2009ApJ...692.1013S

Query : 2009ApJ...692.1013S

2009ApJ...692.1013S - Astrophys. J., 692, 1013-1032 (2009/February-3)

Semi-empirical white dwarf initial-final mass relationships: a thorough analysis of systematic uncertainties due to stellar evolution models.

SALARIS M., SERENELLI A., WEISS A. and MILLER BERTOLAMI M.

Abstract (from CDS):

Using the most recent results about white dwarfs (WDs) in ten open clusters, we revisit semiempirical estimates of the initial-final mass relation (IFMR) in star clusters, with emphasis on the use of stellar evolution models. We discuss the influence of these models on each step of the derivation. One intention of our work is to use consistent sets of calculations both for the isochrones and the WD cooling tracks. The second one is to derive the range of systematic errors arising from stellar evolution theory. This is achieved by using different sources for the stellar models and by varying physical assumptions and input data. We find that systematic errors, including the determination of the cluster age, are dominating the initial mass values, while observational uncertainties influence the final mass primarily. After having determined the systematic errors, the initial-final mass relation allows us finally to draw conclusions about the physics of the stellar models, in particular about convective overshooting.

Abstract Copyright: ∼

Journal keyword(s): stars: AGB and post-AGB - stars: evolution - stars: individual: Sirius - stars: mass loss - white dwarfs - open clusters and associations: individual (Pleiades, Hyades, Praesepe, NGC 1039, NGC 2168, NGC 2099, NGC 2516, NGC 3532, NGC 6819, NGC 7789)

CDS comments: Table 1, col(1): Numbering NN not used in Simbad.

Simbad objects: 67

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Number of rows : 67
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 PG 0136+251 WD* 01 38 52.9776840264 +25 23 22.640581464   15.83       DA1.2 91 0
2 LB 3565 WD* 02 40 27.9088674816 +42 30 56.349536652     19.896     DA 9 0
3 LB 3566 WD* 02 40 33.7254602856 +42 58 16.474782108   19.779 19.806     DA 7 0
4 Cl* NGC 1039 LAWDS S2 WD* 02 41 05.0268597024 +42 15 58.402997784   19.185 19.330     DA 8 0
5 NGC 1039 OpC 02 42 09.1 +42 44 02           ~ 467 0
6 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
7 GD 50 WD* 03 48 50.1859724280 -00 58 32.290187664 12.596 13.787 14.063 14.210 14.388 DA1.2 272 1
8 EGGR 25 WD* 03 52 11.3301458285 +24 55 48.797718780 15.42 16.32 16.52     DA1.5 93 0
9 HZ 4 WD* 03 55 21.9881513952 +09 47 18.135008592 13.917 14.592 14.506 14.58 14.642 DA3.4 220 0
10 EGGR 29 WD* 04 09 28.9040081904 +17 07 54.395653512 14.66 15.378 15.323 15.408 15.515 DA3.2 134 0
11 LAWD 18 WD* 04 23 55.6973490528 +16 21 15.122076192   14.33 14.27 14.79   DA2.5 125 0
12 LAWD 19 WD* 04 28 39.4103640216 +16 58 12.094977036   13.96 14.03 14.51   DA2.0 135 0
13 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
14 HZ 7 WD* 04 33 44.9627622456 +12 42 40.357601928   14.15 14.24 14.49   DA2.3 140 0
15 EGGR 316 WD* 04 40 23.8781083870 +13 58 45.880560826   14.97 14.94 13.25   DB4 89 0
16 HZ 14 WD* 04 41 01.7398379640 +10 59 40.001283528   13.68 13.86     DA1.8 133 0
17 Cl* NGC 2099 KRR 14 WD* 05 52 06.43 +32 38 29.4   23.372 23.047     DA 7 0
18 Cl* NGC 2099 KRR 12 WD* 05 52 11.96 +32 40 39.5   23.369 22.947     DA 7 0
19 Cl* NGC 2099 KRR 13 WD* 05 52 16.21 +32 38 18.5   23.21 22.960     DA 9 0
20 Cl* NGC 2099 KRR 2 WD* 05 52 17.54 +32 29 03.4   22.928 22.702     DA 9 0
21 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
22 Cl* NGC 2099 KRR 16 WD* 05 52 22.89 +32 36 29.4   23.582 23.363     DA 11 0
23 Cl* NGC 2099 KRR 9 WD* 05 52 25.14 +32 40 03.6   22.996 22.686     DA 9 0
24 Cl* NGC 2099 KRR 5 WD* 05 52 25.46 +32 30 54.4   23.417 23.123     DA 9 0
25 Cl* NGC 2099 KRR 10 WD* 05 52 25.82 +32 36 03.8   22.933 22.697     DA 9 0
26 Cl* NGC 2099 KRR 11 WD* 05 52 26.57 +32 35 25.4           DA 7 0
27 Cl* NGC 2099 KRR 4 WD* 05 52 34.53 +32 29 12.4           DA 6 0
28 Cl* NGC 2099 KRR 3 WD* 05 52 36.25 +32 32 51.5           DA 6 0
29 Cl* NGC 2099 KRR 7 WD* 05 52 36.96 +32 33 29.9           DA 6 0
30 Cl* NGC 2168 RA 1 WD* 06 08 38.792 +24 15 06.61   20.64 20.989     DA 13 0
31 LAWDS NGC 2168 2 WD* 06 08 42.315 +24 10 17.61   22.38 21.569     DA 12 0
32 LAWDS NGC 2168 27 WD* 06 09 06.256 +24 19 25.25   22.04 21.398     DA 12 0
33 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
34 Cl* NGC 2168 RA 3 WD* 06 09 11.5412764416 +24 27 20.709332676   20.1 20.065     DO 16 0
35 LAWDS NGC 2168 15 WD* 06 09 11.7448605408 +24 02 41.586083232   19.9 20.785 18.9   DA 11 0
36 Cl* NGC 2168 RA 4 WD* 06 09 23.4729139560 +24 27 21.788696088   20.2 19.863     DO 16 0
37 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1610 0
38 * alf CMa B WD* 06 45 09.3041925037 -16 43 00.724740067   8.41 8.44     DA1.9 563 1
39 Cl* NGC 2516 RK 3 WD* 07 57 03.1217604000 -60 54 52.806636000   18.7 19.88 19.9   DA 24 0
40 Cl* NGC 2516 RK 2 WD* 07 57 50.6471208768 -60 49 54.810631056   16.5 19.55 19.5   DA 30 0
41 Cl* NGC 2516 RK 5 WD* 07 57 53.7643489368 -60 28 49.345667724   18.7 20.09 19.5   DA 25 0
42 NGC 2516 OpC 07 58 00.5 -60 46 36           ~ 793 0
43 Cl* NGC 2516 RK 1 WD* 07 58 49.1642036664 -60 48 23.190609852   17.9 19.61 14.2   DA 25 0
44 Cl* NGC 2632 DPN 1 WD* 08 36 10.0232301648 +19 38 18.734394228           DA 46 0
45 LB 5893 WD* 08 39 36.4894448736 +19 30 43.660631664 16.70 17.57 17.63   18.00 DA2.5 56 0
46 EGGR 59 WD* 08 39 45.5747385840 +20 00 15.827498388   18.01 17.85 18.4   DAH 67 0
47 EGGR 60 WD* 08 39 47.2132332384 +19 46 11.963822952   18.4 18.23 18.9   DA 48 0
48 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
49 LB 5959 WD* 08 40 13.3026682896 +18 43 26.373596232   18.9 18.15 18.6   DA 60 1
50 EGGR 61 WD* 08 40 28.0935005160 +19 43 34.488958224   17.6 17.66 17.7   DA 72 0
51 Cl* NGC 2632 DPN 3 WD* 08 40 31.4689640280 +21 40 42.732950412   18.0 18.0     DA 39 0
52 LB 1876 WD* 08 42 52.3105257384 +19 51 11.194802136   17.84 17.69     DA5 48 1
53 Cl* NGC 2632 DPN 4 WD* 08 42 58.0378306128 +18 54 35.394452028           DA 33 0
54 Cl* NGC 2632 DPN 5 WD* 08 43 21.9954726168 +20 43 30.246289104           DA 36 1
55 LB 8648 WD* 08 46 01.9035697512 +18 30 48.545909388   18.0       DA 35 0
56 Cl* NGC 3532 RK 10 WD* 11 03 15.1371670128 -58 21 44.255696652           DA 23 0
57 Cl* NGC 3532 RK 9 WD* 11 03 37.3192597272 -58 18 40.318347132           DA 20 0
58 NGC 3532 OpC 11 05 33.9 -58 42 13           ~ 414 0
59 Cl* NGC 3532 RK 8 WD* 11 12 48.8 -58 49 50           DA 11 0
60 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
61 NGC 6819 OpC 19 41 18.3 +40 11 19   8.21 7.3     ~ 719 0
62 Cl* NGC 6819 KHK 6 WD* 19 41 19.96 +40 02 56.1   23.01 22.94     DA 9 0
63 Cl* NGC 6819 KHK 7 WD* 19 41 33.93 +40 01 41.4   22.89 22.91     DA 6 0
64 Cl* NGC 7789 KHK 9 WD? 23 56 42.42 +56 32 48.4   23.44 23.09     ~ 4 0
65 Cl* NGC 7789 KHK 5 WD* 23 56 49.06 +56 40 13.2   22.53 22.49     DA 9 0
66 Cl* NGC 7789 KHK 8 WD* 23 56 57.22 +56 40 01.1   23.30 23.15     DA 9 0
67 NGC 7789 OpC 23 57 19.4 +56 43 28   7.68 6.7     ~ 575 0

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