2018MNRAS.474..411B

Query : 2018MNRAS.474..411B

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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Number of rows : 47
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 PSST 15csf SN* 02 26 02.24 +17 03 40.4           SNII 4 0
2 PSST 15dpn SN* 02 32 59.75 +18 38 07.0           SNIbn 11 0
3 PSN J02331624+1915252 SN* 02 33 16.2718769808 +19 15 24.722066016           SNIIn 4 0
4 iPTF 15fdv SN* 02 34 45.62 +18 20 37.7           SNII 4 0
5 [BBC2018] VSTJ038.84617+19.33631 SN? 02 35 23.08 +19 20 10.7           ~ 1 0
6 2MASX J02363494+1812327 G 02 36 34.9289920344 +18 12 32.466124872           ~ 2 0
7 [BBC2018] VSTJ039.14621+18.21061 SN? 02 36 35.09 +18 12 38.2           ~ 1 0
8 PSST 15don SN* 02 37 11.44 +19 03 20.2           SNIa 2 0
9 PSST 16bqa SN? 02 38 57.24 +18 10 40.4           ~ 2 0
10 PSST 15dox SN* 02 40 15.05 +22 32 12.1           SNIa 3 0
11 PSST 16kx SN? 02 44 42.28 +22 36 39.5           ~ 2 0
12 PSST 15doy SN* 02 47 54.16 +21 46 24.0           SNIa 2 0
13 [BBC2018] VSTJ045.37163+28.65375 SN? 03 01 29.1839981472 +28 39 13.589646984           ~ 1 0
14 2MASX J03060262+2742176 G 03 06 02.625 +27 42 17.61           ~ 1 0
15 [BBC2018] VSTJ046.51175+27.70492 SN? 03 06 02.82 +27 42 17.7           ~ 1 0
16 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 940 1
17 PSST 16ky SN? 03 22 34.61 +30 36 07.1           ~ 2 0
18 [BBC2018] VSTJ054.55560-57.56763 SN? 03 38 13.34 -57 34 03.5           ~ 1 0
19 LEDA 145743 G 03 38 14.4 -57 34 01           ~ 2 0
20 2MASX J03450711-5754466 G 03 45 07.117 -57 54 46.62           ~ 1 0
21 [BBC2018] VSTJ056.28055-57.91392 SN? 03 45 07.33 -57 54 50.1           ~ 1 0
22 [BBC2018] VSTJ057.77559-59.13990 SN? 03 51 06.14 -59 08 23.6           ~ 1 0
23 2MASX J03510664-5908196 G 03 51 06.645 -59 08 19.62   16.73   15.80   ~ 4 0
24 [BBC2018] VSTJ060.54727-59.91890 SN? 04 02 11.34 -59 55 08.0           ~ 1 0
25 [BBC2018] VSTJ060.54735-59.91899 SN? 04 02 11.36 -59 55 08.4           ~ 1 0
26 [BBC2018] VSTJ061.20106-59.98816 SN? 04 04 48.25 -59 59 17.4           ~ 1 0
27 LEDA 367032 G 04 04 48.7 -59 59 13           ~ 2 0
28 GRB 150827A gB 04 33 12.0 -60 00 00           ~ 1 0
29 OGLE15oa SN* 04 36 25.67 -62 47 51.9           SNIa 3 0
30 [BBC2018] VSTJ069.55973-64.47081 SN? 04 38 14.34 -64 28 14.9           ~ 1 0
31 [BBC2018] VSTJ069.55986-64.47089 SN? 04 38 14.37 -64 28 15.2           ~ 1 0
32 GALEXMSC J044652.36-655349.9 UV 04 46 52.36 -65 53 49.9           ~ 1 0
33 OGLE 2014-SN-94 SN? 04 46 52.4121737856 -65 53 50.330525280           ~ 4 0
34 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17427 0
35 SN 2010bh SN* 07 10 30.63 -56 15 19.7           SNIc 287 1
36 SN 2015J SN* 07 35 05.1962208240 -69 07 53.081700960           SNIIn 8 1
37 SN 2015F SN* 07 36 15.76 -69 30 23.0           SNIa 79 1
38 NGC 2442 LIN 07 36 23.7700545576 -69 31 50.997856332 11.47 11.15 10.42 9.71 10.4 ~ 221 1
39 2MASX J07583212-6642474 G 07 58 32.128 -66 42 47.42   17.05   15.69   ~ 6 0
40 [BBC2018] VSTJ119.64230-66.71255 SN? 07 58 34.15 -66 42 45.2           ~ 1 0
41 [BBC2018] VSTJ119.64244-66.71264 SN? 07 58 34.19 -66 42 45.5           ~ 1 0
42 SN 2003lw SN* 08 02 30.1 -39 51 03       20.23   SNIc: 548 0
43 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 764 1
44 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1820 2
45 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 191 1
46 GrW 151226 GWE ~ ~           ~ 257 1
47 GrW 150914 GWE ~ ~           ~ 589 1

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