Within the framework of HD 61831, it is relevant to analyze and understand the different aspects that come together around this topic. From its origins to its influence today, HD 61831 has been the subject of debate and study in various fields of knowledge. Its impact on society, its relevance in the cultural field and its evolution over time are just some of the dimensions that will be addressed in this article. Likewise, the multiple perspectives and opinions that have emerged around HD 61831 will be explored, in order to provide a comprehensive and objective view of this issue.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 39m 27.33834s[1] |
Declination | −38° 18′ 28.8786″[1] |
Apparent magnitude (V) | 4.84[2] |
Characteristics | |
Spectral type | B2.5V[3] |
U−B color index | -0.66[2] |
B−V color index | -0.19[2] |
Astrometry | |
Radial velocity (Rv) | +26.40[4] km/s |
Proper motion (μ) | RA: -21.11[1] mas/yr Dec.: +15.81[1] mas/yr |
Parallax (π) | 5.87±0.16 mas[1] |
Distance | 560 ± 20 ly (170 ± 5 pc) |
Absolute magnitude (MV) | -1.51[5] |
Details | |
Mass | 6.5[6] M☉ |
Luminosity | 1,300[5] L☉ |
Temperature | 16,849[5] K |
Metallicity | 0.00[7] dex |
Rotational velocity (v sin i) | 138[3] km/s |
Other designations | |
d1 Puppis, CD-38°3531, GC 10311, GSC 07644-02700, HIP 37297, HR 2961, HD 61831, SAO 198253 | |
Database references | |
SIMBAD | data |
HD 61831 (d1 Puppis) is a class B2.5V[3] (blue dwarf) star in the constellation Puppis. Its apparent magnitude is 4.84[2] and it is approximately 556 light years away based on parallax.[1]