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Name
  VX Her  
AAVSO UID
000-BBX-595 (10895 observations)  
Constellation
Hercules Sequence
J2000.0
16 30 40.73 +18 22 00.2  (247.66972 +18.36671) Search nearby
B1950.0 16 28 27.73 +18 28 24.4
Proper motion
RA: -51.064 +/- 0.160 mas/yDec: 20.053 +/- 0.133 mas/ySource: Gaia DR1
Galactic coord. 35.224 +39.083
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1626+18 AN 30.1917 ASAS J163041+1822.0
BD+18 3186 CSS_J163040.7+182200 HIP 80853
HV 3425 ROTSE1 J163040.73+182159.5  
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Variability type
RRAB
Spectral type A4-F4
Mag. range
9.913 - 11.177 V
Discoverer --
Epoch
09 Apr 2005 (HJD 2453470.2068) Ephemeris
Outburst --
Period 0.4553595 d  (10.92863 h)
Rise/eclipse dur. 14%  (1.530 h)
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team Delta(S) = 5. P var; nonlinear term: -0.00745d (E:10000)**2. According to [W.S.Fitch, W.Z.Wisniewski, H.L.Johnson, Arizona Comm N71, 1966.], a member of an eclipsing binary system.
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References
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1 A.J. Drake, M. Catelan, S.G. Djorgovski et al., 2012, arXiv:1211.2866
[astro-ph.GA]
2012arXiv1211.2866D
2 D.M. Szczygiel, G. Pojmanski, B. Pilecki, 2009, arXiv:0906.2199v1
[astro-ph.SR]
2009arXiv0906.2199S
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
5 V.P.Zessewitsch, Stars of RR Lirae Type (in russian), Kiev, 1966. --
6 M.Esch, AN 208, 9, 1918. 1919AN....208....9E
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 = 9.67H = 9.56K = 9.51J - K = 0.16
AllWISE W1 = 9.59W2 = 9.58W3 = 9.50W4 = 8.44W1 - W2 = 0.00W3 - W4 = 1.06
APASS-DR9 B = 11.49V = 11.10g' = 11.24r' = 10.99i' = 10.84B - V = 0.39
GALEX-DR5 FUV = 19.82NUV = 14.05FUV - NUV = 5.76
SDSS-DR12 u = 15.27g = 11.26r = 10.82i = 10.74z = 11.27u - g = 4.01r - i = 0.08
Images
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Supporting Documents
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Revision History
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4 Admin, VSX 2013-01-02 22:32 UTC Update from [2012arXiv1211.2866D].
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-06-18 21:59 UTC Update from [2009arXiv0906.2199S].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.