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Swift Trigger: 623158;

Presumed name: GRB 150101A

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BAT 20h 50m 31.44s, +36° 43′ 40.8″
position:(312.631, +36.728 ± 180″)
XRT 20h 50m 24.91s, +36° 44′ 00.2″
position:(312.6038, 36.7334 ± 3.9″)
UVOT No position available.
Galactic NHI:3.19×100 cm-2
Galactic E(B-V):0.542 mag
Best RA:20h 50m 24.91s= 312.6038 d
Best Dec:+36° 44′ 00.2″= 36.7334 d
Gal Lat:-4.65
Gal Long:78.65
Sun angle:66.71°, -2.1 hr East of Sun

1Sper #4 auto processing.

Galaxies within 3.33 of XRT position

RA*Dec*Redshift CatalogueQuery
25.4312.595736.7306B1=20.1, R1=18.0, R2=19.0USNO-B1Query vizier around this object
40.1312.600436.7226B1=19.4, B2=19.8, R2=18.9USNO-B1Query vizier around this object
42.1312.594236.7246B2=20.1, R1=18.6, R2=18.4USNO-B1Query vizier around this object
42.4312.610036.7441B1=19.6, I=16.8, R1=17.2, R2=17.4USNO-B1Query vizier around this object
44.1312.608336.7451B1=17.1, B2=17.4, I=15.7, R1=15.8, R2=16.0USNO-B1Query vizier around this object
46.8312.592336.7426B1=19.1, I=18.2USNO-B1Query vizier around this object
47.0312.606436.7205B1=19.8, B2=19.0, I=17.2, R1=17.9, R2=17.6USNO-B1Query vizier around this object
54.0312.603436.7184B1=19.5, B2=19.0, R1=16.9, R2=17.1USNO-B1Query vizier around this object
57.7312.584036.7311B1=17.1, B2=16.6USNO-B1Query vizier around this object
58.2312.617536.7215B1=20.0, B2=19.7, R1=18.1, R2=18.7USNO-B1Query vizier around this object
58.3312.623236.7379B1=20.4, B2=20.4, I=18.6, R2=19.2USNO-B1Query vizier around this object
60.4312.602236.7167B1=18.2, B2=17.8, I=14.5, R1=15.5, R2=15.6USNO-B1Query vizier around this object
61.0312.617636.7206B1=20.3, B2=20.1, R2=19.0USNO-B1Query vizier around this object
62.5312.598836.7165B1=18.1, B2=18.4, I=16.2, R1=16.6, R2=17.0USNO-B1Query vizier around this object
65.4312.581336.7312B1=20.2, R1=18.8USNO-B1Query vizier around this object
65.9312.581336.7303B1=18.4, B2=19.7, I=17.6, R1=18.2USNO-B1Query vizier around this object
66.1312.581136.7310B1=19.9, B2=19.9, I=17.7, R1=17.7, R2=18.1USNO-B1Query vizier around this object
72.7312.626836.7417I=18.2, R1=18.8USNO-B1Query vizier around this object
74.1312.620936.7180B1=18.7, B2=18.1, R1=16.7USNO-B1Query vizier around this object
74.2312.628236.7398B1=18.6, B2=18.0, I=15.8, R1=16.4, R2=16.8USNO-B1Query vizier around this object
75.5312.621036.7492B1=19.0, B2=19.5, I=16.7, R1=17.5, R2=17.3USNO-B1Query vizier around this object
76.2312.621836.7489B1=20.6, B2=19.5, I=17.6, R1=18.1USNO-B1Query vizier around this object
79.1312.600336.7116B1=19.6, I=18.3, R2=19.3USNO-B1Query vizier around this object
79.5312.609136.7551B1=18.1, B2=18.0, I=16.4, R1=16.8, R2=16.7USNO-B1Query vizier around this object
82.6312.617636.7535I=17.5, R1=18.3USNO-B1Query vizier around this object
83.8312.618536.7535B1=20.6, B2=19.8, I=17.8, R1=17.2, R2=18.7USNO-B1Query vizier around this object
84.2312.600036.7102B1=19.6, I=18.4, R2=19.4USNO-B1Query vizier around this object
84.5312.621936.7150B2=20.3, R2=19.3USNO-B1Query vizier around this object
86.2312.629436.7457B2=20.3, I=17.7, R1=18.0, R2=19.0USNO-B1Query vizier around this object
90.8312.613736.7095B1=20.2, B2=20.1, R1=18.5USNO-B1Query vizier around this object
92.4312.633836.7424B1=19.2, I=17.9, R1=16.6, R2=19.0USNO-B1Query vizier around this object
92.6312.627536.7508B1=16.6, I=13.7, R1=14.7USNO-B1Query vizier around this object
93.5312.579636.7161I=18.4, R1=19.3USNO-B1Query vizier around this object
93.9312.636336.7323I=17.7, R1=18.7, R2=18.4USNO-B1Query vizier around this object
94.8312.636536.7361B1=19.4, B2=18.6, I=16.4, R1=17.5, R2=17.1USNO-B1Query vizier around this object
97.7312.619136.7576B1=18.4, B2=18.3, I=16.1, R1=16.8USNO-B1Query vizier around this object
98.0312.570936.7403B1=18.0, B2=17.7, I=15.6, R1=16.2, R2=16.4USNO-B1Query vizier around this object
98.5312.628436.7523B1=19.2, I=13.3, R2=14.0USNO-B1Query vizier around this object
99.6312.571236.7425R1=18.7, R2=18.8USNO-B1Query vizier around this object
100.4312.600836.7612B1=16.5, B2=16.9, I=15.0, R1=15.6, R2=15.4USNO-B1Query vizier around this object
101.9312.576036.7508B1=17.2, B2=17.3, I=15.4, R1=16.3, R2=16.1USNO-B1Query vizier around this object
102.9312.613236.7058B1=20.2, B2=19.9, I=16.5, R1=18.2, R2=18.0USNO-B1Query vizier around this object
103.2312.602736.7621B1=19.6, B2=20.1, I=17.9USNO-B1Query vizier around this object
104.8312.601336.7624I=18.2, R1=17.3USNO-B1Query vizier around this object
105.7312.599436.7043B1=19.9, B2=19.9, I=17.7, R1=17.9, R2=18.3USNO-B1Query vizier around this object
106.3312.634236.7501B1=16.5, B2=16.8, I=15.2, R1=15.5, R2=15.7USNO-B1Query vizier around this object
106.5312.587836.7601B1=17.7, B2=17.6, I=14.7, R1=15.8, R2=15.8USNO-B1Query vizier around this object
107.4312.608036.7630B1=17.2, B2=17.5, I=15.2, R1=15.8, R2=15.8USNO-B1Query vizier around this object
107.7312.598536.7038B1=20.7, B2=20.0, I=17.9, R1=18.1, R2=17.8USNO-B1Query vizier around this object
108.7312.638136.7460B1=15.8, I=13.8, R1=13.8USNO-B1Query vizier around this object
110.5312.639336.7449B2=17.4, R1=16.2USNO-B1Query vizier around this object
111.4312.609236.7640B1=20.0, I=17.4, R1=17.9, R2=17.5USNO-B1Query vizier around this object
112.9312.577336.7565I=17.6, R1=17.7USNO-B1Query vizier around this object
113.3312.636736.7506B1=16.9, B2=16.7, I=14.8, R1=15.4, R2=15.5USNO-B1Query vizier around this object
115.0312.639836.7196R1=18.9, R2=19.1USNO-B1Query vizier around this object
115.0312.617136.7635R1=18.6, R2=18.6USNO-B1Query vizier around this object
115.6312.638636.7175B1=20.0, R2=19.7USNO-B1Query vizier around this object
117.6312.628436.7073B1=19.1, B2=19.4, I=16.2, R1=17.1, R2=16.8USNO-B1Query vizier around this object
118.0312.563936.7262I=18.3, R1=18.6USNO-B1Query vizier around this object
119.9312.635836.7121I=17.8, R2=19.3USNO-B1Query vizier around this object
120.4312.582236.7048B1=18.4, B2=17.7, I=15.4, R1=15.7, R2=15.9USNO-B1Query vizier around this object
121.9312.581036.7619B1=17.7, R1=15.5USNO-B1Query vizier around this object
122.0312.574536.7090B2=17.6, I=16.0, R1=16.3, R2=16.5USNO-B1Query vizier around this object
122.7312.644036.7221I=17.5, R1=18.4, R2=18.9USNO-B1Query vizier around this object
123.4312.563336.7444B1=20.2, B2=19.3, I=17.1, R1=17.6, R2=18.0USNO-B1Query vizier around this object
126.3312.609136.6986B1=20.0, I=16.9, R1=18.3USNO-B1Query vizier around this object
127.2312.642236.7508B1=16.2, B2=16.2, I=13.9, R1=14.8, R2=14.6USNO-B1Query vizier around this object
128.3312.648236.7321B2=20.4, R2=19.6USNO-B1Query vizier around this object
128.3312.645636.7213R1=18.2, R2=18.9USNO-B1Query vizier around this object
130.1312.582636.7015B1=19.5, R1=13.8USNO-B1Query vizier around this object
130.6312.607636.6972B1=20.0, B2=20.2, I=18.1, R1=17.9, R2=19.0USNO-B1Query vizier around this object
132.2312.633836.7612B1=17.5, B2=17.3, I=16.2, R1=16.4, R2=16.6USNO-B1Query vizier around this object
132.3312.579136.7024B1=17.2, B2=20.4, I=17.8, R1=19.0, R2=18.6USNO-B1Query vizier around this object
133.8312.634436.7055B1=20.0, B2=20.3, I=17.8, R1=18.7, R2=18.5USNO-B1Query vizier around this object
134.3312.608336.6963B1=19.7, B2=20.1, R2=18.5USNO-B1Query vizier around this object
134.4312.645936.7493B2=20.3, I=17.8, R1=18.6, R2=18.6USNO-B1Query vizier around this object
134.8312.644436.7520B1=20.1, B2=20.0, I=17.7, R2=18.4USNO-B1Query vizier around this object
136.0312.585336.6986R1=18.9, R2=19.0USNO-B1Query vizier around this object
136.7312.628936.7656B1=20.5, B2=19.9, I=17.7, R1=18.3, R2=18.6USNO-B1Query vizier around this object
137.0312.647436.7184I=17.7, R1=18.5USNO-B1Query vizier around this object
138.6312.599736.7718B1=19.9, B2=20.3, R1=18.2USNO-B1Query vizier around this object
145.2312.653336.7260B1=19.8, B2=20.3, I=17.9, R2=19.0USNO-B1Query vizier around this object
146.4312.589636.7725B2=20.3, R1=18.7USNO-B1Query vizier around this object
147.3312.622836.6954B1=17.8, B2=18.0, I=15.6, R1=16.0, R2=16.4USNO-B1Query vizier around this object
147.6312.630936.6986B2=20.3, R1=18.5, R2=18.6USNO-B1Query vizier around this object
149.6312.626236.6959I=16.5, R1=18.2, R2=17.9USNO-B1Query vizier around this object
151.6312.654536.7445B2=20.4, R1=18.7, R2=19.9USNO-B1Query vizier around this object
151.7312.656236.7367I=16.9, R1=18.4, R2=18.3USNO-B1Query vizier around this object
153.5312.570136.7004I=17.9, R1=18.4USNO-B1Query vizier around this object
153.9312.559036.7103B2=19.5, R1=17.7USNO-B1Query vizier around this object
153.9312.591736.7750I=17.7, R2=18.9USNO-B1Query vizier around this object
155.6312.549936.7331B1=19.2, B2=17.8, R1=16.7USNO-B1Query vizier around this object
155.9312.550536.7406I=18.3, R1=19.2, R2=19.4USNO-B1Query vizier around this object
156.4312.549636.7332B1=17.6, B2=17.5, I=15.4, R1=15.9, R2=15.9USNO-B1Query vizier around this object
156.7312.592636.6908B1=19.3, B2=18.2USNO-B1Query vizier around this object
158.1312.649136.7086B1=20.3, R1=18.1USNO-B1Query vizier around this object
162.4312.572236.7707B1=20.3, R1=18.0USNO-B1Query vizier around this object
163.5312.555736.7575B1=16.8, B2=17.2, I=15.1, R1=15.8, R2=15.6USNO-B1Query vizier around this object
164.0312.572436.6954B1=18.9, B2=18.6, I=16.4, R1=17.2, R2=17.3USNO-B1Query vizier around this object
164.9312.552436.7133B1=16.4, B2=16.4, I=14.2, R1=15.2, R2=14.8USNO-B1Query vizier around this object
166.0312.573536.6942B2=20.1, R1=17.8USNO-B1Query vizier around this object
166.3312.655536.7538B1=20.6, I=17.1, R1=17.9USNO-B1Query vizier around this object
166.4312.659036.7199B1=20.5, B2=20.1, R2=19.3USNO-B1Query vizier around this object
166.9312.624236.6900B1=17.7, B2=18.2USNO-B1Query vizier around this object
167.0312.607536.6871B1=17.9, B2=17.9, I=15.7, R1=16.4, R2=16.5USNO-B1Query vizier around this object
168.2312.608236.6868B1=18.5, B2=17.9, I=15.5, R1=16.1, R2=16.0USNO-B1Query vizier around this object
174.6312.573936.6912R1=18.3, R2=18.6USNO-B1Query vizier around this object
175.4312.613836.6853B2=20.3, I=17.6, R1=17.4, R2=18.9USNO-B1Query vizier around this object
175.7312.567136.6944NEDQuery vizier around this object
175.9312.567036.6944h=14.3, j=15.1, k=13.82MASSQuery vizier around this object
176.4312.572036.6916B1=18.4, B2=18.0USNO-B1Query vizier around this object
179.4312.663336.7189B1=16.4, B2=16.6, I=14.4, R1=15.2, R2=15.2USNO-B1Query vizier around this object
181.5312.640336.6923B1=19.4, B2=18.0, I=16.6USNO-B1Query vizier around this object
181.6312.660536.7116I=17.6, R1=18.4USNO-B1Query vizier around this object
181.9312.635036.7773B1=20.1, B2=20.1, I=18.1, R1=18.5, R2=18.7USNO-B1Query vizier around this object
182.4312.666136.7419B1=18.0, B2=18.2, I=16.1, R1=16.8, R2=16.8USNO-B1Query vizier around this object
184.1312.640036.7755B1=17.7, B2=17.8, I=15.6, R1=16.2, R2=16.6USNO-B1Query vizier around this object
184.6312.667736.7313B2=20.4, I=18.2, R1=18.9, R2=19.4USNO-B1Query vizier around this object
184.7312.553736.7654B1=19.6, B2=20.3, R1=16.6, R2=19.1USNO-B1Query vizier around this object
185.7312.558936.6964B1=19.3, B2=17.1, I=14.6, R2=15.4USNO-B1Query vizier around this object
186.8312.625436.7823I=18.2, R1=17.3USNO-B1Query vizier around this object
187.6312.644436.7741B1=19.7, B2=19.7, I=17.5, R1=18.0, R2=18.3USNO-B1Query vizier around this object
188.0312.586836.6830B1=19.9, B2=20.0, R2=19.3USNO-B1Query vizier around this object
188.1312.600736.6812B1=19.9, R1=18.0USNO-B1Query vizier around this object
188.2312.625936.6842B1=20.0, B2=18.4, I=16.4, R1=15.9USNO-B1Query vizier around this object
190.1312.543836.7553B1=17.6, B2=17.0, I=12.8, R1=14.2, R2=13.5USNO-B1Query vizier around this object
190.1312.544536.7565B1=19.2, R1=16.6USNO-B1Query vizier around this object
190.5312.622636.7841B1=20.1, B2=19.7, I=17.8, R1=18.4, R2=18.6USNO-B1Query vizier around this object
191.1312.551436.7659B2=20.3, R1=18.9USNO-B1Query vizier around this object
191.7312.660936.7606I=17.7, R1=18.9, R2=19.9USNO-B1Query vizier around this object
192.7312.537036.7341B1=17.6, B2=17.4, R1=15.9USNO-B1Query vizier around this object
192.8312.669936.7412B1=19.9, B2=20.4, R1=18.5USNO-B1Query vizier around this object
194.1312.624036.7848B2=19.9, I=17.7, R1=18.8, R2=19.2USNO-B1Query vizier around this object
194.8312.645136.6906B1=18.5, B2=18.3, I=15.6, R1=16.1, R2=16.5USNO-B1Query vizier around this object
196.6312.547936.7647B1=17.4, B2=17.6, I=15.2, R1=15.8, R2=15.8USNO-B1Query vizier around this object
197.7312.661736.7628B1=20.6, I=18.3, R2=19.7USNO-B1Query vizier around this object
198.9312.634036.7831B1=20.0, B2=20.4, R2=19.3USNO-B1Query vizier around this object
199.5312.552436.7705I=16.7, R1=17.6, R2=17.1USNO-B1Query vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example