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GCN Circular 24354

LIGO/Virgo S190425z: Gaia Photometric Alerts transient candidates
2019-04-30T15:16:32Z (5 years ago)
Zuzanna Kostrzewa-Rutkowska at SRON <>
Z. Kostrzewa-Rutkowska (SRON/RU), S. Hodgkin, A. Delgado, D.L. Harrison, M.
van Leeuwen, G. Rixon, A. Yoldas (IoA Cambridge), D. Eappachen, P.G. Jonker
(SRON/RU) on behalf of Gaia Alerts team report the discovery of transient
candidates within the probability skymap of S190425z (LIGO/VIRGO
Collaboration GCN 24168):


Name      TNSid Date [TCB]          RaDeg DecDeg AlertMag URL


Gaia19bpt AT2019ehz 2019-04-29T06:51:22 212.42448 55.49114 18.49
Gaia19bps <>
AT2019ehy 2019-04-28T22:13:01 80.97925 -67.87885 15.78

Gaia19bpr AT2019ehx 2019-04-29T04:14:24 83.92087 -66.86490 14.19


Gaia19bpt - galaxy SDSS J140941.88+552928.1 brightens by 2 mag
Gaia19bps - blue source brightens by 0.4 mag
Gaia19bpr - HMXB RX J0535.6-6651 brightens by 1 mag

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, DE, and PGJ
acknowledge support from the European Research Council under ERC
Consolidator Grant agreement no 647208.
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