Astronomy:PV Cephei
From HandWiki
Short description: Star in the constellation Cepheus
Coordinates: 
20h 45m 53.943s, +67° 57′ 38.66″
 PV Cep is the bright spot located at the edge of Gyulbudaghian’s Nebula Credit: ESA/Hubble & NASA. Acknowledgement: Alexey Romashin | |
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Cepheus[1] |
| Right ascension | 20h 45m 53.943s[2] |
| Declination | +67° 57′ 38.66″[2] |
| Apparent magnitude (V) | 14.58 - 18.08[3] |
| Characteristics | |
| Spectral type | A5Ve[4] |
| Variable type | T Tau[5] |
| Astrometry | |
| Proper motion (μ) | RA: 8.228[6] mas/yr Dec.: −1.976[6] mas/yr |
| Parallax (π) | 2.9100 ± 0.0593[6] mas |
| Distance | 1,120 ± 20 ly (344 ± 7 pc) |
| Details | |
| Mass | 2.6[7] M☉ |
| Radius | 2.9[7] R☉ |
| Luminosity | 1[8] - 100[3] L☉ |
| Temperature | 8,150[8] K |
| Age | <1[3] Myr |
| Database references | |
| SIMBAD | data |
PV Cephei is variable star of Orion type located in the constellation of Cepheus at a distance of over 1600 light-years from Earth.[1]
A red band light curve for PV Cephei, adapted from Lorenzetti et al. (2011)[9]
References
- ↑ 1.0 1.1 "A changing fan". ESA/Hubble Picture of the Week. http://www.spacetelescope.org/images/potw1316a/. Retrieved 23 April 2013.
- ↑ 2.0 2.1 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.
- ↑ 3.0 3.1 3.2 Kun, M.; Szegedi-Elek, E.; Moór, A.; Kóspál, Á.; Ábrahám, P.; Apai, D.; Kiss, Z. T.; Klagyivik, P. et al. (2011). "Inner disc rearrangement revealed by dramatic brightness variations in the young star PV Cep". Monthly Notices of the Royal Astronomical Society 413 (4): 2689. doi:10.1111/j.1365-2966.2011.18341.x. Bibcode: 2011MNRAS.413.2689K.
- ↑ Watson, C. L. (2006). "The International Variable Star Index (VSX)". The Society for Astronomical Sciences 25th Annual Symposium on Telescope Science. Held May 23–25 25: 47. Bibcode: 2006SASS...25...47W.
- ↑ Samus, N. N. et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S 1. Bibcode: 2009yCat....102025S.
- ↑ 6.0 6.1 6.2 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ 7.0 7.1 Caratti o Garatti, A.; Garcia Lopez, R.; Weigelt, G.; Tambovtseva, L. V.; Grinin, V. P.; Wheelwright, H.; Ilee, J. D. (2013). "LBT/LUCIFER near-infrared spectroscopy of PV Cephei. An outbursting young stellar object with an asymmetric jet". Astronomy and Astrophysics 554: A66. doi:10.1051/0004-6361/201321418. Bibcode: 2013A&A...554A..66C.
- ↑ 8.0 8.1 Vioque, M.; Oudmaijer, R. D.; Baines, D.; Mendigutía, I.; Pérez-Martínez, R. (2018). "Gaia DR2 study of Herbig Ae/Be stars". Astronomy and Astrophysics 620: A128. doi:10.1051/0004-6361/201832870. Bibcode: 2018A&A...620A.128V.
- ↑ Lorenzetti, D.; Giannini, T.; Larionov, V. M.; Arkharov, A. A.; Antoniucci, S.; Di Paola, A.; Konstantinova, T. S.; Kopatskaya, E. N. et al. (May 2011). "Simultaneous monitoring of the photometric and polarimetric activity of the young star PV Cep in the optical/near-infrared bands". The Astrophysical Journal 732 (2): 69. doi:10.1088/0004-637X/732/2/69. Bibcode: 2011ApJ...732...69L. https://ui.adsabs.harvard.edu/abs/2011ApJ...732...69L. Retrieved 6 December 2021.
 |  |
