Astronomy:QY Puppis
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Short description: Red supergiant star in the constellation of Puppis
Coordinates: 
07h 47m 38.526s, −15° 59′ 26.480″
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 47m 38.5262s[2] |
| Declination | −15° 59′ 26.480″[2] |
| Apparent magnitude (V) | 6.24 - 6.71[3] |
| Characteristics | |
| Spectral type | K1Ia-Iab[4] |
| Apparent magnitude (J) | 3.746[5] |
| Apparent magnitude (H) | 2.958[5] |
| Apparent magnitude (K) | 2.702[5] |
| Variable type | SRd[3] |
| Astrometry | |
| Proper motion (μ) | RA: −2.017[2] mas/yr Dec.: −3.596[2] mas/yr |
| Parallax (π) | 0.3197 ± 0.0330[2] mas |
| Distance | 10,200 ly (3,100 pc) |
| Details | |
| Mass | 6.2±0.4[6] M☉ |
| Radius | 515[7] R☉ |
| Luminosity | 62,500–63,700[7] L☉ |
| Surface gravity (log g) | 0.16[8] cgs |
| Temperature | 4,251±46[8] K |
| Metallicity [Fe/H] | 0.05[8] dex |
| Age | 63.6±21.7[6] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
QY Puppis is a K-type supergiant star in the constellation of Puppis. With a radius of 515 R☉, it is on the smaller end of the largest known stars.[7]
Properties
QY Puppis has been classified in the General Catalogue of Variable Stars as a semiregular variable star of type SRD.[3] QY Puppis has a temperature of 4,251 K,[8] and has expanded to a radius of 515 R☉.[7] It is approximately 60 million years old, with a mass of 6.2 M☉.[6]
References
- ↑ "Hipparcos Tools Interactive Data Access". ESA. https://www.cosmos.esa.int/web/hipparcos/interactive-data-access.
- ↑ 2.0 2.1 2.2 2.3 2.4 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940 Gaia DR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (January 2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)". VizieR Online Data Catalog 1. Bibcode: 2009yCat....102025S.
- ↑ Keenan, Philip C.; McNeil, Raymond C. (October 1989). "The Perkins catalog of revised MK types for the cooler stars". The Astrophysical Journal Supplement Series 71: 245–266. doi:10.1086/191373. ISSN 0067-0049. Bibcode: 1989ApJS...71..245K.
- ↑ 5.0 5.1 5.2 Cutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E. et al. (2003). "VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)". CDS/ADC Collection of Electronic Catalogues 2246: II/246. Bibcode: 2003yCat.2246....0C. http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=II/246.
- ↑ 6.0 6.1 6.2 Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (January 2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society 410 (1): 190–200. doi:10.1111/j.1365-2966.2010.17434.x. ISSN 0035-8711. Bibcode: 2011MNRAS.410..190T.
- ↑ 7.0 7.1 7.2 7.3 Messineo, M.; Brown, A. G. A. (July 2019). "A Catalog of Known Galactic K-M Stars of Class I Candidate Red Supergiants in Gaia DR2". The Astronomical Journal 158 (1): 20. doi:10.3847/1538-3881/ab1cbd. ISSN 0004-6256. Bibcode: 2019AJ....158...20M.
- ↑ 8.0 8.1 8.2 8.3 Arentsen, Anke; Prugniel, Philippe; Gonneau, Anais; Lançon, Ariane; Trager, Scott; Peletier, Reynier; Lyubenova, Mariya; Chen, Yan-Ping et al. (July 2019). "Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library". Astronomy and Astrophysics 627: A138. doi:10.1051/0004-6361/201834273. ISSN 0004-6361. Bibcode: 2019A&A...627A.138A.
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