Table 4: Equivalent widths of molecules found in carbon-rich stars. Date ( ddmmyy) shows the observing date of ISAAC or ISO/SWS, which is different from that of photometric observations.
Name Date $\phi _{\rm opt}$ $\mbox{$EW_{3.1}$ }$ $\mbox{$EW_{3.5}$ }$ $\mbox{$EW_{3.8}$ }$ H K

( $\times10^{-2}$ ) ( $\times10^{-2}$ )

[Å] [Å] [Å] [mag] [mag]

LMC

IRAS 04286-6937 14-12-01 7.00 $\pm$ 0.08 -2.10 $\pm$ 0.87 3.626 $\pm$ 0.003 13.00 $\pm$ 0.05 11.25 $\pm$ 0.05

IRAS 04496-6958 12-12-01 12.26 $\pm$ 0.02 7.82 $\pm$ 0.63 7.167 $\pm$ 0.005 10.90 $\pm$ 0.05 9.50 $\pm$ 0.04

IRAS 04539-6821 13-12-01 6.55 $\pm$ 0.03 1.37 $\pm$ 0.48 1.803 $\pm$ 0.002 14.30 $\pm$ 0.05 11.80 $\pm$ 0.04

IRAS 04557-6753 13-12-01 10.84 $\pm$ 0.03 1.08 $\pm$ 0.42 5.556 $\pm$ 0.002 14.60 $\pm$ 0.05 12.40 $\pm$ 0.04

IRAS 05112-6755 15-12-01 8.37 $\pm$ 0.04 -0.01 $\pm$ 0.69 2.500 $\pm$ 0.004 14.70 $\pm$ 0.10 12.00 $\pm$ 0.05

SHV 0521050-69-04-15 15-12-01 13.12 $\pm$ 0.06 12.87 $\pm$ 1.22 1.068 $\pm$ 0.009 9.77 $\pm$ 0.02 9.23 $\pm$ 0.02

LI-LMC 1813 13-12-01 11.10 $\pm$ 0.18 14.05 $\pm$ 0.22 2.065 $\pm$ 0.005

SMC

SMC-S30 24-07-02 14.58 $\pm$ 0.00 -0.79 $\pm$ 0.16 5.944 $\pm$ 0.001 13.48 $\pm$ 0.03 11.42 $\pm$ 0.03⁴

SgrD

Sgr-C3 24-07-02 6.96 $\pm$ 0.01 1.29 $\pm$ 0.28 0.033 $\pm$ 0.002 10.02 9.44⁵

Sgr-UKST3 24-07-02 7.94 $\pm$ 0.02 1.83 $\pm$ 0.36 0.017 $\pm$ 0.002 10.13 9.51⁵

Sgr-UKST15 24-07-02 2.54 $\pm$ 0.01 0.74 $\pm$ 0.38 1.360 $\pm$ 0.002 10.08 9.65⁵

Galactic carbon-rich stars

LP And 02-12-96 3.44 3.85 -0.46 6.355 $\pm$ 0.018⁷ 3.859 $\pm$ 0.036^7,*

VX And 17-01-97 12.42 -0.21 0.07 1.891 $\pm$ 0.202 1.193 $\pm$ 0.202⁷

V Aql 29-04-96 8.71 1.10 0.48 0.64 -0.09

WZ Cas 22-07-96 10.84 9.85 -0.37 1.01 0.57³

S Cep 31-05-97 6.44 3.60 2.07 1.013 $\pm$ 0.186 -0.029 $\pm$ 0.192⁷

V CrB 07-03-96 0.20 8.75 10.37 3.08 2.209 $\pm$ 0.218 1.321 $\pm$ 0.276⁷

29-07-96 0.17 8.56 9.90 3.07

11-01-97 0.64 7.77 6.28 2.00

06-03-97 0.19 5.16 2.01 0.35

12-06-97 0.78 7.32 4.12 1.45

21-09-97 0.32 8.88 9.22 2.18

Y CVn 25-04-96 8.77 1.13 -0.285 $\pm$ 0.166 -0.738 $\pm$ 0.166⁷

V Cyg 05-02-96 0.52 9.26 10.05 3.44 1.273 $\pm$ 0.198 0.117 $\pm$ 0.192⁷

V460 Cyg 11-01-97 4.66 1.14 0.583 $\pm$ 0.192 0.270 $\pm$ 0.184⁷

29-11-97 3.02 1.00

RY Dra 12-05-97 7.74 1.38 0.72 0.955 $\pm$ 0.214 0.394 $\pm$ 0.204⁷

T Dra 07-03-96 0.59 7.29 12.86 4.33 2.454 $\pm$ 0.192 1.365 $\pm$ 0.212⁷

21-07-96 0.93 7.81 8.21 3.09

28-10-96 0.17 6.98 6.78 2.27

04-12-96 0.25 7.51 11.69 3.74

18-01-97 0.36 5.67 4.68 1.64

26-01-97 0.38 6.15 4.46 1.81

15-05-97 0.64 7.77 7.88 2.89

21-08-97 0.86 5.65 8.87 2.80

R For 13-02-98 6.83 0.91 1.85 2.537 $\pm$ 0.206 1.349 $\pm$ 0.274⁷

CW Leo 31-05-96 1.81 1.05 -0.33 4.25 1.28²

W Ori 22-03-98 4.90 0.01 0.26 0.092 $\pm$ 0.338 -0.470 $\pm$ 0.402⁷

RZ Peg 10-06-96 9.08 13.15 1.98 2.850 $\pm$ 0.214 2.127 $\pm$ 0.302⁷

TX Psc 26-11-96 5.34 2.35 0.87 -0.33 -0.67³

R Scl 28-11-96 0.28 13.47 6.92 2.09 0.75 -0.07²

S Sct 29-04-96 9.06 4.18 2.06 1.06 0.44³

SZ Sgr 28-03-98 3.72 1.19 2.623 $\pm$ 0.216 2.168 $\pm$ 0.234⁷

TU Tau 18-03-98 4.78 1.67 1.16 2.093 $\pm$ 0.210 1.574 $\pm$ 0.220⁷

RU Vir 20-07-96 4.86 6.88 1.50 2.50 1.33³

SS Vir 14-06-96 14.80 6.80 3.80 1.811 $\pm$ 0.234 0.831 $\pm$ 0.330⁷

AFGL 940 04-04-98 1.75 2.32 -0.16 6.269 $\pm$ 0.013 4.391 $\pm$ 0.011⁷

AFGL 2155 01-03-97 3.38 3.05 0.51 8.722 $\pm$ 0.038 5.609 $\pm$ 0.018⁷

AFGL 2392 22-03-98 4.87 7.32 0.34 5.24 3.65²

CS 2178 25-01-97 7.52 2.05 4.158 $\pm$ 0.172 2.798 $\pm$ 0.234⁷

CS 2429 20-02-97 6.18 0.19 1.699 $\pm$ 0.342 1.007 $\pm$ 0.346⁷

DO 40123 15-01-97 11.74 8.69 3.35 1.867 $\pm$ 0.182 0.913 $\pm$ 0.192⁷

IRC-10095 01-04-98 13.94 1.23 2.84 3.235 $\pm$ 0.206 2.241 $\pm$ 0.248⁷

IRC-10122 31-03-98 6.01 2.07 1.25 3.851 $\pm$ 0.248 2.399 $\pm$ 0.272⁷

IRC+00365 29-03-97 7.17 4.49 1.69 4.100 $\pm$ 0.182 2.209 $\pm$ 0.242⁷

IRC+50096 02-02-98 5.22 5.15 1.69 2.596 $\pm$ 0.192 1.150 $\pm$ 0.192⁷

IRAS 19068+0544 09-03-97 6.06 2.51 4.685 $\pm$ 0.075 3.080 $\pm$ 0.254⁷

1: Gezari et al. (1993); 2: Le Bertre (1992) (average over the all phase); 3: Noguchi et al. (1981); 4: Groenewegen & Blommaert (1998); 5: Whitelock et al. (1996); 6: Trams et al. (1999b); 7: 2MASS; ^*: 2MASS quality flag is "E'', i.e., poor quality.

**Table 4:** Equivalent widths of molecules found in carbon-rich stars. Date ( *ddmmyy*) shows the observing date of ISAAC or ISO/SWS, which is different from that of photometric observations.
Name	Date	$\phi _{\rm opt}$	$\mbox{$EW_{3.1}$ }$	$\mbox{$EW_{3.5}$ }$	$\mbox{$EW_{3.8}$ }$	H	K
			( $\times10^{-2}$ )		( $\times10^{-2}$ )
			[Å]	[Å]	[Å]	[mag]	[mag]
LMC
IRAS 04286-6937	14-12-01		7.00 $\pm$ 0.08	-2.10 $\pm$ 0.87	3.626 $\pm$ 0.003	13.00 $\pm$ 0.05	11.25 $\pm$ 0.05
IRAS 04496-6958	12-12-01		12.26 $\pm$ 0.02	7.82 $\pm$ 0.63	7.167 $\pm$ 0.005	10.90 $\pm$ 0.05	9.50 $\pm$ 0.04
IRAS 04539-6821	13-12-01		6.55 $\pm$ 0.03	1.37 $\pm$ 0.48	1.803 $\pm$ 0.002	14.30 $\pm$ 0.05	11.80 $\pm$ 0.04
IRAS 04557-6753	13-12-01		10.84 $\pm$ 0.03	1.08 $\pm$ 0.42	5.556 $\pm$ 0.002	14.60 $\pm$ 0.05	12.40 $\pm$ 0.04
IRAS 05112-6755	15-12-01		8.37 $\pm$ 0.04	-0.01 $\pm$ 0.69	2.500 $\pm$ 0.004	14.70 $\pm$ 0.10	12.00 $\pm$ 0.05
SHV 0521050-69-04-15	15-12-01		13.12 $\pm$ 0.06	12.87 $\pm$ 1.22	1.068 $\pm$ 0.009	9.77 $\pm$ 0.02	9.23 $\pm$ 0.02
LI-LMC 1813	13-12-01		11.10 $\pm$ 0.18	14.05 $\pm$ 0.22	2.065 $\pm$ 0.005
SMC
SMC-S30	24-07-02		14.58 $\pm$ 0.00	-0.79 $\pm$ 0.16	5.944 $\pm$ 0.001	13.48 $\pm$ 0.03	11.42 $\pm$ 0.03⁴
SgrD
Sgr-C3	24-07-02		6.96 $\pm$ 0.01	1.29 $\pm$ 0.28	0.033 $\pm$ 0.002	10.02	9.44⁵
Sgr-UKST3	24-07-02		7.94 $\pm$ 0.02	1.83 $\pm$ 0.36	0.017 $\pm$ 0.002	10.13	9.51⁵
Sgr-UKST15	24-07-02		2.54 $\pm$ 0.01	0.74 $\pm$ 0.38	1.360 $\pm$ 0.002	10.08	9.65⁵
Galactic carbon-rich stars
LP And	02-12-96		3.44	3.85	-0.46	6.355 $\pm$ 0.018⁷	3.859 $\pm$ 0.036^7,*
VX And	17-01-97		12.42	-0.21	0.07	1.891 $\pm$ 0.202	1.193 $\pm$ 0.202⁷
V Aql	29-04-96		8.71	1.10	0.48	0.64	-0.09
WZ Cas	22-07-96		10.84	9.85	-0.37	1.01	0.57³
S Cep	31-05-97		6.44	3.60	2.07	1.013 $\pm$ 0.186	-0.029 $\pm$ 0.192⁷
V CrB	07-03-96	0.20	8.75	10.37	3.08	2.209 $\pm$ 0.218	1.321 $\pm$ 0.276⁷
	29-07-96	0.17	8.56	9.90	3.07
	11-01-97	0.64	7.77	6.28	2.00
	06-03-97	0.19	5.16	2.01	0.35
	12-06-97	0.78	7.32	4.12	1.45
	21-09-97	0.32	8.88	9.22	2.18
Y CVn	25-04-96		8.77		1.13	-0.285 $\pm$ 0.166	-0.738 $\pm$ 0.166⁷
V Cyg	05-02-96	0.52	9.26	10.05	3.44	1.273 $\pm$ 0.198	0.117 $\pm$ 0.192⁷
V460 Cyg	11-01-97		4.66		1.14	0.583 $\pm$ 0.192	0.270 $\pm$ 0.184⁷
	29-11-97		3.02		1.00
RY Dra	12-05-97		7.74	1.38	0.72	0.955 $\pm$ 0.214	0.394 $\pm$ 0.204⁷
T Dra	07-03-96	0.59	7.29	12.86	4.33	2.454 $\pm$ 0.192	1.365 $\pm$ 0.212⁷
	21-07-96	0.93	7.81	8.21	3.09
	28-10-96	0.17	6.98	6.78	2.27
	04-12-96	0.25	7.51	11.69	3.74
	18-01-97	0.36	5.67	4.68	1.64
	26-01-97	0.38	6.15	4.46	1.81
	15-05-97	0.64	7.77	7.88	2.89
	21-08-97	0.86	5.65	8.87	2.80
R For	13-02-98		6.83	0.91	1.85	2.537 $\pm$ 0.206	1.349 $\pm$ 0.274⁷
CW Leo	31-05-96		1.81	1.05	-0.33	4.25	1.28²
W Ori	22-03-98		4.90	0.01	0.26	0.092 $\pm$ 0.338	-0.470 $\pm$ 0.402⁷
RZ Peg	10-06-96		9.08	13.15	1.98	2.850 $\pm$ 0.214	2.127 $\pm$ 0.302⁷
TX Psc	26-11-96		5.34	2.35	0.87	-0.33	-0.67³
R Scl	28-11-96	0.28	13.47	6.92	2.09	0.75	-0.07²
S Sct	29-04-96		9.06	4.18	2.06	1.06	0.44³
SZ Sgr	28-03-98		3.72		1.19	2.623 $\pm$ 0.216	2.168 $\pm$ 0.234⁷
TU Tau	18-03-98		4.78	1.67	1.16	2.093 $\pm$ 0.210	1.574 $\pm$ 0.220⁷
RU Vir	20-07-96		4.86	6.88	1.50	2.50	1.33³
SS Vir	14-06-96		14.80	6.80	3.80	1.811 $\pm$ 0.234	0.831 $\pm$ 0.330⁷
AFGL 940	04-04-98		1.75	2.32	-0.16	6.269 $\pm$ 0.013	4.391 $\pm$ 0.011⁷
AFGL 2155	01-03-97		3.38	3.05	0.51	8.722 $\pm$ 0.038	5.609 $\pm$ 0.018⁷
AFGL 2392	22-03-98		4.87	7.32	0.34	5.24	3.65²
CS 2178	25-01-97		7.52		2.05	4.158 $\pm$ 0.172	2.798 $\pm$ 0.234⁷
CS 2429	20-02-97		6.18		0.19	1.699 $\pm$ 0.342	1.007 $\pm$ 0.346⁷
DO 40123	15-01-97		11.74	8.69	3.35	1.867 $\pm$ 0.182	0.913 $\pm$ 0.192⁷
IRC-10095	01-04-98		13.94	1.23	2.84	3.235 $\pm$ 0.206	2.241 $\pm$ 0.248⁷
IRC-10122	31-03-98		6.01	2.07	1.25	3.851 $\pm$ 0.248	2.399 $\pm$ 0.272⁷
IRC+00365	29-03-97		7.17	4.49	1.69	4.100 $\pm$ 0.182	2.209 $\pm$ 0.242⁷
IRC+50096	02-02-98		5.22	5.15	1.69	2.596 $\pm$ 0.192	1.150 $\pm$ 0.192⁷
IRAS 19068+0544	09-03-97		6.06		2.51	4.685 $\pm$ 0.075	3.080 $\pm$ 0.254⁷

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Spectra of oxygen-rich stars
	4 Spectra of carbon-rich stars
	5 Discussion
	6 Conclusion
	References