2002A&A...381..491S

Query : 2002A&A...381..491S

2002A&A...381..491S - Astronomy and Astrophysics, volume 381491-499 (2002/1-2)

Nature of OH maser and SiO thermal emission towards carbon star: IRAS 05373-0810 (V1187 Ori).

SZCZERBA R., CHEN P.S., SZYMCZAK M. and OMONT A.

Abstract (from CDS):

We present observational evidence that IRAS05373-0810 is a genuine carbon star with an ISO SWS spectrum closely resembling that of RScl. Modelling of the spectral energy distribution of IRAS05373-0810 suggests that the star has luminosity of order of 8000 L☉ and loses mass at a rate of about 2-3x10–7M☉/yr. The detected OH maser emission at 1612, 1665 and 1667MHz and SiO thermal emission at 86.85GHz towards IRAS 05373-0810 is not associated with this source. The available observations imply that these lines, typical for O-rich sources, come from the molecular cloud L1641 in the Orion star forming region (OH) and, very likely, from the NGC 2149 molecular complex (SiO).

Abstract Copyright: ∼

Journal keyword(s): stars: AGB and post-AGB, carbon, individual: IRAS 05373-0810 - ISM: dust, extinction

Simbad objects: 15

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Number of rows : 15
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 V* R Scl C* 01 26 58.0939182720 -32 32 35.439234828 17.26 9.59 5.72 3.69 2.30 C-N5+ 354 0
2 IRAS 04496-6958 C* 04 49 18.4933717920 -69 53 14.430196680 20.060 20.027 18.791   15.060 C 50 0
3 LDN 1641 MoC 05 39.0 -07 00           ~ 502 0
4 V* V1187 Ori C* 05 39 42.6258029448 -08 09 08.616635532     12 10.18   C 40 0
5 IRAS 05379-0815 * 05 40 19.8 -08 14 08           K7 15 0
6 IRAS F05379-0758 mul 05 40 20.5 -07 56 32           ~ 17 0
7 V* V1304 Ori Or* 05 40 24.9707364336 -08 07 33.144257280   15 13.886   12.101 K0 48 0
8 IRAS 05381-0817 LP? 05 40 36.8723383752 -08 16 05.529638568           ~ 5 0
9 V* V1791 Ori Or* 05 40 37.3589032680 -08 04 03.013089456     11.55   11.822 F 43 0
10 NGC 2149 RNe 06 03 28.1 -09 43 57           ~ 34 0
11 IRAS 08304-4313 C* 08 32 09.91536 -43 23 33.5976           C-rich 16 1
12 IRAS 09425-6040 C* 09 44 01.6707336168 -60 54 25.639144812     12.6 11.81   C 61 0
13 IRAS 17371-3021 C* 17 40 20.85840 -30 22 57.6371           C-rich 25 1
14 RAFGL 2287 mul 18 57 36.5 +03 27 24           ~ 25 0
15 USNO-A2.0 0750-01509344 * ~ ~           ~ 1 0

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