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Name
  KU Hya  
AAVSO UID
000-BDS-123 (14 observations)  
Constellation
Hydra Sequence
J2000.0
09 22 50.85 -09 50 19.7  (140.71187 -9.83881) Search nearby
B1950.0 09 20 24.52 -09 37 26.7
Proper motion
RA: -27.94 +/- 0.61 mas/yDec: -13.01 +/- 0.36 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 241.736 +27.398
Other names

(Internal only)
ADS 7334 BD-09 2816 HD 81009
HIP 45999 HR 3724 SAO 136799
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Variability type
ACV
Spectral type A3Vp(Sr-Cr-Eu)
Mag. range
6.51 - 6.53 V
Discoverer --
Epoch
31 Aug 1980 (HJD 2444483.42) Ephemeris
Outburst --
Period 33.984 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB AB (7.3m, 7.4m, A = 0.150", P = 58.93 yr, E = 0.219); A(v) = 0.06m.
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References
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1 Adelman, S. J., 1997, Stromgren UVBY Photometry of the Magnetic Chemically
Peculiar Stars HR 1643, theta Aur, 49 Cam, and HR 3724
1997PASP..109....9A
2 H.Hensberge, H.M.Maitzen, G.Deridder, M.Gerbaldi, F.Delmas, P.Renson,
C.Doom, W.W.Weiss, N.Morguleff, AsAp Suppl 46, 151, 1981.
1981A&AS...46..151H
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 = 6.22H = 6.24K = 6.15J - K = 0.07
AllWISE W1 = 6.13W2 = 6.01W3 = 6.21W4 = 6.20W1 - W2 = 0.12W3 - W4 = 0.01
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2015-06-01 19:33 UTC Period and epoch from 1997PASP..109....9A.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.