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Latest Details
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Name
  DY Cyg  
AAVSO UID
000-BDN-316 (54 observations)  
Constellation
Cygnus Sequence
J2000.0
19 26 39.35 +28 32 39.9  (291.66396 +28.54442) Search nearby
B1950.0 19 24 39.39 +28 26 34.0
Galactic coord. 62.203 +5.637
Other names

(Internal only)
2MASS J19263934+2832399 AN 178.1928 IOMC 2137000058
IRAS 19246+2826 NSVS 8359533 UCAC4 593-082282
ZTF J192639.34+283239.8    
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Variability type
M
Spectral type --
Mag. range
13.1 - <16.7 V
Discoverer --
Epoch
30 Jun 1999 (HJD 2451360) Ephemeris
Outburst --
Period 348 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 13.6 mag. star 3" to the SW.
2 Otero, Sebastian Alberto NSVS and AAVSO V magnitudes contaminated by UCAC4 593-082279 (V= 13.6:; sep. 3"). NSVS magnitudes also contaminated by several other nearby stars. Range has been corrected.
3 GCVS Team Slow oscillations are superimposed by rapid ones with A = 0.3m [A.A.Wachmann, Bergd Abh V1, N4, 1966.]. According to [H.Gessner, VSS 7, H.2, 65, 1966.] type EB? Min = 2436659.531 + 0.6990d(:)*E (JD2436600 - 37000) [H.Gessner, VSS 7, H.2, 65, 1966.].
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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 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 Wozniak, P.R., et al., 2004, Northern Sky Variability Survey: Public Data
Release
2004AJ....127.2436W
5 A.A.Wachmann, Bergd Abh V1, N4, 1966. 1966AAHam...6..281W
6 C.Hoffmeister, Sonn Mitt N15, 1928. 1928MiSon..15....1H
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 = 6.92H = 5.96K = 5.46J - K = 1.46
AllWISE W1 = 5.50W2 = 5.01W3 = 4.36W4 = 3.73W1 - W2 = 0.49W3 - W4 = 0.63
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2013-10-05 00:42 UTC Phase plot with AAVSO V data and NSVS data corrected for light contamination.
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Revision History
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4 Otero, Sebastian Alberto 2021-10-26 10:35 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2013-10-05 00:42 UTC Primary record creation. Type, period, epoch and range from NSVS and AAVSO V data. UCAC4 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.