NICER observation list: Target ID 467502
- Proposal Number = 4675
- Target ID = 467502
- Target Name = MAXI_J1803-298
- Proposal Title = CONTINUUM-FITTING SPIN MEASUREMENTS OF BRIGHT BLACK-HOLE TRANSIENTS
- PI = JAMES STEINER
- Proposal Category = X-RAY BINARIES
- Cycle number = 4
- Observation Type = NOR
Abstract
After a black hole transient has reached the bright and soft thermal-dominant state, it undergoes a months-long gradual decline in the same thermal state. These data contain minimal contribution from the nonthermal Compton and reflection components and as such are the gold-standard for spin measurements via X-ray continuum fitting. To account for source evolution and to ensure we accrue sufficient data in the critical thin-disk regime, we request 10x2ks observations, each spaced apart by 2-4 weeks to monitor a (roughly) Crab-bright transient in decline. We request up to two triggers over the next cycle, for a maximum of 40ks.
| Obsid |
RA |
DEC |
l |
b |
Start |
End |
Exposure |
Number of modules |
Status of Processing |
Date of Processing |
Public date |
| 4675020101 |
270.763 |
-29.830 |
1.14792 |
-3.72816 |
59355.0108 |
59355.9963 |
5814.00000 |
52 |
VALIDATED |
59368.0 |
59369 |
| 4675020102 |
270.763 |
-29.829 |
1.14861 |
-3.72778 |
59356.0447 |
59356.1926 |
3011.00000 |
52 |
VALIDATED |
59368.0 |
59370 |
| 4675020103 |
270.766 |
-29.832 |
1.14801 |
-3.73140 |
59357.0119 |
59357.2271 |
5372.00000 |
52 |
VALIDATED |
59368.1 |
59371 |
| 4675020104 |
270.763 |
-29.830 |
1.14835 |
-3.72802 |
59358.1750 |
59358.3910 |
2671.00000 |
52 |
VALIDATED |
59368.2 |
59372 |
| 4675020105 |
270.763 |
-29.829 |
1.14898 |
-3.72827 |
59359.2238 |
59359.4750 |
2535.00000 |
52 |
VALIDATED |
59369.8 |
59373 |
| 4675020106 |
270.762 |
-29.830 |
1.14790 |
-3.72788 |
59360.1203 |
59360.4588 |
1867.00000 |
52 |
VALIDATED |
59374.7 |
59374 |
| 4675020107 |
270.762 |
-29.830 |
1.14737 |
-3.72758 |
59363.2111 |
59363.9914 |
4926.00000 |
52 |
VALIDATED |
59373.7 |
59377 |
| 4675020108 |
270.762 |
-29.830 |
1.14748 |
-3.72752 |
59364.5007 |
59364.9600 |
3574.00000 |
52 |
VALIDATED |
59374.7 |
59378 |
| 4675020109 |
270.762 |
-29.830 |
1.14715 |
-3.72740 |
59365.0179 |
59365.9931 |
5859.00000 |
52 |
VALIDATED |
59375.6 |
59379 |
| 4675020110 |
270.761 |
-29.831 |
1.14697 |
-3.72740 |
59365.9970 |
59366.9575 |
4791.00000 |
52 |
VALIDATED |
59376.8 |
59380 |
| 4675020111 |
270.761 |
-29.831 |
1.14683 |
-3.72738 |
59367.0097 |
59367.9470 |
5120.00000 |
52 |
VALIDATED |
59377.6 |
59381 |
| 4675020112 |
270.762 |
-29.830 |
1.14745 |
-3.72743 |
59368.8840 |
59368.9799 |
4631.00000 |
52 |
VALIDATED |
59378.7 |
59382 |
| 4675020113 |
270.762 |
-29.830 |
1.14719 |
-3.72748 |
59369.8529 |
59369.9465 |
4543.00000 |
52 |
VALIDATED |
59379.7 |
59383 |
| 4675020114 |
270.762 |
-29.830 |
1.14725 |
-3.72744 |
59371.2083 |
59371.9495 |
6107.00000 |
52 |
VALIDATED |
59393.8 |
59385 |
| 4675020115 |
270.762 |
-29.830 |
1.14732 |
-3.72741 |
59372.7587 |
59372.8535 |
4013.71220 |
52 |
VALIDATED |
59382.7 |
59386 |
| 4675020116 |
270.762 |
-29.831 |
1.14696 |
-3.72771 |
59373.3399 |
59373.4326 |
3862.00000 |
52 |
VALIDATED |
59382.7 |
59387 |
| 4675020117 |
270.762 |
-29.830 |
1.14716 |
-3.72740 |
59375.8758 |
59375.8882 |
829.00000 |
52 |
VALIDATED |
59385.7 |
59389 |
| 4675020118 |
270.762 |
-29.831 |
1.14670 |
-3.72785 |
59376.1821 |
59376.7118 |
2662.00000 |
52 |
VALIDATED |
59386.7 |
59390 |
| 4675020119 |
270.762 |
-29.830 |
1.14723 |
-3.72746 |
59377.0405 |
59377.9544 |
3222.00000 |
52 |
VALIDATED |
59387.7 |
59391 |
| 4675020120 |
270.763 |
-29.831 |
1.14703 |
-3.72916 |
59378.5061 |
59378.9167 |
1860.00000 |
52 |
VALIDATED |
59388.7 |
59392 |
| 4675020121 |
270.762 |
-29.830 |
1.14730 |
-3.72752 |
59379.6822 |
59379.9560 |
2874.00000 |
52 |
VALIDATED |
59389.7 |
59393 |
| 4675020122 |
270.763 |
-29.829 |
1.14905 |
-3.72803 |
59380.3142 |
59380.8600 |
1608.00000 |
52 |
VALIDATED |
59390.7 |
59394 |
| 4675020123 |
270.762 |
-29.830 |
1.14734 |
-3.72739 |
59381.0882 |
59381.5701 |
2081.00000 |
52 |
VALIDATED |
59391.7 |
59395 |
| 4675020124 |
270.762 |
-29.830 |
1.14760 |
-3.72765 |
59382.3807 |
59382.7970 |
2876.00000 |
52 |
VALIDATED |
59393.1 |
59396 |
| 4675020125 |
270.762 |
-29.830 |
1.14731 |
-3.72751 |
59383.2941 |
59383.8947 |
2583.00000 |
52 |
VALIDATED |
59393.2 |
59397 |
| 4675020126 |
270.762 |
-29.830 |
1.14744 |
-3.72754 |
59384.3861 |
59384.9921 |
3679.00000 |
52 |
VALIDATED |
59394.7 |
59398 |
| 4675020127 |
270.762 |
-29.830 |
1.14737 |
-3.72757 |
59385.4790 |
59385.5086 |
2177.00000 |
52 |
VALIDATED |
59398.7 |
59399 |
| 4675020128 |
270.762 |
-29.830 |
1.14738 |
-3.72757 |
59386.0605 |
59386.6060 |
3514.00000 |
52 |
VALIDATED |
59398.8 |
59400 |
| 4675020129 |
270.762 |
-29.830 |
1.14742 |
-3.72755 |
59387.1739 |
59387.7035 |
2280.00000 |
52 |
VALIDATED |
59398.8 |
59401 |
| 4675020130 |
270.762 |
-29.830 |
1.14762 |
-3.72813 |
59388.2058 |
59388.6718 |
1352.00000 |
52 |
VALIDATED |
59398.9 |
59402 |
| 4675020131 |
270.766 |
-29.831 |
1.14865 |
-3.73074 |
59390.5797 |
59390.5914 |
0.00000 |
52 |
VALIDATED |
59401.9 |
59404 |
| 4675020132 |
270.762 |
-29.830 |
1.14785 |
-3.72741 |
59391.5469 |
59391.8905 |
1631.00000 |
52 |
VALIDATED |
59415.7 |
59405 |
| 4675020133 |
270.762 |
-29.830 |
1.14793 |
-3.72717 |
59392.0704 |
59392.9153 |
851.00000 |
52 |
VALIDATED |
59403.8 |
59406 |
| 4675020134 |
270.761 |
-29.830 |
1.14775 |
-3.72697 |
59393.2907 |
59393.8836 |
1450.00000 |
52 |
VALIDATED |
59405.0 |
59407 |
| 4675020135 |
270.762 |
-29.830 |
1.14756 |
-3.72727 |
59394.1919 |
59394.7875 |
1928.00000 |
52 |
VALIDATED |
59407.7 |
59408 |
| 4675020136 |
270.762 |
-29.830 |
1.14786 |
-3.72700 |
59395.0965 |
59395.9500 |
1810.00000 |
52 |
VALIDATED |
59407.8 |
59409 |
| 4675020137 |
270.760 |
-29.828 |
1.14847 |
-3.72517 |
59396.2021 |
59397.0000 |
2887.00000 |
52 |
VALIDATED |
59407.9 |
59411 |
| 4675020138 |
270.761 |
-29.830 |
1.14756 |
-3.72688 |
59397.3139 |
59397.8389 |
1567.00000 |
52 |
VALIDATED |
59413.7 |
59411 |
| 4675020139 |
270.762 |
-29.830 |
1.14761 |
-3.72734 |
59398.2167 |
59398.3407 |
2276.00000 |
52 |
VALIDATED |
59411.7 |
59412 |
| 4675020140 |
270.760 |
-29.828 |
1.14870 |
-3.72524 |
59399.1009 |
59399.8257 |
1906.00000 |
52 |
VALIDATED |
59409.7 |
59413 |
| 4675020141 |
270.760 |
-29.829 |
1.14777 |
-3.72586 |
59400.1983 |
59400.7299 |
2846.00000 |
52 |
VALIDATED |
59410.9 |
59414 |
| 4675020142 |
270.759 |
-29.829 |
1.14700 |
-3.72510 |
59401.1014 |
59401.1817 |
1913.00000 |
52 |
VALIDATED |
59410.9 |
59415 |
| 4675020143 |
270.761 |
-29.830 |
1.14756 |
-3.72698 |
59402.2000 |
59402.7963 |
2562.00000 |
52 |
VALIDATED |
59412.8 |
59416 |
| 4675020144 |
270.761 |
-29.830 |
1.14752 |
-3.72679 |
59403.7064 |
59403.7773 |
805.00000 |
52 |
VALIDATED |
59413.8 |
59417 |
| 4675020145 |
270.761 |
-29.830 |
1.14745 |
-3.72673 |
59404.7377 |
59404.9391 |
2472.00000 |
52 |
VALIDATED |
59415.8 |
59418 |
| 4675020146 |
270.759 |
-29.827 |
1.14921 |
-3.72386 |
59405.9513 |
59405.9613 |
224.00000 |
52 |
VALIDATED |
59415.8 |
59419 |
| 4675020147 |
270.762 |
-29.828 |
1.14989 |
-3.72676 |
59406.0160 |
59406.8049 |
4275.00000 |
52 |
VALIDATED |
59416.6 |
59420 |