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  EF Peg  
000-BCN-636 (9363 observations)  
Pegasus Sequence
21 15 04.10 +14 03 49.3  (318.76708 +14.06369) Search nearby
B1950.0 21 12 41.39 +13 51 19.0
Galactic coord. 64.124 -23.298
Other names

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2MASS J21150412+1403492 AAVSO 2110+13 AN 143.1935
ASASSN-V J211504.39+140346.4 Downes EF Peg Gaia DR2 1759321791032618624
PSO J211504.130+140349.156 Prager 5556  
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Variability type
Spectral type M5V
Mag. range
10.7 - 18.5 V
Discoverer Cuno Friedrich Ludwig Hoffmeister
Outburst --
Period 0.0837 d  (2.01 h)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Schmeer, Patrick Originally reported as Mira variable (1935AN....255..401H). Superhumps were detected during a superoutburst that was first detected on 1991 October 15 (1991IAUC.5369....1S, 1993PASP..105..579H). Gaia DR2 parallax 3.9238 ± 0.4524 mas (distance 259 ± 37 pc).
2 Otero, Sebastian Alberto VSP Note: 12.6 mag. companion 5" to the SE.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 T. Kato et al., 2009, arXiv:0905.1757v1 [astro-ph.SR] 2009arXiv0905.1757K
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 Ritter, H., Kolb, U., Catalogue of cataclysmic binaries, low-mass X-ray
binaries and related objects (7th Edition, rev. 7.18, July 2012)
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 Howell, S. B.; Schmidt, R.; De Young; J. A.; et al., 1993, Photometry of EF
Pegasi during superoutburst
6 Schmeer, P.; Poyner, G., 1991, IAU Circular No. 5369, #1 1991IAUC.5369....1S
7 V.P.Zessewitsch, V.P.Goranskij, N.N.Samus', S.Yu.Shugarov, Astron. Tsirk.
N1043, 3, 1979.
8 Hoffmeister, C., 1935, 162 neue Veränderliche 1935AN....255..401H
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS H = 15.15
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Revision History
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5 Schmeer, Patrick 2018-07-31 07:25 UTC Gaia DR2 position. Discoverer added from 1935AN....255..401H.
4 Otero, Sebastian Alberto 2012-12-05 14:49 UTC Range from Downes (2001). Orbital period and spectral type from Ritter and Kolb (2011, 2003A&A...404..301R).
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-05-13 20:46 UTC Update from [2009arXiv0905.1757K].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.