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Name
U Peg
AAVSO UID
Constellation
J2000.0
B1950.0
23 55 25.18 +15 40 30.6
Proper motion
RA: -44.528 +/- 0.065 mas/y Dec: -52.735 +/- 0.048 mas/y Source: 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
ASASSN-V J235758.53+155709.7
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
Seth Chandler (1894)
Epoch
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
Bob Nelson's O-C files, 2016
--
2
M. Kiraga, 2012, Acta Astronomica 62, 67
2012AcA....62...67K
3
G.Pojmanski, Acta Astronomica 52, 397, 2002.
2002AcA....52..397P
4
Disheng Zhai, Kam-Ching Leung, Rongxian Zhang, AsAp Suppl 57, N3, 487,
1984A&AS...57..487Z
5
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
External Links
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Location
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AAVSO Variable Star Plotter
AAVSO Light Curve
AAVSO WebObs
APASS
AAVSOnet EPD
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GCVS
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Hipparcos Epoch Photometry Plot
ASAS Light Curve
NSVS
CRTS
ZTF
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Kamogata Wide-field Survey (KWS)
O-C Gateway (name)
O-C Gateway (coords)
Atlas of O-C Diagrams
Lichtenknecker Database
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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 = 8.42 H = 8.18 K = 8.06 J - K = 0.35
AllWISE
W1 = 8.13 W2 = 8.17 W3 = 8.10 W4 = 8.21 W1 - W2 = -0.04 W3 - W4 = -0.11
APASS-DR9
B = 10.49 V = 10.12 g' = 10.29 B - V = 0.37
GALEX-DR5
FUV = 19.52 NUV = 14.60 FUV - NUV = 4.92
SDSS-DR12
u = 12.01 g = 10.09 r = 9.78 i = 9.63 z = 10.23 u - g = 1.92 r - i = 0.14
Images
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Supporting Documents
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Revision History
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