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Name
KID 02856960
AAVSO UID
Constellation
J2000.0
B1950.0
19 27 46.23 +37 58 18.8
Proper motion
RA: -11.1 +/- 3.9 mas/y Dec: -20.0 +/- 3.8 mas/y Source: UCAC4
Galactic coord.
71.010 +9.516
Other names(Internal only)
1SWASP J192931.54+380436.2
2MASS J19293152+3804359
ASASSN-V J192931.52+380435.9
GSC2.3.2 N2JO150719
KIC 02856960
KIC 2856960
UCAC3 257-155253
USNO-B1.0 1280-0393819
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Variability type
EA+EA
Spectral type
--
Mag. range
15.615 (0.071) Kp
Discoverer
--
Epoch
Outburst
--
Period
0.2585082 d (6.20420 h)
Rise/eclipse dur.
16% (0.993 h)
Remarks
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1
2012arXiv1208.3591A
Transit-like features in the light curve occur every 204.2 days, lasting 1.26 days (5 orbital periods) with multiple fading events.
2
Otero, Sebastian Alberto
Also eclipses with elements BJD 2454997.743313 + 204.2163 x E and approximate eclipse duration 1.26 d.
This may be a low mass eclipsing binary orbited by a transiting planet or a triple system made up of a very low mass eclipsing binary orbiting a K-type dwarf.
Amplitude given is for the deepest crossing during the third body passage. Amplitude of the low binary eclipses are 0.013 and 0.011 mag.
3
Jansen, R
J-K= 0.578.
Not resolved by SuperWASP due to low amplitude.
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References
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1
J.W. Lee, S.-L. Kim, C.-U. Lee, 2012, arXiv:1211.2262 [astro-ph.SR]
2012arXiv1211.2262L
2
D. Armstrong, D. Pollacco, C. A. Watson et al., 2012, arXiv:1208.3591v1
2012arXiv1208.3591A
3
Armstrong, D., et al., 2012, A transiting companion to the eclipsing binary
2012arXiv1208.3591A
4
R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR]
2011arXiv1103.1659S
5
R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] (Light curve)
2011arXiv1103.1659S
6
A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR]
2010arXiv1006.2815P
7
A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR] (Light curve)
2010arXiv1006.2815P
8
Kepler data (MAST)
--
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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 = 13.97 H = 13.42 K = 13.39 J - K = 0.58
AllWISE
W1 = 13.32 W2 = 13.36 W1 - W2 = -0.05
SDSS-DR12
u = 18.49 g = 16.37 r = 15.55 i = 15.22 z = 15.03 u - g = 2.11 r - i = 0.33
Images
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Supporting Documents
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Revision History
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6
Admin, VSX
2012-11-14 02:32 UTC
Update from [2012arXiv1211.2262L ].
5
Admin, VSX
2012-08-20 23:19 UTC
Update from [2012arXiv1208.3591A ].
4
Otero, Sebastian Alberto
2012-08-20 22:56 UTC
Type, eclipse duration, period, amplitude and remarks from Armstrong et al. (2012).
3
Admin, VSX
2011-03-13 05:06 UTC
Update from [2011arXiv1103.1659S ].
2
Jansen, R
2011-01-09 17:23 UTC
Added: amplitude, phase plot, synonyms, remarks.
1
Admin, VSX
2010-06-19 01:56 UTC
Preserved original object data.
