RXTE Galactic Center Observation
Observation Date: | 2001-03-09 |
Mission Day: | 2624v |
Modified Julian Day: | 51977.888 |
Mission times: | 226790369.00- 226805789.00 |
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 | 51977.920 | 265.9604 | -29.75 | 159.11 | 33.28 | 281.59 |
1E1743.1-2843 | 51977.923 | 266.5792 | -28.72 | 365.72 | 121.53 | 40.07 |
2E1746.7-3225 | 51977.922 | 267.5144 | -32.43 | 38.71 | 9.61 | 16.23 |
2S1742-294 | 51977.922 | 266.5230 | -29.52 | 249.23 | 36.87 | 304.92 |
2S1803-245 | 51978.047 | 271.7090 | -24.59 | 17.27 | 7.23 | 12.68 |
4U_1728-34 | 51977.905 | 262.9920 | -33.83 | 1768.17 | 25.00 | 37.17 |
4U_1820-30 | 51978.050 | 275.9280 | -30.37 | 3524.98 | 76.82 | 2.61 |
4U_1820-30 | 51978.053 | 275.9280 | -30.37 | 3092.45 | 32.58 | 2.61 |
4U_1820-30 | 51978.058 | 275.9280 | -30.37 | 3192.44 | 70.88 | 2.61 |
A1744-361 | 51977.917 | 267.0800 | -36.12 | 6.96 | 2.65 | 15.34 |
AX_J1749.1-2639 | 51977.980 | 267.3000 | -26.65 | -6.54 | 41.75 | 3014.55 |
EXO_1722-363 | 51977.896 | 261.4810 | -36.41 | 13.26 | 9.46 | 23.54 |
EXO_1742-326 | 51977.919 | 266.3690 | -32.69 | 19.80 | 9.26 | 18.69 |
EXO_1745-248 | 51978.029 | 267.0208 | -24.78 | 4.88 | 7.04 | 15.99 |
GCRT_J1745-3009 | 51977.921 | 266.2708 | -30.16 | 35.11 | 18.43 | 249.13 |
GCRT_J1746-2757 | 51977.923 | 266.5417 | -27.95 | 24.66 | 19.03 | 92.96 |
GRS_1734-292 | 51977.914 | 264.3533 | -29.18 | 45.93 | 7.28 | 22.07 |
GRS_1747-312 | 51977.924 | 267.6900 | -31.29 | -13.44 | 22.93 | 27.78 |
GRS_1758-258 | 51978.040 | 270.3025 | -25.74 | 50.98 | 18.09 | 3961.31 |
GS_1826-238 | 51978.064 | 277.3623 | -23.79 | 436.89 | 1.52 | 2.95 |
GX_1+4 | 51977.910 | 263.0090 | -24.75 | 124.95 | 12.53 | 7.19 |
GX_1+4 | 51977.916 | 263.0090 | -24.75 | 115.35 | 16.05 | 7.19 |
GX_3+1 | 51977.962 | 266.9830 | -26.56 | 4231.44 | 59.02 | 20.76 |
GX_5-1 | 51978.036 | 270.2840 | -25.08 | 13675.72 | 182.34 | 18.58 |
GX_5-1 | 51978.040 | 270.2840 | -25.08 | 12906.50 | 68.91 | 18.58 |
GX_5-1 | 51978.043 | 270.2840 | -25.08 | 14015.58 | 125.38 | 18.58 |
H1743-322 | 51977.920 | 266.5700 | -32.24 | 4.57 | 6.68 | 30.81 |
IGR_J17191-2821 | 51977.897 | 259.7700 | -28.35 | -0.82 | 3.45 | 3.44 |
IGR_J17331-2406 | 51977.916 | 263.2833 | -24.11 | 8.43 | 4.04 | 34.86 |
IGR_J17375-3022 | 51977.913 | 264.3946 | -30.38 | 25.10 | 12.15 | 129.62 |
IGR_J17497-2821 | 51977.925 | 267.4041 | -28.36 | 68.99 | 257.76 | 275.80 |
IGR_J17511-3057 | 51977.924 | 267.7875 | -30.96 | 11.62 | 26.34 | 16.34 |
IGR_J17586-2129 | 51978.042 | 269.6440 | -21.39 | 9.48 | 5.41 | 50.06 |
K1724-356 | 51977.899 | 261.9133 | -35.73 | 2.72 | 4.33 | 28.02 |
KS_1731-260 | 51977.915 | 263.5539 | -26.09 | -0.51 | 5.61 | 8.50 |
KS_1732-273 | 51977.915 | 263.9958 | -27.44 | 7.46 | 7.98 | 43.00 |
KS_1741-293 | 51977.921 | 266.2042 | -29.35 | 221.18 | 77.47 | 327.02 |
MXB_1730-33 | 51977.906 | 263.3498 | -33.39 | 8.52 | 12.88 | 773.78 |
NGC_6440 | 51978.035 | 267.2195 | -20.36 | 15.92 | 29.92 | 6.01 |
OPH_CLU | 51977.896 | 258.1580 | -23.39 | 289.33 | 3.28 | 2.56 |
RXS_J172006.1 | 51977.894 | 260.0254 | -31.28 | 29.24 | 6.64 | 6.61 |
RXS_J172525.5 | 51977.899 | 261.3563 | -32.95 | 23.34 | 4.06 | 14.92 |
RXS_J173251.1 | 51977.905 | 263.2129 | -34.79 | 12.65 | 6.59 | 75.89 |
RXS_J175428.3 | 51978.032 | 268.6179 | -26.34 | 7.40 | 8.97 | 33.12 |
RXS_J180326.2 | 51978.042 | 270.8417 | -25.27 | -29.78 | 22.58 | 5840.39 |
RXS_J180824.5 | 51978.048 | 272.1021 | -23.15 | 4.92 | 2.48 | 13.29 |
R_1832-330 | 51978.059 | 278.9317 | -32.99 | 59.88 | 5.25 | 2.55 |
SAXJ1747.0-2853 | 51977.923 | 266.7879 | -28.88 | -127.86 | 107.69 | 610.10 |
SAXJ1750.8-2900 | 51977.925 | 267.6000 | -29.03 | 934.11 | 61.98 | 24.38 |
SAXJ1753.5-2349 | 51978.034 | 268.3917 | -23.82 | -3.64 | 3.68 | 16.50 |
SAXJ1806.5-2215 | 51978.048 | 271.6417 | -22.25 | 2.23 | 0.94 | 20.10 |
SAXJ1808.4-3658 | 51978.031 | 272.1208 | -36.98 | -0.51 | 0.77 | 2.59 |
SAXJ1808.4-365P | 51978.031 | 271.1200 | -35.50 | -1.30 | 3.33 | 2.84 |
SAXJ1810.8-2609 | 51978.048 | 272.6850 | -26.15 | 5.49 | 3.41 | 8.01 |
SGR_1806-20 | 51978.055 | 272.1642 | -20.41 | 4.96 | 3.80 | 28.30 |
SGR_A | 51977.922 | 266.4000 | -29.00 | -53.94 | 117.09 | 468.17 |
SLX_1735-269 | 51977.916 | 264.5647 | -27.00 | 106.73 | 6.95 | 16.47 |
SLX_1737-282 | 51977.918 | 265.2360 | -28.31 | 42.46 | 19.07 | 43.24 |
SLX_1744-300 | 51977.922 | 266.8580 | -30.04 | 113.75 | 21.78 | 162.97 |
SLX_1746-331 | 51977.921 | 267.4608 | -33.20 | 14.00 | 5.35 | 17.84 |
SW_J1729.9-3437 | 51977.902 | 262.5375 | -34.61 | -14.95 | 8.00 | 209.13 |
SW_J1756.9-2508 | 51978.035 | 269.2380 | -25.11 | -9.04 | 5.88 | 694.38 |
TERZAN_2 | 51977.904 | 261.8880 | -30.80 | 205.00 | 8.05 | 13.45 |
WGAJ1715.3-2635 | 51977.896 | 258.8370 | -26.60 | 1.60 | 3.23 | 2.82 |
XTE_J1710-281 | 51977.889 | 257.5500 | -28.12 | 18.96 | 5.91 | 2.78 |
XTE_J1710-281P | 51977.890 | 258.5500 | -28.91 | 3.21 | 3.60 | 3.44 |
XTE_J1719-291 | 51977.897 | 259.8890 | -29.06 | -3.22 | 3.64 | 4.81 |
XTE_J1719-356 | 51977.892 | 259.9700 | -35.68 | 2.08 | 3.69 | 16.13 |
XTE_J1720-318 | 51977.894 | 259.9961 | -31.75 | -3.54 | 5.80 | 23.56 |
XTE_J1723-376 | 51977.892 | 260.9000 | -37.65 | -0.88 | 2.92 | 15.44 |
XTE_J1726-283 | 51977.904 | 261.6570 | -28.30 | 2.65 | 3.66 | 7.64 |
XTE_J1728-295 | 51977.905 | 262.1570 | -29.52 | -0.32 | 4.29 | 11.76 |
XTE_J1734-234 | 51977.916 | 263.5280 | -23.36 | -1.01 | 1.23 | 5.53 |
XTE_J1737-376 | 51977.906 | 264.4950 | -37.77 | -2.54 | 1.14 | 7.07 |
XTE_J1739-285 | 51977.918 | 264.9790 | -28.48 | 31.02 | 18.35 | 54.40 |
XTE_J1739-302 | 51977.914 | 264.7500 | -30.27 | 154.98 | 13.98 | 47.80 |
XTE_J1743-363 | 51977.913 | 265.7415 | -36.33 | 9.31 | 1.27 | 7.55 |
XTE_J1744-230 | 51977.950 | 266.0350 | -23.12 | 42.13 | 13.23 | 8.55 |
XTE_J1747-274 | 51977.924 | 266.9095 | -27.44 | 9.24 | 23.28 | 424.81 |
XTE_J1748-288 | 51977.924 | 267.0210 | -28.47 | -35.37 | 198.07 | 377.71 |
XTE_J1751-305 | 51977.924 | 267.8062 | -30.62 | 8.83 | 18.31 | 24.48 |
XTE_J1752-223 | 51978.034 | 268.0440 | -22.32 | 0.25 | 2.71 | 11.94 |
XTE_J1752-280 | 51978.029 | 268.2000 | -28.00 | 23.94 | 6.94 | 35.64 |
XTE_J1755-312 | 51977.974 | 268.7820 | -31.16 | 28.58 | 46.29 | 19.97 |
XTE_J1756-342 | 51977.926 | 269.0228 | -34.21 | 0.95 | 3.51 | 5.18 |
XTE_J1757-306 | 51978.031 | 269.4130 | -30.66 | 35.90 | 7.31 | 16.79 |
XTE_J1759-220 | 51978.042 | 269.9404 | -22.03 | 53.97 | 3.62 | 21.64 |
XTE_J1805-295 | 51978.038 | 271.4045 | -29.52 | 11.54 | 7.84 | 4.69 |
XTE_J1807-294 | 51978.040 | 271.7441 | -29.40 | -3.33 | 7.41 | 14.09 |
XTE_J1810-189 | 51978.056 | 272.5863 | -19.07 | -4.56 | 13.14 | 38.67 |
XTE_J1812-230 | 51978.055 | 273.2000 | -23.00 | 12.90 | 3.85 | 10.14 |
XTE_J1814-338 | 51978.039 | 273.4126 | -33.77 | 1.41 | 4.26 | 2.65 |
XTE_J1817-330 | 51978.045 | 274.4250 | -33.02 | -2.79 | 2.33 | 2.61 |
XTE_J1818-245 | 51978.056 | 274.6050 | -24.54 | 8.00 | 4.28 | 6.63 |
XTE_J1819-254 | 51978.056 | 274.8300 | -25.41 | 17.72 | 4.05 | 4.94 |
XTE_J1819-254P | 51978.051 | 273.8300 | -26.41 | 4.76 | 4.57 | 5.15 |
Legend -------------------------- 1 - XTE J1710-281 2 - XTE J1710-281P 3 - OPH CLU 5 - WGAJ1715.3-2635 8 - XTE J1719-356 10 - RXS J172006.1 12 - EXO 1722-363 13 - RXS J172525.5 14 - XTE J1726-283 15 - TERZAN 2 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 26 - KS 1732-273 27 - GRS 1734-292 28 - IGR J17375-3022 30 - SLX 1735-269 31 - XTE J1739-302 32 - XTE J1739-285 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 42 - 2S1742-294 43 - GCRT J1746-2757 44 - 1E1743.1-2843 45 - H1743-322 48 - SLX 1744-300 50 - XTE J1747-274 51 - GX 3+1 55 - A1744-361 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 J1755-312 191 - GX 1+4 | |
Legend -------------------------- 37 - XTE J1744-230 51 - GX 3+1 53 - EXO 1745-248 62 - SAXJ1750.8-2900 68 - XTE J1752-280 70 - RXS J175428.3 71 - XTE J1755-312 74 - XTE J1757-306 75 - IGR J17586-2129 76 - XTE J1759-220 77 - GX 5-1 78 - GRS 1758-258 83 - XTE J1805-295 85 - SAXJ1806.5-2215 86 - 2S1803-245 87 - RXS J180824.5 93 - SAXJ1810.8-2609 192 - GX 5-1 193 - 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 J1812-230 100 - XTE J1818-245 101 - XTE J1819-254 102 - XTE J1819-254P 103 - 4U 1820-30 104 - GS 1826-238 105 - R 1832-330 150 - G11.2-0.3 194 - 4U 1820-30 195 - 4U 1820-30 |
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Generated automatically on Fri Mar 18 23:18:06 2011 by Craig Markwardt