2006ApJ...644L.185R

Query : 2006ApJ...644L.185R

2006ApJ...644L.185R - Astrophys. J., 644, L185-L188 (2006/June-3)

Molecular hydrogen fluorescence in the Eridanus superbubble.

RYU K., MIN K.-W., PARK J.-W., LEE D.-H., HAN W., NAM U.-W., PARK J.-H., EDELSTEIN J., KORPELA E.J., NISHIKIDA K. and VAN DISHOECK E.F.

Abstract (from CDS):

The first far-ultraviolet (1350-1750 Å) spectral imaging observations of the Eridanus superbubble, obtained with the SPEAR/FIMS mission, have revealed distinct fluorescent emission from molecular hydrogen. Here we compare the observed emission features with those from a photodissociation region model with assumed illuminating stellar fields. The result shows rather high line ratios I1580/I1610, which may imply the existence of high-temperature molecular clouds in the region. The H2fluorescence intensity shows a proportional correlation with Hα emission, indicating that the fluorescence and the recombination emission have similar physical origins.

Abstract Copyright: ∼

Journal keyword(s): ISM: Molecules - ISM: Supernova Remnants - Ultraviolet: ISM

CDS comments: Fig. 1 : Subregions 1-6 in Eridanus region are not in SIMBAD

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Eridanus Shell sh 02 17 31 +07 49.6           ~ 52 0
2 [BDM2001] Arc B ISM 03 19 -06.8           ~ 7 0
3 [BDM2001] Arc A ISM 04 02 +03.2           ~ 7 0
4 NAME Barnard's Loop HII 05 27.5 -03 58           ~ 131 1
5 * lam Ori ** 05 35 08.27761 +09 56 02.9611 2.45 3.48 3.66 3.72 3.89 O8IIIf+B0.5V 327 0
6 NAME Ori I As* 05 38 -02.8           ~ 653 0

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