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Latest Details
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Name
  ROTSE1 J115128.40+493130.5  
AAVSO UID
000-BLJ-760 (1 observation)  
Constellation
Ursa Major Sequence
J2000.0
11 51 28.40 +49 31 30.5  (177.86833 +49.52515) Search nearby
B1950.0 11 48 51.38 +49 48 11.3
Proper motion
RA: -16.577 +/- 0.476 mas/yDec: 12.203 +/- 0.870 mas/ySource: Gaia DR1
Galactic coord. 146.167 +64.810
Other names

(Internal only)
2MASS J11512840+4931306 GSC 03454-00818 NSVS 4994485
SDSS J115128.40+493130.5 TYC 3454-818-1 USNO-B1.0 1395-0223839
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Variability type
EW
Spectral type F9/G0
Mag. range
11.63 - 11.72 R1
Discoverer Dominik Fritz, Madison Monzingo, Ken Taylor, Govinda Dhungana
Epoch
10 Apr 2000 (HJD 2451644.80483) Ephemeris
Outburst --
Period 0.395714 d  (9.4971 h)
Rise/eclipse dur. --
Remarks
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References
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1 Qian, S.-B.; Zhu, L.-Y.; Liu, L.; et al., 2020, Contact binaries at
different evolutionary stages
2020RAA....20..163Q
2 Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
3 Kehoe, R.; et al., 2002, An Untriggered Search for Optical Bursts 2002ApJ...577..845K
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 = 10.46H = 10.17K = 10.10J - K = 0.36
AllWISE W1 = 10.01W2 = 10.03W3 = 9.94W4 = 9.29W1 - W2 = -0.02W3 - W4 = 0.65
APASS-DR9 B = 12.11V = 11.45g' = 11.77r' = 11.33i' = 11.22B - V = 0.65
GALEX-DR5 FUV = 21.18NUV = 15.89FUV - NUV = 5.29
SDSS-DR12 u = 14.46g = 12.04r = 11.51i = 11.38z = 12.82u - g = 2.41r - i = 0.12
Images
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Supporting Documents
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1 Phase Plot Ferrante, Farley 2014-08-07 02:29 UTC Phase plot of ROTSE-I Orphans data combined with ROTSE-I NSVS data.
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Revision History
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3 Otero, Sebastian Alberto 2023-04-23 16:52 UTC Spectral type from 2020RAA....20..163Q.
2 Ferrante, Farley 2015-06-16 22:54 UTC Reference for 2002 ROTSE-I "Orphans" paper added.
1 Ferrante, Farley 2014-08-07 20:28 UTC Initial submission.