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Name
  RT Hya  
AAVSO UID
000-BBP-693 (8751 observations)  
Constellation
Hydra Sequence
J2000.0
08 29 41.15 -06 19 07.6  (127.42146 -6.31878) Search nearby
B1950.0 08 27 13.20 -06 09 00.7
Proper motion
RA: 14.86 +/- 0.55 mas/yDec: -43.42 +/- 0.58 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 230.508 +18.513
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0824-05 ASAS J082941-0619.1 BD-05 2550
HD 71887 HIP 41664 HV 103
IRC -10196 RAFGL 1258 SAO 135976
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Variability type
SRB
Spectral type M6e-M8e
Mag. range
7.0 - 10.2 V
Discoverer --
Epoch
29 Dec 2007 (HJD 2454464.0) Ephemeris
Outburst --
Period 245.5 d
Rise/eclipse dur. 46%  (113 d)
Remarks
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1 GCVS Team Before 1952 <P> = 255d; since 1952 - see Table. The character And amplitude of light variations vary strongly.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 M.W.Mayall, JRAS Can 51, 308, 1957. 1957JRASC..51..308M
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 = 1.40H = 0.44K = 0.04J - K = 1.36
AllWISE W3 = -0.88W4 = -1.58W3 - W4 = 0.70
GALEX-DR5 NUV = 18.76
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 08 29 41.15 -06 19 07.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Binocular program
 LPV Program
 Percy's Unusual LPVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-06-09 04:39 UTC Period and epoch from ASAS-3 data.
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.

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