Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 26397

LIGO/Virgo S191205ah: Gaia Photometric Alerts transient candidates
2019-12-12T17:52:26Z (4 years ago)
Deepak Eappachen at SRON Netherlands <>
Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU),
S. Hodgkin, A. Delgado, D.L. Harrison, M.van Leeuwen, G. Rixon,
A. Yoldas (IoA Cambridge), P.G. Jonker(SRON/RU) on behalf of Gaia Alerts team
report the discovery of a transient candidates within the probability skymap of
S191205ah(LIGO/VIRGO Collaboration GCN 26350):

Name      TNSid     Date [TCB]       RaDeg     DecDeg    AlertMag URL

Gaia19fmm AT2019wfa 2019-12-09T13:11:48.  326.25358   9.12383  18.21

Gaia19fmq  AT2019wjv<> 2019-12-10T11:05:29. 178.33808   -57.66511 18.60

Gaia19fmi AT2019wjr 2019-12-10T04:51:50 165.04092   -45.27869. 16.25

Gaia19fmo AT2019wju 2019-12-10T06:35:55    318.35655   -24.05087 18.84


Notes: Gaia19fmm- candidate SN near galaxy 2MASX J21450093+0907205
Gaia19fmq- candidate SN near galaxy WISEA J115321.43-573952.2
Gaia19fmi - apparently hostless blue transient
Gaia19fmo - candidate SN near galaxy 2MASX J21132548-2403004

Acknowledgements: This work has made use of data from the European Space
Agency (ESA) mission Gaia (, processed by
the Gaia Data Processing and Analysis Consortium (DPAC, Funding for the DPAC
has been provided by national institutions, in particular the institutions
participating in the Gaia Multilateral Agreement. ZKR acknowledges funding
from the Netherlands Research School for Astronomy (NOVA). DE, and PGJ
acknowledge support from the European Research Council under ERC
Consolidator Grant agreement no 647208.
Looking for U.S. government information and services? Visit