GRB 170306B — Source 1 (SWIFT J101706.8+520248)

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Image | Exposure map

This source is detected in 5 blocks. Show all images.

Spectrum

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Source details
Rank/Classification:	4: Known X-ray Source
RA (J2000):	10h 17m 06.90s (= 154.27875°)
Dec (J2000):	+52° 02′ 48.6″ (= +52.0468°)
Error (radius, 90%):	5.9″
Detection flag:	Good
XRT exposure:	651 s (vignetting corrected)
Peak rate:	0.016 (±0.006) ct s^-1
Peak flux:	6.8 (±2.6) ×10 erg cm^-2 s^-1
Has spectral fit?	No
Database ID:	85
Possible issues:
Optical Loading:	No warning (automatic)
Stray Light:	No warning (automatic)
Extended Emission:	No warning (automatic)
Catalogue information
Known X-ray emitter?	Yes - 1SXPS J101706.0+520243
Cat. rate¹:	0.027 (±0.005) ct s^-1
Cat. flux²:	1.17 (±0.20) ×10^-12 erg cm^-2 s^-1
Observed/Cat. flux	≤0 σ
Fading?	No (≤1-σ significance).
Near 2MASS source?	Yes, 1 match. Show details.
Near SIMBAD source?	Yes - 7C 101354.60+521750.00 is 2.6″ away.
High proper motion star?	No.
Catalogue Search	Cone search radius 17″ Vizier \| Simbad \| NED \| X-ray master \| LSXPS \| 3XMM-DR5

Notes
All XRT count rates and fluxes are 0.3—10 keV
¹Catalogued count-rates have been converted to XRT equivalents.
²Catalogued upper limits and fluxes have been converted to the XRT equivalent assuming a generic AGN spectrum:N_H=3×10²⁰ cm^-2, Γ=1.7

2MASS objects near the source

Coordinate style:

ID	Position	Offset from XRT source	J	H	K