1998AJ....115..809S

Query : 1998AJ....115..809S

1998AJ....115..809S - Astron. J., 115, 809-820 (1998/February-0)

The carbon-rich dust sequence: infrared spectral classification of carbon stars.

SLOAN G.C., LITTLE-MARENIN I.R. and PRICE S.D.

Abstract (from CDS):

We have developed a classification system for the infrared spectral emission from carbon stars, using a sample of 96 bright carbon-rich variables associated with the asymptotic giant branch. In addition to the stellar contribution, most spectra include the 11.2 µm emission feature from SiC and either a smooth, cool continuum from amorphous carbon or a secondary emission feature at 9.0 µm. We have identified a carbon-rich dust sequence along which the amorphous carbon component grows while the 9.0 µm feature declines in strength. Along this spectral sequence, the proportion of Mira variables increases, as does the period of variability, the mass-loss rate, and the thickness of the circumstellar shell. Thus the carbon-rich dust sequence appears to be an evolutionary sequence. One class of spectra shows a particularly strong 9.0 µm feature, enhanced C/O ratio, and several other unusual properties that suggest a different sequence, perhaps related to J stars.

Abstract Copyright: ∼

Journal keyword(s): Infrared Radiation - Stars: Carbon

Simbad objects: 96

goto Full paper

goto View the references in ADS

Number of rows : 96
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* WZ Cas C* 00 01 15.8567946264 +60 21 19.025920224 8.77 9.47 7.13     C-N7III: 321 0
2 V* OR Cep C* 00 06 14.2452430608 +70 04 02.214303420   14.11 10.93     C 31 0
3 V* VX And C* 00 19 54.0161311920 +44 42 33.895984824   12.23 7.80     C-J4.5 165 0
4 V* HV Cas C* 01 11 03.4682297496 +53 43 40.246817376     12.90 9.79   C4,3e 89 0
5 V* Z Psc C* 01 16 05.0304050160 +25 46 09.689905056 12.85 9.46 6.84     C-N5 184 0
6 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
7 V* R For C* 02 29 15.3077617632 -26 05 55.646585700   12.94 7.50 8.01   C4,3e 206 0
8 HD 19557 C* 03 11 25.3268651352 +57 54 11.223823500   10.04 8.59 7.86   C-J4 101 0
9 V* TW Hor C* 03 12 33.1599109680 -57 19 17.577229512   7.93 5.71 3.78 2.40 C-N5IIIb: 143 0
10 LEE 259 C* 03 26 29.5037418864 +47 31 48.551540844       10.70   N 180 0
11 V* U Cam C* 03 41 48.1758504744 +62 38 54.395692404   11.5 11.00     C-N5 254 0
12 IRC +40070 C* 03 52 14.3530320888 +39 52 50.760776172       12.15   C-rich 52 0
13 V* GI Per C* 04 29 43.2528025272 +39 52 01.962062904   12.97 8.92 8.04   C7,4 43 1
14 V* V718 Tau C* 04 31 21.9261058152 +17 39 10.271698668     11.62     C2:e 44 0
15 V* ST Cam C* 04 51 13.3487495016 +68 10 07.637629620   9.77 9.20     C-N5 152 0
16 V* TT Tau C* 04 51 31.2645256728 +28 31 36.866648748   11.0 10.20     C-N5+ 101 0
17 V* R Lep C* 04 59 36.3486921120 -14 48 22.502479140 15.06 13.51 7.76 4.90 3.42 C7,6e 360 0
18 HD 32088 C* 05 03 23.0461903728 +50 37 58.087497252   12.13 8.57     C-N5- 68 1
19 V* W Ori C* 05 05 23.7190712856 +01 10 39.454639032 16.36 9.52 6.10 3.83 2.35 C-N5 300 0
20 V* V431 Ori C* 05 15 57.7328743968 +11 58 40.007848836   15.18 9.90 8.89   C5,5 52 1
21 V* DY Aur C* 05 18 18.9529087992 +35 14 59.738428068       10.86   C 32 0
22 V* UV Aur C* 05 21 48.9129714624 +32 30 40.177664388   12.46 10.41 9.15   C8,1Je 223 0
23 V* W Pic C* 05 43 13.8305960304 -46 27 13.825873188   12.52 11.80     C-J5 73 0
24 V* TU Tau C* 05 45 13.7252280696 +24 25 12.448555140 12.69 11.33 8.46     C-N4+ 127 0
25 V* Y Tau C* 05 45 39.4101366456 +20 41 42.148590324 15.71 9.90 6.90 4.69 3.19 C-N5- 230 1
26 V* AZ Aur C* 06 01 07.2278104488 +39 40 14.199522420   13.20 10.50 8.69   C8,2e 71 0
27 V* TU Gem C* 06 10 53.1027504240 +26 00 53.311175640   10.688 8.694 7.400   C-N5+ 124 0
28 V* V636 Mon C* 06 25 01.4305200360 -09 07 15.963301164       11.78 8.83 C-N5 59 0
29 V* BL Ori C* 06 25 28.1742350712 +14 43 19.172149392 11.64 8.31 6.00 4.28 2.98 C-N5- 203 0
30 V* CR Gem C* 06 34 23.9161338864 +16 04 30.317377620   12.37 8.67     C-N5 79 0
31 V* UU Aur C* 06 36 32.8371036984 +38 26 43.819021608   7.89 5.25 3.31 1.90 C-N5- 314 1
32 V* GP CMa C* 06 52 45.9207084576 -12 09 54.721451808     10.71 11.53   C-N6 34 0
33 V* NP Pup C* 06 54 26.6835568896 -42 21 56.058521256   8.49 6.27 4.55 3.28 C-N4.5 85 0
34 V* CL Mon C* 06 55 36.6904592496 +06 22 43.179553200   12.69 11.00 9.06   C-J:6 101 0
35 V* RV Mon C* 06 58 21.4892787216 +06 10 01.558277796   10.4 7.47     C4,5 107 1
36 V* R Vol C* 07 05 36.2081474688 -73 00 52.034502960   14.24 8.70     Ce 91 0
37 V* RY Mon C* 07 06 56.4753359184 -07 33 26.505848700   11.94 7.50     C-N5 100 0
38 V* W CMa C* 07 08 03.4360567560 -11 55 23.796162984 13.44 8.98 6.56 4.86 3.51 C-N5 130 0
39 V* BM Gem C* 07 20 59.0073521904 +24 59 58.086063708     11.50     C-J5- 155 1
40 C* 918 C* 07 51 13.5861890184 -02 37 10.897180716     12.5     C 41 0
41 V* RY Hya C* 08 20 06.3208737504 +02 45 56.175135120   12.91 12.20     C-N5+ 68 0
42 V* X Cnc C* 08 55 22.8819374952 +17 13 52.583009880   9.63 6.40 4.29 2.90 C-N4.5 279 1
43 V* T Cnc C* 08 56 40.1375904072 +19 50 56.919947352   12.07 7.60     C-N5 139 1
44 V* IQ Hya C* 09 13 31.8467738832 -23 23 31.462027728   13.70 10.38 10.44   C5,2e 59 0
45 IRC +10216 C* 09 47 57.40632 +13 16 43.5648           C9,5e 2455 0
46 V* RW LMi C* 10 16 02.2777043904 +30 34 19.045098516       15.27   C4,3e 411 0
47 V* CZ Hya C* 10 27 18.0392692104 -25 32 56.305848336   12.44 9.71 10.55   Ce 65 0
48 V* U Ant C* 10 35 12.8510147472 -39 33 45.324020448 15.32 8.22 5.38 3.18 1.86 C-N3 162 0
49 V* U Hya C* 10 37 33.2729535 -13 23 04.352923 13.29 7.51 4.82 3.05 1.78 C-N5 314 0
50 V* TV Car C* 10 38 43.5445577208 -60 49 24.884253048   14.09 9.70     C-N 25 0
51 V* VY UMa C* 10 45 04.0305312384 +67 24 40.979062260 12.91 8.34 5.95 4.20 2.94 C-N5 209 0
52 V* V Hya C* 10 51 37.2615873024 -21 15 00.333928044   12.23 6.80 7.42   C-N:6 391 0
53 V* SS Vir C* 12 25 14.3948245008 +00 46 10.946740368 15.84 10.79 6.60     C-N4.5: 211 1
54 V* Y CVn C* 12 45 07.8260815656 +45 26 24.926308404 14.03 7.41 4.87 3.12 1.74 C-N5 493 0
55 V* RU Vir C* 12 47 18.4090087128 +04 08 41.356415148   14.75 9.00     C8,1e 185 0
56 V* RX Cru C* 12 49 32.4228442296 -61 46 14.372812920   14.24 9.70     C-N:6 29 0
57 V* RY Dra C* 12 56 25.9112361600 +65 59 39.811665876 15.56 9.44 6.34 4.34 2.91 C-N3III: 248 0
58 V* RV Cen C* 13 37 36.0553362120 -56 28 35.057053308 13.59 9.87 7.00     C-N3 75 0
59 V* X TrA C* 15 14 19.1755012584 -70 04 46.113298104 15.88 9.19 5.81     C5,5 130 0
60 V* U Aps C* 15 28 01.0124668248 -75 55 46.554827160   14.81 11.00     C 42 0
61 V* V CrB C* 15 49 31.3121978280 +39 34 17.892629256     6.90 7.23   C6,2e_MS3 275 0
62 V* V Oph C* 16 26 43.7067710136 -12 25 35.816948688   12.91 7.30     C-N:4 154 0
63 V* V617 Sco C* 17 13 41.0980576704 -35 55 21.165808908   13.25 11.26     C 30 0
64 V* TW Oph C* 17 29 43.6639675104 -19 28 22.866171888   12.95 8.79 7.54 8.70 C-N5 126 0
65 V* V Pav C* 17 43 18.9398256336 -57 43 26.289782112   10.11 6.673 7.14 8.88 C6,4 72 0
66 V* T Dra C* 17 56 23.3288487384 +58 13 06.783372804   18.08 7.20 9.39   C6,2e 203 0
67 V* FX Ser C* 18 06 50.2066800624 -09 41 16.576025784     14.80 15.62 11.20 C 74 0
68 MSB 63 C* 18 10 27.9473748912 -26 51 57.916123704     12.30     C7,2 41 0
69 V* ES Ser C* 18 18 21.5107813440 -13 26 19.259427012   12.79 9.15     C5,5 34 0
70 V* T Lyr C* 18 32 20.0767626264 +36 59 55.635218376   12.74 7.84 7.30   C-J4:p 189 1
71 V* S Sct C* 18 50 20.0367791256 -07 54 27.429169356 13.93 9.89 6.80     C-N5 215 0
72 V* V Aql C* 19 04 24.1544971752 -05 41 05.444321424   11.09 6.90     C-N5 222 0
73 V* V1942 Sgr C* 19 19 09.5936050560 -15 54 30.030582960 13.53 9.20 6.86 5.05 3.67 C-N5+ 79 0
74 V* UX Dra C* 19 21 35.5182299784 +76 33 34.557161688   8.81 5.94     C-N5 206 0
75 LEE 130 C* 19 30 14.9353809840 -00 50 09.378024252   14.41 9.54 8.47   C7,2e 54 0
76 V* AQ Sgr C* 19 34 18.9945475487 -16 22 27.048908541 13.85 9.48 6.70     C-N5 124 0
77 V* AX Cyg C* 19 57 12.5066777184 +44 15 40.037709024 12.97 11.28 7.85     C-N5- 92 0
78 V* RT Cap C* 20 17 06.5287791168 -21 19 04.466353512   12.92 8.90     C6,4 135 0
79 V* U Cyg C* 20 19 36.5946317760 +47 53 39.096681828   11.85 5.90 7.09   C9,2e 247 0
80 MSB 38 C* 20 36 07.3864144104 +60 05 26.039264496   13.98 9.86 10.3   C-J4+ 127 0
81 V* V Cyg C* 20 41 18.2676815496 +48 08 28.810980420   14.05 7.70 6.67   C7,4eJ 317 0
82 Case 479 C* 21 05 07.9303118688 +51 48 19.594446372   20.8   14.7   C6,4e 62 0
83 V* RV Aqr C* 21 05 51.7376905368 -00 12 42.121057536     11.5     C6,3e 112 0
84 V* T Ind C* 21 20 09.4835040168 -45 01 18.808630176 12.08 8.33 6.00     C7,2 93 0
85 V* Y Pav C* 21 24 16.7499375384 -69 44 01.960245204 12.63 9.23 6.41     C7,3 89 0
86 Case 484 C* 21 24 40.3081686288 +57 18 45.721152216     14.50 10.92   C 23 0
87 LEE 333 C* 21 26 54.0285859176 +70 13 15.415322592       8.96   N 50 0
88 LEE 228 C* 21 34 07.4785393032 +39 04 15.918662712   16.718 11.899 9.856   C7,2e 121 0
89 V* S Cep C* 21 35 12.8233100592 +78 37 28.185141792   12.13 7.40     C7,3e 272 0
90 Case 655 C* 21 38 31.8244330224 +45 42 46.970296596       11.60   C 35 0
91 Case 657 C* 21 40 12.8080470936 +45 27 17.433057276   14.80 13.03 10.86   C 39 0
92 V* V460 Cyg C* 21 42 01.0830893088 +35 30 36.719916552 12.97 8.32 5.84 4.10 2.71 C-N5 220 1
93 V* RV Cyg C* 21 43 16.3287822384 +38 01 02.979540552   12.01 10.80     C-N5: 137 0
94 LEE 338 C* 21 44 28.7966422416 +73 38 04.892089668   13.27 9.82 8.47   C6-,3e 67 0
95 IRC +40540 C* 23 34 27.5185864392 +43 33 01.323347256     15.12     C8,3.5eJ 184 0
96 * 19 Psc C* 23 46 23.5164473376 +03 29 12.519049272 10.95 7.62 5.02 3.19 1.82 C-N6 462 0

To bookmark this query, right click on this link: simbad:objects in 1998AJ....115..809S and select 'bookmark this link' or equivalent in the popup menu