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Name
  TZ Lyr  
AAVSO UID
000-BCW-291 (1729 observations)  
Constellation
Lyra Sequence
J2000.0
18 15 49.67 +41 06 38.1  (273.95697 +41.11059) Search nearby
B1950.0 18 14 14.18 +41 05 33.9
Proper motion
RA: -15.623 +/- 0.171 mas/yDec: -29.989 +/- 0.146 mas/ySource: Gaia DR1
Galactic coord. 68.486 +23.803
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J181549.67+410637.8 AAVSO 1812+41 ADS 11219 A
AN 26.1914 BD+41 3021 HIP 89498
NSVS 5380070 ROTSE1 J181549.57+410631.0  
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Variability type
EB/D
Spectral type F5V
Mag. range
10.87 - 11.85 V
Discoverer --
Epoch
28 Jun 1981 (HJD 2444784.4093) Ephemeris
Outburst --
Period 0.52882677 d  (12.691842 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 12.29m, 2.54", 2.5deg). Min II 11.05. P var. Min I = 2420669.480 + 0.5288234d*E (JD2420000 - 38000); since JD2438000 - see Table.
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References
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1 Bob Nelson's O-C files, 2016 --
2 M.E. Lohr et al., 2015, A&A, 578A, 136 2015A&A...578A.136L
3 S.J.Gettel, M.T.Geske, T.A.McKay, AJ 131, 621, 2006. 2006AJ....131..621G
4 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
5 C.R.D'Esterre, AN 198, 163, 1914. 1914AN....198..163D
6 CALEB - Catalog and AtLas of Eclipsing Binaries --
7 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
External Links
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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 = 9.86H = 9.70K = 9.56J - K = 0.30
AllWISE W1 = 9.25W2 = 9.28W3 = 9.30W4 = 9.19W1 - W2 = -0.03W3 - W4 = 0.11
APASS-DR9 B = 11.25V = 10.70g' = 10.96r' = 10.57i' = 10.55B - V = 0.55
GALEX-DR5 FUV = 19.87NUV = 14.81FUV - NUV = 5.06
Images
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Supporting Documents
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Revision History
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3 Bernhard, Klaus 2015-10-07 19:35 UTC Update from [2015A&A...578A.136L].
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.