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Latest Details
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Name
  FL Lyr  
AAVSO UID
000-BCF-706 (13895 observations)  
Constellation
Lyra Sequence
J2000.0
19 12 04.87 +46 19 26.9  (288.02029 +46.32414) Search nearby
B1950.0 19 10 37.66 +46 14 17.6
Proper motion
RA: -0.134 +/- 0.100 mas/yDec: 45.912 +/- 0.096 mas/ySource: Gaia DR1
Galactic coord. 77.268 +15.933
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J191205.1+461931 2MASS J19120487+4619269 AAVSO 1909+46
AN 163.1935 ASASSN-V J191204.86+461927.1 BD+46 2641
HD 179890 HIP 94335 KIC 09641031
KIC 9641008 KID 09640985 KID 09641018
KID 09641031 KID 09641041 SAO 48190
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Variability type
EA/RS
Spectral type F8V+G8V:
Mag. range
9.27 - 9.89 V
Discoverer --
Epoch
02 May 2009 (HJD 2454954.13348) Ephemeris
Outburst --
Period 2.1781543 d
Rise/eclipse dur. 8%  (4.182 h)
Remarks
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1 Hinzel, David H. Flare events. Stellar cool spots.
2 GCVS Team Min II 9.52, DII = 0.05P.
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References
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1 Yoldas, E.; et al., 2016, Detailed Chromospheric Activity Nature of KIC
9641031
2016arXiv160309121Y
2 Bob Nelson's O-C files, 2016 --
3 G. Matijevic, A. Prsa, J.A. Orosz, W.F. Welsh, S. Bloemen, T. Barclay,
2012, AJ 143, 123
2012AJ....143..123M
4 Kepler Eclipsing Binary Catalog, 2012 (online) --
5 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] (Light curve) 2011arXiv1103.1659S
6 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] 2011arXiv1103.1659S
7 A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR] (Light curve) 2010arXiv1006.2815P
8 S.Cristaldi, Catania Publ, n.s., N68, 1965; Mem SAIt 36, fasc. 1, 1965. 1965MmSAI..36...77C
9 Sky and Tel 29, N5, 330, 1965. --
10 Kepler data (MAST) --
11 CALEB - Catalog and AtLas of Eclipsing Binaries --
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 = 8.24H = 7.99K = 7.90J - K = 0.34
AllWISE W1 = 7.88W2 = 7.90W3 = 7.90W4 = 7.78W1 - W2 = -0.03W3 - W4 = 0.11
APASS-DR9
GALEX-DR5 FUV = 19.42NUV = 13.85FUV - NUV = 5.57
Images
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Supporting Documents
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Revision History
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5 Hinzel, David H. 2016-10-07 21:10 UTC Type, elements, spectral type and eclipse duration from 2016arXiv160309121Y.
4 Admin, VSX 2011-03-13 04:40 UTC Update from [2011arXiv1103.1659S].
3 Admin, VSX 2010-06-19 01:57 UTC Update from [2010arXiv1006.2815P].
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.