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Latest Details
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Name
  IRAS 19400+3415  
AAVSO UID
000-BMK-903 (No observations)  
Constellation
Cygnus Sequence
J2000.0
19 41 54.06 +34 22 26.8  (295.47523 +34.37412) Search nearby
B1950.0 19 40 01.58 +34 15 19.4
Galactic coord. 68.908 +5.567
Other names

(Internal only)
2MASS J19415405+3422269 GSC2.3 N2GT361539 SDSS J194154.05+342226.8
USNO-B1.0 1243-0346197 ZTF J194154.05+342226.7  
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Variability type
M
Spectral type --
Mag. range
19.950 (2.297) r
Discoverer Trygve Prestgard
Epoch
21 Jan 2019 (HJD 2458505.156) Ephemeris
Outburst --
Period 480 d
Rise/eclipse dur. --
Remarks
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1 2020arXiv200508662C Epoch of minimum given. r-band period= 738.2752341 d.
2 Prestgard, Trygve Position from 2MASS. Maximum magnitude from GSC2.3. Minimum magnitude derived from the limiting magnitude of the DSS POSS-E Red plate. J= 9.35; J-K= 2.61 (2MASS).
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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
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 = 9.35H = 7.87K = 6.74J - K = 2.60
AllWISE W1 = 5.93W2 = 4.83W3 = 2.49W4 = 1.22W1 - W2 = 1.09W3 - W4 = 1.27
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 19 41 54.06 +34 22 26.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Discovery images Prestgard, Trygve 2017-09-14 20:25 UTC Object first noticed in AllWISE. Variability confirmed by SDSS, Pan-STARRS1 and DSS Red images.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2021-10-26 04:40 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
1 Prestgard, Trygve 2017-09-15 03:46 UTC Initial submission.

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