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Details for Revision 4
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Name
  YY Her  
AAVSO UID
000-BCB-707 (14452 observations)  
Constellation
Hercules Sequence
J2000.0
18 14 34.18 +20 59 20.9  (273.64242 +20.98914) Search nearby
B1950.0 18 12 26.03 +20 58 21.9
Galactic coord. 48.144 +17.243
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J181434.19+205921.2 2MASS J18143419+2059213 2SXPS 95854
AAVSO 1810+20 AN 6.1919 AS 297
ASAS J181434+2059.3 ASAS J181434+2059.4 ASASSN-V J181434.14+205921.1
ATO J273.6424+20.9892 CMC 412559 CMC15 J181434.1+205921
CSI+20-18124 EM* AS 297 GSC 01579-00381
MHA 352-34 NPM1 +20.1133 NPM2 +20.0860
NSVS J1814344+205923 PPMX J181434.1+205921 TASS4 1638435
UCAC2 39172304 UCAC4 555-066556 USNO-A2.0 1050-10009575
USNO-B1.0 1109-0310878 WISE J181434.19+205921.2 WISEA J181434.18+205921.2
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Variability type
ZAND+ELL
Spectral type M2ep
Mag. range
11.1 - <14.0 B
Discoverer --
Epoch
25 Aug 1997 (HJD 2450686.2) Ephemeris
Outburst --
Period 589.5 d
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 0.12 ± 0.04 mas (distance 6 ± 1 kpc).
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References
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1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]		 2013arXiv1312.6063G
2 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]		 2013arXiv1312.6063G
3 M. Wiecek, M. Mikolajewski, T. Tomov, E. Swierczynski, C. Galan, P.
Wychudzki, 2010, arXiv:1003.0595v1 [astro-ph.SR]		 2010arXiv1003.0595W
4 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
6 G.H.Herbig, PASP 70, 605, 1958. 1958PASP...70..605H
7 L.Plaut, AN 244, 289, 1932. 1932AN....244..289P
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Supporting Documents
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Campaigns/Programs
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Schmeer, Patrick 2020-09-18 12:07 UTC Gaia DR2 position. Minimum magnitude from NPM1. Discoverer added from 1932AN....244..289P.
4 Admin, VSX 2013-12-27 05:49 UTC Update from [2013arXiv1312.6063G].
3 Admin, VSX 2010-03-05 02:43 UTC Update from [2010arXiv1003.0595W].
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.

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