDS 20521+0005 A, UBV M 25293, AG+00 2608, 2MASS J20571057+0027495, UBV 18122, BD-00° 4132, GSC 00513-02555, PPM 171016, uvby98 100199442 A, CCDM J20572+0028A, HIC 103414, SAO 126396, YZ 0 5318, CSI-00 4132 1, HIP 103414
Database references
SIMBAD data
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 199442 or IDS 20521+0005 A is a binary star situated in the Aquarius constellation. It is located about 319 light years from the solar system.

Components[edit]


NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
IDS 20521+0005 B (BD-00 4132B) 20h 57m 12.6s +00° 27' 36 11.76 Simbad
IDS 20521+0005 C (CCDM J20572+0028C) 20h 57m 12.77s +00° 27' 32.8 12.5 Simbad

References[edit]

External links[edit]