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Name
  ASAS J192916+4637.3  
AAVSO UID
000-BLY-195 (23679 observations)  
Constellation
Cygnus Sequence
J2000.0
19 29 15.95 +46 37 19.9  (292.31646 +46.62219) Search nearby
B1950.0 19 27 47.66 +46 31 02.5
Proper motion
RA: -10.8 +/- 0.5 mas/yDec: -4.4 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 78.801 +13.356
Other names

(Internal only)
1SWASP J192916.01+463719.9 2MASS J19291594+4637198 4XMM J192915.9+463720
ASAS 192916+4637.3 ASASSN-V J192915.86+463719.9 ATO J292.3164+46.6221
CMC15 J192915.9+463719 GALEX J192915.9+463719 GSC 03543-01211
KIC 09832227 KIC 9832227 KID 09832227
KIS J192915.94+463719.9 NSVS 5597755 NSVS 5620022
PPMX J192915.9+463719 TASS4 1758442 UCAC4 684-067807
URAT1 684-288845 WISE J192915.94+463719.8 WISEA J192915.93+463719.8
XMMOM J192915.9+463720 ZTF18aaposzn  
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Variability type
EW
Spectral type G5
Mag. range
12.27 - 12.46 V
Discoverer Andrzej Pigulski, Grzegorz Pojmański, Bogumił Pilecki, Dorota Maria Szczygieł (ASAS-3)
Epoch
02 May 2009 (HJD 2454953.9444) Ephemeris
Outburst --
Period 0.4579485 d  (10.99076 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Schmeer, Patrick A contact binary star merger and subsequent luminous red nova (LRN) event is no longer predicted for the year 2022.2 ± 0.7 (2018ApJ...864L..32S). The available timing data strongly support a model consisting of the known W UMa binary and a distant low-mass companion with an orbital period of ~13.5 years (2019A&A...631A.126K). Gaia DR2 parallax 1.680 ± 0.028 (distance 585 ± 10 pc, 2018AJ....156...58B).
2 Schmeer, Patrick Gaia DR2 parallax 1.6804 ± 0.0278 (distance 595 ± 10 pc).
3 Otero, Sebastian Alberto Period is decreasing. Luminous Red Nova (V838MON) candidate.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kovács, G.; Hartman, Joel D.; Bakos, G. Á., 2019, The hierarchical triple
nature of the former red nova precursor candidate KIC 9832227		 2019A&A...631A.126K
2 Kepler Eclipsing Binary Catalog - Third Revision, 2019 --
3 Socia, Q. J.; Welsh, W. F.; Short, D. R.; et al., 2018, KIC 9832227: using
Vulcan data to negate the 2022 red nova merger prediction		 2018ApJ...864L..32S
4 Bailer-Jones, C. A. L.; Rybizki, J.; Fouesneau, M.; et al., 2018,
Estimating distance from parallaxes. IV. Distances to 1.33 billion stars in
Gaia Data Release 2		 2018AJ....156...58B
5 Molnar, L. A.; Van Noord, D. M.; Kinemuchi, K.; et al., 2017, Prediction of
a red nova outburst in KIC 9832227		 2017ApJ...840....1M
6 Henden, A. A.; et al., 2016, AAVSO Photometric All Sky Survey (APASS) DR9 2016yCat.2336....0H
7 Frasca, A.; Molenda-Żakowicz, J.; De Cat, P.; et al., 2016, Activity
indicators and stellar parameters of the Kepler targets. An application of
the ROTFIT pipeline to LAMOST-Kepler stellar spectra		 2016A&A...594A..39F
8 Molnar, L. A.; Van Noord, D. M.; Steenwyk, S. D.; et al., 2015, A
prediction of a luminous red nova eruption		 2015AAS...22541505M
9 K. Kinemuchi, 2013, arXiv:1310.0544 [astro-ph.SR] 2013arXiv1310.0544K
10 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] (Light curve) 2011arXiv1103.1659S
11 R.W. Slawson et al., 2011, arXiv:1103.1659v1 [astro-ph.SR] 2011arXiv1103.1659S
12 A. Prsa et al., 2010, arXiv:1006.2815v1 [astro-ph.SR] (Light curve) 2010arXiv1006.2815P
13 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]		 2008arXiv0808.2558P
14 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)		 2008arXiv0808.2558P
15 ZTF observations (Lasair online data) --
16 Kepler data (MAST) --
External Links
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Location    Go   
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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 = 11.30H = 11.03K = 11.00J - K = 0.30
AllWISE W1 = 10.92W2 = 10.95W3 = 10.87W1 - W2 = -0.03
APASS-DR9 B = 13.08V = 12.35g' = 12.71r' = 12.20i' = 11.99B - V = 0.73
Images
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Supporting Documents
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Revision History
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8 Schmeer, Patrick 2020-10-09 11:41 UTC ZTF designation and reference added.
7 Schmeer, Patrick 2018-07-09 11:45 UTC Team of discoverers added from 2009AcA....59...33P.
6 Otero, Sebastian Alberto 2017-01-10 00:33 UTC Spectral type from 2016A&A...594A..39F. Period from 2011AJ....142..160S.
5 Otero, Sebastian Alberto 2016-06-21 19:42 UTC Range from ASAS-3, Kepler and APASS data.
4 Admin, VSX 2013-10-03 23:48 UTC Update from [2013arXiv1310.0544K].
3 Admin, VSX 2011-03-13 05:08 UTC Update from [2011arXiv1103.1659S].
2 Admin, VSX 2010-06-19 02:05 UTC Update from [2010arXiv1006.2815P].
1 Admin, VSX 2008-08-23 01:31 UTC Initial upload.

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