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Latest Details
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Name
  QZ Ser  
AAVSO UID
000-BBW-756 (7644 observations)  
Constellation
Serpens Sequence
J2000.0
15 56 54.47 +21 07 19.1  (239.22696 +21.12197) Search nearby
B1950.0 15 54 42.94 +21 15 56.0
Galactic coord. 35.240 +47.491
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1WGA J1556.9+2108 2MASS J15565447+2107190 AAVSO 1552+21
APOP 56649+0033081 ASASSN-V J155654.51+210719.4 ATO J239.2270+21.1219
CMC15 J155654.4+210718 CSS_J155654.4+210718 Downes QZ Ser
GALEX J155654.5+210718 GSC2.3 N5S9033081 Gaia20bpv
Had V04 Had V4 PSO J155654.485+210719.061
SDSS J155654.47+210718.8 SDSS J155654.47+210719.0 USNO-A2.0 1050-07701593
USNO-B1.0 1111-0250029 WISE J155654.48+210719.3 WISEA J155654.46+210719.1
ZTF18abxxeny    
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Variability type
UGSU
Spectral type K4Ve
Mag. range
11.8 - 17.7 V
Discoverer Katsumi Haseda
Epoch
--
Outburst --
Period 0.08316078 d  (119.75152 min)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 3.1074 ± 0.0946 mas (distance 319 ± 10 pc).
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Alerts, 2020 (online data) --
2 Thorstensen, J. R.; et al., 2017, New or Improved Orbital Periods of
Cataclysmic Binaries
2017RNAAS...1...29T
3 T. Kato, 2013, vsnet-alert 15509 --
4 B.T. Gaensicke et al., 2009, arXiv:0905.3476v1 [astro-ph.SR] 2009arXiv0905.3476G
5 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
6 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
7 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
8 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2002PASP..114.1117T
9 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 2002PASP..114.1117T
10 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
11 K. Haseda; T. Kato, 1998, vsnet-obs #18349 --
12 T.Kato, VSNET Observations No.18349, 1998
(http://www.kusastro.kyoto-u.ac.jp/vsnet/Mail/obs18000/maillist.html).
--
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 = 15.65H = 15.07K = 14.68J - K = 0.97
AllWISE W1 = 14.62W2 = 14.56W3 = 12.67W1 - W2 = 0.06
GALEX-DR5 FUV = 18.95NUV = 18.79FUV - NUV = 0.16
SDSS-DR12 u = 18.47g = 17.91r = 17.21i = 16.88z = 16.68u - g = 0.56r - i = 0.33
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 15 56 54.47 +21 07 19.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 HST/COS CV program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
9 Schmeer, Patrick 2020-03-20 09:02 UTC Maximum magnitude from AAVSO data. Discoverer added from vsnet-obs 18349.
8 Otero, Sebastian Alberto 2018-09-18 03:09 UTC Range from AAVSO data. Gaia DR2 position.
7 Otero, Sebastian Alberto 2018-03-09 02:46 UTC Orbital period from 2017RNAAS...1...29T. PPMXL position.
6 Admin, VSX 2017-12-16 01:24 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
5 Admin, VSX 2013-03-18 02:50 UTC Update from [vsnet-alert 15509].
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-05-28 01:31 UTC Update from [2009arXiv0905.3476G].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.