NICER observation list: Target ID 462801
- Proposal Number = 4628
- Target ID = 462801
- Target Name = Mkn_817
- Proposal Title = AGN REVERBERATION MAPPING OF GAS FLOWS IN MRK 817 WITH NICER AND HUBBLE
- PI = EDWARD CACKETT
- Proposal Category = ACTIVE GALAXIES AND QUASARS
- Cycle number = 4
- Observation Type = NOR
Abstract
Knowledge of the structure and kinematics of gas around supermassive black holes is vital to understanding accretion and thus AGN feedback. To this end, a multiwavelength reverberation mapping (RM) campaign on Mrk 817 has been built around an already-approved Hubble (HST) Large Program. This is a rare opportunity since it is only the second ~200 orbit HST RM campaign in its 30 year lifetime. Previous RM programs have mapped the accretion disk and broad line region, but revealed that X-ray flux correlates poorly with longer wavelengths. This is a conundrum, since X-rays are thought to drive the multi-wavelength variability. We propose NICER monitoring every other day throughout to track the X-ray spectral changes (rather than just flux changes) and probe the X-ray/UV/optical connection.
| Obsid |
RA |
DEC |
l |
b |
Start |
End |
Exposure |
Number of modules |
Status of Processing |
Date of Processing |
Public date |
| 4628010101 |
219.093 |
58.794 |
100.29858 |
53.47834 |
59274.0192 |
59274.0417 |
1788.00000 |
52 |
VALIDATED |
59278.6 |
59288 |
| 4628010201 |
219.092 |
58.794 |
100.29923 |
53.47845 |
59276.0803 |
59276.0972 |
1153.00000 |
52 |
VALIDATED |
59282.0 |
59290 |
| 4628010301 |
219.092 |
58.795 |
100.30038 |
53.47783 |
59278.0162 |
59278.0329 |
1297.00000 |
52 |
VALIDATED |
59282.7 |
59292 |
| 4628010401 |
219.092 |
58.794 |
100.29963 |
53.47842 |
59280.0351 |
59280.0495 |
1156.00000 |
52 |
VALIDATED |
59284.6 |
59294 |
| 4628010501 |
219.093 |
58.794 |
100.29889 |
53.47845 |
59282.0179 |
59282.0347 |
1309.00000 |
52 |
VALIDATED |
59293.7 |
59296 |
| 4628010601 |
219.092 |
58.794 |
100.29983 |
53.47828 |
59284.0185 |
59284.0330 |
1094.00000 |
52 |
VALIDATED |
59293.8 |
59298 |
| 4628010701 |
219.092 |
58.794 |
100.29926 |
53.47859 |
59286.5356 |
59286.5503 |
1097.00000 |
52 |
VALIDATED |
59293.9 |
59300 |
| 4628010801 |
219.092 |
58.794 |
100.29992 |
53.47838 |
59288.4741 |
59288.5022 |
2217.00000 |
52 |
VALIDATED |
59294.1 |
59302 |
| 4628010901 |
219.092 |
58.793 |
100.29808 |
53.47970 |
59290.4769 |
59290.4931 |
1343.00000 |
52 |
VALIDATED |
59295.9 |
59304 |
| 4628011001 |
219.090 |
58.794 |
100.29983 |
53.47938 |
59292.3466 |
59292.6144 |
1700.00000 |
52 |
VALIDATED |
59296.6 |
59306 |
| 4628011101 |
219.091 |
58.794 |
100.30047 |
53.47886 |
59294.2824 |
59294.3132 |
1826.00000 |
52 |
VALIDATED |
59298.6 |
59308 |
| 4628011102 |
219.091 |
58.794 |
100.29994 |
53.47852 |
59296.3472 |
59296.3782 |
2122.00000 |
52 |
VALIDATED |
59300.6 |
59310 |
| 4628011301 |
219.092 |
58.794 |
100.29974 |
53.47834 |
59298.3472 |
59298.3782 |
2293.00000 |
52 |
VALIDATED |
59302.7 |
59312 |
| 4628011401 |
219.092 |
58.794 |
100.29952 |
53.47865 |
59300.2215 |
59300.2383 |
1150.00000 |
52 |
VALIDATED |
59322.7 |
59314 |
| 4628011501 |
219.091 |
58.794 |
100.30045 |
53.47857 |
59302.5449 |
59302.5621 |
1417.00000 |
52 |
VALIDATED |
59319.8 |
59316 |
| 4628011601 |
219.091 |
58.794 |
100.30044 |
53.47873 |
59304.0935 |
59304.1113 |
950.00000 |
52 |
VALIDATED |
59315.8 |
59318 |
| 4628011701 |
219.090 |
58.794 |
100.30069 |
53.47911 |
59306.0937 |
59306.1125 |
912.00000 |
52 |
VALIDATED |
59315.9 |
59320 |
| 4628011901 |
219.088 |
58.793 |
100.30118 |
53.48019 |
59309.5130 |
59309.5204 |
184.00000 |
52 |
VALIDATED |
59319.9 |
59323 |
| 4628012101 |
219.085 |
58.789 |
100.29784 |
53.48480 |
59314.7988 |
59314.9343 |
0.00000 |
52 |
VALIDATED |
59324.8 |
59328 |
| 4628012201 |
219.091 |
58.794 |
100.30050 |
53.47845 |
59316.2178 |
59316.2945 |
267.00000 |
52 |
VALIDATED |
59327.0 |
59330 |
| 4628012301 |
219.088 |
58.798 |
100.30663 |
53.47651 |
59318.1514 |
59318.1653 |
694.00000 |
52 |
VALIDATED |
59330.2 |
59332 |
| 4628012401 |
219.092 |
58.795 |
100.30002 |
53.47800 |
59320.1472 |
59320.1667 |
1105.00000 |
52 |
VALIDATED |
59331.6 |
59334 |
| 4628012501 |
219.091 |
58.793 |
100.29859 |
53.47943 |
59321.8922 |
59321.9775 |
41.00000 |
52 |
VALIDATED |
59332.7 |
59335 |
| 4628012502 |
219.094 |
58.794 |
100.29758 |
53.47784 |
59322.0223 |
59322.1708 |
304.00000 |
52 |
VALIDATED |
59332.7 |
59336 |
| 4628012701 |
219.094 |
58.795 |
100.29953 |
53.47700 |
59327.1086 |
59327.1225 |
817.00000 |
52 |
VALIDATED |
59336.8 |
59341 |
| 4628012801 |
219.096 |
58.795 |
100.29842 |
53.47610 |
59328.3986 |
59328.4139 |
591.00000 |
52 |
VALIDATED |
59337.8 |
59342 |
| 4628012901 |
219.094 |
58.795 |
100.29908 |
53.47738 |
59330.0840 |
59330.0956 |
891.00000 |
52 |
VALIDATED |
59340.0 |
59344 |
| 4628013001 |
219.094 |
58.794 |
100.29783 |
53.47830 |
59331.9042 |
59331.9769 |
765.00000 |
52 |
VALIDATED |
59341.9 |
59345 |
| 4628013002 |
219.095 |
58.793 |
100.29678 |
53.47830 |
59332.0333 |
59332.1060 |
678.00000 |
52 |
VALIDATED |
59341.9 |
59346 |
| 4628013101 |
219.093 |
58.793 |
100.29736 |
53.47909 |
59334.2100 |
59334.2359 |
1990.00000 |
52 |
VALIDATED |
59343.8 |
59348 |
| 4628013201 |
219.097 |
58.794 |
100.29623 |
53.47672 |
59336.1451 |
59336.1725 |
1066.00000 |
52 |
VALIDATED |
59345.7 |
59350 |
| 4628013301 |
219.093 |
58.794 |
100.29827 |
53.47847 |
59338.0884 |
59338.1093 |
1613.00000 |
52 |
VALIDATED |
59347.7 |
59352 |
| 4628013401 |
219.092 |
58.794 |
100.29924 |
53.47836 |
59340.0211 |
59340.0458 |
1932.00000 |
52 |
VALIDATED |
59349.7 |
59354 |
| 4628013501 |
219.092 |
58.794 |
100.29943 |
53.47824 |
59342.0222 |
59342.0465 |
1909.00000 |
52 |
VALIDATED |
59351.6 |
59356 |
| 4628013601 |
219.092 |
58.794 |
100.29938 |
53.47851 |
59344.0236 |
59344.0429 |
1489.00000 |
52 |
VALIDATED |
59354.7 |
59358 |
| 4628013701 |
219.092 |
58.794 |
100.29927 |
53.47866 |
59346.0889 |
59346.1077 |
1430.00000 |
52 |
VALIDATED |
59356.7 |
59360 |
| 4628013801 |
219.092 |
58.794 |
100.29942 |
53.47848 |
59348.0262 |
59348.0492 |
1836.00000 |
52 |
VALIDATED |
59357.7 |
59362 |
| 4628013901 |
219.092 |
58.794 |
100.29937 |
53.47875 |
59350.7434 |
59350.7600 |
1147.00000 |
52 |
VALIDATED |
59360.7 |
59364 |
| 4628014001 |
219.092 |
58.794 |
100.29946 |
53.47845 |
59352.2951 |
59352.3090 |
1029.00000 |
52 |
VALIDATED |
59361.7 |
59366 |
| 4628014101 |
219.092 |
58.793 |
100.29810 |
53.47906 |
59353.8951 |
59353.9695 |
1200.00000 |
52 |
VALIDATED |
59363.6 |
59367 |
| 4628014201 |
219.092 |
58.793 |
100.29823 |
53.47952 |
59356.0227 |
59356.0995 |
1673.00000 |
52 |
VALIDATED |
59368.0 |
59370 |
| 4628014301 |
219.090 |
58.792 |
100.29822 |
53.48086 |
59358.2185 |
59358.2388 |
1408.00000 |
52 |
VALIDATED |
59368.2 |
59372 |
| 4628014401 |
219.090 |
58.791 |
100.29784 |
53.48143 |
59360.6039 |
59360.6284 |
1554.00000 |
52 |
VALIDATED |
59373.7 |
59374 |
| 4628014501 |
219.092 |
58.794 |
100.29911 |
53.47876 |
59362.6065 |
59362.6297 |
1876.00000 |
52 |
VALIDATED |
59372.7 |
59376 |
| 4628014601 |
219.091 |
58.794 |
100.30001 |
53.47863 |
59364.0931 |
59364.1694 |
1509.00000 |
52 |
VALIDATED |
59373.8 |
59378 |
| 4628014701 |
219.091 |
58.794 |
100.29988 |
53.47856 |
59366.2199 |
59366.2359 |
1184.00000 |
52 |
VALIDATED |
59375.7 |
59380 |
| 4628014801 |
219.091 |
58.794 |
100.30027 |
53.47853 |
59368.8674 |
59368.8840 |
1055.00000 |
52 |
VALIDATED |
59378.7 |
59382 |
| 4628014901 |
219.091 |
58.794 |
100.30000 |
53.47848 |
59370.8676 |
59370.8953 |
2036.00000 |
52 |
VALIDATED |
59381.8 |
59384 |
| 4628015001 |
219.091 |
58.794 |
100.29990 |
53.47871 |
59372.9978 |
59373.0757 |
1165.00000 |
52 |
VALIDATED |
59382.7 |
59387 |
| 4628015101 |
219.091 |
58.794 |
100.29981 |
53.47869 |
59374.7396 |
59374.8118 |
1316.00000 |
52 |
VALIDATED |
59384.7 |
59388 |
| 4628015201 |
219.092 |
58.794 |
100.29998 |
53.47826 |
59376.8693 |
59376.9458 |
857.00000 |
52 |
VALIDATED |
59386.7 |
59390 |
| 4628015301 |
219.084 |
58.796 |
100.30666 |
53.47986 |
59378.9341 |
59378.9491 |
431.00000 |
52 |
VALIDATED |
59388.7 |
59392 |
| 4628015401 |
219.091 |
58.794 |
100.30066 |
53.47866 |
59380.9336 |
59380.9512 |
430.00000 |
52 |
VALIDATED |
59390.7 |
59394 |
| 4628015501 |
219.091 |
58.794 |
100.30072 |
53.47854 |
59382.9334 |
59382.9523 |
811.00000 |
52 |
VALIDATED |
59393.1 |
59396 |
| 4628015601 |
219.091 |
58.795 |
100.30109 |
53.47845 |
59384.8682 |
59384.8873 |
590.00000 |
52 |
VALIDATED |
59394.7 |
59398 |
| 4628015701 |
219.096 |
58.797 |
100.30045 |
53.47441 |
59386.8023 |
59386.8204 |
0.00000 |
52 |
VALIDATED |
59397.8 |
59400 |
| 4628015801 |
219.098 |
58.790 |
100.29106 |
53.47974 |
59388.8078 |
59388.8836 |
0.00000 |
52 |
VALIDATED |
59398.9 |
59402 |
| 4628015901 |
219.091 |
58.798 |
100.30395 |
53.47597 |
59390.2836 |
59390.3586 |
236.00000 |
52 |
VALIDATED |
59401.9 |
59404 |
| 4628016001 |
219.092 |
58.795 |
100.30013 |
53.47800 |
59391.7572 |
59391.7750 |
798.00000 |
52 |
VALIDATED |
59404.9 |
59405 |
| 4628016101 |
219.092 |
58.795 |
100.29996 |
53.47788 |
59393.8229 |
59393.8988 |
1660.00000 |
52 |
VALIDATED |
59405.0 |
59407 |
| 4628016201 |
219.092 |
58.794 |
100.30022 |
53.47825 |
59396.5947 |
59396.6081 |
937.00000 |
52 |
VALIDATED |
59407.9 |
59410 |
| 4628016301 |
219.093 |
58.794 |
100.29920 |
53.47785 |
59398.4656 |
59398.4845 |
1442.00000 |
52 |
VALIDATED |
59411.8 |
59412 |
| 4628016401 |
219.095 |
58.793 |
100.29702 |
53.47814 |
59400.6694 |
59400.6880 |
1042.00000 |
52 |
VALIDATED |
59410.9 |
59414 |
| 4628016501 |
219.095 |
58.794 |
100.29692 |
53.47782 |
59402.6021 |
59402.6241 |
1280.00000 |
52 |
VALIDATED |
59412.8 |
59416 |
| 4628016601 |
219.093 |
58.794 |
100.29877 |
53.47821 |
59404.6065 |
59404.6248 |
896.00000 |
52 |
VALIDATED |
59415.8 |
59418 |
| 4628016701 |
219.094 |
58.794 |
100.29819 |
53.47805 |
59406.4900 |
59406.6271 |
1047.00000 |
52 |
VALIDATED |
59416.7 |
59420 |