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Open Access Articles- Top Results for HD 199442

HD 199442

<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Astrometry</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></tr><tr style="vertical-align:top;"><td>Radial velocity (Rv)</td><td>-25.6 km/s</td></tr><tr style="vertical-align:top;"><td>Proper motion (μ)</td><td> RA: 11.81 mas/yr
Dec.: -62.98 mas/yr </td></tr><tr style="vertical-align:top;"><td>Parallax (π)</td><td>10.24 ± 0.85 mas</td></tr><tr style="vertical-align:top;"><td>Distance</td><td>320 ± 30 ly
(98 ± 8 pc)</td></tr><tr style="vertical-align:top;"><td>Absolute magnitude (MV)</td><td>7.292</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:baseline;"><td>Mass</td><td>0,8 M</td></tr><tr style="vertical-align:baseline;"><td>Radius</td><td>0,9 R</td></tr><tr style="vertical-align:baseline;"><td>Luminosity</td><td>0,4 L</td></tr><tr style="vertical-align:baseline;"><td>Temperature</td><td>3,500–5,000 K</td></tr><tr style="vertical-align:baseline;"><td>Metallicity</td><td>?</td></tr><tr style="vertical-align:baseline;"><td>Rotation</td><td>?</td></tr><tr style="vertical-align:baseline;"><td>Age</td><td>? years</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><td style="background-color: #FFFFC0;" colspan="2" align=center>Orbit</td></tr><tr style="vertical-align:baseline;"><td>Companion</td><td>HD 199442 B</td></tr><tr style="vertical-align:baseline;"><td>Semi-major axis (a)</td><td>26.2"</td></tr><tr style="vertical-align:baseline;"><td>Inclination (i)</td><td>72°</td></tr> <tr><td style="background-color: #FFFFC0;" colspan="2" align=center>Orbit</td></tr><tr style="vertical-align:baseline;"><td>Companion</td><td>HD 199442 C</td></tr><tr style="vertical-align:baseline;"><td>Semi-major axis (a)</td><td>35.4"</td></tr><tr style="vertical-align:baseline;"><td>Inclination (i)</td><td>116°</td></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Other designations</th></tr><tr><td colspan="2">
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
</td></tr>

<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td>SIMBAD</td><td>data</tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td>SIMBAD</td><td>data</tr>


HD 199442 <tr><td colspan="2" style="text-align:center;">

HD 199442
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Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 20h 57m 10.5773s
Declination +00° 27′ 49.606″
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Characteristics
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Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.) </div>

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


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

External links


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