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Title:
Deep Radio, Optical, and Infrared Observations of SGR 1900+14
Authors:
Kaplan, D. L.; Kulkarni, S. R.; Frail, D. A.; van Kerkwijk, M. H.
Affiliation:
AA(Department of Astronomy, 105-24 California Institute of Technology, Pasadena, California 91125; , ), AB(Department of Astronomy, 105-24 California Institute of Technology, Pasadena, California 91125; , ), AC(National Radio Astronomy Observatory, Socorro, NM 87801; ), AD(Sterrenkundig Instituut, Universiteit Utrecht, Postbus 80000, 3508 TA Utrecht, Netherlands; )
Publication:
The Astrophysical Journal, Volume 566, Issue 1, pp. 378-386. (ApJ Homepage)
Publication Date:
02/2002
Origin:
UCP
ApJ Keywords:
Infrared: Stars, Stars: Pulsars: Individual: Alphanumeric: SGR 1900+14, Stars: Neutron, ISM: Supernova Remnants, X-Rays: Stars
DOI:
10.1086/338039
Bibliographic Code:
2002ApJ...566..378K

Abstract

We present Hubble Space Telescope/STIS, Keck J- and Ks-band, and VLA 332 and 1400 MHz images of the region around the soft γ-ray Repeater SGR 1900+14. No nonstellar sources were detected at the position of SGR 1900+14, giving 3 σ limits of S332MHz<6 mJy, S1.4GHz<1.5 mJy, m50CCD>~29.0 mag, J>~22.8 mag, Ks>~20.8 mag (point sources), and S332MHz<6.1 mJy arcmin-2, S1.4GHz<6.2 mJy arcmin-2 (extended emission). Given the very high extinction, the STIS and J-band nondetections are not constraining, but the Ks-band limit rules out basic accretion disk models for SGR 1900+14 and is almost comparable in depth to the Ks-band detection for the anomalous X-ray pulsar 4U 0142+61. Finally, we report the detection in this field of three new candidate supernova remnants, SNRs G043.5+00.6, G042.0-00.1, and G041.5+00.4.
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