Maximum likelihood cluster reconstruction
We present a novel method to reconstruct the mass distribution of galaxy clusters from their gravitational lens effect on background galaxies. The method is based on a least-χ 2 fit of the two-dimensional gravitational cluster potential. The method combines information from shear and magnification b...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
1996 June 20
|
| In: |
The astrophysical journal. Part 2, Letters
Year: 1996, Jahrgang: 464, Heft: 2, Pages: L115-118 |
| ISSN: | 2041-8213 |
| DOI: | 10.1086/310114 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1086/310114
|
| Verfasserangaben: | Matthias Bartelmann, Ramesh Narayan, Stella Seitz, and Peter Schneider |
| Zusammenfassung: | We present a novel method to reconstruct the mass distribution of galaxy clusters from their gravitational lens effect on background galaxies. The method is based on a least-χ 2 fit of the two-dimensional gravitational cluster potential. The method combines information from shear and magnification by the cluster lens and is designed to easily incorporate possible additional information. We describe the technique and demonstrate its feasibility with simulated data. Both the cluster morphology and the total cluster mass are well reproduced. |
|---|---|
| Beschreibung: | Gesehen am 29.09.2017 |
| Beschreibung: | Online Resource |
| ISSN: | 2041-8213 |
| DOI: | 10.1086/310114 |