Chandra Configuration for the Observation
Zeroth-Order Image
 | |
| The zeroth-order image for PG 1211+143 |
Hardness Ratios and Quantiles
Hardness ratios and quantiles are calculated from the predicted ACIS-S or ACIS-I aimpoint spectra, as indicated.
| ACIS-S |
-0.170 |
-0.291 |
-0.439 |
| ACIS-I |
-0.108 |
0.078 |
-0.030 |
S, M, and H represent the predicted total counts in the following passbands: S: 0.3-0.9 keV M: 0.9-1.5 keV H: 1.5-8.0 keV |
| ACIS-S |
keV |
0.621 |
0.000 |
0.883 |
0.001 |
1.351 |
0.004 |
| Q-norm |
0.042 |
0.000 |
0.076 |
0.000 |
0.136 |
0.001 |
| ACIS-I |
keV |
0.825 |
0.003 |
1.146 |
0.002 |
1.628 |
0.007 |
| Q-norm |
0.068 |
0.000 |
0.110 |
0.000 |
0.172 |
0.001 |
Normalized quantiles (Q-norm) are defined as:
Qx = (Ex - Elo)/(Ehi - Elo) Where Elo = 0.3 keV and Ehi = 8.0 keV. |
Spectral Metrics
A series of line-line, line-continuum, and continuum-continuum ratios calculated from the high-resolution 1st order MEG or LEG spectrum.
| 1.8153 |
0.7598 |
0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.4512 |
1.1235 |
1.9100 |
4.7255 |
1.9984 |
4.9418 |
0.6610 |
1.6431 |
| 0.0066 |
0.0002 |
0.0046 |
0.0002 |
0.0113 |
0.0003 |
0.0706 |
0.0001 |
0.0725 |
0.0001 |
38.6280 |
0.0929 |
Spectral Fits
LETG Light Curve
 |
| Odds | 57.293 |
| Prob. | 1.000 |
| Var. Index | 10 |
|
LETG light curve for PG 1211+143, constructed from all ±1st, ±2nd, and ±3rd order LETG events.
LETG LEG Spectrum
High-Resolution 1st Order LEG Spectrum for PG 1211+143
X-Atlas Data Products
Retrieve observation data from the Chandra Data Archive:
WebChaSeR