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Name
  ST Her  
AAVSO UID
000-BBW-616 (7875 observations)  
Constellation
Hercules Sequence
J2000.0
15 50 46.63 +48 28 58.8  (237.69429 +48.48300) Search nearby
B1950.0 15 49 16.74 +48 37 58.3
Proper motion
RA: -0.96 +/- 0.54 mas/yDec: -22.35 +/- 0.60 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 76.979 +49.443
Other names

(Internal only)
AAVSO 1547+48 AN 29.1903 BD+48 2334
HD 142143 HIP 77619 IRC +50246
SAO 45758    
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Variability type
SRB
Spectral type M6-7IIIaS
Mag. range
6.8 - 8.3 V
Discoverer --
Epoch
--
Outburst --
Period 144 d
Rise/eclipse dur. --
Remarks
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References
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1 The S-Type Asymptotic Giant Branch Stars RS Cnc, ST Her, OP Her And HR Peg 2005BaltA..14...41A
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 C.Payne-Gaposchkin, HA 118, N21, 1952. 1952AnHar.118....1P
4 J.G.Hagen, ASV IV, 1907. --
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Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
Revision History
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3 Otero, Sebastian Alberto 2011-07-25 14:57 UTC Range from AAVSO data. Period from 2005BaltA..14...41A.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.