NICER observation list: Target ID 260202
- Proposal Number = 2602
- Target ID = 260202
- Target Name = Mkn_876
- Proposal Title = SOLVING THE X-RAY - OPTICAL ACCRETION DISK REPROCESSING PUZZLE WITH TIME-RESOLVED NICER X-RAY SPECTROSCOPY OF MRK 876
- PI = EDWARD CACKETT
- Proposal Category = ACTIVE GALAXIES AND QUASARS
- Cycle number = 2
- Observation Type = NOR
Abstract
X-ray/UV/optical AGN monitoring shows consistent behavior within the UV/optical but a disconnect between X-ray and UV/optical broadband flux variations that challenges the standard reprocessing model. Mrk 876 lies in the TESS continuous viewng zone providing a high S/N light curve sampled every 30 minutes for ~1 year. During this period we will obtain simultaneous monitoring from the ground (approved) and Swift (pending), but Swift only provides a low S/N X-ray light curve. As NICER is a factor of ~20 more sensitive, it allows monitoring of individual components in the complex X-ray spectrum. By correlating these components (instead of broadband X-ray fluxes) with the UV/optical, NICER can break this degeneracy and allow us to determine which X-ray component drives the disk variability.
| Obsid |
RA |
DEC |
l |
b |
Start |
End |
Exposure |
Number of modules |
Status of Processing |
Date of Processing |
Public date |
| 2602020101 |
243.488 |
65.719 |
98.26904 |
40.37592 |
58833.4427 |
58833.4728 |
2420.00000 |
52 |
VALIDATED |
58837.6 |
58847 |
| 2602020201 |
243.488 |
65.718 |
98.26814 |
40.37620 |
58835.3178 |
58835.3431 |
1891.00000 |
52 |
VALIDATED |
58841.1 |
58849 |
| 2602020301 |
243.487 |
65.718 |
98.26800 |
40.37680 |
58837.3122 |
58837.3424 |
2337.00000 |
52 |
VALIDATED |
58841.6 |
58851 |
| 2602020401 |
243.487 |
65.719 |
98.26901 |
40.37634 |
58839.0060 |
58839.0836 |
2040.00000 |
52 |
VALIDATED |
58843.6 |
58853 |
| 2602020501 |
243.488 |
65.719 |
98.26936 |
40.37594 |
58841.3079 |
58841.3410 |
2618.00000 |
52 |
VALIDATED |
58847.0 |
58855 |
| 2602020601 |
243.488 |
65.719 |
98.26914 |
40.37589 |
58843.1797 |
58843.1972 |
1385.00000 |
52 |
VALIDATED |
58847.8 |
58857 |
| 2602020701 |
243.488 |
65.719 |
98.26931 |
40.37596 |
58845.7699 |
58845.7914 |
1629.00000 |
52 |
VALIDATED |
58857.0 |
58859 |
| 2602020801 |
243.488 |
65.719 |
98.26938 |
40.37598 |
58847.2560 |
58847.2752 |
1411.00000 |
52 |
VALIDATED |
58857.1 |
58861 |
| 2602020901 |
243.488 |
65.719 |
98.26928 |
40.37597 |
58849.7601 |
58849.7903 |
2510.00000 |
52 |
VALIDATED |
58857.3 |
58863 |
| 2602021001 |
243.486 |
65.718 |
98.26807 |
40.37746 |
58851.7586 |
58851.7903 |
2513.00000 |
52 |
VALIDATED |
58858.7 |
58865 |
| 2602021101 |
243.488 |
65.719 |
98.26940 |
40.37611 |
58853.5773 |
58853.5961 |
1386.00000 |
52 |
VALIDATED |
58858.9 |
58867 |
| 2602021201 |
243.487 |
65.719 |
98.26973 |
40.37613 |
58855.5771 |
58855.5954 |
1278.00000 |
52 |
VALIDATED |
58859.9 |
58869 |
| 2602021301 |
243.483 |
65.718 |
98.26927 |
40.37839 |
58857.4998 |
58857.5299 |
2159.00000 |
52 |
VALIDATED |
58992.2 |
58871 |
| 2602021401 |
243.487 |
65.719 |
98.26969 |
40.37614 |
58859.5171 |
58859.5900 |
1990.00000 |
52 |
VALIDATED |
58863.7 |
58873 |
| 2602021501 |
243.487 |
65.720 |
98.26978 |
40.37602 |
58861.5711 |
58861.5910 |
1610.00000 |
52 |
VALIDATED |
58865.7 |
58875 |
| 2602021601 |
243.484 |
65.718 |
98.26891 |
40.37797 |
58863.6292 |
58863.6496 |
1440.00000 |
52 |
VALIDATED |
58867.8 |
58877 |
| 2602021701 |
243.486 |
65.720 |
98.27084 |
40.37632 |
58864.9170 |
58864.9458 |
2338.00000 |
52 |
VALIDATED |
58868.7 |
58878 |
| 2602021801 |
243.488 |
65.720 |
98.27031 |
40.37565 |
58867.0478 |
58867.0741 |
2159.00000 |
52 |
VALIDATED |
58871.6 |
58881 |
| 2602021901 |
243.488 |
65.720 |
98.26985 |
40.37572 |
58869.0470 |
58869.0741 |
2247.00000 |
52 |
VALIDATED |
58875.7 |
58883 |
| 2602022001 |
243.488 |
65.720 |
98.26963 |
40.37580 |
58870.4007 |
58870.4278 |
2011.00000 |
52 |
VALIDATED |
58875.8 |
58884 |
| 2602022101 |
243.480 |
65.723 |
98.27529 |
40.37739 |
58872.0766 |
58872.1037 |
2025.00000 |
52 |
VALIDATED |
58877.7 |
58886 |
| 2602022102 |
243.488 |
65.720 |
98.26994 |
40.37578 |
58873.2353 |
58873.2639 |
2030.00000 |
52 |
VALIDATED |
58878.6 |
58887 |
| 2602022201 |
243.477 |
65.720 |
98.27311 |
40.37964 |
58875.1825 |
58875.2569 |
1559.00000 |
52 |
VALIDATED |
58879.6 |
58889 |
| 2602022202 |
243.478 |
65.720 |
98.27268 |
40.37934 |
58876.7970 |
58876.8065 |
769.00000 |
52 |
VALIDATED |
58880.7 |
58890 |
| 2602022301 |
243.479 |
65.720 |
98.27257 |
40.37869 |
58876.8616 |
58876.8701 |
689.00000 |
52 |
VALIDATED |
58880.7 |
58890 |
| 2602022401 |
243.488 |
65.721 |
98.27083 |
40.37518 |
58879.5512 |
58879.6301 |
1681.00000 |
52 |
VALIDATED |
58883.7 |
58893 |
| 2602022601 |
243.496 |
65.722 |
98.27094 |
40.37186 |
58883.2937 |
58883.3715 |
2069.00000 |
52 |
VALIDATED |
58887.6 |
58897 |
| 2602022701 |
243.497 |
65.721 |
98.26895 |
40.37195 |
58885.3571 |
58885.3799 |
1763.00000 |
52 |
VALIDATED |
58889.7 |
58899 |
| 2602022801 |
243.489 |
65.719 |
98.26904 |
40.37533 |
58887.2269 |
58887.2530 |
2119.00000 |
52 |
VALIDATED |
58898.1 |
58901 |
| 2602022901 |
243.492 |
65.718 |
98.26723 |
40.37467 |
58889.1037 |
58889.1241 |
1417.00000 |
52 |
VALIDATED |
58899.8 |
58903 |
| 2602023001 |
243.489 |
65.719 |
98.26896 |
40.37540 |
58891.0388 |
58891.0578 |
1422.00000 |
52 |
VALIDATED |
58900.0 |
58905 |
| 2602023101 |
243.490 |
65.719 |
98.26848 |
40.37535 |
58893.2424 |
58893.3181 |
1286.00000 |
52 |
VALIDATED |
58900.7 |
58907 |
| 2602023201 |
243.491 |
65.720 |
98.26912 |
40.37457 |
58895.2282 |
58895.2470 |
1445.00000 |
52 |
VALIDATED |
58900.9 |
58909 |
| 2602023301 |
243.489 |
65.718 |
98.26704 |
40.37633 |
58897.3069 |
58897.4342 |
2055.31715 |
52 |
VALIDATED |
58901.8 |
58911 |
| 2602023401 |
243.489 |
65.719 |
98.26912 |
40.37558 |
58899.0311 |
58899.0481 |
1375.00000 |
52 |
VALIDATED |
58904.1 |
58913 |
| 2602023501 |
243.489 |
65.719 |
98.26907 |
40.37555 |
58901.0308 |
58901.0488 |
1381.00000 |
52 |
VALIDATED |
58905.6 |
58915 |
| 2602023601 |
243.488 |
65.719 |
98.26903 |
40.37583 |
58903.0403 |
58903.0611 |
1645.00000 |
52 |
VALIDATED |
58907.8 |
58917 |
| 2602023701 |
243.489 |
65.719 |
98.26910 |
40.37572 |
58905.0324 |
58905.0509 |
1433.00000 |
52 |
VALIDATED |
58912.0 |
58919 |
| 2602023801 |
243.491 |
65.719 |
98.26792 |
40.37501 |
58907.0370 |
58907.0556 |
1393.00000 |
52 |
VALIDATED |
58912.1 |
58921 |