AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  2MASS J19450074+1907311  
AAVSO UID
--  
Constellation
Sagitta Sequence
J2000.0
19 45 00.74 +19 07 31.2  (296.25308 +19.12533) Search nearby
B1950.0 19 42 47.77 +19 00 12.2
Galactic coord. 55.998 -2.601
Other names

(Internal only)
IRAS 19427+1900 USNO-A2.0 1050-14704821 USNO-B2.0 1091-0426713
WISEA J194500.74+190731.2    
(Not logged in)  Add name
Variability type
M:
Spectral type --
Mag. range
>15.4 - <16.8 R
Discoverer Trygve Prestgard
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2020arXiv200508662C Epoch of minimum given. g-band period= 418.3664365 d. r-band period= 196.9306067 d.
2 Prestgard, Trygve Range from USNO-B1.0. J-K= 1.94 (2MASS). 2MASS position.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 Discovery POSS/DSS images Prestgard, Trygve 2016-09-04 23:56 UTC The variable nature of 2MASS 19450074+1907311 was discovered online through (these) archival POSSI and II images. The images clearly show the star varying in brightness.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2021-10-26 01:50 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
1 Prestgard, Trygve 2016-09-16 01:24 UTC Initial submission.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.3.74