2000ApJ...530..800P

Query : 2000ApJ...530..800P

2000ApJ...530..800P - Astrophys. J., 530, 800-805 (2000/February-3)

Identification of new methanol lines toward Sagittarius B2.

PEI C.C., LIU S.-Y. and SNYDER L.E.

Abstract (from CDS):

The first astronomical measurements of the Jk=182-181, 192-191, and 202-201 E transitions of methanol (CH3OH) are presented. A rotational temperature Trot=170(13) K was determined for the Sgr B2N-LMH core by combining the data from the Jk=132-131 and 172-171 E transitions. The total column density of CH3OH is NT(CH3OH)=4.2(6)x1017 cm–2, and the fractional abundance of CH3OH is X(CH3OH)~4x10–8. The H59α recombination line and a new unidentified line were detected.

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Journal keyword(s): Galaxy: Center - ISM: Abundances - ISM: individual (Sagittarius B2) - ISM: Molecules - Line: Identification

Simbad objects: 5

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Number of rows : 5
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 Sgr B2 (North) Rad 17 47 20.2 -28 22 21           ~ 742 1
2 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 2443 1
3 NAME Large Molecule Heimat MoC 17 47 20.4943 -28 22 11.656           ~ 127 0
4 NAME Sgr B2 Main Rad 17 47 20.5 -28 23 06           ~ 436 1
5 RAFGL 2271 SFR 18 53 18.54 +01 14 57.9           ~ 537 0

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