仙王座PV

仙王座PV是一顆獵戶型的變星，它位於仙王座，與地球的距離超過1,600光年^[1]。

變星仙王座PV在紅波段的光變曲線。改編自洛倫澤蒂"等人"（2011）^[9]。

仙王座PV（PV Cep）

仙王座PV是位於久布達基安星雲（英語：Gyulbudaghian’s nebula）邊緣的亮點。 Credit: ESA/Hubble和NASA。 鳴謝：阿列克謝·羅馬申（Alexey Romashin）
觀測資料 曆元 J2000
星座	仙王座[1]
星官
赤經	20h 45m 53.943s[2]
赤緯	+67° 57′ 38.66″[2]
視星等（V）	14.58 - 18.08[3]
特性
光譜分類	A5Ve[4]
變星類型	金牛T星[5]
天體測定
自行 (μ)	赤經：8.228[6] mas/yr 赤緯：2999802400000000000♠−1.976[6] mas/yr
視差 (π)	2.9100 ± 0.0593[6] mas
距離	1,120 ± 20 ly (344 ± 7 pc)
詳細資料
質量	2.6[7] M☉
半徑	2.9[7] R☉
亮度	1[8] - 100[3] L☉
溫度	8,150[8] K
年齡	<1[3] Myr
參考資料庫
SIMBAD	資料

參考資料

1. A changing fan. ESA/Hubble Picture of the Week. [23 April 2013]. （原始內容存檔於2020-11-11）.
2. Cutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). CDS/ADC Collection of Electronic Catalogues. 2003, 2246: II/246 [2022-09-12]. Bibcode:2003yCat.2246....0C. （原始內容存檔於2021-04-21）.
3. Kun, M.; Szegedi-Elek, E.; Moór, A.; Kóspál, Á.; Ábrahám, P.; Apai, D.; Kiss, Z. T.; Klagyivik, P.; Magakian, T. Yu.; Mező, Gy.; Movsessian, T. A.; Pál, A.; Rácz, M.; Rogers, J. Inner disc rearrangement revealed by dramatic brightness variations in the young star PV Cep. Monthly Notices of the Royal Astronomical Society. 2011, 413 (4): 2689. Bibcode:2011MNRAS.413.2689K. S2CID 118623750. arXiv:1101.2329 . doi:10.1111/j.1365-2966.2011.18341.x.
4. Watson, C. L. The International Variable Star Index (VSX). The Society for Astronomical Sciences 25th Annual Symposium on Telescope Science. Held May 23–25. 2006, 25: 47. Bibcode:2006SASS...25...47W.
5. Samus, N. N.; Durlevich, O. V.; et al. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013). VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 2009, 1. Bibcode:2009yCat....102025S.
6. Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; et al. Gaia Data Release 2. Summary of the contents and survey properties. Astronomy & Astrophysics. 2018. Bibcode:2018A&A...616A...1G. arXiv:1804.09365 . doi:10.1051/0004-6361/201833051. VizieR中此天體在蓋亞望遠鏡第二批數據發布的記錄
7. Caratti o Garatti, A.; Garcia Lopez, R.; Weigelt, G.; Tambovtseva, L. V.; Grinin, V. P.; Wheelwright, H.; Ilee, J. D. LBT/LUCIFER near-infrared spectroscopy of PV Cephei. An outbursting young stellar object with an asymmetric jet. Astronomy and Astrophysics. 2013, 554: A66. Bibcode:2013A&A...554A..66C. S2CID 46977755. arXiv:1304.6267 . doi:10.1051/0004-6361/201321418.
8. Vioque, M.; Oudmaijer, R. D.; Baines, D.; Mendigutía, I.; Pérez-Martínez, R. Gaia DR2 study of Herbig Ae/Be stars. Astronomy and Astrophysics. 2018, 620: A128. Bibcode:2018A&A...620A.128V. S2CID 118928804. arXiv:1808.00476 . doi:10.1051/0004-6361/201832870.
9. Lorenzetti, D.; Giannini, T.; Larionov, V. M.; Arkharov, A. A.; Antoniucci, S.; Di Paola, A.; Konstantinova, T. S.; Kopatskaya, E. N.; Li Causi, G.; Nisini, B. Simultaneous monitoring of the photometric and polarimetric activity of the young star PV Cep in the optical/near-infrared bands. The Astrophysical Journal. May 2011, 732 (2) [6 December 2021]. doi:10.1088/0004-637X/732/2/69. （原始內容存檔於2021-12-06）.