RXTE Galactic Center Observation
Observation Date: | 2001-03-31 |
Mission Day: | 2646t |
Modified Julian Day: | 51999.836 |
Mission times: | 228686657.00- 228695825.00 |
Scan type: | regular |
Main Page: | Observation List | Source List |
Observation Page: | Top | Commentary | Sources | Scan Light Curves |
Map Page: | Reconstructed Model | Residuals |
Scan Light Curves: | Parts 1 | 2 | 3 | 4 |
Craig Markwardt writes: Here is a summary of the galactic bulge observations over the past two months. * SAX J1750.0-2900 had a very short outburst near Mar 3, 2001, reaching a peak of 210 mCrab, but declining to < 10 mCrab within two weeks. However the source has brightened again, to 30 mCrab. This behavior is reminiscent of SAX J1747. * A new faint source, XTE J1759-220 has become more prominent. The best coordinates are (RA=269.854, DEC=-22.00). The source really became obvious in Feb 2001 at about 8 mCrab, but I think we were actually seeing it at a lower level since the start of the monitoring observations. I will need to reprocess to find out. An interesting fact is that this source is near the putative SGR 1800-23. The error box for this SGR is very long and thin. * As covered in David Smith's recent article, GRS 1758-258 has "turned off." The X-ray intensity had a precipitous drop around Feb 20 to ~5 mCrab from a more typical 20 mCrab, and appears to be subsequently declining further yet. * KS 1731-260 has turned off! The source had a remarkable segment of constant intensity in fall 2000 (normally fluctuates between 10-200 mCrab). December 2000 and January 2001 the source was behind the sun, but when we observed it February 2001 the source was not detectable (< 0.7 mCrab). * 4U 1820-30 has been at peak brightness over the past 2-3 weeks, around 600 mCrab. This is about 20% brighter than ever seen in the past 2.5 years. * After a trending incrase over the past 2.5 years, GX 3+1 appears to have flattened out around 400 mCrab within the past 6 months. * The Rapid Burster had another outburst, from which was saw several X-ray bursts. * We saw a very short outburst of XTE J1739-302, up to about 17 mCrab. In the next observation the source was <= 2 mCrab. According to David Smith this kind of behavior has happened before. Craig
Source | Time (MJD) | RA (2000) | DEC (2000) | Rate (ct/s/5PCU) | Error (ct/s/5PCU) | Bkg (ct/s/5PCU) |
---|---|---|---|---|---|---|
1E1740.7-2942 | 51999.868 | 265.9604 | -29.75 | 223.95 | 44.90 | 303.62 |
1E1743.1-2843 | 51999.871 | 266.5792 | -28.72 | 75.90 | 109.68 | 282.85 |
2E1746.7-3225 | 51999.870 | 267.5144 | -32.43 | 16.66 | 12.44 | 19.03 |
2S1742-294 | 51999.870 | 266.5230 | -29.52 | 280.92 | 51.47 | 432.64 |
2S1803-245 | 51999.926 | 271.7090 | -24.59 | 14.59 | 10.84 | 14.11 |
4U_1728-34 | 51999.853 | 262.9920 | -33.83 | 939.57 | 27.04 | 40.06 |
4U_1820-30 | 51999.930 | 275.9280 | -30.37 | 5803.67 | 121.83 | 3.71 |
4U_1820-30 | 51999.933 | 275.9280 | -30.37 | 5858.30 | 57.33 | 3.71 |
4U_1820-30 | 51999.937 | 275.9280 | -30.37 | 6182.85 | 135.89 | 3.71 |
A1744-361 | 51999.865 | 267.0800 | -36.12 | 0.72 | 3.58 | 16.45 |
AX_J1749.1-2639 | 51999.899 | 267.3000 | -26.65 | -7.70 | 64.34 | 2960.51 |
EXO_1722-363 | 51999.844 | 261.4810 | -36.41 | 18.47 | 14.30 | 24.81 |
EXO_1742-326 | 51999.867 | 266.3690 | -32.69 | 3.36 | 11.74 | 27.91 |
EXO_1745-248 | 51999.907 | 267.0208 | -24.78 | 6.21 | 4.90 | 17.08 |
GCRT_J1745-3009 | 51999.869 | 266.2708 | -30.16 | 17.83 | 24.87 | 380.87 |
GCRT_J1746-2757 | 51999.874 | 266.5417 | -27.95 | 66.66 | 21.62 | 45.19 |
GRS_1734-292 | 51999.862 | 264.3533 | -29.18 | 52.63 | 9.34 | 16.65 |
GRS_1747-312 | 51999.882 | 267.6900 | -31.29 | -6.84 | 18.62 | 25.88 |
GRS_1758-258 | 51999.919 | 270.3025 | -25.74 | -27.00 | 23.79 | 4827.15 |
GS_1826-238 | 51999.942 | 277.3623 | -23.79 | 460.93 | 4.31 | 4.05 |
GX_1+4 | 51999.858 | 263.0090 | -24.75 | 30.91 | 13.42 | 7.79 |
GX_1+4 | 51999.864 | 263.0090 | -24.75 | 22.92 | 19.37 | 7.79 |
GX_3+1 | 51999.873 | 266.9830 | -26.56 | 4108.99 | 74.94 | 16.63 |
GX_3+1 | 51999.907 | 266.9830 | -26.56 | 4160.15 | 120.58 | 16.63 |
GX_5-1 | 51999.916 | 270.2840 | -25.08 | 15724.07 | 242.56 | 10.05 |
GX_5-1 | 51999.920 | 270.2840 | -25.08 | 16952.08 | 117.43 | 10.05 |
GX_5-1 | 51999.923 | 270.2840 | -25.08 | 17054.67 | 192.30 | 10.05 |
H1743-322 | 51999.868 | 266.5700 | -32.24 | 22.79 | 8.81 | 21.15 |
IGR_J17191-2821 | 51999.845 | 259.7700 | -28.35 | -5.04 | 4.89 | 7.03 |
IGR_J17331-2406 | 51999.864 | 263.2833 | -24.11 | 6.55 | 5.13 | 11.48 |
IGR_J17375-3022 | 51999.861 | 264.3946 | -30.38 | 11.63 | 12.40 | 26.44 |
IGR_J17497-2821 | 51999.889 | 267.4041 | -28.36 | 4.40 | 31.81 | 159.57 |
IGR_J17511-3057 | 51999.884 | 267.7875 | -30.96 | 11.49 | 27.20 | 15.49 |
IGR_J17586-2129 | 51999.921 | 269.6440 | -21.39 | 23.04 | 8.00 | 51.76 |
K1724-356 | 51999.847 | 261.9133 | -35.73 | 3.68 | 6.31 | 30.08 |
KS_1731-260 | 51999.863 | 263.5539 | -26.09 | 2.25 | 7.83 | 9.60 |
KS_1732-273 | 51999.863 | 263.9958 | -27.44 | 6.97 | 10.74 | 42.01 |
KS_1741-293 | 51999.869 | 266.2042 | -29.35 | 179.99 | 103.37 | 441.50 |
MXB_1730-33 | 51999.854 | 263.3498 | -33.39 | 9.82 | 14.79 | 429.03 |
NGC_6440 | 51999.915 | 267.2195 | -20.36 | -9.96 | 64.67 | 7.10 |
OPH_CLU | 51999.844 | 258.1580 | -23.39 | 285.11 | 4.40 | 3.65 |
RXS_J172006.1 | 51999.842 | 260.0254 | -31.28 | 49.34 | 9.09 | 7.02 |
RXS_J172525.5 | 51999.847 | 261.3563 | -32.95 | 20.06 | 5.64 | 16.01 |
RXS_J173251.1 | 51999.853 | 263.2129 | -34.79 | 8.24 | 9.06 | 53.11 |
RXS_J175428.3 | 51999.911 | 268.6179 | -26.34 | -4.49 | 16.00 | 34.22 |
RXS_J180326.2 | 51999.921 | 270.8417 | -25.27 | -0.71 | 34.10 | 7081.06 |
RXS_J180824.5 | 51999.928 | 272.1021 | -23.15 | 8.71 | 3.50 | 14.20 |
R_1832-330 | 51999.939 | 278.9317 | -32.99 | 80.60 | 7.40 | 3.65 |
SAXJ1747.0-2853 | 51999.876 | 266.7879 | -28.88 | 136.83 | 68.89 | 305.70 |
SAXJ1750.8-2900 | 51999.889 | 267.6000 | -29.03 | 282.11 | 19.18 | 63.60 |
SAXJ1753.5-2349 | 51999.914 | 268.3917 | -23.82 | -0.59 | 6.53 | 17.59 |
SAXJ1806.5-2215 | 51999.928 | 271.6417 | -22.25 | 2.21 | 1.36 | 21.30 |
SAXJ1808.4-3658 | 51999.911 | 272.1208 | -36.98 | 1.69 | 1.57 | 3.69 |
SAXJ1808.4-365P | 51999.911 | 271.1200 | -35.50 | 2.96 | 6.14 | 3.94 |
SAXJ1810.8-2609 | 51999.928 | 272.6850 | -26.15 | 6.96 | 4.92 | 9.07 |
SGR_1806-20 | 51999.935 | 272.1642 | -20.41 | 6.14 | 11.15 | 28.41 |
SGR_A | 51999.870 | 266.4000 | -29.00 | 22.42 | 140.64 | 439.36 |
SLX_1735-269 | 51999.864 | 264.5647 | -27.00 | 99.20 | 8.89 | 17.43 |
SLX_1737-282 | 51999.866 | 265.2360 | -28.31 | 177.87 | 26.04 | -11.15 |
SLX_1744-300 | 51999.870 | 266.8580 | -30.04 | 340.66 | 28.13 | 172.37 |
SLX_1746-331 | 51999.869 | 267.4608 | -33.20 | 12.09 | 6.74 | 14.83 |
SW_J1729.9-3437 | 51999.849 | 262.5375 | -34.61 | -0.70 | 11.04 | 127.26 |
SW_J1756.9-2508 | 51999.915 | 269.2380 | -25.11 | -2.29 | 10.20 | 838.45 |
TERZAN_2 | 51999.851 | 261.8880 | -30.80 | 217.26 | 11.14 | 14.55 |
WGAJ1715.3-2635 | 51999.844 | 258.8370 | -26.60 | -0.16 | 4.32 | 3.92 |
XTE_J1710-281 | 51999.837 | 257.5500 | -28.12 | 64.61 | 8.74 | 3.88 |
XTE_J1710-281P | 51999.838 | 258.5500 | -28.91 | 4.54 | 4.76 | 4.58 |
XTE_J1719-291 | 51999.845 | 259.8890 | -29.06 | 7.76 | 5.27 | 4.95 |
XTE_J1719-356 | 51999.840 | 259.9700 | -35.68 | 9.71 | 4.94 | 17.23 |
XTE_J1720-318 | 51999.842 | 259.9961 | -31.75 | -4.90 | 8.03 | 34.64 |
XTE_J1723-376 | 51999.839 | 260.9000 | -37.65 | 4.28 | 3.81 | 16.54 |
XTE_J1726-283 | 51999.852 | 261.6570 | -28.30 | 3.79 | 4.88 | 8.74 |
XTE_J1728-295 | 51999.853 | 262.1570 | -29.52 | 5.43 | 5.96 | 12.86 |
XTE_J1734-234 | 51999.864 | 263.5280 | -23.36 | -1.86 | 1.60 | 6.33 |
XTE_J1737-376 | 51999.854 | 264.4950 | -37.77 | -4.06 | 1.69 | 8.17 |
XTE_J1739-285 | 51999.866 | 264.9790 | -28.48 | -46.15 | 24.20 | 153.37 |
XTE_J1739-302 | 51999.862 | 264.7500 | -30.27 | -1.47 | 12.34 | 40.00 |
XTE_J1743-363 | 51999.861 | 265.7415 | -36.33 | 14.43 | 1.85 | 8.62 |
XTE_J1744-230 | 51999.888 | 266.0350 | -23.12 | 13.71 | 10.98 | 9.65 |
XTE_J1747-274 | 51999.884 | 266.9095 | -27.44 | -39.53 | 24.73 | 432.87 |
XTE_J1748-288 | 51999.882 | 267.0210 | -28.47 | 12.14 | 65.54 | 226.87 |
XTE_J1751-305 | 51999.886 | 267.8062 | -30.62 | 2.24 | 18.58 | 31.66 |
XTE_J1752-223 | 51999.914 | 268.0440 | -22.32 | -0.79 | 4.72 | 13.04 |
XTE_J1752-280 | 51999.907 | 268.2000 | -28.00 | 29.15 | 9.76 | 25.51 |
XTE_J1755-312 | 51999.897 | 268.7820 | -31.16 | 6.30 | 6.54 | 19.88 |
XTE_J1756-342 | 51999.889 | 269.0228 | -34.21 | 4.00 | 3.83 | 6.27 |
XTE_J1757-306 | 51999.910 | 269.4130 | -30.66 | 29.55 | 6.88 | 13.26 |
XTE_J1759-220 | 51999.921 | 269.9404 | -22.03 | 56.39 | 5.12 | 26.11 |
XTE_J1805-295 | 51999.918 | 271.4045 | -29.52 | 6.03 | 11.84 | 9.31 |
XTE_J1807-294 | 51999.920 | 271.7441 | -29.40 | 1.89 | 11.20 | 11.46 |
XTE_J1810-189 | 51999.935 | 272.5863 | -19.07 | -2.59 | 53.57 | 38.49 |
XTE_J1810-197 | 51999.935 | 272.4630 | -19.73 | -4.68 | 11.49 | 37.91 |
XTE_J1812-230 | 51999.935 | 273.2000 | -23.00 | 1.42 | 5.03 | 11.30 |
XTE_J1814-338 | 51999.919 | 273.4126 | -33.77 | 4.71 | 6.48 | 3.76 |
XTE_J1817-330 | 51999.925 | 274.4250 | -33.02 | 2.03 | 3.69 | 3.72 |
XTE_J1818-245 | 51999.936 | 274.6050 | -24.54 | 3.30 | 5.31 | 7.13 |
XTE_J1819-254 | 51999.935 | 274.8300 | -25.41 | 10.30 | 4.81 | 5.66 |
XTE_J1819-254P | 51999.931 | 273.8300 | -26.41 | 0.06 | 6.26 | 6.26 |
Legend -------------------------- 1 - XTE J1710-281 2 - XTE J1710-281P 3 - OPH CLU 7 - XTE J1719-291 8 - XTE J1719-356 10 - RXS J172006.1 11 - XTE J1723-376 12 - EXO 1722-363 13 - RXS J172525.5 14 - XTE J1726-283 15 - TERZAN 2 16 - XTE J1728-295 18 - 4U 1728-34 19 - GX 1+4 20 - RXS J173251.1 22 - MXB 1730-33 147 - K1724-356 | |
Legend -------------------------- 19 - GX 1+4 21 - IGR J17331-2406 25 - KS 1731-260 26 - KS 1732-273 27 - GRS 1734-292 28 - IGR J17375-3022 30 - SLX 1735-269 33 - SLX 1737-282 35 - XTE J1743-363 36 - 1E1740.7-2942 37 - XTE J1744-230 38 - KS 1741-293 39 - GCRT J1745-3009 40 - EXO 1742-326 41 - SGR A 42 - 2S1742-294 43 - GCRT J1746-2757 44 - 1E1743.1-2843 45 - H1743-322 46 - SAXJ1747.0-2853 48 - SLX 1744-300 51 - GX 3+1 54 - XTE J1748-288 58 - IGR J17497-2821 59 - SLX 1746-331 60 - 2E1746.7-3225 62 - SAXJ1750.8-2900 65 - XTE J1751-305 66 - IGR J17511-3057 71 - XTE J1755-312 72 - XTE J1756-342 191 - GX 1+4 | |
Legend -------------------------- 37 - XTE J1744-230 46 - SAXJ1747.0-2853 53 - EXO 1745-248 54 - XTE J1748-288 58 - IGR J17497-2821 62 - SAXJ1750.8-2900 66 - IGR J17511-3057 68 - XTE J1752-280 71 - XTE J1755-312 72 - XTE J1756-342 74 - XTE J1757-306 75 - IGR J17586-2129 76 - XTE J1759-220 77 - GX 5-1 83 - XTE J1805-295 84 - XTE J1807-294 86 - 2S1803-245 88 - SAXJ1808.4-3658 89 - SAXJ1808.4-365P 96 - XTE J1814-338 98 - XTE J1817-330 192 - GX 3+1 193 - GX 5-1 194 - GX 5-1 | |
Legend -------------------------- 85 - SAXJ1806.5-2215 86 - 2S1803-245 87 - RXS J180824.5 90 - SGR 1806-20 93 - SAXJ1810.8-2609 95 - XTE J1812-230 98 - XTE J1817-330 100 - XTE J1818-245 101 - XTE J1819-254 103 - 4U 1820-30 104 - GS 1826-238 105 - R 1832-330 150 - G11.2-0.3 195 - 4U 1820-30 196 - 4U 1820-30 |
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Generated automatically on Fri Mar 18 23:19:13 2011 by Craig Markwardt