RXTE Galactic Center Observation

Observation Date:2001-03-07
Mission Day:2622d
Modified Julian Day: 51975.171
Mission times: 226555585.00- 226570681.00
Scan type:cross

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 2001-03-07 (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 1746-371 (267.55,-37.05) 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) GX 9+1 (270.38,-20.53) 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) OPH CLU (258.16,-23.39) R 1832-330 (278.93,-32.99) RXJ1709.5-263 (257.38,-26.66) 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) SAXJ1802.7-2017 (270.67,-20.29) SAXJ1805.5-2031 (271.39,-20.51) 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 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 51975.268 265.9604 -29.75 290.23 36.52 210.49
1E1743.1-2843 51975.307 266.5792 -28.72 -123.58 107.30 494.18
2E1746.7-3225 51975.196 267.5144 -32.43 19.50 5.73 16.10
2S1742-294 51975.273 266.5230 -29.52 250.13 59.54 422.92
2S1803-245 51975.321 271.7090 -24.59 -4.51 6.27 14.97
4U_1728-34 51975.194 262.9920 -33.83 1265.41 22.98 60.40
4U_1746-371 51975.174 267.5523 -37.05 224.94 10.06 4.54
4U_1820-30 51975.192 275.9280 -30.37 3155.62 60.66 3.00
4U_1820-30 51975.198 275.9280 -30.37 3936.79 35.67 3.00
A1744-361 51975.179 267.0800 -36.12 5.96 4.12 10.92
AX_J1749.1-2639 51975.315 267.3000 -26.65 14.63 35.56 2673.52
EXO_1722-363 51975.181 261.4810 -36.41 -0.33 3.02 20.17
EXO_1742-326 51975.196 266.3690 -32.69 40.90 6.83 18.72
EXO_1745-248 51975.326 267.0208 -24.78 16.10 3.69 16.37
GCRT_J1745-3009 51975.241 266.2708 -30.16 -8.52 21.90 363.75
GCRT_J1746-2757 51975.310 266.5417 -27.95 88.99 26.39 25.66
GRS_1734-292 51975.307 264.3533 -29.18 52.75 6.39 21.06
GRS_1747-312 51975.201 267.6900 -31.29 4.21 15.18 20.12
GRS_1758-258 51975.317 270.3025 -25.74 64.96 14.23 3624.98
GS_1826-238 51975.319 277.3623 -23.79 445.61 2.62 3.34
GX_1+4 51975.325 263.0090 -24.75 68.90 32.86 4.49
GX_1+4 51975.329 263.0090 -24.75 60.34 6.07 4.49
GX_1+4 51975.332 263.0090 -24.75 68.43 7.69 4.49
GX_3+1 51975.313 266.9830 -26.56 3943.89 61.87 35.01
GX_3+1 51975.319 266.9830 -26.56 3748.79 41.36 35.01
GX_5-1 51975.317 270.2840 -25.08 15456.95 113.23 91.93
GX_5-1 51975.321 270.2840 -25.08 12670.04 59.86 91.93
GX_9+1 51975.340 270.3846 -20.53 8368.11 110.66 -75.22
H1743-322 51975.197 266.5700 -32.24 4.91 7.50 38.67
IGR_J17191-2821 51975.315 259.7700 -28.35 1.23 5.22 4.58
IGR_J17331-2406 51975.333 263.2833 -24.11 -3.30 7.46 23.15
IGR_J17375-3022 51975.247 264.3946 -30.38 -1.75 8.69 41.01
IGR_J17497-2821 51975.307 267.4041 -28.36 12.86 43.60 350.67
IGR_J17511-3057 51975.203 267.7875 -30.96 -0.16 29.83 27.73
IGR_J17586-2129 51975.338 269.6440 -21.39 -5.93 5.98 64.37
K1724-356 51975.185 261.9133 -35.73 -17.56 8.21 25.89
KS_1731-260 51975.322 263.5539 -26.09 6.00 3.63 8.88
KS_1732-273 51975.315 263.9958 -27.44 6.03 5.18 39.27
KS_1741-293 51975.282 266.2042 -29.35 -14.07 95.03 586.22
MXB_1730-33 51975.195 263.3498 -33.39 60.17 11.78 564.32
OPH_CLU 51975.337 258.1580 -23.39 565.93 18.75 2.94
RXJ1709.5-263 51975.326 257.3760 -26.66 2.45 0.70 3.00
RXS_J172006.1 51975.238 260.0254 -31.28 54.47 3.36 9.62
RXS_J172525.5 51975.199 261.3563 -32.95 23.73 6.92 15.30
RXS_J173251.1 51975.188 263.2129 -34.79 14.46 5.51 63.18
RXS_J175428.3 51975.315 268.6179 -26.34 5.69 4.86 33.52
RXS_J180326.2 51975.318 270.8417 -25.27 132.25 19.71 5286.27
RXS_J180824.5 51975.328 272.1021 -23.15 13.53 3.64 13.66
R_1832-330 51975.178 278.9317 -32.99 77.19 1.38 2.93
SAXJ1747.0-2853 51975.306 266.7879 -28.88 142.71 118.19 480.20
SAXJ1750.8-2900 51975.285 267.6000 -29.03 1140.03 26.35 59.52
SAXJ1753.5-2349 51975.329 268.3917 -23.82 -2.20 4.24 16.88
SAXJ1802.7-2017 51975.340 270.6663 -20.29 -140.93 172.40 5263.99
SAXJ1805.5-2031 51975.340 271.3917 -20.51 2.64 13.31 408.57
SAXJ1806.5-2215 51975.334 271.6417 -22.25 4.67 3.27 20.72
SAXJ1808.4-3658 51975.172 272.1208 -36.98 -0.94 0.81 2.97
SAXJ1808.4-365P 51975.178 271.1200 -35.50 -1.43 2.97 3.22
SAXJ1810.8-2609 51975.313 272.6850 -26.15 1.03 3.01 8.48
SGR_1806-20 51975.340 272.1642 -20.41 8.21 6.49 29.24
SGR_A 51975.306 266.4000 -29.00 334.16 109.42 196.54
SLX_1735-269 51975.316 264.5647 -27.00 91.84 5.98 16.46
SLX_1737-282 51975.309 265.2360 -28.31 43.75 14.09 33.80
SLX_1744-300 51975.237 266.8580 -30.04 311.48 19.05 144.28
SLX_1746-331 51975.193 267.4608 -33.20 7.91 5.17 15.00
SW_J1729.9-3437 51975.189 262.5375 -34.61 -2.48 6.55 160.80
SW_J1756.9-2508 51975.321 269.2380 -25.11 29.98 9.37 631.43
TERZAN_2 51975.255 261.8880 -30.80 251.82 6.99 13.83
WGAJ1715.3-2635 51975.325 258.8370 -26.60 3.16 2.22 3.21
XTE_J1710-281 51975.315 257.5500 -28.12 24.57 1.06 3.16
XTE_J1710-281P 51975.310 258.5500 -28.91 0.20 11.19 3.83
XTE_J1719-291 51975.308 259.8890 -29.06 0.10 4.79 5.66
XTE_J1719-356 51975.185 259.9700 -35.68 3.00 1.42 16.51
XTE_J1720-318 51975.230 259.9961 -31.75 1.77 6.80 36.47
XTE_J1723-376 51975.176 260.9000 -37.65 -0.90 0.89 15.82
XTE_J1726-283 51975.313 261.6570 -28.30 2.55 9.23 8.03
XTE_J1728-295 51975.307 262.1570 -29.52 -0.49 3.69 12.15
XTE_J1734-234 51975.336 263.5280 -23.36 0.65 3.72 4.05
XTE_J1737-376 51975.174 264.4950 -37.77 -3.36 3.99 7.46
XTE_J1739-285 51975.308 264.9790 -28.48 17.28 14.25 56.28
XTE_J1739-302 51975.253 264.7500 -30.27 21.46 9.74 30.44
XTE_J1743-363 51975.179 265.7415 -36.33 25.69 4.31 7.93
XTE_J1744-230 51975.336 266.0350 -23.12 7.35 3.57 8.94
XTE_J1747-274 51975.313 266.9095 -27.44 -2.42 23.44 404.81
XTE_J1748-288 51975.307 267.0210 -28.47 12.99 75.12 363.65
XTE_J1751-305 51975.204 267.8062 -30.62 9.87 17.93 25.93
XTE_J1752-223 51975.336 268.0440 -22.32 -0.76 4.78 12.32
XTE_J1752-280 51975.307 268.2000 -28.00 35.50 9.60 27.31
XTE_J1755-312 51975.200 268.7820 -31.16 15.39 5.06 18.96
XTE_J1756-342 51975.186 269.0228 -34.21 1.40 3.33 5.56
XTE_J1757-306 51975.202 269.4130 -30.66 29.94 5.81 14.44
XTE_J1759-220 51975.336 269.9404 -22.03 82.90 7.42 18.20
XTE_J1805-295 51975.205 271.4045 -29.52 6.40 5.96 8.38
XTE_J1807-294 51975.206 271.7441 -29.40 1.57 5.74 11.00
XTE_J1812-230 51975.327 273.2000 -23.00 7.36 2.98 10.66
XTE_J1814-338 51975.182 273.4126 -33.77 4.31 3.42 3.04
XTE_J1817-330 51975.185 274.4250 -33.02 -0.66 2.50 3.01
XTE_J1818-245 51975.313 274.6050 -24.54 5.50 2.65 6.56
XTE_J1819-254 51975.313 274.8300 -25.41 12.11 0.94 5.12
XTE_J1819-254P 51975.310 273.8300 -26.41 14.39 8.09 5.50

Scan Light Curve

Light Curve - Day 2622d - Part 1

Legend
--------------------------
  8 - XTE J1719-356   
 18 - 4U 1728-34      
 20 - RXS J173251.1   
 35 - XTE J1743-363   
 55 - A1744-361       
 59 - SLX 1746-331    
 61 - 4U 1746-371     
 72 - XTE J1756-342   
 96 - XTE J1814-338   
103 - 4U 1820-30      
105 - R 1832-330      
Light Curve - Day 2622d - Part 2

Legend
--------------------------
 10 - RXS J172006.1   
 13 - RXS J172525.5   
 15 - TERZAN 2        
 18 - 4U 1728-34      
 22 - MXB 1730-33     
 31 - XTE J1739-302   
 36 - 1E1740.7-2942   
 40 - EXO 1742-326    
 42 - 2S1742-294      
 45 - H1743-322       
 48 - SLX 1744-300    
 59 - SLX 1746-331    
 60 - 2E1746.7-3225   
 62 - SAXJ1750.8-2900 
 63 - GRS 1747-312    
 65 - XTE J1751-305   
 71 - XTE J1755-312   
 74 - XTE J1757-306   
 83 - XTE J1805-295   
 84 - XTE J1807-294   
103 - 4U 1820-30      
195 - 4U 1820-30      
Light Curve - Day 2622d - Part 3

Legend
--------------------------
  0 - RXJ1709.5-263   
  1 - XTE J1710-281   
  5 - WGAJ1715.3-2635 
 10 - RXS J172006.1   
 15 - TERZAN 2        
 25 - KS 1731-260     
 26 - KS 1732-273     
 27 - GRS 1734-292    
 30 - SLX 1735-269    
 31 - XTE J1739-302   
 32 - XTE J1739-285   
 33 - SLX 1737-282    
 36 - 1E1740.7-2942   
 41 - SGR A           
 42 - 2S1742-294      
 43 - GCRT J1746-2757 
 46 - SAXJ1747.0-2853 
 48 - SLX 1744-300    
 51 - GX 3+1          
 53 - EXO 1745-248    
 54 - XTE J1748-288   
 57 - AX J1749.1-2639 
 58 - IGR J17497-2821 
 62 - SAXJ1750.8-2900 
 68 - XTE J1752-280   
 70 - RXS J175428.3   
 73 - SW J1756.9-2508 
 77 - GX 5-1          
 78 - GRS 1758-258    
 81 - RXS J180326.2   
100 - XTE J1818-245   
101 - XTE J1819-254   
102 - XTE J1819-254P  
104 - GS 1826-238     
193 - GX 3+1          
194 - GX 5-1          
Light Curve - Day 2622d - Part 4

Legend
--------------------------
  0 - RXJ1709.5-263   
  3 - OPH CLU         
  5 - WGAJ1715.3-2635 
 19 - GX 1+4          
 25 - KS 1731-260     
 37 - XTE J1744-230   
 53 - EXO 1745-248    
 73 - SW J1756.9-2508 
 76 - XTE J1759-220   
 79 - GX 9+1          
 82 - SAXJ1805.5-2031 
 85 - SAXJ1806.5-2215 
 87 - RXS J180824.5   
 90 - SGR 1806-20     
 95 - XTE J1812-230   
150 - G11.2-0.3       
191 - GX 1+4          
192 - GX 1+4          
194 - GX 5-1          

Top | Maps | Commentary | Sources | Scan Light Curves

Generated automatically on Fri Mar 18 23:17:54 2011 by Craig Markwardt