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

PCA Reconstructed model on 2001-03-09 (click a source)

1E1740.7-2942 (265.96,-29.75) 1E1743.1-2843 (266.58,-28.72) 2E1746.7-3225 (267.51,-32.43) 2S1742-294 (266.52,-29.52) 2S1803-245 (271.71,-24.59) 4U 1728-34 (262.99,-33.83) 4U 1820-30 (275.93,-30.37) A1744-361 (267.08,-36.12) AX J1749.1-2639 (267.30,-26.65) EXO 1722-363 (261.48,-36.41) EXO 1742-326 (266.37,-32.69) EXO 1745-248 (267.02,-24.78) GCRT J1745-3009 (266.27,-30.16) GCRT J1746-2757 (266.54,-27.95) GRS 1734-292 (264.35,-29.18) GRS 1747-312 (267.69,-31.29) GRS 1758-258 (270.30,-25.74) GS 1826-238 (277.36,-23.79) GX 1+4 (263.01,-24.75) GX 3+1 (266.98,-26.56) GX 5-1 (270.28,-25.08) H1743-322 (266.57,-32.24) IGR J17191-2821 (259.77,-28.35) IGR J17331-2406 (263.28,-24.11) IGR J17375-3022 (264.39,-30.38) IGR J17497-2821 (267.40,-28.36) IGR J17511-3057 (267.79,-30.96) IGR J17586-2129 (269.64,-21.39) K1724-356 (261.91,-35.73) KS 1731-260 (263.55,-26.09) KS 1732-273 (264.00,-27.44) KS 1741-293 (266.20,-29.35) MXB 1730-33 (263.35,-33.39) NGC 6440 (267.22,-20.36) OPH CLU (258.16,-23.39) R 1832-330 (278.93,-32.99) RXS J172006.1 (260.03,-31.28) RXS J172525.5 (261.36,-32.95) RXS J173251.1 (263.21,-34.79) RXS J175428.3 (268.62,-26.34) RXS J180326.2 (270.84,-25.27) RXS J180824.5 (272.10,-23.15) SAXJ1747.0-2853 (266.79,-28.88) SAXJ1750.8-2900 (267.60,-29.03) SAXJ1753.5-2349 (268.39,-23.82) SAXJ1806.5-2215 (271.64,-22.25) SAXJ1808.4-3658 (272.12,-36.98) SAXJ1808.4-365P (271.12,-35.50) SAXJ1810.8-2609 (272.69,-26.15) SGR 1806-20 (272.16,-20.41) SGR A (266.40,-29.00) SLX 1735-269 (264.56,-27.00) SLX 1737-282 (265.24,-28.31) SLX 1744-300 (266.86,-30.04) SLX 1746-331 (267.46,-33.20) SW J1729.9-3437 (262.54,-34.61) SW J1756.9-2508 (269.24,-25.11) TERZAN 2 (261.89,-30.80) WGAJ1715.3-2635 (258.84,-26.60) XTE J1710-281 (257.55,-28.12) XTE J1710-281P (258.55,-28.91) XTE J1719-291 (259.89,-29.06) XTE J1719-356 (259.97,-35.68) XTE J1720-318 (260.00,-31.75) XTE J1723-376 (260.90,-37.65) XTE J1726-283 (261.66,-28.30) XTE J1728-295 (262.16,-29.52) XTE J1734-234 (263.53,-23.36) XTE J1737-376 (264.50,-37.77) XTE J1739-285 (264.98,-28.48) XTE J1739-302 (264.75,-30.27) XTE J1743-363 (265.74,-36.33) XTE J1744-230 (266.04,-23.12) XTE J1747-274 (266.91,-27.44) XTE J1748-288 (267.02,-28.47) XTE J1751-305 (267.81,-30.62) XTE J1752-223 (268.04,-22.32) XTE J1752-280 (268.20,-28.00) XTE J1755-312 (268.78,-31.16) XTE J1756-342 (269.02,-34.21) XTE J1757-306 (269.41,-30.66) XTE J1759-220 (269.94,-22.03) XTE J1805-295 (271.40,-29.52) XTE J1807-294 (271.74,-29.40) XTE J1810-189 (272.59,-19.07) XTE J1812-230 (273.20,-23.00) XTE J1814-338 (273.41,-33.77) XTE J1817-330 (274.43,-33.02) XTE J1818-245 (274.61,-24.54) XTE J1819-254 (274.83,-25.41) XTE J1819-254P (273.83,-26.41)

Commentary

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

Known Sources: ASCII table

SourceTime (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

Scan Light Curve

Light Curve - Day 2624v - Part 1

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       
Light Curve - Day 2624v - Part 2

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          
Light Curve - Day 2624v - Part 3

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          
Light Curve - Day 2624v - Part 4

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