/ToO_GRBs/00021726/Source2.php 1257 grbtile
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Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.
Source details | Rank/Classification: | Marked ‘spurious’ by manual checking. Automated classification: Uncatalogued X-ray source |
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RA (J2000): | 21h 41m 02.28s (= 325.25951°) |
Dec (J2000): | +05° 01′ 12.6″ (= +5.0202°) |
Error (radius, 90%): | 4.0″ (enhanced position) |
Detection flag: | Good |
XRT exposure: | 747 s (vignetting corrected) |
Peak rate: | 0.017 (+0.006, -0.005) ct s-1 |
Peak flux: | 7.1 (+2.7, -2.2) ×10-13 erg cm-2 s-1 |
Mean rate: | 0.017 (+0.006, -0.005) ct s-1 |
Mean flux: | 7.1 (+2.7, -2.2) ×10-13 erg cm-2 s-1 |
Has spectral fit? | Yes |
NH | 1.43 × 1023 cm-2 |
Γ | 9.06 |
Database ID: | 1257 |
Possible issues: | |
Optical Loading: | Spurious source (verified) |
Stray Light: | No warning (automatic) |
Extended Emission: | No warning (automatic) |
Catalogue information | |
Known X-ray emitter? | No. Get XMM upper limit |
Rass upper limit2 | 0.0×100 ct s-1 |
Obs rate/Rass UL | ≤0 σ |
Fading? | No (≤1-σ significance). |
Near 2MASS source? | Yes, 1 match. Show details. |
Near SIMBAD source? | Yes - HD 206298 is 4.0″ away. |
High proper motion star? | No. |
Catalogue Search | Cone search radius 12″ 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 using the automatic power-law spectral fit described above.