SIMBAD references

2018MNRAS.474..411B - Mon. Not. R. Astron. Soc., 474, 411-426 (2018/February-2)

GRAWITA: VLT Survey Telescope observations of the gravitational wave sources GW150914 and GW151226.

BROCATO E., BRANCHESI M., CAPPELLARO E., COVINO S., GRADO A., GRECO G., LIMATOLA L., STRATTA G., YANG S., CAMPANA S., D'AVANZO P., GETMAN F., MELANDRI A., NICASTRO L., PALAZZI E., PIAN E., PIRANOMONTE S., PULONE L., ROSSI A., TOMASELLA L., AMATI L., ANTONELLI L.A., ASCENZI S., BENETTI S., BULGARELLI A., CAPACCIOLI M., CELLA G., DADINA M., DE CESARE G., D'ELIA V., GHIRLANDA G., GHISELLINI G., GIUFFRIDA G., IANNICOLA G., ISRAEL G., LISI M., LONGO F., MAPELLI M., MARINONI S., MARRESE P., MASETTI N., PATRICELLI B., POSSENTI A., RADOVICH M., RAZZANO M., SALVATERRA R., SCHIPANI P., SPERA M., STAMERRA A., STELLA L., TAGLIAFERRI G., TESTA V. (The GRAWITA - GRAvitational Wave Inaf TeAm)

Abstract (from CDS):

We report the results of deep optical follow-up surveys of the first two gravitational-wave sources, GW150914 and GW151226, done by the GRAvitational Wave Inaf TeAm Collaboration (GRAWITA). The VLT Survey Telescope (VST) responded promptly to the gravitational wave alerts sent by the LIGO and Virgo Collaborations, monitoring a region of 90 and 72 deg2 for GW150914 and GW151226, respectively, and repeated the observations over nearly two months. Both surveys reached an average limiting magnitude of about 21 in the r band. The paper describes the VST observational strategy and two independent procedures developed to search for transient counterpart candidates in multi-epoch VST images. Several transients have been discovered but no candidates are recognized to be related to the gravitational wave events. Interestingly, among many contaminant supernovae, we find a possible correlation between the supernova VSTJ57.77559-59.13990 and GRB 150827A detected by Fermi-GBM. The detection efficiency of VST observations for different types of electromagnetic counterparts of gravitational wave events is evaluated for the present and future follow-up surveys.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): gravitational wave - stars: black holes - techniques: image processing - gamma-ray burst: Individual: GRB150827A

Nomenclature: Text, Tables 4-5: [BBC2018] VSTJDDD.ddddd+DD.ddddd N=28.

Simbad objects: 47

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2020.02.19-16:02:56

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