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Latest Details
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Name
  V1811 Ori  
AAVSO UID
--  
Constellation
Orion Sequence
J2000.0
05 34 12.38 +00 24 49.7  (83.55160 +0.41380) Search nearby
B1950.0 05 31 38.20 +00 22 51.7
Proper motion
RA: -1.582 +/- 0.840 mas/yDec: -3.091 +/- 0.823 mas/ySource: Gaia DR1
Galactic coord. 203.475 -16.916
Other names

(Internal only)
BD+00 1118 GSC 00114-00134 HD 290556
NSV 16352    
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Variability type
EA
Spectral type A2
Mag. range
9.52 - 9.66 V
Discoverer --
Epoch
22 Feb 2001 (HJD 2451962.558) Ephemeris
Outburst --
Period 3.21472 d
Rise/eclipse dur. 6%  (4.6 h)
Remarks
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1 Admin, VSX A twice shorter period is not excluded.
2 2005IBVS.5586....1O Min II = 9.64:V.
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References
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1 Bob Nelson's O-C files, 2016 --
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863
2008IBVS.5863....1K
3 S.A.Otero, P.Wils, P.A.Dubovsky, IBVS N5586, 2005. 2005IBVS.5586....1O
4 W.H.Warren, Jr., J.E.Hesser, ApJ Suppl 34, No.2, 115, 1977. 1977ApJS...34..115W
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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 = 9.24H = 9.20K = 9.17J - K = 0.07
AllWISE W1 = 9.17W2 = 9.21W3 = 9.29W1 - W2 = -0.04
APASS-DR9 B = 9.73V = 9.71g' = 9.93r' = 9.74B - V = 0.02
SDSS-DR12 u = 10.94g = 9.67r = 9.60i = 9.66z = 10.21u - g = 1.27r - i = -0.06
Images
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Supporting Documents
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Revision History
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4 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2008-12-02 22:52 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
2 Admin, VSX 2007-03-23 15:54 UTC Update from [2005IBVS.5586....1O].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.