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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: 1062336;
Presumed name: GRB 210731A
| BAT | 20h 01m 15.36s, -28° 02′ 31.2″ |
|---|---|
| position: | (300.314, -28.042 ± 180″) |
| XRT | 20h 01m 12.86s, -28° 03′ 34.2″ |
| position: | (300.3036, -28.0595 ± 5.8″) |
| UVOT | No position available. |
| Galactic NHI: | 8.39×1020 cm-2 |
| Galactic E(B-V): | 0.102 mag |
| Best RA: | 20h 01m 12.86s | = 300.3036 d |
|---|---|---|
| Best Dec: | -28° 03′ 34.2″ | = -28.0595 d |
| Gal Lat: | -26.74 | |
| Gal Long: | 13.44 | |
| Sun angle: | 165.99°, -11.3 hr East of Sun | |
Galaxies within 200 of XRT position
| RA* | Dec* | Redshift | Catalogue | Query | ||
|---|---|---|---|---|---|---|
| 6.1 | 300.3054 | -28.0586 | NED |  | ||
| 10.9 | 300.3020 | -28.0568 | B=20.8, R2=19.6 | SSS | | |
| 16.0 | 300.3038 | -28.0639 | NED | | ||
| 20.4 | 300.3007 | -28.0646 | B=21.6, R2=20.6 | SSS | | |
| 25.7 | 300.2955 | -28.0597 | B=21.1, R2=20.5 | SSS | | |
| 27.4 | 300.2954 | -28.0617 | NED | | ||
| 31.0 | 300.3033 | -28.0681 | NED | | ||
| 32.5 | 300.2954 | -28.0542 | NED | | ||
| 32.5 | 300.2996 | -28.0511 | NED | | ||
| 32.7 | 300.2954 | -28.0540 | B=21.6, R2=19.4, i=18.7 | SSS | | |
| 37.7 | 300.3050 | -28.0700 | NED | | ||
| 39.8 | 300.3161 | -28.0594 | B=21.4, R2=19.6, i=19.0 | SSS | | |
| 41.9 | 300.3046 | -28.0481 | NED | | ||
| 42.3 | 300.3050 | -28.0478 | B=20.4, R2=19.6, i=19.2 | SSS | | |
| 42.4 | 300.3012 | -28.0711 | NED | | ||
| 42.5 | 300.2900 | -28.0586 | NED | | ||
| 47.5 | 300.3181 | -28.0563 | B=18.5, R2=17.1, i=16.5 | SSS | | |
| 47.6 | 300.3179 | -28.0564 | 0.113346 | NED | | |
| 47.7 | 300.3181 | -28.0562 | h=14.2, j=14.9, k=13.6 | 2MASS | | |
| 49.9 | 300.3158 | -28.0681 | NED | | ||
| 51.4 | 300.3187 | -28.0553 | NED | | ||
| 51.6 | 300.3062 | -28.0736 | NED | | ||
| 51.9 | 300.3199 | -28.0596 | B=22.0, R2=19.5 | SSS | | |
| 52.6 | 300.2950 | -28.0469 | NED | | ||
| 54.2 | 300.2904 | -28.0497 | NED | | ||
| 55.6 | 300.2987 | -28.0744 | NED | | ||
| 59.0 | 300.2896 | -28.0703 | NED | | ||
| 60.8 | 300.3179 | -28.0708 | NED | | ||
| 61.0 | 300.3169 | -28.0717 | B=20.3, R2=19.5 | SSS | | |
| 62.9 | 300.3192 | -28.0486 | NED | | ||
| 66.8 | 300.3121 | -28.0764 | NED | | ||
| 68.6 | 300.3133 | -28.0425 | NED | | ||
| 68.6 | 300.2821 | -28.0628 | NED | | ||
| 69.9 | 300.2823 | -28.0643 | B=21.1, R2=20.4 | SSS | | |
| 70.1 | 300.3150 | -28.0428 | NED | | ||
| 71.8 | 300.2962 | -28.0406 | NED | | ||
| 73.0 | 300.2824 | -28.0517 | B=22.1, R2=19.9 | SSS | | |
| 73.8 | 300.2858 | -28.0461 | NED | | ||
| 75.1 | 300.2800 | -28.0581 | NED | | ||
| 76.7 | 300.3213 | -28.0739 | NED | | ||
| 78.5 | 300.3283 | -28.0600 | NED | | ||
| 78.7 | 300.3267 | -28.0678 | NED | | ||
| 79.8 | 300.2833 | -28.0725 | B=21.5, R2=20.3, i=18.9 | SSS | | |
| 80.1 | 300.3246 | -28.0717 | NED | | ||
| 80.2 | 300.2937 | -28.0800 | NED | | ||
| 80.6 | 300.2937 | -28.0801 | B=20.7, R2=18.7, i=18.2 | SSS | | |
| 81.8 | 300.2875 | -28.0775 | NED | | ||
| 82.0 | 300.2908 | -28.0397 | NED | | ||
| 82.2 | 300.3200 | -28.0772 | NED | | ||
| 82.4 | 300.3283 | -28.0531 | NED | | ||
| 82.8 | 300.2971 | -28.0372 | NED | | ||
| 85.1 | 300.2767 | -28.0614 | NED | | ||
| 86.1 | 300.2800 | -28.0475 | NED | | ||
| 86.3 | 300.3062 | -28.0356 | NED | | ||
| 87.2 | 300.3304 | -28.0639 | NED | | ||
| 88.3 | 300.2793 | -28.0713 | B=21.8, R2=19.6, i=18.1 | SSS | | |
| 88.6 | 300.2792 | -28.0714 | NED | | ||
| 90.9 | 300.2958 | -28.0353 | NED | | ||
| 90.9 | 300.2935 | -28.0831 | B=22.3, R2=20.2 | SSS | | |
| 91.2 | 300.3321 | -28.0575 | NED | | ||
| 91.2 | 300.2933 | -28.0833 | NED | | ||
| 91.9 | 300.3233 | -28.0781 | NED | | ||
| 93.4 | 300.2783 | -28.0463 | B=22.5 | SSS | | |
| 93.6 | 300.3008 | -28.0853 | NED | | ||
| 95.2 | 300.3292 | -28.0458 | NED | | ||
| 96.0 | 300.2848 | -28.0386 | B=21.6, R2=19.7, i=18.3 | SSS | | |
| 96.6 | 300.2846 | -28.0386 | NED | | ||
| 97.0 | 300.2750 | -28.0500 | NED | | ||
| 97.3 | 300.2908 | -28.0842 | NED | | ||
| 97.4 | 300.3083 | -28.0328 | NED | | ||
| 97.9 | 300.2812 | -28.0781 | NED | | ||
| 100.4 | 300.3269 | -28.0406 | B=21.7, R2=20.0, i=19.1 | SSS | | |
| 100.7 | 300.3271 | -28.0406 | NED | | ||
| 101.0 | 300.2875 | -28.0836 | NED | | ||
| 103.0 | 300.2801 | -28.0792 | B=21.9 | SSS | | |
| 104.9 | 300.2717 | -28.0669 | B=21.3, R2=19.6, i=18.6 | SSS | | |
| 105.0 | 300.2717 | -28.0669 | NED | | ||
| 105.4 | 300.3311 | -28.0432 | B=22.0 | SSS | | |
| 106.1 | 300.2708 | -28.0525 | NED | | ||
| 106.8 | 300.3346 | -28.0706 | NED | | ||
| 107.0 | 300.2709 | -28.0526 | B=22.0, R2=20.5 | SSS | | |
| 107.6 | 300.3346 | -28.0478 | NED | | ||
| 109.2 | 300.2793 | -28.0809 | B=22.4, R2=20.6 | SSS | | |
| 109.9 | 300.2792 | -28.0811 | NED | | ||
| 109.9 | 300.3346 | -28.0460 | B=19.5 | SSS | | |
| 110.6 | 300.3187 | -28.0319 | NED | | ||
| 110.6 | 300.2687 | -28.0569 | NED | | ||
| 110.8 | 300.3280 | -28.0815 | B=21.7, R2=20.3 | SSS | | |
| 110.9 | 300.2688 | -28.0573 | B=20.4, R2=19.0, i=18.7 | SSS | | |
| 111.2 | 300.3363 | -28.0706 | B=21.0, R2=20.2 | SSS | | |
| 111.3 | 300.3312 | -28.0785 | B=22.1 | SSS | | |
| 112.7 | 300.3222 | -28.0329 | B=20.7, R2=19.7 | SSS | | |
| 113.6 | 300.2679 | -28.0619 | NED | | ||
| 113.7 | 300.3338 | -28.0425 | NED | | ||
| 113.8 | 300.2967 | -28.0286 | NED | | ||
| 113.9 | 300.3338 | -28.0424 | B=21.3, R2=19.1, i=18.8 | SSS | | |
| 114.0 | 300.3308 | -28.0800 | NED | | ||
| 115.0 | 300.2833 | -28.0331 | NED | | ||
| 115.1 | 300.3396 | -28.0611 | NED | | ||
| 117.5 | 300.2796 | -28.0842 | NED | | ||
| 117.9 | 300.3400 | -28.0536 | NED | | ||
| 118.2 | 300.3060 | -28.0922 | B2=21.6, I=17.8, R2=19.3 | USNO-B1 | | |
| 118.2 | 300.3375 | -28.0464 | NED | | ||
| 118.8 | 300.2788 | -28.0350 | NED | | ||
| 119.2 | 300.2790 | -28.0345 | B=21.0, R2=19.1 | SSS | | |
| 121.4 | 300.2939 | -28.0921 | B=21.7 | SSS | | |
| 122.4 | 300.3004 | -28.0256 | NED | | ||
| 122.5 | 300.3279 | -28.0858 | NED | | ||
| 123.5 | 300.3083 | -28.0936 | NED | | ||
| 123.7 | 300.2696 | -28.0425 | NED | | ||
| 124.2 | 300.2954 | -28.0258 | NED | | ||
| 124.6 | 300.3071 | -28.0250 | NED | | ||
| 125.5 | 300.3125 | -28.0256 | NED | | ||
| 126.4 | 300.2925 | -28.0258 | NED | | ||
| 126.6 | 300.2954 | -28.0251 | B=20.8, R2=19.8 | SSS | | |
| 126.7 | 300.2927 | -28.0256 | B2=20.8, R1=19.1, R2=19.5 | USNO-B1 | | |
| 127.9 | 300.3108 | -28.0944 | NED | | ||
| 128.5 | 300.3283 | -28.0311 | NED | | ||
| 128.5 | 300.2642 | -28.0517 | NED | | ||
| 130.3 | 300.2654 | -28.0731 | NED | | ||
| 130.8 | 300.3021 | -28.0231 | NED | | ||
| 131.2 | 300.3350 | -28.0358 | NED | | ||
| 131.6 | 300.3221 | -28.0267 | NED | | ||
| 131.7 | 300.3221 | -28.0268 | B=20.2, R2=18.9, i=18.4 | SSS | | |
| 131.8 | 300.3450 | -28.0589 | NED | | ||
| 132.8 | 300.2715 | -28.0832 | B=22.2 | SSS | | |
| 134.7 | 300.3429 | -28.0736 | B=19.2, R2=18.1, i=18.0 | SSS | | |
| 135.0 | 300.2754 | -28.0878 | NED | | ||
| 135.0 | 300.2757 | -28.0878 | B2=21.6, R2=19.4 | USNO-B1 | | |
| 135.0 | 300.2999 | -28.0969 | B1=19.1, B2=18.4, I=17.9, R1=18.3, R2=18.2 | USNO-B1 | | |
| 135.1 | 300.3312 | -28.0881 | NED | | ||
| 135.2 | 300.2756 | -28.0878 | B=21.8, R2=20.0, i=18.9 | SSS | | |
| 135.7 | 300.3000 | -28.0969 | NED | | ||
| 135.8 | 300.3163 | -28.0956 | NED | | ||
| 135.8 | 300.3429 | -28.0739 | NED | | ||
| 136.7 | 300.3462 | -28.0556 | NED | | ||
| 137.4 | 300.2896 | -28.0233 | NED | | ||
| 137.6 | 300.3454 | -28.0500 | NED | | ||
| 139.9 | 300.3117 | -28.0978 | NED | | ||
| 140.9 | 300.2604 | -28.0683 | NED | | ||
| 141.1 | 300.2602 | -28.0680 | B=20.7, R2=19.2, i=18.8 | SSS | | |
| 141.3 | 300.3358 | -28.0325 | NED | | ||
| 142.7 | 300.3050 | -28.0200 | NED | | ||
| 144.2 | 300.2634 | -28.0782 | B=20.9, R2=19.4, i=18.7 | SSS | | |
| 144.4 | 300.2983 | -28.0197 | NED | | ||
| 144.8 | 300.3046 | -28.0997 | NED | | ||
| 144.9 | 300.2633 | -28.0786 | NED | | ||
| 146.3 | 300.3154 | -28.0203 | NED | | ||
| 146.9 | 300.3271 | -28.0944 | NED | | ||
| 147.6 | 300.2636 | -28.0804 | B=20.4, R2=20.0 | SSS | | |
| 148.3 | 300.3338 | -28.0281 | NED | | ||
| 148.7 | 300.3271 | -28.0239 | NED | | ||
| 150.5 | 300.3492 | -28.0708 | NED | | ||
| 150.7 | 300.2638 | -28.0367 | B=21.9 | SSS | | |
| 150.7 | 300.3435 | -28.0822 | B=20.4, R2=19.5 | SSS | | |
| 151.2 | 300.2692 | -28.0305 | I=18.9, R1=19.2, R2=19.2 | USNO-B1 | | |
| 151.3 | 300.2691 | -28.0305 | B=21.4, R2=19.3, i=19.0 | SSS | | |
| 151.3 | 300.2637 | -28.0367 | NED | | ||
| 151.6 | 300.3221 | -28.0983 | NED | | ||
| 152.3 | 300.2683 | -28.0306 | NED | | ||
| 153.1 | 300.3067 | -28.1019 | NED | | ||
| 153.7 | 300.3471 | -28.0783 | NED | | ||
| 154.4 | 300.3112 | -28.0172 | NED | | ||
| 154.4 | 300.3512 | -28.0511 | NED | | ||
| 154.6 | 300.3462 | -28.0389 | NED | | ||
| 154.7 | 300.3416 | -28.0327 | B=22.0 | SSS | | |
| 154.8 | 300.2567 | -28.0717 | NED | | ||
| 155.0 | 300.2875 | -28.1003 | NED | | ||
| 155.9 | 300.2908 | -28.1014 | NED | | ||
| 156.6 | 300.2563 | -28.0717 | B=19.2, R2=18.2, i=17.4 | SSS | | |
| 157.1 | 300.2542 | -28.0620 | B=21.1, R2=20.5 | SSS | | |
| 157.1 | 300.2596 | -28.0392 | NED | | ||
| 157.3 | 300.2689 | -28.0284 | B=21.7, R2=20.4 | SSS | | |
| 157.6 | 300.2597 | -28.0392 | B=20.3, R2=18.5, i=18.0 | SSS | | |
| 157.6 | 300.3414 | -28.0878 | B=20.2, R2=18.6, i=17.8 | SSS | | |
| 157.7 | 300.3258 | -28.0986 | NED | | ||
| 157.9 | 300.3042 | -28.0156 | NED | | ||
| 158.0 | 300.3413 | -28.0881 | NED | | ||
| 158.6 | 300.3533 | -28.0578 | NED | | ||
| 159.2 | 300.2717 | -28.0936 | NED | | ||
| 160.3 | 300.2538 | -28.0661 | NED | | ||
| 161.5 | 300.2825 | -28.0186 | NED | | ||
| 161.8 | 300.2546 | -28.0467 | NED | | ||
| 162.1 | 300.3542 | -28.0661 | NED | | ||
| 163.3 | 300.3329 | -28.0222 | NED | | ||
| 163.4 | 300.3133 | -28.1042 | NED | | ||
| 163.4 | 300.3467 | -28.0350 | NED | | ||
| 163.5 | 300.3379 | -28.0256 | NED | | ||
| 164.3 | 300.2523 | -28.0655 | B1=20.1, B2=21.7, R1=17.9 | USNO-B1 | | |
| 164.6 | 300.3346 | -28.0228 | NED | | ||
| 166.3 | 300.2512 | -28.0592 | NED | | ||
| 166.5 | 300.3242 | -28.1019 | NED | | ||
| 167.1 | 300.2733 | -28.0975 | NED | | ||
| 167.4 | 300.3267 | -28.0178 | NED | | ||
| 167.5 | 300.2508 | -28.0631 | NED | | ||
| 167.7 | 300.3549 | -28.0706 | B=21.8, R2=19.6, i=18.3 | SSS | | |
| 167.9 | 300.2754 | -28.0200 | NED | | ||
| 168.0 | 300.3550 | -28.0708 | NED | | ||
| 168.1 | 300.3300 | -28.1000 | NED | | ||
| 168.1 | 300.2871 | -28.0150 | NED | | ||
| 168.1 | 300.3087 | -28.0131 | NED | | ||
| 169.2 | 300.2529 | -28.0739 | NED | | ||
| 169.4 | 300.2600 | -28.0867 | NED | | ||
| 171.4 | 300.2517 | -28.0722 | NED | | ||
| 171.8 | 300.2645 | -28.0924 | B=22.2, i=18.9 | SSS | | |
| 172.0 | 300.3000 | -28.1072 | NED | | ||
| 172.0 | 300.3507 | -28.0359 | B=21.0, R2=19.2, i=18.7 | SSS | | |
| 172.1 | 300.3504 | -28.0358 | NED | | ||
| 172.3 | 300.3533 | -28.0783 | NED | | ||
| 173.9 | 300.3250 | -28.0150 | B=20.0, R2=19.0, i=18.7 | SSS | | |
| 173.9 | 300.3425 | -28.0936 | NED | | ||
| 173.9 | 300.3250 | -28.0150 | NED | | ||
| 174.4 | 300.2658 | -28.0242 | NED | | ||
| 174.4 | 300.3424 | -28.0938 | B=21.2, R2=19.4, i=18.3 | SSS | | |
| 175.1 | 300.2604 | -28.0294 | NED | | ||
| 175.2 | 300.2983 | -28.0111 | NED | | ||
| 175.7 | 300.3248 | -28.0144 | B2=20.3, I=18.8 | USNO-B1 | | |
| 176.9 | 300.3400 | -28.0225 | NED | | ||
| 177.1 | 300.3096 | -28.0106 | NED | | ||
| 177.2 | 300.2562 | -28.0331 | NED | | ||
| 177.5 | 300.3579 | -28.0700 | NED | | ||
| 178.0 | 300.2842 | -28.0131 | NED | | ||
| 178.0 | 300.3558 | -28.0417 | NED | | ||
| 178.1 | 300.2700 | -28.0992 | NED | | ||
| 178.3 | 300.3404 | -28.0221 | B2=20.3, I=17.8, R1=18.6, R2=18.9 | USNO-B1 | | |
| 179.2 | 300.3075 | -28.1092 | NED | | ||
| 180.1 | 300.3454 | -28.0258 | NED | | ||
| 181.4 | 300.2875 | -28.0111 | NED | | ||
| 182.7 | 300.3554 | -28.0817 | NED | | ||
| 183.1 | 300.2564 | -28.0303 | B=20.8 | SSS | | |
| 183.5 | 300.2500 | -28.0400 | NED | | ||
| 184.4 | 300.3467 | -28.0939 | NED | | ||
| 184.7 | 300.3592 | -28.0442 | NED | | ||
| 185.7 | 300.3379 | -28.1011 | NED | | ||
| 186.0 | 300.3617 | -28.0664 | NED | | ||
| 186.5 | 300.2737 | -28.0147 | NED | | ||
| 187.2 | 300.2671 | -28.0186 | NED | | ||
| 188.6 | 300.2611 | -28.0230 | B=20.4 | SSS | | |
| 190.3 | 300.2950 | -28.1119 | NED | | ||
| 190.4 | 300.2608 | -28.0222 | NED | | ||
| 190.7 | 300.2542 | -28.0292 | NED | | ||
| 191.2 | 300.3383 | -28.0161 | NED | | ||
| 192.5 | 300.2867 | -28.0081 | NED | | ||
| 192.9 | 300.2437 | -28.0689 | NED | | ||
| 193.0 | 300.3296 | -28.1081 | NED | | ||
| 193.1 | 300.2596 | -28.0225 | NED | | ||
| 193.2 | 300.2437 | -28.0688 | B=21.8, R2=20.3 | SSS | | |
| 193.6 | 300.2454 | -28.0753 | NED | | ||
| 194.1 | 300.3642 | -28.0533 | NED | | ||
| 194.8 | 300.2571 | -28.0950 | NED | | ||
| 195.4 | 300.3533 | -28.0911 | NED | | ||
| 195.4 | 300.2425 | -28.0517 | NED | | ||
| 197.5 | 300.3371 | -28.0133 | NED | | ||
| 197.7 | 300.3121 | -28.1139 | NED | | ||
| 197.7 | 300.2622 | -28.1005 | B=21.8 | SSS | | |
| 198.1 | 300.3650 | -28.0494 | NED | | ||
| 199.0 | 300.3471 | -28.0200 | NED | | ||
| 199.0 | 300.2504 | -28.0889 | 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