[vsnet-grb-info 22090] LIGO/Virgo S190408an: Gaia Photometric Alerts transient candidates

[GCN Circulars]

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.p.kostrzewa at sron.nl>

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):

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Name      TNSid Date [TCB]          RaDeg DecDeg AlertMag URL

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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/
<http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19bmd/>


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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.