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Latest Details
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Name
  HP Dra  
AAVSO UID
000-BDQ-447 (No observations)  
Constellation
Draco Sequence
J2000.0
18 54 53.48 +51 18 29.8  (283.72283 +51.30828) Search nearby
B1950.0 18 53 40.63 +51 14 30.5
Proper motion
RA: 23.463 +/- 0.060 mas/yDec: 83.304 +/- 0.062 mas/ySource: Gaia DR1
Galactic coord. 81.126 +20.336
Other names

(Internal only)
ASASSN-V J185453.66+511830.5 BD+51 2459 HD 175900
HIP 92835 SAO 31262  
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Variability type
EA
Spectral type G5
Mag. range
8.06 - 8.36 Hp
Discoverer --
Epoch
15 Aug 1998 (HJD 2451041.4812) Ephemeris
Outburst --
Period 10.7615305 d
Rise/eclipse dur. --
Remarks
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1 Admin, VSX Min II amplitude 0.26V at phase 0.518.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 M. Kurpinska-Winiarska, E. Oblak, M. Winiarski, T. Kundera, 2000, IBVS 4823 2000IBVS.4823....1K
2 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200		 1997yCat.1239....0E
External Links
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Location    Go   
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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 = 6.85H = 6.62K = 6.57J - K = 0.29
AllWISE W1 = 6.55W2 = 6.52W3 = 6.59W4 = 6.52W1 - W2 = 0.03W3 - W4 = 0.07
APASS-DR9 B = 8.85V = 7.96g' = 8.28r' = 7.78i' = 7.71B - V = 0.90
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 54 53.48 +51 18 29.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2008-12-27 01:29 UTC Update from [2000IBVS.4823....1K].
2 Admin, VSX 2007-03-23 19:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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