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Latest Details
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Name
  GSC 01866-00165  
AAVSO UID
--  
Constellation
Taurus Sequence
J2000.0
05 43 56.32 +25 31 24.2  (85.98467 +25.52339) Search nearby
B1950.0 05 40 50.80 +25 30 07.5
Proper motion
RA: -0.5 +/- 2.0 mas/yDec: -4.7 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 182.716 -2.101
Other names

(Internal only)
2MASS J05435632+2531238 USNO-B1.0 1155-0085476 VSX J054356.3+253124
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Variability type
EW
Spectral type F3
Mag. range
(0.075) V
Discoverer Robert A. Koff, AAVSO Code KRV
Epoch
10 Jan 2006 (HJD 2453745.71967) Ephemeris
Outburst --
Period 0.4139 d  (9.93 h)
Rise/eclipse dur. --
Remarks
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1 Koff, Robert Spectral type computed from 2MASS J-K values.
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References
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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 = 11.97H = 11.64K = 11.56J - K = 0.40
AllWISE W1 = 11.48W2 = 11.48W3 = 11.02W1 - W2 = -0.00
APASS-DR9 B = 13.96V = 13.30g' = 13.60r' = 13.12i' = 12.91B - V = 0.66
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 05 43 56.32 +25 31 24.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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3 Representative K-C Lightcurve for GSC 1866 0165 Koff, Robert 2006-07-07 13:39 UTC Single-night lightcurve for GSC 1866 0165 showing V-C and K-C lightcurves.
2 Lightcurve for GSC 1866 0165 Koff, Robert 2006-06-30 20:05 UTC Phased lightcurve, from seven observing sessions, 11/26/2005 to 2/14/2006, including four sessions with V filter and 3 sessions with Clear filter.
1 Observational Data for GSC 1866 0165 Koff, Robert 2006-06-30 20:05 UTC Observational data file
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Revision History
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1 Koff, Robert 2006-06-30 16:05 UTC Spectral type computed from 2MASS J-K values.

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