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Name
  U Peg  
AAVSO UID
000-BCS-168 (10291 observations)  
Constellation
Pegasus Sequence
J2000.0
23 57 58.48 +15 57 10.1  (359.49367 +15.95281) Search nearby
B1950.0 23 55 25.18 +15 40 30.6
Proper motion
RA: -44.528 +/- 0.065 mas/yDec: -52.735 +/- 0.048 mas/ySource: Gaia DR1
Galactic coord. 104.609 -45.008
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J235800.0+155704 AAVSO 2352+15 ASAS J235759+1557.1
ASAS J235800+1557.0 BD+15 4915 HIP 118149
SAO 108933    
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Variability type
EW/KW
Spectral type F3+F3
Mag. range
9.23 - 10.07 V
Discoverer --
Epoch
04 Nov 1958 (HJD 2436511.66823) Ephemeris
Outburst --
Period 0.374781439 d  (8.9947545 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 9.73. P var. There is a square term in the elements: -2.468D*10**(-11)*E**2. 0 - C = 0.00323d*sin((2pi/16330)E + 0.418pi). Shape of the light curve varies.
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References
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1 M. Kiraga, 2012, Acta Astronomica 62, 67 2012AcA....62...67K
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Disheng Zhai, Kam-Ching Leung, Rongxian Zhang, AsAp Suppl 57, N3, 487,
1984.
1984A&AS...57..487Z
4 Bob Nelson's O-C files, 2016 --
External Links
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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 J = 8.42H = 8.18K = 8.06J - K = 0.35
AllWISE W1 = 8.13W2 = 8.17W3 = 8.10W4 = 8.21W1 - W2 = -0.04W3 - W4 = -0.11
APASS-DR9 B = 10.49V = 10.12g' = 10.29B - V = 0.37
GALEX-DR5 FUV = 19.52NUV = 14.60FUV - NUV = 4.92
SDSS-DR12 u = 12.01g = 10.09r = 9.78i = 9.63z = 10.23u - g = 1.92r - i = 0.14
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.