AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  YY Her  
AAVSO UID
000-BCB-707 (14449 observations)  
Constellation
Hercules Sequence
J2000.0
18 14 34.19 +20 59 21.2  (273.64246 +20.98922) Search nearby
B1950.0 18 12 26.06 +20 58 22.1
Proper motion
RA: -3.1 +/- 2.5 mas/yDec: 1.0 +/- 1.3 mas/ySource: UCAC4
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
(Not logged in)  Add name
Variability type
ZAND+ELL
Spectral type M2ep
Mag. range
11.1 - 14.6 B
Discoverer Maximilian Franz Joseph Cornelius Wolf (Max Wolf)
Epoch
25 Aug 1997 (HJD 2450686.2) Ephemeris
Outburst --
Period 589.5 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Schmeer, Patrick Gaia DR2 parallax 0.12 ± 0.04 mas (distance 6 ± 1 kpc).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]
2013arXiv1312.6063G
2 M. Wiecek, M. Mikolajewski, T. Tomov, E. Swierczynski, C. Galan, P.
Wychudzki, 2010, arXiv:1003.0595v1 [astro-ph.SR]
2010arXiv1003.0595W
3 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 G.H.Herbig, PASP 70, 605, 1958. 1958PASP...70..605H
6 L.Plaut, AN 244, 289, 1932. 1932AN....244..289P
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
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 = 9.04H = 8.13K = 7.86J - K = 1.18
AllWISE W1 = 7.73W2 = 7.80W3 = 7.44W4 = 6.84W1 - W2 = -0.07W3 - W4 = 0.60
APASS-DR9 B = 13.90V = 12.88g' = 13.29r' = 12.29i' = 11.21B - V = 1.02
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Campaigns/Programs
 Legacy CVs
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.