SUMMARY OF PROPOSAL 71027
UNIVERSITY OF TOKYO
7-3-1 HONGO
BUNKYOU-KU
TOKYO JAPAN 113-0033
Tel: 03-3812-2111 EX.4173 Fax: 03-3812-6938
Medium: 4GBDAT
Subject: CATACLYSMIC VARIABLES
VERIFICATION OF THE BEAMING EFFECT OF FE LINE BY RESONANCE SCATTERING WITH MCVS
ABSTRACT
AX J1842.8-0423 and RXJ1802.1+1804, observed with ASCA in 1996, exhibit a strong Fe-K line with an extremely large equivalent width 4000 eV .These objects are thought to be magnetic white dwarf binary, so called Polar(or AM Herculis object). The accretion column of a magnetized white dwarf is usually quite opaque to resonance scattering for Fe-K line.So, we consider, in some extraordinary condition, Fe-K line photon will be collimated strongly by resonance scattering.Our proposal is to observe Polars with pole-on inclination angle, and to test this beaming effect of Fe line.
CO-INVESTIGATORS
CO-I NAME | INSTITUTE | COUNTRY |
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KAZUO MAKISHIMA | UNIVERSITY OF TOKYO | JAPAN |
KEIICHI MATSUZAKI | UNIVERSITY OF TOKYO | JAPAN |
MANABU ISHIDA | ISAS | JAPAN |
TARGETS
TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
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1)RX J1015.5+0904 | A | 153.8946 | 9.0786 | 50 ks | N | N | P | 0.50000 | 1 |
2)1E1048.5+5421 | A | 162.8975 | 54.0753 | 50 ks | N | N | P | 0.02000 | 1 |