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 |
-0.258 |
-0.410 |
| ACIS-I |
-0.105 |
0.103 |
-0.002 |
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 |
0.635 |
0.000 |
0.913 |
0.004 |
1.380 |
0.007 |
| Q-norm |
0.044 |
0.000 |
0.080 |
0.001 |
0.140 |
0.001 |
| ACIS-I |
keV |
0.840 |
0.002 |
1.161 |
0.006 |
1.672 |
0.007 |
| Q-norm |
0.070 |
0.000 |
0.112 |
0.001 |
0.178 |
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.
| 1.5437 |
1.4494 |
1.6952 |
2.5033 |
0.0000 |
0.0000 |
0.1995 |
0.1768 |
0.0717 |
0.4922 |
0.8748 |
0.5966 |
0.0000 |
0.0000 |
| 0.0170 |
0.0009 |
0.0111 |
0.0009 |
0.0282 |
0.0012 |
0.0664 |
0.0002 |
0.0682 |
0.0002 |
36.3394 |
0.1250 |
Spectral Fits
LETG Light Curve
 |
| Odds | 60.756 |
| 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