Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...543l.153r&link_type=abstract
The Astrophysical Journal, Volume 543, Issue 2, pp. L153-L155.
Astronomy and Astrophysics
Astronomy
8
Ism: Individual: Name: Crab Nebula, Ism: Individual: Alphanumeric: Rx J0852.0-4622, Ism: Supernova Remnants, X-Rays: Ism
Scientific paper
A remarkable filamentary nebula (RCW 37) in the close vicinity of the newly discovered X-ray-emitting supernova remnant in Vela (RX J0852.0-4622) is investigated. This supernova explosion is arguably the nearest in recent history. A comparison is made between deep United Kingdom Schmidt Telescope optical images of the region and the ROSAT X-ray data in which the remnant was discovered. This reveals that RCW 37 is most likely directly associated with an X-ray projection from RX J0852.0-4622. This interpretation is strengthened by new long-slit echelle spectrometry of the edge of RCW 37 in the light of [S II] λ6716. A systematic increase in the velocity splitting of the line profiles, from the nebular edge toward its center, of >~100 km s-1 is found. The structure bears morphological and kinematical similarities to the famous Crab Nebula funnel.
Bryce Myfanwy
Holloway A. J.
Meaburn John
O'Connor Anthony J.
Redman Matt P.
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