NICER observation list: Target ID 767201

Abstract

GSN 069 is the first galactic nucleus in which X-ray quasi-periodic eruptions (QPEs) have been identified. These are very intense soft X-ray bursts lasting ~1 hr and recurring every few hr. The long-term evolution of GSN 069, as determined by ~ 12 yr-long public data from Swift and XMM-Newton, shows that the source is consistent with two repeating partial tidal disruption events (TDE) ~ 9 yr apart, although this interpretation of the long-term flaring activity in the X-ray band can only be confirmed with continuous monitoring over the next few years. We request monitoring observations of GSN 069 covering the whole cycle 6 to monitor its long-term evolution.
Obsid RA DEC l b Start End Exposure Number of
Modules
Number of
Processing
Status of
Processing
Date of
Processing
Public
date
7672010401 19.786 -34.192 264.503 -80.764 60447.1067 60447.4350 1595.0 50 4 VALIDATED 60461.4 60641
7672010402 19.786 -34.192 264.501 -80.765 60462.0009 60462.7359 3315.1 35 2 VALIDATED 60475.2 60656
7672010601 19.786 -34.189 264.489 -80.767 60477.7373 60477.9368 1448.0 52 2 VALIDATED 60489.3 60671
7672010602 19.786 -34.190 264.493 -80.766 60477.9956 60478.1319 684.0 52 2 VALIDATED 60489.3 60672
7672010701 19.791 -34.194 264.493 -80.761 60497.7618 60497.9146 2114.0 41 4 VALIDATED 60508.2 60691
7672010801 19.786 -34.192 264.503 -80.765 60507.4954 60507.5773 2264.0 52 5 VALIDATED 60523.9 60701
7672010901 19.786 -34.192 264.502 -80.764 60517.6456 60517.9785 3207.2 41 6 VALIDATED 60542.4 60711
7672011001 19.786 -34.192 264.503 -80.764 60526.8048 60526.9472 2088.0 41 5 VALIDATED 60542.8 60720
7672011002 19.786 -34.192 264.504 -80.764 60527.0012 60527.0762 1333.0 50 6 VALIDATED 60547.2 60721
7672011003 19.785 -34.191 264.504 -80.766 60537.9690 60537.9785 711.2 52 4 VALIDATED 60549.4 60731
7672011004 19.785 -34.191 264.504 -80.766 60538.0336 60538.2366 2102.7 52 4 VALIDATED 60549.4 60732
7672011101 19.784 -34.187 264.488 -80.769 60547.3044 60547.5854 4430.0 52 3 VALIDATED 60559.4 60741
7672011102 19.786 -34.191 264.497 -80.765 60573.2806 60573.9380 5804.0 50 5 VALIDATED 60591.5 60767
7672011103 19.788 -34.191 264.494 -80.764 60573.9963 60574.7694 2147.0 50 5 VALIDATED 60591.5 60768
7672011201 19.790 -34.193 264.493 -80.762 60567.4701 60567.6697 2785.0 50 5 VALIDATED 60591.4 60761
7672011202 19.787 -34.192 264.500 -80.764 60577.0218 60577.9947 3846.0 50 6 VALIDATED 60591.7 60771
7672011203 19.786 -34.192 264.502 -80.764 60578.1192 60578.9625 3298.0 50 4 VALIDATED 60591.7 60772
7672011204 19.786 -34.193 264.505 -80.764 60579.0208 60579.9949 3286.0 50 6 VALIDATED 60591.8 60773
7672011205 19.786 -34.192 264.504 -80.764 60579.9985 60580.0674 1207.0 50 5 VALIDATED 60591.8 60774
7672011206 19.786 -34.192 264.504 -80.764 60581.2113 60581.2856 1196.0 50 4 VALIDATED 60592.0 60775
7672011207 19.786 -34.193 264.505 -80.764 60583.0164 60583.0894 574.0 50 5 VALIDATED 60595.3 60777
7672011208 19.785 -34.193 264.507 -80.764 60585.5444 60585.6164 1338.0 50 4 VALIDATED 60595.6 60779
7672011301 19.786 -34.192 264.505 -80.764 60587.1493 60587.2880 1681.0 50 4 VALIDATED 60597.8 60781
7672011302 19.786 -34.192 264.501 -80.764 60589.4033 60589.4179 1136.0 50 4 VALIDATED 60599.8 60783
7672011303 19.786 -34.193 264.507 -80.764 60591.8662 60591.8785 841.0 50 3 VALIDATED 60602.1 60785
7672011304 19.786 -34.193 264.505 -80.764 60593.2822 60593.3000 1067.0 50 4 VALIDATED 60603.4 60787
7672011305 19.786 -34.192 264.502 -80.764 60595.9331 60595.9454 817.0 50 4 VALIDATED 60607.0 60789
7672011401 19.786 -34.193 264.504 -80.764 60597.1558 60597.2995 1736.0 50 3 VALIDATED 60607.2 60791
7672011402 19.786 -34.192 264.501 -80.765 60598.7787 60598.7910 1017.0 50 5 VALIDATED 60612.9 60792
7672011403 19.786 -34.192 264.500 -80.765 60600.0722 60600.9603 1728.0 50 4 VALIDATED 60613.1 60794
7672011404 19.786 -34.192 264.502 -80.764 60601.0216 60601.9502 2156.0 41 4 VALIDATED 60613.2 60795
7672011405 19.786 -34.192 264.502 -80.764 60602.0538 60602.9639 260.0 41 2 VALIDATED 60613.3 60796
7672011406 19.786 -34.192 264.504 -80.764 60603.0859 60603.9961 0.0 41 4 VALIDATED 60615.0 60797
7672011407 19.787 -34.192 264.499 -80.765 60604.1187 60604.8991 0.0 41 4 VALIDATED 60615.2 60798
7672011408 19.786 -34.192 264.503 -80.765 60605.0217 60605.9303 466.0 41 4 VALIDATED 60616.8 60799
7672011409 19.786 -34.191 264.501 -80.765 60606.0537 60606.9623 0.0 41 3 VALIDATED 60616.9 60800
7672011501 19.786 -34.191 264.495 -80.765 60607.0856 60607.9942 0.0 41 4 VALIDATED 60618.6 60801
7672011502 19.786 -34.191 264.498 -80.766 60608.1176 60608.5116 0.0 41 3 VALIDATED 60618.7 60802
7672011503 19.786 -34.192 264.503 -80.765 60609.0977 60609.8157 2435.0 50 5 VALIDATED 60620.6 60803
7672011504 19.786 -34.191 264.501 -80.765 60611.4789 60611.4912 1018.0 50 5 VALIDATED 60623.1 60805
7672011505 19.786 -34.192 264.502 -80.764 60612.7636 60612.8989 515.0 50 5 VALIDATED 60625.6 60806
7672011506 19.786 -34.192 264.502 -80.765 60615.0940 60615.7477 1490.0 50 4 VALIDATED 60626.0 60809
7672011601 19.786 -34.192 264.503 -80.765 60617.9963 60618.4553 2084.0 50 4 VALIDATED 60629.7 60812
7672011602 19.786 -34.192 264.504 -80.765 60619.0958 60619.3581 994.0 50 4 VALIDATED 60629.8 60813
7672011701 19.789 -34.194 264.502 -80.761 60631.3600 60631.4282 454.0 50 4 VALIDATED 60641.7 60825
7672011702 19.790 -34.195 264.501 -80.760 60632.3914 60632.4616 774.0 50 6 VALIDATED 60643.7 60826
7672011703 19.788 -34.197 264.515 -80.760 60633.4211 60633.6882 1159.0 50 5 VALIDATED 60643.8 60827
7672011801 19.787 -34.192 264.500 -80.764 60637.2213 60637.8770 2679.0 50 4 VALIDATED 60647.9 60831
7672011802 19.787 -34.192 264.497 -80.764 60639.1037 60639.3655 217.0 50 5 VALIDATED 60650.2 60833
7672011803 19.789 -34.192 264.490 -80.763 60641.9273 60641.9951 421.0 50 5 VALIDATED 60651.8 60835
7672011804 19.791 -34.197 264.504 -80.758 60642.0008 60642.0030 73.0 50 4 VALIDATED 60651.8 60836
7672011805 19.786 -34.192 264.501 -80.765 60643.2380 60643.5023 248.0 50 5 VALIDATED 60654.4 60837
7672011806 19.787 -34.192 264.499 -80.765 60644.2065 60644.2120 0.0 41 5 VALIDATED 60654.5 60838
7672011807 19.786 -34.192 264.500 -80.765 60645.2361 60645.3731 486.0 50 6 VALIDATED 60655.8 60839
7672011901 19.787 -34.191 264.495 -80.764 60649.2825 60649.4817 0.0 41 7 VALIDATED 60661.8 60843
7672011902 19.787 -34.192 264.501 -80.764 60650.3145 60650.3889 37.0 50 5 VALIDATED 60661.8 60844
7672011903 19.786 -34.192 264.501 -80.765 60651.0889 60651.1616 0.0 41 4 VALIDATED 60661.9 60845
7672011904 19.786 -34.192 264.504 -80.765 60652.0563 60652.1306 0.0 41 5 VALIDATED 60662.0 60846
7672011905 19.786 -34.192 264.502 -80.764 60653.1527 60653.2271 0.0 41 5 VALIDATED 60664.0 60847
7672011906 19.786 -34.192 264.504 -80.764 60654.1206 60654.1949 0.0 41 6 VALIDATED 60671.1 60848
7672011907 19.786 -34.192 264.502 -80.764 60655.2208 60655.9998 0.0 41 5 VALIDATED 60671.1 60849
7672011908 19.786 -34.192 264.503 -80.764 60656.0549 60656.2660 0.0 41 4 VALIDATED 60671.2 60850
7672012001 19.786 -34.192 264.503 -80.765 60657.0874 60657.5655 376.0 50 2 VALIDATED 60671.3 60851
7672012002 19.786 -34.192 264.502 -80.765 60658.0113 60658.2750 254.0 50 3 VALIDATED 60671.4 60852
7672012003 19.787 -34.191 264.498 -80.765 60659.0419 60659.1134 0.0 50 3 VALIDATED 60671.5 60853
7672012004 19.786 -34.191 264.499 -80.765 60660.0093 60660.0808 67.0 50 2 VALIDATED 60671.6 60854
7672012005 19.786 -34.192 264.504 -80.765 60661.4199 60661.4998 1176.0 50 2 VALIDATED 60673.9 60855
7672012006 19.786 -34.192 264.503 -80.765 60663.2965 60663.3699 1381.0 50 2 VALIDATED 60674.1 60857
7672012007 19.786 -34.192 264.503 -80.764 60665.5532 60665.6273 1040.0 50 3 VALIDATED 60675.8 60859
7672012101 19.786 -34.192 264.503 -80.764 60667.6173 60667.8206 1107.0 50 4 VALIDATED 60678.0 60861
7672012102 19.786 -34.192 264.504 -80.764 60669.6803 60669.7558 1486.0 50 3 VALIDATED 60680.0 60863
7672012103 19.786 -34.192 264.503 -80.765 60671.3585 60671.4970 1567.0 50 4 VALIDATED 60681.9 60865
7672012104 19.786 -34.192 264.502 -80.765 60673.1692 60673.2391 1250.0 50 4 VALIDATED 60684.1 60867
7672012105 19.786 -34.192 264.504 -80.764 60675.1627 60675.3613 1039.0 50 4 VALIDATED 60686.1 60869
7672012201 19.791 -34.192 264.483 -80.762 60677.3393 60677.7322 0.0 41 4 VALIDATED 60688.1 60871
7672012501 19.788 -34.193 264.501 -80.762 60704.4554 60704.8481 3049.0 50 5 VALIDATED 60717.0 60898