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Latest Details
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Name
  UW Ori  
AAVSO UID
000-BBK-402 (1641 observations)  
Constellation
Orion Sequence
J2000.0
05 55 52.87 +20 10 15.9  (88.97029 +20.17108) Search nearby
B1950.0 05 52 54.61 +20 09 51.5
Proper motion
RA: 1.064 +/- 5.056 mas/yDec: -2.851 +/- 4.438 mas/ySource: Gaia DR1
Galactic coord. 188.726 -2.482
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0549+20B AN 9.1904 ASAS J055553+2010.3
IOMC 1320000038    
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Variability type
EB/KE
Spectral type B
Mag. range
11.1 - 11.6 p
Discoverer Karl Luther (1904)
Epoch
15 Aug 2002 (HJD 2452502.0122) Ephemeris
Outburst --
Period 2.0381370 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 11.6.
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References
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1 Bob Nelson's O-C files, 2016 --
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 J.M. Kreiner, 2004, Acta Astronomica 54, 207 2004AcA....54..207K
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 I.Todoran, Stud Astr 7, N1, 155, 1962. --
6 C.Payne, HB N883, 1931. --
7 Dunér, N. C.; Hartwig, E.; Muller, G., 1913, Benennung von neu entdeckten
veränderlichen Sternen
1913AN....195..241D
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 = 9.35H = 9.25K = 9.13J - K = 0.22
APASS-DR9 B = 11.24V = 10.66g' = 10.98r' = 10.52i' = 10.29B - V = 0.58
Images
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Supporting Documents
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Revision History
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4 Fernig, Leo 2022-11-15 22:35 UTC Discoverer updated from 1913AN....195..241D page 248.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-10-30 01:32 UTC Update from [2004AcA....54..207K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.