The 12CO/13CO ratio in AGB stars of different chemical type - Connection to the 12C/13C ratio and the evolution along the AGB

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Volume 566 (June 2014)

A&A, 566 (2014) A145

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Table A.6

¹³CO observations used to constrain the ¹²CO/¹³CO ratio.

Source	Code	D	θ	T _mb	I _obs	Ref.
		[pc]	[′′]	[K]	[K km s^-1]

S-type stars:
χ Cyg	O10	180	33	0.07	0.8	R&O14
	I10		21	0.1	1.0	Wetal11
	I21		11	0.3	3.8	Wetal11
	J32		21	–	4.7	Detal10
R Gem	J21	650	22	0.08	0.6	R&O14
ST Her	I10	290	21	0.01	0.15	Wetal11
	I21		11	0.04	0.6	Wetal11
Y Lyn	I10	250	21	0.02	0.3	Wetal11
	I21		11	0.06	0.8	Wetal11
	J21		22	0.04	0.7	R&O14
S Lyr	J21	2000	22	0.04	0.6	R&O14
RT Sco	A21	400	28	0.06	0.6	R&O14
T Sgr	I10	700	21	-	<0.2	Wetal11
	I21		11	–	<0.5	Wetal11
DK Vul	J21		22	0.05	0.2	R&O14
EP Vul	J21		22	0.03	0.3	R&O14
Carbon stars:
LP And	O10	630	33	0.16	3.6	R&O14
	J21		22	0.43	10.2	R&O14
	J32		15	–	10.0	S&O00
V Aql	S10	362	45	–	<0.23	S&O00
	S21		24	–	<0.28	S&O00
RV Aqr	S10	550	45	0.02	0.6	S&O00
UU Aur	O10	240	33	0.02	0.17	S&O00
X Cnc	S10	342	45	–	<0.28	S&O00
	S21		24	–	<0.27	S&O00
Y CVn	N10	321	55	–	1.0	S&O00
	O10		33	0.26	3.4	S&O00
	J32		15	–	7.9	S&O00
V Cyg	O10	366	33	0.10	2.3	S&O00
	J32		15	–	6.7	S&O00
RY Dra	J32	431	15	–	5.8	S&O00
UX Dra	O10	386	33	0.02	0.14	S&O00
U Hya	S10	208	45	0.02	0.2	S&O00
	S21		24	0.09	0.8	S&O00
CW Leo	N10	321	55	–	16.9	S&O00
	S10		45	1.44	24.3	S&O00
	O10		33	1.5	22.1	R&O14
	S21		24	–	64.9	S&O00
	J21		22	5.0	91.7	R&O14
	A21		28	4.8	91.6	R&O14
	J32		15	–	157.3	S&O00
R Lep	S10	432	45	–	<0.2	S&O00
	S21		24	0.02	0.5	S&O00
RW LMi	N10	400	55	–	2.4	S&O00
	O10		33	0.2	3.5	R&O14
	J21		22	0.6	13.7	R&O14
	J32		15	–	13.8	S&O00
T Lyr	J32	719	15	–	1.8	S&O00
W Ori	S10	377	45	–	<0.18	S&O00
	S21		24	–	<0.25	S&O00
V384 Per	O10	600	33	0.05	1.3	R&O14
	J21		22	0.2	4.6	R&O14
	J32		15	–	4.4	S&O00
AQ Sgr	S10	333	45	–	<0.12	S&O00
	S21		23	–	<0.27	S&O00
AFGL 3068	O10	1300	33	0.12	3.3	R&O14
	J21		22	0.55	12.8	R&O14
	A21		28	0.6	13.2	R&O14
	A32		19	0.6	14.2	R&O14
IRAS15194-5115	S10	500	45	–	14.1	S&O00
	S21		24	–	30.5	S&O00

Reference. R&O14-This work; Wetal11-Wallerstein et al. (2011); S&O00-Schöier & Olofsson (2000).

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