AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  GrAGVar002  
AAVSO UID
000-BPF-555 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 57 29.98 +31 25 02.6  (314.37492 +31.41739) Search nearby
B1950.0 20 55 25.45 +31 13 24.9
Galactic coord. 75.461 -9.168
Other names

(Internal only)
2MASS J20573000+3125025 ATO J314.3748+31.4173 WISEA J205730.01+312502.4
(Not logged in)  Add name
Variability type
EW
Spectral type --
Mag. range
17.47 - 17.82 V
Discoverer A. Ciarnella (GrAG), M. Grassi (GrAG), G. Mazzacurati (GrAG), L. Balestrieri Cosimelli (GrAG)
Epoch
15 Nov 2021 (HJD 2459534.378) Ephemeris
Outburst --
Period 0.309827 d  (7.4358 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Mazzacurati, Giorgio Uncertain identification. The range in the table is for the combined magnitudes of Gaia DR2 1864830617607276544 (V= 18.2, chosen as the variable star) and Gaia DR2 1864830617599091328 (V= 18.6; sep. 0.6”).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Heinze, A. N.; et al., 2018, A First Catalog of Variable Stars Measured by
the Asteroid Terrestrial-impact Last Alert System (ATLAS)		 2018AJ....156..241H
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.
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
2 Phase Plot Mazzacurati, Giorgio 2021-11-22 23:58 UTC Phase Plot
1 Field Mazzacurati, Giorgio 2021-11-21 12:24 UTC
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Mazzacurati, Giorgio 2021-11-23 15:29 UTC Period from 2018AJ....156..241H.

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]
172.30.1.145