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Name
  V1318 Cyg  
AAVSO UID
000-BDC-283 (22 observations)  
Constellation
Cygnus Sequence
J2000.0
20 20 30.61 +41 21 26.7  (305.12754 +41.35742) Search nearby
B1950.0 20 18 44.99 +41 11 53.2
Galactic coord. 78.870 +2.760
Other names

(Internal only)
2MASS J20203060+4121266 AAVSO 2017+41A Cl* NGC 6910 MS 10
GSC2.3 N30W091845 HBC 691 IPHAS J202030.59+412126.4
JP11 5301 LkHA 225 LkHA 225-S
RAFGL 2557 SDSS J202030.53+412128.7 UGPS J202030.59+412126.3
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Variability type
UXOR:
Spectral type B5.5Vea
Mag. range
14.9 - <23.5 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Resolved as two stars. V1318 Cyg S and V1318 Cyg N (5" apart). This is the Southern component. (2019A&A...625A..13M)
2 Otero, Sebastian Alberto VSP Note: V1318 Cyg N is 5" to the N.
3 Otero, Sebastian Alberto J-K= 4.28. It gradually faded betwen 1990 and 1997 until it became undetectable.
4 GCVS Team LkH alpha 225. Associated with a cometary nebula.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
3 Magakian, T. Yu.; Movsessian, T. A.; Andreasyan, H. R.; et al., 2019, New
powerful outburst of the unusual young star V1318 Cygni S (LkHα 225) 		2019A&A...625A..13M
4 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties		 2018A&A...616A...1G
5 Herbst, W.; Shevchenko, V. S., 1999, A Photometric Catalog of Herbig AE/BE
Stars and Discussion of the Nature and Cause of the Variations of UX
Orionis Stars		 1999AJ....118.1043H
6 Herbst, W.; Shevchenko, V. S., 1999, A Photometric Catalog of Herbig AE/BE
Stars and Discussion of the Nature and Cause of the Variations of UX
Orionis Stars		 1999AJ....118.1043H
7 Terranegra, L.; et al., 1994, Uvbybeta photometry of Orion population stars
and related objects associated with six star forming regions		 1994A&AS..104..557T
8 W.Wenzel, MVS 8, H.10, 182, 1980. --
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2021-10-26 09:19 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
5 Otero, Sebastian Alberto 2020-05-15 00:48 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2019-12-19 04:38 UTC Primary name, spectral type and range from 2019A&A...625A..13M. Gaia DR2 position.
3 Otero, Sebastian Alberto 2014-07-16 04:11 UTC Spectral type from 1994A&AS..104..557T. Type and range from 1999AJ....118.1043H. 2MASS position.
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.

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