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Latest Details
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Name
  DG Hya  
AAVSO UID
000-BBQ-119 (5554 observations)  
Constellation
Hydra Sequence
J2000.0
08 58 06.36 -05 26 25.2  (134.52650 -5.44032) Search nearby
B1950.0 08 55 37.17 -05 14 45.4
Proper motion
RA: -17.7 +/- 2.1 mas/yDec: -15.8 +/- 1.4 mas/ySource: UCAC4
Galactic coord. 233.781 +24.954
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J085806.35-052625.5 AAVSO 0853-05 AN 202.1932
ASAS J085806-0526.4 CSS_J085806.3-052624 NSVS 12929279
UCAC4 423-050461    
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Variability type
RRAB/BL
Spectral type A0
Mag. range
11.567 - 12.585 V
Discoverer --
Epoch
08 Feb 2000 (HJD 2451582.61) Ephemeris
Outburst --
Period 0.7542412 d  (18.10179 h)
Rise/eclipse dur. 15%
Remarks
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References
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1 Greer, P. A.; Payne, S. G.; Norton, A. J.; et al., 2017, The SuperWASP
catalogue of 4963 RR Lyr stars: identification of 983 Blazhko effect
candidates
2017A&A...607A..11G
2 D.M. Bramich, K.A. Alsubai, A. Arellano Ferro et al., 2014, IBVS 6106 2014IBVS.6106....1B
3 Drake, A. J.; et al., 2013, RRab stars from Mount Lemmon Survey (MLS) and
Catalina Schmidt Survey (CSS)
2013ApJ...765..154D
4 D.M. Szczygiel, G. Pojmanski, B. Pilecki, 2009, arXiv:0906.2199v1
[astro-ph.SR]
2009arXiv0906.2199S
5 Wils P., Lloyd C., Bernhard K., 2006, MNRAS 368, 1757 2006MNRAS.368.1757W
6 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
7 C.Hoffmeister, AN 247, 281, 1933. 1933AN....247..281H
8 G.S.Tsarevskij, SAC N36, 1964. --
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 = 11.07H = 10.96K = 10.94J - K = 0.13
AllWISE W1 = 10.93W2 = 10.91W3 = 10.83W1 - W2 = 0.01
APASS-DR9 B = 12.57V = 12.23g' = 12.17r' = 12.04i' = 12.03B - V = 0.33
GALEX-DR5 FUV = 18.98NUV = 15.21FUV - NUV = 3.77
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2016-05-30 18:48 UTC Update from 2013ApJ...765..154D. UCAC4 position.
4 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2009-06-18 21:53 UTC Update from [2009arXiv0906.2199S].
2 Admin, VSX 2007-03-23 16:03 UTC Update from [2006MNRAS.368.1757W].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.