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Name
  Y Lyr  
AAVSO UID
000-BDT-548 (194 observations)  
Constellation
Lyra Sequence
J2000.0
18 37 13.20 +43 57 13.6  (279.30500 +43.95378) Search nearby
B1950.0 18 35 43.06 +43 54 35.0
Proper motion
RA: -5.2 +/- 1.7 mas/yDec: -5.0 +/- 1.9 mas/ySource: UCAC4
Galactic coord. 72.672 +20.868
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J183713.27+435713.8 AN 12.1900 BD+43 3030
CRTS J183713.2+435714 ROTSE1 J183713.13+435715.9  
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Variability type
RRAB/BL
Spectral type F5
Mag. range
12.58 - 13.9 V
Discoverer --
Epoch
31 Dec 1899 (HJD 2415020.2535) Ephemeris
Outburst --
Period 0.50269589 d  (12.064701 h)
Rise/eclipse dur. 14%
Remarks
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1 2017A&A...607A..11G Detected Blazhko period 82.7 d. (2017A&A...607A..11G).
2 GCVS Team Delta(S) = 0.8.
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References
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1 Greer, P. A.; Payne, S. G.; Norton, A. J.; et al., 2017, The SuperWASP
catalogue of 4963 RR Lyr stars: identification of 983 Blazhko effect
candidates
2017A&A...607A..11G
2 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
3 Eh.P.Strelkova, Perem. Zvezdy 14, N1, 30, 1962. 1962PZ.....14...30S
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1959ApJ...130..507P
5 V.P.Zessewitsch, Stars of RR Lirae Type (in russian), Kiev, 1966. --
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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 = 12.60H = 12.34K = 12.28J - K = 0.31
AllWISE W1 = 12.20W2 = 12.20W3 = 12.14W1 - W2 = 0.00
APASS-DR9 B = 13.90V = 13.46g' = 13.60r' = 13.34i' = 13.41B - V = 0.45
GALEX-DR5 FUV = 17.52NUV = 16.02FUV - NUV = 1.50
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2018-06-19 21:47 UTC Type from 2017A&A...607A..11G.
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.