Chandra Configuration for the Observation
Zeroth-Order Image
 | |
| The zeroth-order image for NGC 4507 |
Hardness Ratios and Quantiles
Hardness ratios and quantiles are calculated from the predicted ACIS-S or ACIS-I aimpoint spectra, as indicated.
| ACIS-S |
0.834 |
-0.116 |
0.795 |
| ACIS-I |
0.875 |
0.171 |
0.910 |
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 |
3.657 |
0.026 |
5.015 |
0.009 |
5.979 |
0.009 |
| Q-norm |
0.436 |
0.003 |
0.612 |
0.001 |
0.737 |
0.001 |
| ACIS-I |
keV |
4.256 |
0.012 |
5.220 |
0.009 |
6.125 |
0.008 |
| Q-norm |
0.514 |
0.002 |
0.639 |
0.001 |
0.756 |
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.
| 0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.0000 |
0.1991 |
0.2910 |
4.4830 |
5.7448 |
0.3093 |
0.5807 |
| 0.1434 |
0.0145 |
0.0082 |
0.0042 |
0.1521 |
0.0152 |
0.3212 |
0.0030 |
0.9413 |
0.0218 |
0.5179 |
0.0119 |
Spectral Fits

Mewe-Kaastra-Liedahl 2-temperature fit of the low-resolution zeroth-order spectrum of NGC 4507.
Warning: The zeroth-order spectrum may be subject to distortions from pileup.
| zeroth-order |
xswabs*(xsmekal1+xsmekal2) |
10.000 |
|
50.000 |
|
0.010 |
|
1.50 |
|
4.61375e-12 |
1201.21 |
20.80 |
352 |

Mewe-Kaastra-Liedahl 2-temperature fit of the predicted low-resolution ACIS-S Aimpoint spectrum of NGC 4507. The predicted spectrum was scaled to 1500 counts.
| ACIS-S |
xswabs*(xsmekal1+xsmekal2) |
0.000 |
|
2.330 |
|
1.000 |
|
1.49 |
|
2.12e-14 |
0.0397036 |
14.08 |
83 |

Mewe-Kaastra-Liedahl 2-temperature fit of the predicted low-resolution ACIS-I Aimpoint spectrum of NGC 4507. The predicted spectrum was scaled to 1500 counts.
| ACIS-I |
xswabs*(xsmekal1+xsmekal2) |
0.004 |
|
30.000 |
|
1.000 |
|
1.50 |
|
3.14265e-14 |
0 |
13.54 |
89 |
HETG Light Curve
 |
| Odds | -0.545 |
| Prob. | 0.222 |
| Var. Index | 0 |
|
HETG light curve for NGC 4507, constructed from all ±1st, ±2nd, and ±3rd order HETG events.
HETG HEG Spectrum
High-Resolution 1st Order HEG Spectrum for NGC 4507
HETG MEG Spectrum
High-Resolution 1st Order MEG Spectrum for NGC 4507
X-Atlas Data Products
Retrieve observation data from the Chandra Data Archive:
WebChaSeR