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Latest Details
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Name
  U Her  
AAVSO UID
000-BBX-488 (44105 observations)  
Constellation
Hercules Sequence
J2000.0
16 25 47.47 +18 53 32.9  (246.44779 +18.89247) Search nearby
B1950.0 16 23 34.79 +19 00 18.4
Proper motion
RA: -15.94 +/- 0.61 mas/yDec: -11.03 +/- 0.69 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 35.345 +40.351
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1621+19 ASAS J162548+1853.5 ASASSN-V J162547.52+185332.5
BD+19 3098 HD 148206 HIP 80488
HR 6119 IRC +20298 LINEAR 18255903
RAFGL 1858 SAO 102160  
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Variability type
M
Spectral type M6.5e-M9.5e
Mag. range
6.4 - 13.4 V
Discoverer Hencke, 1860
Epoch
28 May 2005 (HJD 2453519.0) Ephemeris
Outburst --
Period 405.9 d
Rise/eclipse dur. 44%  (179 d)
Remarks
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1 GCVS Team SiO, OH, H2O maser.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
[astro-ph.GA]
2013arXiv1308.0357P
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 T. Köhl, AN 196, 145, 1913. 1913AN....196..145K
4 T. Karlsson, Maxima of Mira stars --
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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Location    Go   
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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 = 0.86H = -0.23K = -0.63J - K = 1.49
AllWISE W3 = -2.01W4 = -3.08W3 - W4 = 1.06
APASS-DR9 B = 12.37V = 11.29g' = 12.34B - V = 1.08
GALEX-DR5 NUV = 19.87
SDSS-DR12 u = 11.20g = 10.85r = 8.20i = 10.44z = 5.42u - g = 0.36r - i = -2.24
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 25 47.47 +18 53 32.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Humps
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-19 01:47 UTC Period and epoch from AAVSO data.
4 Billiaert, Bruno 2015-12-06 00:34 UTC added reference and discoverer
3 Otero, Sebastian Alberto 2012-01-31 00:04 UTC Period, epoch and rise duration from ASAS-3 data.
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.