Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
  AY Lyr  
000-BCD-108 (76269 observations)  
Lyra Sequence
18 44 26.69 +37 59 51.9  (281.11120 +37.99776) Search nearby
B1950.0 18 42 44.26 +37 56 42.4
Proper motion
RA: -21.1 +/- 12.9 mas/yDec: 0.4 +/- 11.3 mas/ySource: UCAC4
Galactic coord. 67.214 +17.585
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1841+37 AN 330.1928 ATO J281.1111+37.9977
Downes AY Lyr GSC2.3 N206007799 Gaia19dwr
KIC 2680232 UCAC4 640-060799 URAT1 640-246175
USNO-A2.0 1275-10304294 USNO-B1.0 1279-0364076 X 18389+378
(Not logged in)  Add name
Variability type
Spectral type pec(UG)
Mag. range
12.5 - 18.4 B
Discoverer --
Outburst --
Period 0.0733 d  (105.6 min)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team Cycles of supermaxima 188.9d - 212.8d. Superhumps period: Ps = 0.07552d [J.Patterson, AJ 84, N6, 804, 1979.].
(Not logged in)  Add remark
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Alerts, 2019 (online data) --
2 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
3 Urban, J. A.; Sion, E.M., 2006, The Dwarf Novae during Quiescence 2006ApJ...642.1029U
4 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
5 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
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.
AllWISE W1 = 15.27W2 = 14.86W1 - W2 = 0.41
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
 Legacy CVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-05-14 20:41 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2019-09-05 15:32 UTC Gaia DR2 position.
3 Otero, Sebastian Alberto 2018-02-16 18:01 UTC Orbital period from 2006ApJ...642.1029U.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.