TITLE: GCN CIRCULAR NUMBER: 24189 SUBJECT: LIGO/Virgo S190408an: Gaia Photometric Alerts transient candidates DATE: 19/04/25 16:20:31 GMT FROM: 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 S190408an (Singer et al. GCN 24069): --------------------------------------------------------------------------- Name TNSid Date [TCB] RaDeg DecDeg AlertMag URL --------------------------------------------------------------------------- Gaia19bla AT2019dpy 2019-04-19T01:28:39 357.26858 57.67220 18.66 http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19bla/ Gaia19bmd AT2019dur 2019-04-21T01:28:54 352.58222 60.82017 20.16 http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19bmd/ Gaia19bnd AT2019dyn 2019-04-15T15:47:08 336.45010 25.41967 16.52 http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19bnd/ --------------------------------------------------------------------------- Notes: Gaia19bmd - Gaia source declines by almost 2 mags over 3.5 months Acknowledgements: This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). 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.