GRB091210_101012_SWIFT at TAROT Calern observatory

TAROT Calern observatory log of images

AL_20091210_174256288_264080_62749100     0 star  filter V [27002.7s - 27182.7s] expo=180s elev=15.9deg humid= 29% sunelev=-18.5deg (moon at 105.0deg phase=0.38 elev=-53.0 )
AL_20091210_174614085_264080_62749100     0 star  filter R [27199.7s - 27379.7s] expo=180s elev=16.4deg humid= 29% sunelev=-19.1deg (moon at 105.0deg phase=0.38 elev=-53.0 )
AL_20091210_174932535_264080_62749100     0 star  filter I [27398.7s - 27578.7s] expo=180s elev=17.0deg humid= 28% sunelev=-19.6deg (moon at 105.0deg phase=0.38 elev=-53.0 )
AL_20091210_184910102_264127_62753800     0 star  filter V [30975.7s - 31155.7s] expo=180s elev=27.3deg humid= 29% sunelev=-30.3deg (moon at 106.0deg phase=0.37 elev=-55.0 )
AL_20091210_185224885_264127_62753800     0 star  filter R [31170.7s - 31350.7s] expo=180s elev=27.9deg humid= 29% sunelev=-30.9deg (moon at 106.0deg phase=0.37 elev=-55.0 )
AL_20091210_185543072_264127_62753800     0 star  filter I [31368.7s - 31548.7s] expo=180s elev=28.5deg humid= 28% sunelev=-31.4deg (moon at 106.0deg phase=0.37 elev=-55.0 )
AL_20091210_195906287_264128_62753900     0 star  filter V [35172.7s - 35352.7s] expo=180s elev=39.9deg humid= 28% sunelev=-42.9deg (moon at 107.0deg phase=0.37 elev=-53.0 )
AL_20091210_200224740_264128_62753900     0 star  filter R [35370.7s - 35550.7s] expo=180s elev=40.5deg humid= 28% sunelev=-43.4deg (moon at 107.0deg phase=0.37 elev=-52.0 )
AL_20091210_200542911_264128_62753900     0 star  filter I [35568.7s - 35748.7s] expo=180s elev=41.1deg humid= 27% sunelev=-44.0deg (moon at 107.0deg phase=0.37 elev=-52.0 )
AL_20091210_210656255_264129_62754000     0 star  filter V [39242.7s - 39422.7s] expo=180s elev=52.1deg humid= 26% sunelev=-54.6deg (moon at 107.0deg phase=0.37 elev=-45.0 )
AL_20091210_211011334_264129_62754000     0 star  filter R [39436.7s - 39616.7s] expo=180s elev=52.6deg humid= 26% sunelev=-55.1deg (moon at 107.0deg phase=0.37 elev=-45.0 )
AL_20091210_211326594_264129_62754000     0 star  filter I [39632.7s - 39812.7s] expo=180s elev=53.2deg humid= 26% sunelev=-55.6deg (moon at 108.0deg phase=0.37 elev=-44.0 )
AL_20091210_221818654_264130_62754100     0 star  filter V [43524.7s - 43704.7s] expo=180s elev=63.9deg humid= 25% sunelev=-64.9deg (moon at 108.0deg phase=0.36 elev=-35.0 )
AL_20091210_222136997_264130_62754100     0 star  filter R [43722.7s - 43902.7s] expo=180s elev=64.4deg humid= 25% sunelev=-65.3deg (moon at 108.0deg phase=0.36 elev=-34.0 )
AL_20091210_222455306_264130_62754100     0 star  filter I [43920.7s - 44100.7s] expo=180s elev=64.9deg humid= 25% sunelev=-65.6deg (moon at 108.0deg phase=0.36 elev=-34.0 )
AL_20091210_232746676_264131_62754200     0 star  filter V [47692.7s - 47872.7s] expo=180s elev=71.8deg humid= 25% sunelev=-69.2deg (moon at 109.0deg phase=0.36 elev=-23.0 )
AL_20091210_233104910_264131_62754200     0 star  filter R [47890.7s - 48070.7s] expo=180s elev=72.0deg humid= 25% sunelev=-69.2deg (moon at 109.0deg phase=0.36 elev=-23.0 )
AL_20091210_233420138_264131_62754200     0 star  filter I [48085.7s - 48265.7s] expo=180s elev=72.1deg humid= 25% sunelev=-69.2deg (moon at 109.0deg phase=0.36 elev=-22.0 )
AL_20091211_014850629_264133_62754400     0 star  filter V [56156.7s - 56336.7s] expo=180s elev=61.0deg humid= 22% sunelev=-54.2deg (moon at 110.0deg phase=0.35 elev= +0.0 )
AL_20091211_015208848_264133_62754400     0 star  filter R [56354.7s - 56534.7s] expo=180s elev=60.4deg humid= 22% sunelev=-53.7deg (moon at 110.0deg phase=0.35 elev= +0.0 )
AL_20091211_015527035_264133_62754400     0 star  filter I [56552.7s - 56732.7s] expo=180s elev=59.9deg humid= 19% sunelev=-53.1deg (moon at 110.0deg phase=0.35 elev= +1.0 )
AL_20091211_025739495_264134_62754500     0 star  filter V [60285.7s - 60465.7s] expo=180s elev=49.1deg humid= 21% sunelev=-42.3deg (moon at 111.0deg phase=0.35 elev=+11.0 )
AL_20091211_030057710_264134_62754500     0 star  filter R [60483.7s - 60663.7s] expo=180s elev=48.6deg humid= 20% sunelev=-41.7deg (moon at 111.0deg phase=0.35 elev=+11.0 )
AL_20091211_030416163_264134_62754500     0 star  filter I [60681.7s - 60861.7s] expo=180s elev=48.0deg humid= 20% sunelev=-41.1deg (moon at 111.0deg phase=0.35 elev=+12.0 )
AL_20091211_041047732_264135_62754600     0 star  filter R [64673.7s - 64853.7s] expo=180s elev=36.0deg humid= 34% sunelev=-29.1deg (moon at 112.0deg phase=0.35 elev=+21.0 )
AL_20091211_171229543_264146_62755700     0 star  filter V [111575.7s - 111755.7s] expo=180s elev=11.5deg humid= 64% sunelev=-13.2deg (moon at 118.0deg phase=0.31 elev=-48.0 )
AL_20091211_171545027_264146_62755700     0 star  filter R [111770.7s - 111950.7s] expo=180s elev=12.0deg humid= 64% sunelev=-13.7deg (moon at 118.0deg phase=0.31 elev=-49.0 )
AL_20091211_171901371_264146_62755700     0 star  filter I [111966.7s - 112146.7s] expo=180s elev=12.5deg humid= 64% sunelev=-14.3deg (moon at 118.0deg phase=0.31 elev=-49.0 )
AL_20091211_180621464_264147_62755800     0 star  filter V [114807.7s - 114987.7s] expo=180s elev=20.5deg humid= 55% sunelev=-22.6deg (moon at 118.0deg phase=0.31 elev=-55.0 )
AL_20091211_180939449_264147_62755800     0 star  filter R [115005.7s - 115185.7s] expo=180s elev=21.1deg humid= 53% sunelev=-23.2deg (moon at 118.0deg phase=0.31 elev=-56.0 )
AL_20091211_181257636_264147_62755800     0 star  filter I [115203.7s - 115383.7s] expo=180s elev=21.7deg humid= 53% sunelev=-23.7deg (moon at 119.0deg phase=0.31 elev=-56.0 )
AL_20091211_224614520_264151_62756200    50 stars filter V [131600.7s - 131780.7s] expo=180s elev=68.3deg humid= 39% sunelev=-67.6deg (moon at 122.0deg phase=0.29 elev=-42.0 )
AL_20091211_224929339_264151_62756200    61 stars filter R [131795.7s - 131975.7s] expo=180s elev=68.7deg humid= 39% sunelev=-67.9deg (moon at 122.0deg phase=0.29 elev=-41.0 )
AL_20091211_225247574_264151_62756200    75 stars filter I [131993.7s - 132173.7s] expo=180s elev=69.0deg humid= 39% sunelev=-68.1deg (moon at 122.0deg phase=0.29 elev=-41.0 )
AL_20091212_010458165_264153_62756400    57 stars filter V [139923.7s - 140103.7s] expo=180s elev=66.9deg humid= 37% sunelev=-61.2deg (moon at 123.0deg phase=0.29 elev=-18.0 )
AL_20091212_010816353_264153_62756400    60 stars filter R [140122.7s - 140302.7s] expo=180s elev=66.4deg humid= 37% sunelev=-60.7deg (moon at 123.0deg phase=0.29 elev=-18.0 )
AL_20091212_011134549_264153_62756400    63 stars filter I [140320.7s - 140500.7s] expo=180s elev=66.0deg humid= 37% sunelev=-60.2deg (moon at 123.0deg phase=0.29 elev=-17.0 )
AL_20091212_021440168_264154_62756500    20 stars filter V [144105.7s - 144285.7s] expo=180s elev=56.0deg humid= 35% sunelev=-50.0deg (moon at 124.0deg phase=0.28 elev= -7.0 )
AL_20091212_021754949_264154_62756500    27 stars filter R [144300.7s - 144480.7s] expo=180s elev=55.4deg humid= 35% sunelev=-49.4deg (moon at 124.0deg phase=0.28 elev= -6.0 )
AL_20091212_022113146_264154_62756500    18 stars filter I [144498.7s - 144678.7s] expo=180s elev=54.9deg humid= 35% sunelev=-48.9deg (moon at 124.0deg phase=0.28 elev= -5.0 )
AL_20091212_032430077_264155_62756600    64 stars filter V [148295.7s - 148475.7s] expo=180s elev=43.6deg humid= 36% sunelev=-37.6deg (moon at 124.0deg phase=0.28 elev= +4.0 )
AL_20091212_032745546_264155_62756600    68 stars filter R [148491.7s - 148671.7s] expo=180s elev=43.0deg humid= 37% sunelev=-37.0deg (moon at 124.0deg phase=0.28 elev= +4.0 )
AL_20091212_033100358_264155_62756600    60 stars filter I [148686.7s - 148866.7s] expo=180s elev=42.4deg humid= 36% sunelev=-36.4deg (moon at 124.0deg phase=0.28 elev= +5.0 )
AL_20091212_043431359_264156_62756700    46 stars filter V [152497.7s - 152677.7s] expo=180s elev=31.0deg humid= 39% sunelev=-25.0deg (moon at 125.0deg phase=0.28 elev=+13.0 )
AL_20091212_043749124_264156_62756700    52 stars filter R [152694.7s - 152874.7s] expo=180s elev=30.4deg humid= 40% sunelev=-24.4deg (moon at 125.0deg phase=0.28 elev=+14.0 )
AL_20091212_044106890_264156_62756700    61 stars filter I [152892.7s - 153072.7s] expo=180s elev=29.8deg humid= 40% sunelev=-23.8deg (moon at 125.0deg phase=0.28 elev=+14.0 )
AL_20091213_175030666_264188_62759900    28 stars filter V [286656.7s - 286836.7s] expo=180s elev=19.1deg humid= 81% sunelev=-19.7deg (moon at 144.0deg phase=0.18 elev=-44.0 )
AL_20091213_175345479_264188_62759900    39 stars filter R [286851.7s - 287031.7s] expo=180s elev=19.7deg humid= 81% sunelev=-20.3deg (moon at 144.0deg phase=0.18 elev=-45.0 )
AL_20091213_175700307_264188_62759900     6 stars filter I [287046.7s - 287226.7s] expo=180s elev=20.3deg humid= 80% sunelev=-20.8deg (moon at 144.0deg phase=0.18 elev=-45.0 )
AL_20091213_185936909_264189_62760000    23 stars filter V [290802.7s - 290982.7s] expo=180s elev=31.3deg humid= 76% sunelev=-32.0deg (moon at 145.0deg phase=0.18 elev=-56.0 )
AL_20091213_190255305_264189_62760000     3 stars filter R [291000.7s - 291180.7s] expo=180s elev=31.9deg humid= 76% sunelev=-32.6deg (moon at 145.0deg phase=0.18 elev=-56.0 )
AL_20091213_190610555_264189_62760000     0 star  filter I [291196.7s - 291376.7s] expo=180s elev=32.5deg humid= 77% sunelev=-33.2deg (moon at 145.0deg phase=0.18 elev=-57.0 )
AL_20091213_200933001_264190_62760100    38 stars filter V [294998.7s - 295178.7s] expo=180s elev=43.9deg humid= 75% sunelev=-44.6deg (moon at 145.0deg phase=0.17 elev=-65.0 )
AL_20091213_201247799_264190_62760100    38 stars filter R [295193.7s - 295373.7s] expo=180s elev=44.5deg humid= 74% sunelev=-45.2deg (moon at 145.0deg phase=0.17 elev=-65.0 )
AL_20091213_201602627_264190_62760100    13 stars filter I [295388.7s - 295568.7s] expo=180s elev=45.1deg humid= 73% sunelev=-45.8deg (moon at 145.0deg phase=0.17 elev=-66.0 )
AL_20091213_211956174_264191_62760200     1 star  filter V [299221.7s - 299401.7s] expo=180s elev=56.4deg humid= 73% sunelev=-56.6deg (moon at 146.0deg phase=0.17 elev=-69.0 )
AL_20091213_212310993_264191_62760200     0 star  filter R [299416.7s - 299596.7s] expo=180s elev=56.9deg humid= 74% sunelev=-57.1deg (moon at 146.0deg phase=0.17 elev=-69.0 )
AL_20091213_212625821_264191_62760200     0 star  filter I [299611.7s - 299791.7s] expo=180s elev=57.5deg humid= 73% sunelev=-57.7deg (moon at 146.0deg phase=0.17 elev=-69.0 )
AL_20091213_222912926_264192_62760300    60 stars filter V [303378.7s - 303558.7s] expo=180s elev=67.1deg humid= 67% sunelev=-66.1deg (moon at 147.0deg phase=0.16 elev=-64.0 )
AL_20091213_223228582_264192_62760300    57 stars filter R [303574.7s - 303754.7s] expo=180s elev=67.5deg humid= 67% sunelev=-66.5deg (moon at 147.0deg phase=0.16 elev=-64.0 )
AL_20091213_223543400_264192_62760300    42 stars filter I [303769.7s - 303949.7s] expo=180s elev=67.9deg humid= 67% sunelev=-66.8deg (moon at 147.0deg phase=0.16 elev=-63.0 )
AL_20091213_233908491_264193_62760400    14 stars filter V [307574.7s - 307754.7s] expo=180s elev=72.6deg humid= 69% sunelev=-69.3deg (moon at 148.0deg phase=0.16 elev=-55.0 )
AL_20091213_234223601_264193_62760400     7 stars filter R [307769.7s - 307949.7s] expo=180s elev=72.6deg humid= 69% sunelev=-69.2deg (moon at 148.0deg phase=0.16 elev=-54.0 )
AL_20091213_234539649_264193_62760400    25 stars filter I [307965.7s - 308145.7s] expo=180s elev=72.6deg humid= 69% sunelev=-69.1deg (moon at 148.0deg phase=0.16 elev=-54.0 )
AL_20091214_004855956_264194_62760500    57 stars filter V [311761.7s - 311941.7s] expo=180s elev=67.9deg humid= 67% sunelev=-63.6deg (moon at 149.0deg phase=0.16 elev=-43.0 )
AL_20091214_005212034_264194_62760500    68 stars filter R [311957.7s - 312137.7s] expo=180s elev=67.5deg humid= 67% sunelev=-63.2deg (moon at 149.0deg phase=0.16 elev=-43.0 )
AL_20091214_005530691_264194_62760500    61 stars filter I [312156.7s - 312336.7s] expo=180s elev=67.1deg humid= 68% sunelev=-62.7deg (moon at 149.0deg phase=0.16 elev=-42.0 )
AL_20091214_030841011_264196_62760700    57 stars filter V [320146.7s - 320326.7s] expo=180s elev=45.1deg humid= 68% sunelev=-40.7deg (moon at 150.0deg phase=0.15 elev=-19.0 )
AL_20091214_031159870_264196_62760700    64 stars filter R [320345.7s - 320525.7s] expo=180s elev=44.5deg humid= 70% sunelev=-40.1deg (moon at 150.0deg phase=0.15 elev=-19.0 )
AL_20091214_031515495_264196_62760700    56 stars filter I [320541.7s - 320721.7s] expo=180s elev=43.9deg humid= 68% sunelev=-39.5deg (moon at 150.0deg phase=0.15 elev=-18.0 )
AL_20091214_052823302_264198_62760900    19 stars filter V [328529.7s - 328709.7s] expo=180s elev=20.1deg humid= 66% sunelev=-15.8deg (moon at 151.0deg phase=0.14 elev= +1.0 )
AL_20091214_053141581_264198_62760900    53 stars filter R [328727.7s - 328907.7s] expo=180s elev=19.5deg humid= 66% sunelev=-15.2deg (moon at 151.0deg phase=0.14 elev= +2.0 )
AL_20091214_053456378_264198_62760900    51 stars filter I [328922.7s - 329102.7s] expo=180s elev=19.0deg humid= 67% sunelev=-14.7deg (moon at 151.0deg phase=0.14 elev= +2.0 )
No informations from GCN notice.

Other pages about TAROT Calern observatory observations

Status of this alert received by TAROT Calern observatory.
Sum of images.
Differential photometry.

Galactic coordinates

Galactic coordinates : lon=181.443410 lat=-2.659439
NASA/IPAC-Extragalactic-Database tool for calculate an extinction

Extinction from Schlegel et al. (1998, ApJ 500, 525): E(B-V)=1.598
Assuming Rv=3.1: Av=5.299 Ar=4.273 Ai=3.101
extmap.fit: Extinction map E(B-V) from Schlegel:

Field of View is about 56 arcmin (north is NOT up !)

Bibliography (Last GCNC circulars and status of satellites)

GCN infos of this burst
GCN notice of this burst
Sloan Digital Sky Survey Observations of Gamma Ray Burst Fields
GCN info bursts
Gamma-ray burst real-time sky map
GRBlog
ROTSE last GRB images

Example of a GCNC email for this burst

gcncirc@capella.gsfc.nasa.gov
GRB 091210: TAROT Calern observatory optical observations
----------------------------------------------------------------------
Klotz A. (CESR-OMP), Gendre B. (IASF),
Boer M. (OHP-OAMP), Atteia J.L. (LATT-OMP) report:

We imaged the field of GRB 091210 detected by SWIFT
(trigger 378831) with the TAROT robotic telescope (D=25cm)
located at the Calern observatory, France.

The observations started 27002.7s after the GRB trigger
(XXXs after the notice). The elevation of the field increased from
15 degrees above horizon and weather conditions
were XXX.

---- NO
The date of trigger : t0 = 2009-12-10T10:09:47.300

The first image is trailed with a duration of 180.0s
(see the description in Klotz et al., 2006, A&A 451, L39).
We do not detect any OT with a limiting magnitude of:
t0+27002.7s to t0+27182.7s : R > 15.1

The second image is 180.0s exposure in tracking mode:
t0+27199.7s to t0+27379.7s : R > 16.2

We co-added a series of exposures:
t0+27199.7s to t0+35352.7s : R > 17.7
---- YES
We detect a new fading source in the error box given by SWIFT
We detected the candidate couterpart mentioned by XXX et al. (GCNC XXXX)
at the following position (+/- 3 arcsec):

RA(J2000.0) = XXh XXm XX.XXs
DEC(J2000.0) +XXd XX' XX.X"

OT was R~XX.X at 27002.7s after GRB.
----

Magnitudes were estimated with the nearby USNO-B1 stars
and are not corrected for galactic dust extinction.

N.B. Galactic coordinates are lon=181.4434 lat= -2.6594
and the galactic extinction in R band is 4.3 magnitudes
estimated from D. Schlegel et al. 1998ApJ...500..525S.

This message may be cited.
======================================================================