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Name
  AW Her  
AAVSO UID
000-BCC-303 (558 observations)  
Constellation
Hercules Sequence
J2000.0
18 25 38.72 +18 17 40.2  (276.41133 +18.29450) Search nearby
B1950.0 18 23 26.89 +18 15 52.4
Proper motion
RA: 15.569 +/- 0.095 mas/yDec: 12.296 +/- 0.113 mas/ySource: Gaia DR1
Galactic coord. 46.675 +13.770
Other names

(Internal only)
1RXS J182538.4+181741 1SWASP J182538.72+181740.1 AAVSO 1821+18
AN 6.1928 ASAS J182538+1817.6 ASASSN-V J182538.68+181738.8
BD+18 3678 GSC 01573-00122 HD 348635
HIP 90312 PPM 134704 SVS 163
TYC 1573-122-1    
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Variability type
EA/AR/RS
Spectral type G2IV+K2IV
Mag. range
9.56 - 10.56 V
Discoverer --
Epoch
17 Apr 1929 (HJD 2425719.434) Ephemeris
Outburst --
Period 8.800793 d
Rise/eclipse dur. 7%  (14.79 h)
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by GSC 01573-01171 (V= 12.2; sep. 18"). Range has been corrected.
2 Dale, Horace A. The ASAS identification of 182537+1819.5 for AW Her is incorrect. Variability of this ASAS identifier should be associated with GSC 1573-0240.
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References
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1 Bob Nelson's O-C files, 2016 --
2 M. Kiraga, 2012, Acta Astronomica 62, 67 2012AcA....62...67K
3 Norton A.J. et al., 2007, astro-ph/0702631 2007astro.ph..2631N
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 Imbert, M., 2002, A&A, 387, 850 2002A&A...387..850I
6 D.S.Hall, J.M.Kreiner, AA 30, 387, 1980. 1980AcA....30..387H
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 = 7.93H = 7.45K = 7.34J - K = 0.60
AllWISE W1 = 7.17W2 = 7.28W3 = 7.19W4 = 7.04W1 - W2 = -0.10W3 - W4 = 0.15
APASS-DR9 B = 10.37V = 9.57g' = 9.92r' = 9.27i' = 9.06B - V = 0.79
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2015-04-14 23:45 UTC Range from ASAS-3, HIPPARCOS and APASS data. Period from ASAS-3 data. Spectral type from 2002A&A...387..850I.
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.