Presumed name: GRB 220427A
BAT | 18h 23m 28.56s, -56° 15′ 10.8″ |
---|---|
position: | (275.869, -56.253 ± 180″) |
XRT | 18h 23m 33.26s, -56° 15′ 18.3″ |
position: | (275.88860, -56.25508 ± 3.5″) |
UVOT | 18h 23m 33.31s, -56° 15′ 18.0″ |
position: | (275.8888, -56.2550 ± 0.6″) |
Galactic NHI: | 7.39×1020 cm-2 |
Galactic E(B-V): | 0.106 mag |
Best RA: | 18h 23m 33.31s | = 275.8888 d |
---|---|---|
Best Dec: | -56° 15′ 18.0″ | = -56.2550 d |
Gal Lat: | -18.61 | |
Gal Long: | 338.51 | |
Sun angle: | not found |
Observability of this burst for Swift.
No UVOT images are currently available.
SPER results page for this trigger.
There are 11 SPER messages, and 1 objects have been found
See the SPER page for details of how this position was produced.
Click on the offset to view the transient announcement.
Offset (′′) | RA | Dec | Date reported | Source | Misc | Query |
---|---|---|---|---|---|---|
0.3′′ | 275.88883 | -56.25508 | GCN #31960 | GRB 220427A: Swift detection of a burst with an optical counterpart | ![]() | |
2.0′′ | 275.88813 | -56.25542 | GCN #31962 | GRB 220427A: Enhanced Swift-XRT position | ![]() | |
66.0′′ | 275.92167 | -56.25658 | GCN #31968 | GRB 220427A: Swift-BAT refined analysis | ![]() |
Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).
RA* | Dec* | SIMBAD name | Query | ||
---|---|---|---|---|---|
41.8 | 275.9092 | -56.2572 | UCAC4 169-194258 | B=14.587, G=13.5446, H=11.784, J=12.181, K=11.702, R=13.587, V=13.742, g=14.146, r=13.482 | ![]() |
81.9 | 275.9283 | -56.2496 | UCAC4 169-194271 | B=14.271, G=13.3267, H=11.800, J=12.144, K=11.732, R=13.394, V=13.482, g=13.841, i=12.977, r=13.245 | ![]() |
92.6 | 275.9000 | -56.2800 | XSS J18236-5616 | ![]() | |
100.5 | 275.9219 | -56.2342 | UCAC4 169-194265 | B=14.516, G=13.3496, H=11.486, J=11.917, K=11.383, R=13.391, V=13.537, g=14.010, i=12.949, r=13.224 | ![]() |
145.3 | 275.8381 | -56.2261 | UCAC4 169-194223 | B=14.338, G=13.5440, H=12.149, J=12.428, K=12.101, R=13.602, V=13.677, g=13.991, i=13.306, r=13.503 | ![]() |
155.6 | 275.9655 | -56.2484 | UCAC4 169-194292 | B=14.242, G=13.3069, H=11.648, J=12.028, K=11.501, R=13.380, V=13.474, g=13.834, i=12.976, r=13.238 | ![]() |
181.8 | 275.9591 | -56.2232 | UCAC4 169-194286 | G=13.0791, H=10.718, J=11.346, K=10.629, R=13.168, V=13.401, g=14.014, i=12.560, r=12.986 | ![]() |
195.3 | 275.8876 | -56.2008 | UCAC4 169-194244 | B=14.199, G=13.6178, H=12.428, J=12.674, K=12.427, R=13.715, V=13.646, g=13.906, i=13.371, r=13.583 | ![]() |
There are 8 SIMBAD objects within the position error. The full list is here.
* RA/Dec in equinox J2000
RA* | Dec* | Source table2 | Observatory | Query | ||
---|---|---|---|---|---|---|
75.5 | 275.8894 | -56.2760 | 0.32 +/- 0.09 | RXTE | ![]() |
Queried the X-ray MASTER catalogue.
* RA/Dec in equinox J2000
1Energy band for count-rate is mission specific.
RA* | Dec* | Redshift | Catalogue | Query | ||
---|---|---|---|---|---|---|
15.7 | 275.8808 | -56.2556 | NED | ![]() | ||
17.4 | 275.8925 | -56.2506 | NED | ![]() | ||
18.6 | 275.8925 | -56.2504 | B2=17.9, I=16.6, R1=16.7, R2=16.6 | USNO-B1 | ![]() | |
20.4 | 275.8916 | -56.2497 | B=19.6, R2=18.6, i=18.3 | SSS | ![]() | |
20.4 | 275.8916 | -56.2497 | B2=18.1, I=17.3, R1=17.5, R2=17.4 | USNO-B1 | ![]() | |
26.5 | 275.8962 | -56.2611 | B2=19.3, I=18.2, R1=18.3, R2=19.2 | USNO-B1 | ![]() | |
27.9 | 275.8776 | -56.2504 | B2=17.3, I=14.8, R1=15.3, R2=15.1 | USNO-B1 | ![]() | |
28.1 | 275.8775 | -56.2503 | NED | ![]() | ||
29.2 | 275.9026 | -56.2529 | B=21.5, R2=20.4 | SSS | ![]() | |
30.1 | 275.8737 | -56.2560 | B2=19.8, R1=19.0 | USNO-B1 | ![]() |
Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.
There are 475 galaxies within the position error. The full list is here.
* 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
RA* | Dec* | Catalogue | Query | ||
---|---|---|---|---|---|
3.4 | 275.8869 | -56.2551 | B2=19.4, R1=19.1, R2=19.5 | USNO-B1 | ![]() |
13.2 | 275.8863 | -56.2585 | B2=19.1, I=18.2, R1=18.0, R2=18.7 | USNO-B1 | ![]() |
15.0 | 275.8812 | -56.2557 | B2=15.1, I=12.9, R1=13.8, R2=13.2 | USNO-B1 | ![]() |
15.2 | 275.8811 | -56.2557 | h=12.2, j=12.4, k=12.1 | 2MASS | ![]() |
17.8 | 275.8925 | -56.2506 | h=15.7, j=16.2, k=15.5 | 2MASS | ![]() |
19.3 | 275.8920 | -56.2500 | B2=18.1, R2=17.0 | USNO-B1 | ![]() |
27.9 | 275.8775 | -56.2503 | h=13.8, j=14.2, k=13.6 | 2MASS | ![]() |
31.3 | 275.8739 | -56.2522 | B2=18.7, I=17.5, R1=17.6, R2=17.7 | USNO-B1 | ![]() |
33.7 | 275.8788 | -56.2475 | B2=19.8, I=17.9, R1=18.4, R2=19.5 | USNO-B1 | ![]() |
33.8 | 275.8788 | -56.2474 | h=15.9, j=16.7, k=15.1 | 2MASS | ![]() |
There are 428 stars within the position error. The full list is here.
* 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.