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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: 431764;
Presumed name: GRB 100816A
| BAT | 23h 26m 57.84s, +26° 33′ 37.8″ |
|---|---|
| position: | (351.741, 26.5605 ± 180″) |
| XRT | 23h 26m 57.65s, +26° 34′ 44.0″ |
| position: | (351.7402, 26.5789 ± 2.1″) |
| UVOT | No position available. |
| Galactic NHI: | 0.00×100 cm-2 |
| Galactic E(B-V): | 0.086 mag |
| Best RA: | 23h 26m 57.65s | = 351.7402 d |
|---|---|---|
| Best Dec: | +26° 34′ 44.0″ | = 26.5789 d |
| Gal Lat: | ||
| Gal Long: | ||
| Sun angle: | not found | |
Stars within 3.33 of XRT position
| RA* | Dec* | Catalogue | Query | ||
|---|---|---|---|---|---|
| 23.0 | 351.7338 | 26.5761 | h=16.2, j=16.6, k=15.8 | 2MASS |  |
| 23.1 | 351.7337 | 26.5761 | B1=18.0, B2=18.1, I=17.0, R1=17.1, R2=17.2 | USNO-B1 | |
| 23.3 | 351.7463 | 26.5824 | B1=20.0, R2=20.8 | USNO-B1 | |
| 42.3 | 351.7520 | 26.5840 | B1=20.0, B2=21.1, R2=20.2 | USNO-B1 | |
| 42.7 | 351.7534 | 26.5778 | h=15.1, j=15.8, k=15.0 | 2MASS | |
| 43.0 | 351.7535 | 26.5778 | B1=17.7, B2=17.9, I=16.6, R1=16.9, R2=16.7 | USNO-B1 | |
| 49.5 | 351.7265 | 26.5851 | h=13.3, j=13.6, k=13.2 | 2MASS | |
| 49.5 | 351.7264 | 26.5851 | B1=15.4, B2=15.6, I=14.1, R1=14.5, R2=14.6 | USNO-B1 | |
| 50.0 | 351.7283 | 26.5879 | B1=19.5, B2=19.1, I=18.1, R1=18.8, R2=18.1 | USNO-B1 | |
| 51.6 | 351.7540 | 26.5716 | B1=20.0, B2=20.6, I=18.8, R1=19.3, R2=19.4 | USNO-B1 | |
| 65.8 | 351.7240 | 26.5900 | B1=19.4, B2=19.9, I=19.2, R1=19.4, R2=19.3 | USNO-B1 | |
| 71.9 | 351.7266 | 26.5631 | I=19.2, R2=19.5 | USNO-B1 | |
| 73.6 | 351.7425 | 26.5586 | B2=20.1, I=19.2, R1=19.2, R2=19.2 | USNO-B1 | |
| 74.0 | 351.7371 | 26.5992 | h=14.2, j=14.6, k=14.1 | 2MASS | |
| 74.0 | 351.7370 | 26.5993 | B1=16.6, B2=16.5, I=15.0, R1=15.3, R2=15.5 | USNO-B1 | |
| 74.4 | 351.7260 | 26.5626 | B1=19.5, B2=20.2, I=19.3, R1=19.3, R2=19.5 | USNO-B1 | |
| 75.2 | 351.7228 | 26.5929 | h=15.5, j=16.5, k=15.3 | 2MASS | |
| 75.3 | 351.7229 | 26.5930 | B1=19.9, B2=20.1, I=18.0, R1=19.2, R2=18.8 | USNO-B1 | |
| 75.7 | 351.7635 | 26.5760 | B1=15.4, B2=15.4, I=14.0, R1=13.8, R2=14.6 | USNO-B1 | |
| 75.8 | 351.7635 | 26.5760 | h=13.3, j=13.7, k=13.2 | 2MASS | |
| 77.1 | 351.7193 | 26.5685 | B2=20.5, R2=20.3 | USNO-B1 | |
| 78.4 | 351.7159 | 26.5779 | h=15.3, j=16.3, k=15.3 | 2MASS | |
| 78.7 | 351.7158 | 26.5780 | B1=19.1, B2=19.3, I=17.2, R1=17.9, R2=17.5 | USNO-B1 | |
| 83.7 | 351.7279 | 26.5584 | B1=19.7, B2=20.1, I=18.0, R1=18.7, R2=18.5 | USNO-B1 | |
| 84.0 | 351.7281 | 26.5582 | h=15.8, j=16.8, k=15.3 | 2MASS | |
| 86.5 | 351.7462 | 26.6023 | h=16.2, j=16.5, k=15.9 | 2MASS | |
| 86.9 | 351.7460 | 26.6025 | B1=19.7, B2=20.1, I=18.1, R1=18.9, R2=18.4 | USNO-B1 | |
| 89.0 | 351.7542 | 26.6002 | B2=20.6, R1=19.7, R2=19.3 | USNO-B1 | |
| 93.9 | 351.7125 | 26.5871 | B2=21.3, I=19.0, R1=19.9, R2=20.0 | USNO-B1 | |
| 95.1 | 351.7589 | 26.5585 | B2=20.3, I=19.2, R1=19.3, R2=19.6 | USNO-B1 | |
| 95.5 | 351.7359 | 26.5527 | h=11.4, j=11.8, k=11.4 | 2MASS | |
| 95.6 | 351.7359 | 26.5526 | B1=13.5, B2=13.3, I=11.7, R1=12.3, R2=12.5 | USNO-B1 | |
| 98.5 | 351.7198 | 26.5585 | B1=19.9, B2=20.5, I=17.7, R1=18.6, R2=18.7 | USNO-B1 | |
| 98.8 | 351.7113 | 26.5697 | B2=21.1, I=19.1, R1=19.3, R2=19.7 | USNO-B1 | |
| 98.8 | 351.7197 | 26.5584 | h=15.8, j=16.3, k=15.7 | 2MASS | |
| 103.4 | 351.7471 | 26.5508 | B1=19.6, B2=19.5, I=18.5, R1=18.7, R2=18.7 | USNO-B1 | |
| 103.6 | 351.7346 | 26.5506 | B1=19.0, B2=17.7, I=18.8, R1=19.4, R2=17.4 | USNO-B1 | |
| 105.8 | 351.7185 | 26.6010 | B1=17.4, I=16.5, R1=17.4 | USNO-B1 | |
| 107.1 | 351.7176 | 26.6007 | B1=17.7, R1=16.7 | USNO-B1 | |
| 109.3 | 351.7086 | 26.5678 | h=15.2, j=15.7, k=14.7 | 2MASS | |
| 109.3 | 351.7086 | 26.5678 | B1=19.7, B2=19.7, I=16.6, R1=18.0, R2=17.8 | USNO-B1 | |
| 109.8 | 351.7171 | 26.6013 | B1=17.5, B2=14.6, I=15.8, R1=16.4, R2=15.3 | USNO-B1 | |
| 110.1 | 351.7740 | 26.5838 | B1=19.9, B2=21.1, I=19.4, R2=20.5 | USNO-B1 | |
| 113.2 | 351.7064 | 26.5874 | h=14.2, j=14.5, k=14.1 | 2MASS | |
| 113.5 | 351.7063 | 26.5875 | B1=16.2, B2=16.2, I=14.7, R1=15.1, R2=15.3 | USNO-B1 | |
| 114.6 | 351.7062 | 26.5695 | h=16.1, j=16.7, k=15.7 | 2MASS | |
| 114.7 | 351.7061 | 26.5696 | B1=19.9, B2=20.1, I=18.0, R1=18.2, R2=18.4 | USNO-B1 | |
| 119.4 | 351.7138 | 26.6022 | B1=19.1, B2=18.0 | USNO-B1 | |
| 120.4 | 351.7314 | 26.6114 | B1=19.6, B2=19.9, I=18.6, R1=18.9, R2=18.3 | USNO-B1 | |
| 122.3 | 351.7125 | 26.6022 | B1=19.8, B2=20.5, R2=20.1 | USNO-B1 | |
| 125.5 | 351.7195 | 26.6084 | h=15.8, j=16.0, k=15.2 | 2MASS | |
| 125.6 | 351.7195 | 26.6085 | B1=17.4, B2=17.7, I=16.8, R1=16.8, R2=16.8 | USNO-B1 | |
| 126.1 | 351.7695 | 26.5557 | B1=19.8, B2=21.1, R2=20.6 | USNO-B1 | |
| 126.1 | 351.7679 | 26.6037 | B1=18.7, I=17.7, R1=18.8, R2=18.9 | USNO-B1 | |
| 128.2 | 351.7800 | 26.5784 | B1=19.7, B2=20.8, R2=20.5 | USNO-B1 | |
| 129.6 | 351.7064 | 26.5985 | h=15.4, j=16.1, k=15.2 | 2MASS | |
| 129.7 | 351.7065 | 26.5987 | B1=18.8, B2=18.6, I=17.2, R1=17.4, R2=17.3 | USNO-B1 | |
| 130.6 | 351.7703 | 26.5546 | B1=20.0, R2=19.9 | USNO-B1 | |
| 131.0 | 351.7699 | 26.5540 | B2=21.0, I=19.3, R1=19.0, R2=20.0 | USNO-B1 | |
| 136.0 | 351.6983 | 26.5743 | B1=19.9, B2=19.6, I=16.8, R1=18.5, R2=17.9 | USNO-B1 | |
| 136.2 | 351.6982 | 26.5748 | h=15.7, j=16.2, k=15.2 | 2MASS | |
| 137.4 | 351.7234 | 26.6140 | B1=19.3, B2=18.8, I=17.9, R1=18.1, R2=18.1 | USNO-B1 | |
| 138.4 | 351.7230 | 26.6142 | B1=19.8, R2=20.7 | USNO-B1 | |
| 138.8 | 351.7016 | 26.5960 | B1=17.9, B2=18.1, I=17.0, R1=17.0, R2=17.0 | USNO-B1 | |
| 138.8 | 351.7015 | 26.5960 | h=15.7, j=16.0, k=15.7 | 2MASS | |
| 140.1 | 351.7228 | 26.5432 | B2=20.8, I=18.8, R1=19.4, R2=19.4 | USNO-B1 | |
| 140.5 | 351.7707 | 26.6068 | B2=21.1, I=18.4, R1=19.8, R2=19.9 | USNO-B1 | |
| 141.8 | 351.7549 | 26.6160 | B1=19.8, B2=20.7, R1=19.7, R2=20.1 | USNO-B1 | |
| 143.6 | 351.7311 | 26.5399 | B1=19.3, B2=19.6, I=19.1, R1=18.9, R2=19.1 | USNO-B1 | |
| 144.5 | 351.7080 | 26.5509 | B2=21.0, R1=19.8, R2=20.3 | USNO-B1 | |
| 145.0 | 351.7815 | 26.5950 | B1=19.9, R1=18.1 | USNO-B1 | |
| 146.8 | 351.7336 | 26.6193 | B1=19.6, B2=20.2, I=19.3, R1=19.4, R2=19.3 | USNO-B1 | |
| 147.8 | 351.7602 | 26.6159 | B2=21.0, R2=20.8 | USNO-B1 | |
| 149.4 | 351.7817 | 26.5975 | B1=19.8, B2=20.2, I=19.3, R1=19.2, R2=19.5 | USNO-B1 | |
| 149.8 | 351.7083 | 26.5486 | B1=18.6, B2=17.2, I=15.2, R1=16.0, R2=16.1 | USNO-B1 | |
| 150.5 | 351.7205 | 26.6168 | B1=19.1, B2=19.5, I=19.3, R1=19.3, R2=19.1 | USNO-B1 | |
| 150.8 | 351.7079 | 26.5485 | h=15.4, j=16.1, k=15.0 | 2MASS | |
| 151.7 | 351.7834 | 26.5621 | B1=18.8, B2=19.2, I=18.8, R1=18.8, R2=18.4 | USNO-B1 | |
| 153.5 | 351.7867 | 26.5884 | h=14.5, j=15.3, k=14.5 | 2MASS | |
| 153.6 | 351.7867 | 26.5884 | B1=18.1, B2=18.2, I=16.0, R1=16.4, R2=16.5 | USNO-B1 | |
| 156.3 | 351.7332 | 26.6219 | B1=19.9, B2=20.7, R2=20.1 | USNO-B1 | |
| 156.4 | 351.7806 | 26.5547 | B2=20.3, I=19.5, R2=20.1 | USNO-B1 | |
| 157.0 | 351.7844 | 26.5974 | h=15.6, j=16.6, k=15.8 | 2MASS | |
| 157.1 | 351.7844 | 26.5975 | B1=18.6, B2=18.7, I=17.4, R1=17.6, R2=17.5 | USNO-B1 | |
| 157.3 | 351.6999 | 26.6036 | B1=18.6, B2=18.6, I=19.0, R2=18.2 | USNO-B1 | |
| 158.5 | 351.6912 | 26.5743 | I=19.4, R1=20.0, R2=20.2 | USNO-B1 | |
| 159.3 | 351.6943 | 26.5955 | B1=23.2, B2=21.2, R2=20.5 | USNO-B1 | |
| 159.8 | 351.6906 | 26.5805 | B1=19.3, B2=19.5, R1=18.8, R2=18.7 | USNO-B1 | |
| 159.8 | 351.6963 | 26.5582 | B2=21.3, I=18.4, R1=19.8, R2=19.8 | USNO-B1 | |
| 159.9 | 351.6996 | 26.6045 | B1=19.9, B2=16.3, R2=17.5 | USNO-B1 | |
| 160.2 | 351.6962 | 26.5581 | h=16.1, j=16.8, k=15.5 | 2MASS | |
| 161.2 | 351.6967 | 26.6011 | B1=17.9, I=17.1 | USNO-B1 | |
| 162.5 | 351.7637 | 26.6188 | B1=19.8, B2=20.9, I=19.5, R2=20.1 | USNO-B1 | |
| 164.5 | 351.7075 | 26.5438 | B1=16.3, B2=16.5, I=15.2, R1=15.3, R2=15.7 | USNO-B1 | |
| 164.6 | 351.7075 | 26.5437 | h=14.5, j=14.8, k=14.6 | 2MASS | |
| 164.7 | 351.6955 | 26.6011 | B1=17.4, I=15.5, R1=16.2 | USNO-B1 | |
| 168.1 | 351.6936 | 26.6000 | B1=19.0, B2=17.6, R1=18.4 | USNO-B1 | |
| 168.7 | 351.6970 | 26.6054 | B1=20.0, B2=17.4, R2=17.3 | USNO-B1 | |
| 168.9 | 351.6933 | 26.5999 | B1=18.1, R2=18.5 | USNO-B1 | |
| 168.9 | 351.6989 | 26.6078 | B1=17.6, B2=17.6, R1=16.0, R2=18.7 | USNO-B1 | |
| 169.2 | 351.7846 | 26.5538 | B2=21.2, R2=20.3 | USNO-B1 | |
| 169.4 | 351.6951 | 26.6031 | h=15.4, j=16.0, k=13.9 | 2MASS | |
| 170.3 | 351.7883 | 26.5985 | B1=19.6, B2=19.8, R1=19.5, R2=19.1 | USNO-B1 | |
| 170.4 | 351.6987 | 26.6083 | B1=19.7, B2=18.3, I=19.2, R2=16.6 | USNO-B1 | |
| 170.6 | 351.7763 | 26.5442 | B2=20.2, I=18.9, R1=19.1, R2=19.2 | USNO-B1 | |
| 170.7 | 351.7867 | 26.6017 | B1=19.7, B2=21.1, R2=20.6 | USNO-B1 | |
| 170.8 | 351.6925 | 26.5581 | h=16.0, j=17.0, k=16.0 | 2MASS | |
| 170.9 | 351.6924 | 26.5582 | B2=20.8, I=18.4, R1=19.1, R2=19.3 | USNO-B1 | |
| 171.0 | 351.6949 | 26.6037 | B1=11.9, B2=10.6, I=10.5, R1=10.7, R2=10.4 | USNO-B1 | |
| 171.8 | 351.7117 | 26.6192 | B2=21.0, I=19.1, R1=19.5, R2=19.3 | USNO-B1 | |
| 172.6 | 351.6947 | 26.6043 | h=15.3, j=15.9, k=13.9 | 2MASS | |
| 174.3 | 351.7347 | 26.5307 | B1=20.0, B2=20.8, I=17.9, R1=18.2, R2=19.2 | USNO-B1 | |
| 174.7 | 351.7348 | 26.5306 | h=15.8, j=16.3, k=15.6 | 2MASS | |
| 174.8 | 351.7467 | 26.5307 | B1=20.0, R2=20.6 | USNO-B1 | |
| 175.6 | 351.7825 | 26.5481 | B2=21.4, R2=20.6 | USNO-B1 | |
| 177.1 | 351.7511 | 26.5307 | B2=20.5, R1=19.7, R2=20.1 | USNO-B1 | |
| 177.6 | 351.7464 | 26.6279 | R1=20.0, R2=19.8 | USNO-B1 | |
| 178.2 | 351.6979 | 26.6108 | B2=20.4, R2=20.0 | USNO-B1 | |
| 178.8 | 351.7768 | 26.5415 | B2=21.0, R1=19.3, R2=20.4 | USNO-B1 | |
| 179.6 | 351.7675 | 26.6224 | h=13.9, j=14.3, k=13.8 | 2MASS | |
| 179.6 | 351.7896 | 26.6022 | B1=19.8, B2=21.2, I=19.4, R1=19.6, R2=19.9 | USNO-B1 | |
| 180.0 | 351.7676 | 26.6225 | B1=16.4, B2=16.6, I=14.7, R1=15.0, R2=15.4 | USNO-B1 | |
| 180.1 | 351.7709 | 26.5371 | B1=19.6, B2=21.4, R2=20.2 | USNO-B1 | |
| 182.8 | 351.6907 | 26.6039 | B1=18.2, B2=16.9 | USNO-B1 | |
| 183.2 | 351.7966 | 26.5724 | B1=20.0, I=19.1 | USNO-B1 | |
| 185.8 | 351.7655 | 26.6253 | B2=20.3, I=18.9, R1=19.3, R2=19.1 | USNO-B1 | |
| 187.1 | 351.6871 | 26.6000 | B2=18.6, R2=20.2 | USNO-B1 | |
| 187.4 | 351.7263 | 26.5283 | B2=21.0, I=18.9, R2=19.8 | USNO-B1 | |
| 189.1 | 351.7492 | 26.6308 | B1=15.1, B2=15.0, I=12.9, R1=13.5, R2=13.8 | USNO-B1 | |
| 189.1 | 351.7492 | 26.6308 | h=12.2, j=12.7, k=12.1 | 2MASS | |
| 189.2 | 351.6857 | 26.5986 | B2=20.1, R2=20.4 | USNO-B1 | |
| 189.8 | 351.6874 | 26.6024 | h=13.1, j=13.7, k=13.0 | 2MASS | |
| 190.1 | 351.7991 | 26.5830 | I=19.4, R2=20.5 | USNO-B1 | |
| 190.2 | 351.7749 | 26.5361 | h=16.1, j=16.9, k=15.3 | 2MASS | |
| 190.5 | 351.7748 | 26.5360 | B1=19.5, B2=21.1, I=18.5, R1=18.6, R2=19.0 | USNO-B1 | |
| 190.6 | 351.6852 | 26.5984 | B1=20.0, B2=21.1, R2=20.6 | USNO-B1 | |
| 191.4 | 351.7750 | 26.5358 | B2=21.1, I=18.8, R1=18.7, R2=19.5 | USNO-B1 | |
| 191.8 | 351.7949 | 26.5578 | h=16.0, j=16.7, k=15.2 | 2MASS | |
| 192.2 | 351.7951 | 26.5578 | B2=19.8, I=17.6, R1=18.5, R2=18.2 | USNO-B1 | |
| 194.7 | 351.7274 | 26.6318 | I=19.3, R1=20.0, R2=20.3 | USNO-B1 | |
| 194.8 | 351.7047 | 26.5351 | B1=19.8, B2=20.6, I=19.4, R1=19.5, R2=19.6 | USNO-B1 | |
| 194.9 | 351.7934 | 26.5530 | B1=19.7, B2=20.8, R1=19.8, R2=20.5 | USNO-B1 | |
| 198.2 | 351.7249 | 26.6322 | R1=18.9, R2=20.0 | USNO-B1 | |
| 199.0 | 351.7977 | 26.5586 | B2=19.9, I=16.9, R1=17.8, R2=18.0 | USNO-B1 | |
| 199.3 | 351.7978 | 26.5586 | h=14.7, j=15.3, k=14.4 | 2MASS | |
* 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.