GRB051016a

Last Update: Fri Nov 16 23:26:50 EST 2007
Target ID: 159913
PC Data Segments: 000 (ver. 15) to 009 (ver. 23) more info.
WT Data Segments: 000 (ver. 15) more info.

Images

PC mode

#	RA(2000)	Dec(2000)	SNR
SIMBAD	RA(2000)	Dec(2000)	identifier	object_type

1	08:11:16.726	-18:17:51.816	1.820E+01
SIMBAD:	08:11:16.78	-18:17:49.3	USNO-A2.0 0675-08481584	Star
SIMBAD:	08:11:16.65	-18:17:55.1	GRB 051016	gammaBurst
2	08:11:21.123	-18:20:28.511	5.471E+00
3	08:11:35.473	-18:17:34.579	1.026E+01
4	08:11:17.434	-18:22:15.592	5.983E+00
5	08:11:16.977	-18:23:31.813	8.873E+00
6	08:10:59.418	-18:17:50.788	7.925E+00
7	08:11:20.749	-18:13:18.818	5.019E+00
8	08:11:02.157	-18:21:12.058	1.483E+01
SIMBAD:	08:11:02.164	-18:21:11.32	HD  68261	Star,IR
9	08:11:00.639	-18:14:01.389	7.510E+00
10	08:11:30.647	-18:12:15.864	6.337E+00
11	08:10:53.425	-18:16:02.667	7.483E+00
12	08:11:19.163	-18:26:43.525	7.081E+00
13	08:10:57.764	-18:24:08.950	7.782E+00
14	08:11:07.939	-18:26:12.095	6.239E+00
15	08:11:54.889	-18:20:58.809	6.580E+00
16	08:11:23.302	-18:27:42.771	7.797E+00
17	08:11:08.743	-18:09:36.057	6.013E+00
18	08:10:42.657	-18:23:07.021	1.025E+01
SIMBAD:	08:10:42.702	-18:23:08.24	TYC 6000-1726-1	Star,IR
19	08:12:03.872	-18:15:26.920	1.604E+01
20	08:10:39.529	-18:27:05.460	5.795E+00
21	08:10:46.458	-18:08:36.087	6.447E+00
22	08:11:43.630	-18:31:03.042	8.233E+00

WT mode

Light curves

0.3-10.0 keV

Light curve fit log

Hardness Ratio (0.3-1.5-10.0)

Spectra

WT mode

Time interval without pile-up.

  Model:  wabs<1>( pegpwrlw<2> )
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
  Model:  wabs<1>( pegpwrlw<2> )
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   wabs       nH       10^22     0.399108     +/-  0.190081
    2    2    2   pegpwrlw   PhoIndex            3.02972     +/-  0.949458
    3    3    2   pegpwrlw   eMin     keV       0.300000     frozen
    4    4    2   pegpwrlw   eMax     keV        10.0000     frozen
    5    5    2   pegpwrlw   norm                668.801     +/-   555.932
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 Chi-Squared =      1.580522     using     5 PHA bins.
 Reduced chi-squared =     0.7902609     for      2 degrees of freedom
 Null hypothesis probability = 0.454

!XSPEC>    error 1;
 Parameter   Confidence Range (     2.706)
 Apparent non-monotonicity in Chi-Squared space detected
 Current bracket values :  0.783337     0.784407
 and delta Chi-Squared  :   2.69422      2.72783
 but latest trial  0.783794     gives Chi-Squared =   2.76234
 Suggest that you check this result using the steppar command
     1    0.119388        0.783872        (   -0.279720    ,     0.384764    )

!XSPEC>    error 2;
 Parameter   Confidence Range (     2.706)
 Minimization may have run into a problem, check your result
     2     1.59442         4.75012        (    -1.43530    ,      1.72040    )

!XSPEC>    error 5;
 Parameter   Confidence Range (     2.706)
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 Number of trials exceeded before convergence.
 Current trial values  :   486.144      13.4411
 and delta Chi-Squared :  0.169626      80.7253
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
 *WARNING*:RENORM: No variable model to allow renormalization
     5     43.0596         5627.64        (    -625.742    ,      4958.84    )

!XSPEC>    flux 0.3 10.0;
 Model flux  6.8706E-02 photons ( 1.6886E-10 ergs)cm**-2 s**-1 (  0.300- 10.000)

!XSPEC>    dummyrsp 0.01 200;
 Chi-Squared =      97.42860     using     5 PHA bins.
 Reduced chi-squared =      48.71430     for      2 degrees of freedom
 Null hypothesis probability = 6.977E-22

!XSPEC>    flux 14.0 194.0;
 Model flux  2.9608E-04 photons ( 1.2277E-11 ergs)cm**-2 s**-1 ( 14.000-194.000)

!XSPEC>    puts "Conversion factor (0.3-10.0 keV): $cv \[ergs cm**-2 count**-1\]";
Conversion factor (0.3-10.0 keV): 1.27003418154e-10 [ergs cm**-2 count**-1]

!XSPEC>    log none;

PC mode

Time interval suffered by pile-up. Central regions is excluded.

  Model:  wabs<1>( pegpwrlw<2> )
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
  Model:  wabs<1>( pegpwrlw<2> )
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   wabs       nH       10^22     0.152846     +/-  0.240794
    2    2    2   pegpwrlw   PhoIndex            2.24436     +/-   1.43773
    3    3    2   pegpwrlw   eMin     keV       0.300000     frozen
    4    4    2   pegpwrlw   eMax     keV        10.0000     frozen
    5    5    2   pegpwrlw   norm                108.912     +/-   44.8630
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 Chi-Squared =     1.7448386E-12 using     3 PHA bins.

!XSPEC>    error 1;
 Reduced chi square (    inf) > maximum (  2.000)

!XSPEC>    error 2;
 Reduced chi square (    inf) > maximum (  2.000)

!XSPEC>    error 5;
 Reduced chi square (    inf) > maximum (  2.000)

!XSPEC>    flux 0.3 10.0;
 Model flux  2.8518E-02 photons ( 7.1112E-11 ergs)cm**-2 s**-1 (  0.300- 10.000)

!XSPEC>    dummyrsp 0.01 200;
 Chi-Squared =      60.65533     using     3 PHA bins.

!XSPEC>    flux 14.0 194.0;
 Model flux  6.2359E-04 photons ( 3.5090E-11 ergs)cm**-2 s**-1 ( 14.000-194.000)

!XSPEC>    puts "Conversion factor (0.3-10.0 keV): $cv \[ergs cm**-2 count**-1\]";
Conversion factor (0.3-10.0 keV): 1.31204819277e-10 [ergs cm**-2 count**-1]

!XSPEC>    log none;

Time interval without pile-up.

  Model:  wabs<1>( pegpwrlw<2> )
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
  Model:  wabs<1>( pegpwrlw<2> )
  Model Fit Model Component  Parameter  Unit     Value
  par   par comp
    1    1    1   wabs       nH       10^22     0.376400     +/-  0.741356E-01
    2    2    2   pegpwrlw   PhoIndex            2.83516     +/-  0.259565
    3    3    2   pegpwrlw   eMin     keV       0.300000     frozen
    4    4    2   pegpwrlw   eMax     keV        10.0000     frozen
    5    5    2   pegpwrlw   norm               0.278146     +/-  0.718140E-01
  ---------------------------------------------------------------------------
  ---------------------------------------------------------------------------
 Chi-Squared =      37.88842     using    21 PHA bins.
 Reduced chi-squared =      2.104913     for     18 degrees of freedom
 Null hypothesis probability = 4.007E-03

!XSPEC>    error 1;
 Reduced chi square (  2.105) > maximum (  2.000)

!XSPEC>    error 2;
 Reduced chi square (  2.105) > maximum (  2.000)

!XSPEC>    error 5;
 Reduced chi square (  2.105) > maximum (  2.000)

!XSPEC>    flux 0.3 10.0;
 Model flux  3.3423E-05 photons ( 8.7131E-14 ergs)cm**-2 s**-1 (  0.300- 10.000)

!XSPEC>    dummyrsp 0.01 200;
 Chi-Squared =      285.4258     using    21 PHA bins.
 Reduced chi-squared =      15.85699     for     18 degrees of freedom
 Null hypothesis probability =  0.00

!XSPEC>    flux 14.0 194.0;
 Model flux  2.3900E-07 photons ( 1.0554E-14 ergs)cm**-2 s**-1 ( 14.000-194.000)

!XSPEC>    puts "Conversion factor (0.3-10.0 keV): $cv \[ergs cm**-2 count**-1\]";
Conversion factor (0.3-10.0 keV): 1.09058823529e-10 [ergs cm**-2 count**-1]

!XSPEC>    log none;