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Name
  X Her  
AAVSO UID
000-BBW-906 (59382 observations)  
Constellation
Hercules Sequence
J2000.0
16 02 39.17 +47 14 25.3  (240.66321 +47.24036) Search nearby
B1950.0 16 01 08.81 +47 22 36.0
Proper motion
RA: -68.49 +/- 0.37 mas/yDec: 64.65 +/- 0.43 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 74.464 +47.786
Other names

(Internal only)
2MASS J16023917+4714250 AAVSO 1559+47 ASASSN-V J160239.12+471424.1
BD+47 2291 HD 144205 HIP 78574
IRC +50248 RAFGL 5317 SAO 45863
TIC 417582774 TYC 3491-136-1 WISEA J160239.10+471425.9
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Variability type
SRB
Spectral type M6e
Mag. range
5.8 - 7.0 V
Discoverer John Gore (1890)
Epoch
--
Outburst --
Period 102 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period is 178 d.
2 GCVS Team P2 = 746d.
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References
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1 Lebzelter, T.; Kiss, L.L. (2001) 2001A&A...380..388L
2 Multiperiodicity in semiregular variables. I. General properties 1999A&A...346..542K
3 C.Payne-Gaposchkin, HA 118, N21, 1952. 1952AnHar.118....1P
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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 = -0.12H = -0.92K = -1.32J - K = 1.20
AllWISE W3 = -1.99W4 = -3.03W3 - W4 = 1.04
SDSS-DR12 u = 9.00g = 14.45r = 9.47i = 14.19z = 4.38u - g = -5.45r - i = -4.72
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
Revision History
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5 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 18
4 Otero, Sebastian Alberto 2011-06-29 02:06 UTC Maximum magnitude from reference.
3 Otero, Sebastian Alberto 2011-06-08 22:28 UTC Period updated. Range from AAVSO V-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.