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Databases NED Simbad GCN circulars archive GRB data table Software & Tools Swift Software (HEASoft) Xanadu WebPIMMS Institutional Swift Sites GSFC PSU OAB SSDC MSSL University of Leicester
Swift Trigger: 854578;
Presumed name: GRB 180821A
| BAT | 00h 31m 03.12s, -38° 37′ 08.4″ |
|---|---|
| position: | (7.763, -38.619 ± 180″) |
| XRT | 00h 31m 09.20s, -38° 37′ 35.8″ |
| position: | (7.78834, -38.62661 ± 3.7″) |
| UVOT | No position available. |
| Galactic NHI: | 2.01×100 cm-2 |
| Galactic E(B-V): | 0.017 mag |
| Best RA: | 00h 31m 09.20s | = 7.78834 d |
|---|---|---|
| Best Dec: | -38° 37′ 35.8″ | = -38.62661 d |
| Gal Lat: | -77.74 | |
| Gal Long: | 321.91 | |
| Sun angle: | 137.59°, 9.5 hr West | |
1Sper #2 auto processing.
Galaxies within 3.33 of XRT position
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 4.7 | 7.7879 | -38.6278 | Mag=19.7 | NED |  | |
| 30.8 | 7.7932 | -38.6189 | B=21.5 | SSS | | |
| 55.9 | 7.7904 | -38.6419 | Mag=19.0 | NED | | |
| 56.0 | 7.7903 | -38.6421 | B=21.1, R2=19.1, i=18.2 | SSS | | |
| 60.1 | 7.7710 | -38.6363 | B=22.4 | SSS | | |
| 64.2 | 7.7654 | -38.6261 | Mag=19.0 | NED | | |
| 64.3 | 7.7655 | -38.6262 | B2=20.4, R1=19.9, R2=23.2 | USNO-B1 | | |
| 65.2 | 7.7671 | -38.6342 | Mag=19.0 | NED | | |
| 65.9 | 7.7766 | -38.6425 | B=21.8, R2=20.4 | SSS | | |
| 72.2 | 7.8122 | -38.6341 | B=22.4 | SSS | | |
| 77.3 | 7.7834 | -38.6055 | B=21.6, R2=20.0 | SSS | | |
| 82.9 | 7.8148 | -38.6367 | B=19.8, R2=18.1, i=17.3 | SSS | | |
| 82.9 | 7.8146 | -38.6369 | Mag=19.73 | NED | | |
| 84.1 | 7.7795 | -38.6043 | R1=19.9, R2=23.6 | USNO-B1 | | |
| 84.5 | 7.8179 | -38.6300 | Mag=19.73 | NED | | |
| 84.5 | 7.8108 | -38.6422 | Mag=19.73 | NED | | |
| 85.3 | 7.8171 | -38.6336 | Mag=19.73 | NED | | |
| 86.0 | 7.8099 | -38.6436 | I=18.7, R2=20.1 | USNO-B1 | | |
| 86.2 | 7.8100 | -38.6436 | Mag=19.73 | NED | | |
| 86.6 | 7.7583 | -38.6211 | Mag=19.8 | NED | | |
| 90.0 | 7.7710 | -38.6476 | B=21.6, R2=20.5 | SSS | | |
| 90.2 | 7.7838 | -38.6514 | Mag=19.8 | NED | | |
| 95.0 | 7.8200 | -38.6356 | Mag=19.8 | NED | | |
| 96.1 | 7.7825 | -38.6531 | Mag=19.8 | NED | | |
| 97.0 | 7.7841 | -38.6534 | B=21.0, R2=19.4 | SSS | | |
| 99.4 | 7.8225 | -38.6328 | Mag=19.8 | NED | | |
| 100.0 | 7.7533 | -38.6217 | Mag=19.8 | NED | | |
| 100.4 | 7.7532 | -38.6217 | B=21.0, R2=19.5 | SSS | | |
| 100.4 | 7.7532 | -38.6216 | B2=20.6, R1=19.7, R2=19.9 | USNO-B1 | | |
| 101.1 | 7.8202 | -38.6136 | B=22.0 | SSS | | |
| 101.2 | 7.8196 | -38.6406 | Mag=19.8 | NED | | |
| 104.2 | 7.7792 | -38.6547 | Mag=19.8 | NED | | |
| 106.6 | 7.7908 | -38.6561 | Mag=19.0 | NED | | |
| 107.6 | 7.8263 | -38.6228 | B=22.0 | SSS | | |
| 108.6 | 7.7510 | -38.6342 | B=21.5 | SSS | | |
| 110.8 | 7.7513 | -38.6372 | Mag=19.0 | NED | | |
| 116.4 | 7.7471 | -38.6294 | Mag=19.0 | NED | | |
| 116.8 | 7.7967 | -38.6583 | Mag=19.0 | NED | | |
| 120.7 | 7.7700 | -38.5964 | Mag=19.0 | NED | | |
| 122.0 | 7.8279 | -38.6406 | Mag=19.0 | NED | | |
| 122.4 | 7.7580 | -38.6510 | R1=19.9, R2=23.4 | USNO-B1 | | |
| 122.6 | 7.8133 | -38.6544 | Mag=19.0 | NED | | |
| 123.6 | 7.7954 | -38.6606 | Mag=19.0 | NED | | |
| 124.0 | 7.7447 | -38.6315 | B=22.4, R2=20.9 | SSS | | |
| 124.4 | 7.7929 | -38.6608 | Mag=19.0 | NED | | |
| 126.7 | 7.7683 | -38.5950 | Mag=19.0 | NED | | |
| 126.9 | 7.8246 | -38.6056 | B=19.5 | SSS | | |
| 130.7 | 7.8345 | -38.6307 | B=20.6, R2=19.1, i=18.6 | SSS | | |
| 130.8 | 7.8346 | -38.6306 | Mag=19.1 | NED | | |
| 131.6 | 7.8021 | -38.6617 | Mag=19.1 | NED | | |
| 131.9 | 7.7420 | -38.6211 | B=21.2, R2=19.7 | SSS | | |
| 132.0 | 7.7450 | -38.6407 | B=22.2 | SSS | | |
| 132.1 | 7.7417 | -38.6214 | Mag=19.1 | NED | | |
| 133.0 | 7.7854 | -38.6636 | Mag=19.1 | NED | | |
| 136.0 | 7.7540 | -38.6000 | B=22.1, R2=21.0 | SSS | | |
| 136.4 | 7.7583 | -38.5967 | Mag=19.1 | NED | | |
| 137.1 | 7.7538 | -38.5997 | Mag=19.1 | NED | | |
| 138.1 | 7.8283 | -38.6486 | Mag=19.1 | NED | | |
| 139.3 | 7.8175 | -38.6578 | Mag=19.1 | NED | | |
| 139.4 | 7.8176 | -38.6579 | B2=14.5, I=12.6, R1=12.9, R2=13.3 | USNO-B1 | | |
| 142.7 | 7.7408 | -38.6405 | B=20.0, R2=19.0 | SSS | | |
| 143.2 | 7.7404 | -38.6406 | Mag=20.04 | NED | | |
| 144.4 | 7.8075 | -38.6636 | Mag=20.04 | NED | | |
| 144.7 | 7.7588 | -38.5936 | Mag=20.04 | NED | | |
| 145.9 | 7.7423 | -38.6452 | B=22.0 | SSS | | |
| 145.9 | 7.8342 | -38.6458 | Mag=20.04 | NED | | |
| 148.4 | 7.7354 | -38.6278 | Mag=20.04 | NED | | |
| 148.4 | 7.7487 | -38.5994 | Mag=20.04 | NED | | |
| 149.9 | 7.7783 | -38.6675 | Mag=20.04 | NED | | |
| 150.8 | 7.7462 | -38.6525 | Mag=20.04 | NED | | |
| 151.7 | 7.7888 | -38.5844 | Mag=20.04 | NED | | |
| 152.6 | 7.8054 | -38.6667 | Mag=20.04 | NED | | |
| 153.1 | 7.8329 | -38.6510 | B=20.4, R2=18.9, i=18.3 | SSS | | |
| 153.2 | 7.7417 | -38.6486 | B=22.0 | SSS | | |
| 153.4 | 7.8329 | -38.6511 | Mag=20.36 | NED | | |
| 155.2 | 7.8050 | -38.6678 | Mag=20.36 | NED | | |
| 157.0 | 7.8075 | -38.5858 | Mag=20.36 | NED | | |
| 158.0 | 7.8400 | -38.6100 | Mag=19.3 | NED | | |
| 158.5 | 7.8404 | -38.6098 | B=21.7, R2=19.4 | SSS | | |
| 159.9 | 7.7838 | -38.6708 | Mag=19.3 | NED | | |
| 160.3 | 7.8396 | -38.6458 | Mag=19.3 | NED | | |
| 160.9 | 7.8300 | -38.6572 | Mag=19.3 | NED | | |
| 161.0 | 7.7834 | -38.6712 | B2=20.4, R1=19.9, R2=20.3 | USNO-B1 | | |
| 161.3 | 7.8412 | -38.6093 | B2=19.7, R2=20.5 | USNO-B1 | | |
| 162.8 | 7.8283 | -38.6592 | Mag=19.3 | NED | | |
| 162.8 | 7.7496 | -38.5928 | Mag=19.3 | NED | | |
| 164.5 | 7.8291 | -38.6594 | B=20.9, R2=19.5 | SSS | | |
| 165.3 | 7.8350 | -38.6547 | Mag=19.3 | NED | | |
| 166.9 | 7.7518 | -38.5901 | R1=19.9, R2=23.1 | USNO-B1 | | |
| 167.0 | 7.7517 | -38.5900 | Mag=19.3 | NED | | |
| 169.4 | 7.7388 | -38.5997 | Mag=19.3 | NED | | |
| 171.5 | 7.7279 | -38.6344 | Mag=19.8 | NED | | |
| 171.5 | 7.7282 | -38.6343 | R1=19.7, R2=20.5 | USNO-B1 | | |
| 174.6 | 7.8121 | -38.6714 | Mag=19.8 | NED | | |
| 175.3 | 7.8225 | -38.6673 | B=20.1, R2=18.2, i=17.7 | SSS | | |
| 175.5 | 7.8225 | -38.6675 | Mag=20.25 | NED | | |
| 178.1 | 7.8079 | -38.6736 | Mag=20.25 | NED | | |
| 178.9 | 7.8192 | -38.6700 | Mag=20.25 | NED | | |
| 180.1 | 7.8233 | -38.6683 | Mag=20.25 | NED | | |
| 180.2 | 7.7437 | -38.5906 | Mag=20.25 | NED | | |
| 181.2 | 7.8017 | -38.6758 | Mag=20.25 | NED | | |
| 182.4 | 7.7258 | -38.6125 | Mag=20.25 | NED | | |
| 182.9 | 7.7246 | -38.6167 | Mag=20.25 | NED | | |
| 183.0 | 7.8467 | -38.6039 | Mag=20.25 | NED | | |
| 183.1 | 7.8465 | -38.6038 | B2=18.8, I=18.5, R2=20.4 | USNO-B1 | | |
| 183.4 | 7.7243 | -38.6169 | B2=20.5, I=17.8, R1=18.9, R2=19.0 | USNO-B1 | | |
| 185.2 | 7.8404 | -38.6583 | Mag=20.25 | NED | | |
| 186.4 | 7.7462 | -38.5864 | Mag=20.25 | NED | | |
| 186.8 | 7.7838 | -38.6783 | Mag=20.25 | NED | | |
| 187.6 | 7.8400 | -38.6597 | Mag=20.25 | NED | | |
| 189.2 | 7.8486 | -38.6500 | B=22.7, R2=20.5 | SSS | | |
| 189.6 | 7.7246 | -38.6094 | Mag=20.25 | NED | | |
| 189.8 | 7.7245 | -38.6096 | B=22.4 | SSS | | |
| 190.2 | 7.7492 | -38.5833 | Mag=20.25 | NED | | |
| 191.6 | 7.8454 | -38.6553 | Mag=20.25 | NED | | |
| 193.1 | 7.8188 | -38.6747 | Mag=20.25 | NED | | |
| 194.0 | 7.8567 | -38.6196 | B=21.3, R2=20.2 | SSS | | |
| 194.2 | 7.7283 | -38.5997 | Mag=20.25 | NED | | |
| 194.9 | 7.7191 | -38.6281 | B=21.6, R2=20.2 | SSS | | |
| 194.9 | 7.8029 | -38.6794 | Mag=20.25 | NED | | |
| 195.1 | 7.8096 | -38.6781 | Mag=20.25 | NED | | |
| 195.4 | 7.7763 | -38.6800 | Mag=20.25 | NED | | |
| 195.4 | 7.8095 | -38.6783 | B2=15.1, I=12.9, R1=13.2, R2=13.5 | USNO-B1 | | |
| 195.7 | 7.7505 | -38.5810 | B=21.5, R2=20.7 | SSS | | |
| 196.7 | 7.8279 | -38.6717 | Mag=20.25 | NED | | |
| 198.0 | 7.7913 | -38.5717 | Mag=20.25 | NED | | |
| 199.7 | 7.8425 | -38.6622 | Mag=20.25 | NED | | |
| 199.7 | 7.8317 | -38.6706 | Mag=20.25 | NED | |
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