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Name
  AD Her  
AAVSO UID
000-BDB-934 (1486 observations)  
Constellation
Hercules Sequence
J2000.0
18 50 00.30 +20 43 17.0  (282.50125 +20.72139) Search nearby
B1950.0 18 47 51.24 +20 39 44.6
Galactic coord. 51.393 +9.587
Other names

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AAVSO 1845+20 ADS 11729 A ASAS J185000+2043.2
BD+20 3950 HD 349425 HIP 92414
HV 3589    
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Variability type
EA/SD
Spectral type A4V+K2
Mag. range
9.7 - 11.17 V
Discoverer --
Epoch
28 Aug 1965 (HJD 2439001.1348) Ephemeris
Outburst --
Period 9.76657 d
Rise/eclipse dur. 11%  (25.8 h)
Remarks
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1 GCVS Team VB A (B 11.97m, 5", 189deg). d = 0.033P. Min II 9.79.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1978PASP...90..312B
3 SAC N47, 1975. --
4 Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen 1922AN....215..185H
5 CALEB - Catalog and AtLas of Eclipsing Binaries --
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Supporting Documents
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Revision History
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3 Fernig, Leo 2023-03-29 20:26 UTC Discoverer updated from 1922AN....215..185H page 192.
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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