1996A&A...313..180O

Query : 1996A&A...313..180O

1996A&A...313..180O - Astronomy and Astrophysics, volume 313, 180-190 (1996/9-1)

AGB stars: densities and formation rates obtained from OH/IR stars.

ORTIZ R. and MACIEL W.J.

Abstract (from CDS):

We determine densities and star formation rates of AGB stars from an analysis of OH/IR stars in the solar neighbourhood. The stars are divided into three distinct mass ranges corresponding to the precursors of type I, II and III planetary nebulae, according to the Peimbert classification scheme. The adopted distance scale is based on the period-luminosity relationship by Feast et al. (1989). The formation (or death) rates are calculated using stellar evolution models for AGB stars, and are compared with the corresponding rates for planetary nebulae and white dwarfs. The results indicate that both surface and volume densities of AGB stars are in good agreement with previous determinations in the literature. The formation rates are found to be very sensitive to the evolution time at the AGB, and depend also on the adopted model.

Abstract Copyright: ∼

Journal keyword(s): stars: AGB and post-AGB - stars: evolution - stars: circumstellar matter - ISM: planetary nebulae: general - Galaxy: solar neighbourhood - Galaxy: stellar content

Simbad objects: 78

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Number of rows : 78
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* Y Cas Mi* 00 03 21.4612673616 +55 40 52.028054256     11.99 7.77   M7.5e: 129 0
2 IRC +10011 OH* 01 06 25.9879717848 +12 35 52.896392052   20.7   18.26 14.01 M8 420 0
3 V* R Psc Mi* 01 30 38.3144450088 +02 52 53.836476672   12.40   10.102   M4-8e 92 0
4 * omi Cet Mi* 02 19 20.79210 -02 58 39.4956   7.63 6.53 5.03   M5-9IIIe+DA 1528 0
5 V* R Cet Mi* 02 26 02.3168041392 -00 10 41.813680476   10.5 7.20     M4-5e 141 0
6 V* R Hor Mi* 02 53 52.7701013592 -49 53 22.730520228   9.15 8.14     M5-7e 181 0
7 V* U Ari Mi* 03 11 03.0366056664 +14 48 00.300444804   9.82 7.20     M4.5-7.5e 112 0
8 V* X Men OH* 03 32 29.6297747184 -76 26 55.031558748           M3e 31 0
9 V* IK Tau OH* 03 53 28.8924743304 +11 24 21.895183368 16.99 14.463 16.171 14.101   M7-11 638 0
10 V* U Men OH* 04 09 35.5833357218 -81 51 17.682061033           M3e 61 0
11 V* W Eri Mi* 04 11 31.0247657856 -25 08 02.308262100   10.62 7.50   8.20 M7e 117 1
12 V* R Tau Mi* 04 28 18.0026579160 +10 09 44.795528028   11.64 7.60     M6.5-9e 136 0
13 V* RX Tau Mi* 04 38 14.5677780288 +08 20 09.290730264     9.10     M7e 94 0
14 V* R Cae Mi* 04 40 30.0847911768 -38 14 06.929226636   11.1 6.70     M6e 94 0
15 V* U Dor OH* 05 10 08.8413498888 -64 19 04.255801500   11.86 8.10     M8IIIe 62 0
16 V* S Pic Mi* 05 10 57.2451886368 -48 30 25.453894284   10.46 6.50 9.45   M7e 89 0
17 V* S Ori Mi* 05 29 00.8923286472 -04 41 32.762469480   10.44 7.20     M6.5-7.5e 201 0
18 V* S Col Mi* 05 46 56.3085067296 -31 41 28.366804824   11.98 11.01     M8 71 0
19 V* U Ori Mi* 05 55 49.1707632432 +20 10 30.677904084 6.82 6.39 5.40 6.24   M6-9.5e 488 0
20 V* AP Lyn Mi* 06 34 33.3992529912 +60 56 27.812508252   12.51 11.15 11.90   M7+ 116 0
21 V* GX Mon OH* 06 52 47.0423680104 +08 25 19.097958468   15.40 15.46 10.56   M9 119 0
22 V* VY CMa s*r 07 22 58.3261352189 -25 46 03.194390594 12.01 10.068 8.691 7.938   M5Iae 1103 0
23 V* Z Pup Mi* 07 32 38.0640798624 -20 39 29.219695524   12.48 7.20 9.23   M4e 149 0
24 V* V353 Pup OH* 07 46 34.1475483984 -32 18 16.481453328   11.52 9.25     M5 29 0
25 V* U Pup Mi* 08 00 50.4904071144 -12 50 29.130830520   12.07 10.90     M8e 65 0
26 V* R Cnc Mi* 08 16 33.8267330544 +11 43 34.469101992 10.66 10.17 8.64 4.91 1.95 M6.5-9e 291 2
27 V* X Hya Mi* 09 35 30.2667472344 -14 41 28.610073456   10.02 7.20 9.24   M7-8+e 151 0
28 V* IW Hya OH* 09 45 15.2390936088 -22 01 45.329402244     16     M8/9 111 0
29 V* R LMi OH* 09 45 34.2840467232 +34 30 42.809054724   9.442 8.443 9.024   M6.5-9e 325 0
30 V* R Leo Mi* 09 47 33.4839808805 +11 25 43.823283729 9.22 8.94 7.53 3.39 0.12 M7-9e 912 1
31 V* W Vel Mi* 10 15 14.8298044200 -54 28 41.989481076   12.23 8.30     M9 75 0
32 V* V Ant OH* 10 21 09.1114116744 -34 47 18.744352944   12.592 11.140 9.429   M7IIIe 76 0
33 V* R Crt AB* 11 00 33.8525664720 -18 19 29.582708520   10.33 9.80     M7/8III 211 0
34 IRAS 11525-5057 AB* 11 55 02.7902214936 -51 14 39.981994578   15.470 14.017 13.352   O-rich 11 0
35 V* R Com Mi* 12 04 15.1986066432 +18 46 56.767920564   11.14 7.10 12.55   M5-7e 116 0
36 V* U CVn Mi* 12 47 19.6073883768 +38 22 30.655400808   12.52 11.35 8.28   M7-8e 85 0
37 V* T Com OH* 12 58 38.9096399712 +23 08 21.240833784   13.29 11.40 11.87   M8/9III:e 62 0
38 V* W Hya Mi* 13 49 02.0018313132 -28 22 03.532006894   8.97 7.70     M7.5-9e 640 0
39 V* RU Hya Mi* 14 11 34.3968070483 -28 53 07.438986282   11.38 7.20 7.54   M6.5e 128 0
40 V* U UMi Mi* 14 17 19.9038938616 +66 47 39.211072116   10.31 7.10 6.75   M6-8e 123 0
41 V* RS Vir Mi* 14 27 16.3912599864 +04 40 41.126332044   10.27 7.00     M8 211 0
42 V* Y Lup Mi* 14 59 36.8233128072 -54 57 56.206326960     10.64     M7e 41 0
43 V* S CrB Mi* 15 21 23.9553294936 +31 22 02.584877304 7.51 7.15 5.80 8.12   M6.5-8e 351 0
44 V* S Ser Mi* 15 21 39.5340937176 +14 18 53.092200960   12.37 11.37     M5e 122 0
45 V* WX Ser Mi* 15 27 47.0420881992 +19 33 51.671456100       9.36   M8.5 206 0
46 V* MW Ser OH* 15 28 43.6857789936 +03 49 43.000339764       11.965   M7/9 58 0
47 V* RU Her Mi* 16 10 14.5126789272 +25 04 14.306977524   13.82 12.24 7.56 4.15 M6-7e 214 0
48 V* U Her OH* 16 25 47.4719383584 +18 53 32.863368084 8.85 8.23 6.70     M6.5-8+e 541 1
49 V* RW Sco OH* 17 14 51.6789006720 -33 25 54.539038236     11.06 10.07 8.71 M6e 74 0
50 RAFGL 5379 OH* 17 44 24.0074369832 -31 55 35.414175828           O-rich 88 0
51 V* RT Oph Mi* 17 56 32.0349186096 +11 10 09.696002556     8.60 10.69   M8e 82 0
52 V* VV Sgr Mi* 17 57 03.0656314392 -19 20 16.169114688     14.8     M3 48 0
53 RAFGL 2046 HII 18 00 32.1 -24 04 03           ~ 361 0
54 V* V4120 Sgr OH* 18 03 56.5305252528 -20 19 00.524865972       15.227 9.266 M8 61 0
55 V* VX Sgr s*r 18 08 04.0442790744 -22 13 26.600899044 11.72 9.41 6.52 3.90 2.11 M8.5Ia 596 0
56 RAFGL 2136 Y*O 18 22 26.52888 -13 30 14.0400           ~ 285 0
57 IRC -10414 s*r 18 23 17.9055962736 -13 42 47.118241332       11.149   M7I 86 0
58 V* X Oph Mi* 18 38 21.1323356928 +08 50 02.806199880 8.61 7.72 6.40     M0-8e+K2:III 277 0
59 V* R Aql OH* 19 06 22.2510922392 +08 13 48.012661776 8.06 7.69 6.09     M6.5-9e 564 2
60 IRAS 19078+0901 HII 19 10 15.6 +09 06 05           ~ 36 0
61 V* RT Aql Mi* 19 38 01.6040590464 +11 43 18.231266280   12.770 11.246 10.701   M7-7.5e 142 0
62 V* GY Aql Mi* 19 50 06.3301987896 -07 36 52.465065516   12.54 11.22     M8 118 0
63 V* RR Sgr Mi* 19 55 56.4336636984 -29 11 24.128616804 8.55 7.66 6.15     M6-7e 116 0
64 V* RR Aql Mi* 19 57 36.0616870728 -01 53 11.339520360     7.80 7.45   M7.5e 294 2
65 V* V719 Cyg s*r 20 03 38.4839183880 +30 28 09.618992508   15.186 13.131 11.076   M4I 29 0
66 V* SY Aql OH* 20 07 05.4056873352 +12 57 06.224235444       12.70   M5.5-6e 107 0
67 IRC -10529 OH* 20 10 27.8731455576 -06 16 13.758742596         15.49 M: 141 0
68 WSRTGP 2025+3712 HII 20 27 26.4 +37 22 48           ~ 48 0
69 NAME SH 2-106 IR Y*O 20 27 26.502 +37 22 42.03           ~ 163 1
70 V* U Mic Mi* 20 29 15.7813892664 -40 25 01.271702820   11.76 10.89     M5/7e 76 0
71 V* V Mic OH* 21 23 48.7685217528 -40 42 05.204919096   14.26 12.82 13.37   M3/5e 75 0
72 V* UU Peg Mi* 21 31 04.1510741616 +11 09 13.652141076   13.28 11.69     M7e 67 0
73 V* KZ Peg OH* 22 54 11.4024715248 +08 54 07.347972096           M7 72 0
74 V* R Peg Mi* 23 06 39.1661885712 +10 32 36.080828808 9.43 9.07 7.79 4.87 2.35 M6-8.5e 224 0
75 V* CK Gru Mi* 23 24 06.8438383104 -45 04 58.723673736       14.971 8.377 M9 28 0
76 V* R Aqr Sy* 23 43 49.4634303216 -15 17 04.176349872   8.823 7.683 9.37   M6.5-8.5e 784 0
77 V* EY And Mi* 23 45 02.3088013272 +43 55 25.982143104       8.61   M9 59 0
78 V* R Cas Mi* 23 58 24.8682785040 +51 23 19.713029388 6.71 6.63 4.80     M6.5-9e 702 0

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