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Latest Details
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Name
  AH Dra  
AAVSO UID
000-BBX-958 (13978 observations)  
Constellation
Draco Sequence
J2000.0
16 48 16.63 +57 48 49.4  (252.06929 +57.81372) Search nearby
B1950.0 16 47 24.08 +57 53 59.8
Proper motion
RA: -10.10 +/- 0.88 mas/yDec: 0.03 +/- 0.77 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 86.891 +38.946
Other names

(Internal only)
AAVSO 1646+57 BD+58 1672 HD 152152
HIP 82249 IRC +60248 PPM 35650
RAFGL 1898 SAO 30107 TYC 3885-1365-1
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Variability type
SRB
Spectral type M5-M7
Mag. range
6.4 - 8.6 V
Discoverer --
Epoch
09 Jun 1942 (HJD 2430520) Ephemeris
Outburst --
Period 158 d
Rise/eclipse dur. --
Remarks
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References
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1 The TYCHO Catalogue 1997A&A...323L..57H
2 T.G.Nikulina, Tadj. Byull. N43-44, 53, 1966. --
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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 = 1.65H = 0.73K = 0.43J - K = 1.23
AllWISE W3 = -0.27W4 = -0.95W3 - W4 = 0.69
APASS-DR9 B = 9.23V = 7.90g' = 8.60r' = 7.20i' = 5.35B - V = 1.33
GALEX-DR5 NUV = 18.76
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-08-17 04:40 UTC Maximum magnitude from Tycho. Minimum magnitude from AAVSO data. Hipparcos position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.