SUMMARY OF PROPOSAL 52082
M.I.T.
77 MASSACHUSETTS AVE. #37-627
CAMBRIDGE
MA USA 02139
Tel: (617)253-4282 Fax: (617)253-0861
Medium: 2GBDAT
Subject: SUPERNOVA REMNANTS AND GALACTIC DIFFUSE EMISSION
OBSERVATIONS OF SN1995N
ABSTRACT
Three days ago (Aug 2), SN1995N was detected for the first time in X-rays with the ROSAT satellite's HRI (Lewin, Zimmermann & Aschenbach, IAUC submitted Aug 5), making it only the seventh supernova to be detected in the X-ray band. As a logical consequence, we propose observations of SN1995N with ASCA's superior energy resolution and sensitivity at higher energies. Such observations may allow us to determine the neutral hydrogen absorption column density of the front and reverse shocks and thus the thickness of the radiatively cooled layer between them, providing important information on the progenitor's circumstellar environment. Coordinated observations at radio wavelengths with the VLA are underway.
CO-INVESTIGATORS
| CO-I NAME | INSTITUTE | COUNTRY |
|---|
| D. FOX | MIT | USA |
| R. RUTLEDGE | MIT | USA |
| H.U. ZIMMERMANN | MPE | GERMANY |
| B. ASCHENBACH | MPE | GERMANY |
| S. VAN DYK | BERKELEY | USA |
| K. WEILER | NRL | USA |
| H. INOUE | ISAS | JAPAN |
| S. UNO | ISAS | JAPAN |
TARGETS
| TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
|---|
| 1)SN1995N | 3 | 222.3679 | -10.1706 | 100 ks | N | Y | P | 0.00250 | 2 |
TARGET 1
50 KSEC DURING JAN 22 - FEB 21, 1997 \\ 50 KSEC DURING JULY 15 - AUG 15, 1997