Xi Puppis
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 49m 17.7s |
| Declination | -24° 51′ 35″ |
| Apparent magnitude (V) | 3.34 |
| Characteristics | |
| Spectral type | G6 Iab-Ib[1] |
| U−B color index | 1.16 |
| B−V color index | 1.24 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | 3 km/s |
| Proper motion (μ) | RA: -5.56 mas/yr Dec.: -0.71 mas/yr |
| Parallax (π) | 2.42 ± 0.74 mas |
| Distance | approx. 1,300 ly (approx. 400 pc) |
| Absolute magnitude (MV) | −4.74 |
| Details | |
| Mass | 9.9 ± 1.0[1] M☉ |
| Radius | 120 R☉ |
| Luminosity | 8,300 L☉ |
| Surface gravity (log g) | 1.21 ± 0.09[1] |
| Temperature | 4,880 ± 150[1] K |
| Age | 2.3 × 107[1] years |
| Other designations | |
| Database references | |
| SIMBAD | data |
Xi Puppis (ξ Pup) is a star of magnitude +3.34 in the constellation Puppis. It has the traditional name Asmidiske (Azmidiske), a misplacement and mistransliteration of Aspidiske, the traditional name of ι Carinae.
Asmidiske has a 13th magnitude companion at an apparent distance of 5".1 while it may also be a spectroscopic binary.
[edit] References
- ^ a b c d e Lyubimkov, Leonid S. et al. (February 2010), "Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood", Monthly Notices of the Royal Astronomical Society 402 (2): 1369–1379, Bibcode 2010MNRAS.402.1369L, doi:10.1111/j.1365-2966.2009.15979.x
[edit] External links
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