MY Apodis
MY Apodis, also known as L 19-2 or WD 1425-811, is a pulsating white dwarf or ZZ Ceti star located in the far southern constellation Apus. Shining with an apparent magnitude of 13.75, it is white dwarf 0.71 times as massive as the Sun with a spectral type DA4.1 and surface temperature of 12330 K.[1]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Apus |
Right ascension | 14h 33m 07.598s |
Declination | −81° 20′ 14.51″ |
Apparent magnitude (V) | 13.75[1] |
Characteristics | |
Spectral type | DA4.1[1] |
U−B color index | -0.530 |
B−V color index | 0.25 |
Variable type | Pulsating white dwarf[1] |
Astrometry | |
Radial velocity (Rv) | 58.0 km/s |
Proper motion (μ) | RA: -206 ± 25 mas/yr Dec.: -398 ± 25 mas/yr |
Absolute magnitude (MV) | 11.86[1] |
Details | |
Mass | 0.71[1] M☉ |
Temperature | 12330[1] K |
Other designations | |
L 19-2, LTT 5712, WD 1425-81, WD 1425-811 | |
Database references | |
SIMBAD | data |
References
- Gianninas, A.; Bergeron, P.; Ruiz, M. T. (2011). "A Spectroscopic Survey and Analysis of Bright, Hydrogen-rich White Dwarfs". The Astrophysical Journal. 743 (2): 27. arXiv:1109.3171. Bibcode:2011ApJ...743..138G. doi:10.1088/0004-637X/743/2/138. S2CID 119210906. 138.
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