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VLA radio continuum and IRAS observing of the ring nebulae around W 101 and W 113
(IOP Publishing, 2002-06)
We report radio continuum observations at 1465 MHz obtained with the Very Large Array (VLA) in the DnC configuration toward the ring nebulae associated with the stars WR 101 and WR 113, with resolutions of 3800 and 3000, ...
Ring nebula - Messier 57
(Nasa, 2011)
Ring nebula - Messier 57
(Nasa, 2016)
Unveiling the molecular environment of the ring nebula RCW 78
(2009)
Aims. We present a study of the ionized, neutral atomic, and molecular gas associated with the ring nebula RCW 78 around the WR star HD 117688 (=WR 55) with the aim of analyzing the distribution of the associated gas and ...
HI bubbles surrounding southern optical ring nebulae: Anon(WR 23) and RCW 52
(EDP Sciences, 2005-12)
We analyze the interstellar medium in the environs of two hot and massive stars, HD 92809 (= WR 23, WC6) and LSS 1887 (O8V), which ionize the optical ring nebulae Anon(WR 23) and RCW 52, respectively. Our analysis is based ...
A multiwavelength study of the ring nebula SG 13
(Wiley Blackwell Publishing, Inc, 2009-05)
We investigate the morphology and kinematics of the interstellar medium in the environs of the open cluster Mrk 50, which includes the Wolf–Rayet star WR 157 and a number of early B-type stars. The analysis was performed ...