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Details for Revision 2
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Name
  T Her  
AAVSO UID
000-BCB-468 (52839 observations)  
Constellation
Hercules Sequence
J2000.0
18 09 06.21 +31 01 16.2  (272.27587 +31.02117) Search nearby
B1950.0 18 07 12.63 +31 00 40.5
Galactic coord. 57.600 +22.029
Other names

(Internal only)
AAVSO 1805+31 ASASSN-V J180906.27+310116.0 BD+30 3137
HD 166382 HIP 88923 SAO 66680
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Variability type
M
Spectral type M2.5e-M8e
Mag. range
6.8 - 13.7 V
Discoverer --
Epoch
02 Dec 1982 (HJD 2445306) Ephemeris
Outburst --
Period 164.98 d
Rise/eclipse dur. 47%  (77.540600000000 d)
Remarks
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1 GCVS Team VB A (B 10m, 67", 321deg).
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References
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1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
2 T. Karlsson, Maxima of Mira stars --
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Location    Go   
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-01-18 17:32 UTC Period and epoch from AAVSO data.
3 Fernig, Leo 2022-04-22 13:34 UTC Discoverer updated from 1907AnHar..55....1C page 22
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.