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Name
  NSV 12175  
AAVSO UID
000-BDC-069 (No observations)  
Constellation
Cygnus Sequence
J2000.0
19 34 23.91 +30 41 36.6  (293.59963 +30.69350) Search nearby
B1950.0 19 32 26.52 +30 35 00.1
Proper motion
RA: 0.2 +/- 7.0 mas/yDec: -16.0 +/- 7.1 mas/ySource: UCAC4
Galactic coord. 64.905 +5.171
Other names

(Internal only)
2MASS J19342391+3041366 AAVSO 1930+30C GSC2.3 N2GL008903
NPM2 +30.1408 SVS 1526  
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Variability type
EA
Spectral type F
Mag. range
14.10 - 14.46 r
Discoverer --
Epoch
25 Jul 2019 (HJD 2458689.876) Ephemeris
Outburst --
Period 20.7594 d
Rise/eclipse dur. 2.1%  (0.44 d)
Remarks
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1 Nasonov, Dmitry Eccentric system. Min II = 14.46 r. at phase 0.665.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview
2023A&A...674A..26C
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
4 Tonry, J. L.; et al., 2018, ATLAS: A High-cadence All-sky Survey System 2018PASP..130f4505T
5 Chambers, K. C.; et al., 2016, The Pan-STARRS1 Surveys 2016arXiv161205560C
6 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
7 N.E.Kurochkin, Perem Zvezdy 16, No.4, 460, 1968. 1968PZ.....16..460K
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 = 13.03H = 12.82K = 12.70J - K = 0.34
AllWISE W1 = 12.44W2 = 12.45W3 = 9.33W4 = 7.59W1 - W2 = -0.01W3 - W4 = 1.74
Images
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Supporting Documents
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2 NSV 12175 second phase plot Nasonov, Dmitry 2024-03-10 21:34 UTC Light curve from ZTF DR20, ATLAS, PS1 and Gaia photometry data folded with one third of the orbital period
1 NSV 12175 phase plot Nasonov, Dmitry 2024-03-10 21:31 UTC Light curve from ZTF DR20, ATLAS, PS1 and Gaia photometry data folded with the best orbital period
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Revision History
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3 Nasonov, Dmitry 2024-03-10 19:58 UTC Type, range, period, epoch and eclipse duration from ZTF DR20, ATLAS, Pan-STARRS1 and Gaia DR3 data. Gaia DR3 position. Spectral type from 2023A&A...674A..26C.
2 Admin, VSX 2007-03-23 20:07 UTC Position from the Lick NPM2 catalog [2004AJ....128.1430H].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.