2005ApJ...627..974L


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.19CEST17:14:53

2005ApJ...627..974L - Astrophys. J., 627, 974-985 (2005/July-2)

Can life develop in the expanded habitable zones around red giant stars?

LOPEZ B., SCHNEIDER J. and DANCHI W.C.

Abstract (from CDS):

We present some new ideas about the possibility of life developing around subgiant and red giant stars. Our study concerns the temporal evolution of the habitable zone. The distance between the star and the habitable zone, as well as its width, increases with time as a consequence of stellar evolution. The habitable zone moves outward after the star leaves the main sequence, sweeping a wider range of distances from the star until the star reaches the tip of the asymptotic giant branch. Currently there is no clear evidence as to when life actually formed on the Earth, but recent isotopic data suggest life existed at least as early as 7x108 yr after the Earth was formed. Thus, if life could form and evolve over time intervals from 5x108 to 109 yr, then there could be habitable planets with life around red giant stars. For a 1 Mstar at the first stages of its post-main-sequence evolution, the temporal transit of the habitable zone is estimated to be several times 109 yr at 2 AU and around 108 yr at 9 AU. Under these circumstances life could develop at distances in the range 2-9 AU in the environment of subgiant or giant stars, and in the far distant future in the environment of our own solar system. After a star completes its first ascent along the red giant branch and the He flash takes place, there is an additional stable period of quiescent He core burning during which there is another opportunity for life to develop. For a 1 Mstar there is an additional 109 yr with a stable habitable zone in the region from 7 to 22 AU. Space astronomy missions, such as proposed for the Terrestrial Planet Finder (TPF) and Darwin, that focus on searches for signatures of life on extrasolar planets, should also consider the environments of subgiants and red giant stars as potentially interesting sites for understanding the development of life. We performed a preliminary evaluation of the difficulty of interferometric observations of planets around red giant stars compared to a main-sequence star environment. We show that pathfinder missions for TPF and Darwin, such as Eclipse and FKSI, have sufficient angular resolution and sensitivity to search for habitable planets around some of the closest evolved stars of the subgiant and red giant class.

Abstract Copyright:

Journal keyword(s): Stars: Circumstellar Matter - Stars: Planetary Systems - Stars: Evolution - stars: late type - Techniques: High Anular Resolution - Techniques: Interferometric

Simbad objects: 143

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Number of rows : 143

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 142 PM* 00 06 19.17544 -49 04 30.6817   6.30 5.76     F7V 211 1
2 * alf And a2* 00 08 23.25988 +29 05 25.5520 1.48 1.95 2.06 2.09 2.19 B8IV-VHgMn 446 0
3 * bet Cas dS* 00 09 10.68518 +59 08 59.2120 2.73 2.61 2.27 1.97 1.77 F2III 498 0
4 HD 2071 PM* 00 24 42.5485223710 -53 59 02.396695788   7.95 7.27     G2V 68 0
5 * bet Hyi PM* 00 25 45.07036 -77 15 15.2860 3.52 3.41 2.79 2.28 1.94 G0V 552 0
6 * alf Phe SB* 00 26 17.05140 -42 18 21.5539   3.46 2.37     K0.5IIIb 143 0
7 HD 3141 PM* 00 35 00.8670188417 +42 41 41.187194361       7.5   K0IV 35 0
8 * bet Cet PM* 00 43 35.37090 -17 59 11.7827 3.90 3.02 2.01 1.29 0.78 G9.5IIICH-1 500 0
9 * kap Tuc A PM* 01 15 46.1018601684 -68 52 33.261318957   5.39 4.95     F6V 69 0
10 * kap Tuc ** 01 15 46.16226 -68 52 33.3356   4.73 4.25 4.82   F6V+K1V 107 0
11 * ome And ** 01 27 39.3811365238 +45 24 24.073194122 5.25 5.25 4.83 4.42 4.19 F4IV 131 0
12 HD 9562 PM* 01 33 42.8353548073 -07 01 31.236482634 6.61 6.40 5.76     G1V 235 0
13 HD 10086 PM* 01 39 36.0178939231 +45 52 39.986465984   7.30   6.2   G5V 87 0
14 * eps Scl ** 01 45 38.7571221 -25 03 09.402256   5.70 5.31     F1V+K1V 76 0
15 * chi Cet PM* 01 49 35.1031601 -10 41 11.067376 5.04 5.00 4.68 4.38 4.22 F0V 179 0
16 * alf Tri SB* 01 53 04.9070960 +29 34 43.780094 3.96 3.90 3.42 3.00 2.72 F5III 272 0
17 * alf Ari PM* 02 07 10.40570 +23 27 44.7032 4.29 3.17 2.01 1.15 0.54 K2-IIIbCa-1 606 1
18 HD 13825 PM* 02 15 24.4137899975 +24 16 16.639802742   7.50   6.4   G5IV-V 74 0
19 HD 14214 SB* 02 18 01.4418270170 +01 45 28.113786258   6.18   5.2   G1V 170 0
20 * lam02 For PM* 02 36 58.6079324808 -34 34 40.713450652 6.67 6.45 5.79     G1V 178 1
21 * 84 Cet ** 02 41 13.99720 -00 41 44.3845   6.23 5.71     F7V 98 0
22 * mu. Cet dS* 02 44 56.5409823 +10 06 50.908913   4.58   4.1   A9IIIp 181 0
23 HD 17190 PM* 02 46 15.2062288402 +25 38 59.641252327   8.66   7.4   K1 87 0
24 * alf For ** 03 12 04.5273570 -28 59 15.433684 4.41 4.36 3.85 3.39 3.08 F6V+G7V 245 0
25 * iot Hyi PM* 03 15 57.6679929388 -77 23 18.437120191   5.944 5.506     F5IV-V 48 0
26 * del Eri RS* 03 43 14.9008787 -09 45 48.208444 5.13 4.46 3.54 2.82 2.32 K0+IV 544 0
27 HD 26913 BY* 04 15 25.7871510436 +06 11 58.749263209 7.790 7.580 6.920 6.554 6.195 G8V 198 0
28 HD 26923 Ro* 04 15 28.8004956278 +06 11 12.699896698 6.910 6.860   5.9   G0IV 186 0
29 * gam Dor gD* 04 16 01.5882311191 -51 29 11.919063290   4.55 4.20     F1V 290 0
30 * alf Tau LP? 04 35 55.23907 +16 30 33.4885 4.32 2.40 0.86 -0.37 -1.31 K5+III 1182 1
31 HD 29883 PM* 04 43 35.4357143098 +27 41 14.649499509   8.92   7.4   K3 75 0
32 * 13 Ori PM* 05 07 38.3131535983 +09 28 18.411432249   6.79   5.8   G3 109 0
33 * bet Eri PM* 05 07 50.98549 -05 05 11.2055 3.02 2.92 2.79 2.65 2.57 A3IV 210 0
34 HD 290054 PM* 05 14 48.1304200368 +00 39 43.079894266       9.575   K5.5V 21 0
35 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1140 0
36 V* AB Dor TT* 05 28 44.8916324761 -65 26 55.289846904 8.259 7.856 6.999 6.496 5.993 K0V 936 0
37 HD 37986 PM* 05 41 53.6864867679 -15 37 49.950607223   8.16 7.37     G8+VCN+1 84 0
38 * bet Col PM* 05 50 57.5921991 -35 46 05.915211 5.49 4.28 3.12 2.27 1.69 K1III_CN+1 133 0
39 HD 39881 PM* 05 56 03.4329867449 +13 55 29.695861517   7.252 6.600 7.55   G8 120 0
40 * bet Aur Al* 05 59 31.7229284 +44 56 50.757259 1.97 1.93 1.90 1.82 1.83 A1IV-Vp 402 0
41 HD 45184 PM* 06 24 43.8797456693 -28 46 48.416253741   7.01 6.39 6.24 8.94 G2Va 164 1
42 * nu.02 CMa PM* 06 36 41.0375756 -19 15 21.165905 5.96 5.011 3.91 3.13 2.61 K1.5III-IVFe1 241 1
43 * ksi Gem PM* 06 45 17.3643205 +12 53 44.131127 3.85 3.79 3.36 2.97 2.74 F5IV-V 201 0
44 HD 50806 PM* 06 53 33.9426033431 -28 32 23.255947738   6.75 6.04     G5V 126 0
45 * I Pup a2* 07 12 33.6249752 -46 45 33.494912 4.80 4.81 4.49 4.17 3.95 F3VFe-1.0 127 0
46 * del Gem SB* 07 20 07.3797829 +21 58 56.337741 3.91 3.87 3.53 3.17 2.98 F2VkF0mF0 228 0
47 HD 62644 ** 07 42 57.0929163265 -45 10 23.216409952   5.84 5.04     G8IV-V 108 0
48 * Q Pup PM* 07 48 20.1604257 -47 04 39.798540 6.69 5.77 4.71 3.95 3.38 K0IIIb 42 0
49 HD 63433 BY* 07 49 55.0604326704 +27 21 47.458599312   7.59 6.91     G5IV 108 0
50 * rho Pup dS* 08 07 32.6488235 -24 18 15.567946 3.43 3.24 2.81 2.46 2.25 F5IIkF2IImF5II 277 0
51 * mu.02 Cnc PM* 08 07 45.8558112053 +21 34 54.532453099 6.14 5.93 5.30     G1IVb 209 0
52 * alf Cha PM* 08 18 31.5531890 -76 55 10.996432   4.448 4.047     F5VFe-0.8 92 0
53 * sig02 UMa ** 09 10 23.54597 +67 08 02.4642   5.29 4.80     F7V 157 0
54 * psi Vel ** 09 30 41.99958 -40 28 00.2616 3.89 3.96 3.60 3.24 3.02 F3VFe-0.7 106 0
55 * h UMa PM* 09 31 31.7087322 +63 03 42.701339 4.10 4.00 3.67 3.33 3.15 F0IV 124 0
56 * tet UMa PM* 09 32 51.4338939 +51 40 38.281102 3.67 3.64 3.18 2.74 2.47 F7V 387 0
57 * 11 LMi RS* 09 35 39.5018053382 +35 48 36.484070234 6.560 6.110 5.340 4.79 4.42 G8Va 346 0
58 * 40 Leo dS* 10 19 44.1668778 +19 28 15.294314   5.24   4.5   F6IV-V 248 0
59 * I Car V* 10 24 23.7059714 -74 01 53.803578 4.35 4.36 4.01 3.67 3.48 F3V 120 0
60 * p Vel SB* 10 37 18.13995 -48 13 32.2349 4.19 4.13 3.84 3.57 3.41 A3/5 116 0
61 * 46 LMi PM* 10 53 18.7048735 +34 12 53.537492 5.79 4.87 3.83 3.00 2.46 K0+III-IV 222 0
62 V* U Car cC* 10 57 48.1866898409 -59 43 55.880151632 8.31 7.21 6.11   5.073 G5/8Iab 211 0
63 * iot Leo SB* 11 23 55.45273 +10 31 46.2195   4.35   3.8   F3V 261 0
64 * 83 Leo ** 11 26 45.32 +03 00 47.2 7.63 7.01 6.16     ~ 208 0
65 * 83 Leo A PM* 11 26 45.3217209044 +03 00 47.158549988 7.78 7.28 6.46 6.0   G9IV-V 209 0
66 HD 104304 PM* 12 00 44.4611593182 -10 26 46.055023587 6.76 6.32 5.55     G8IV 212 0
67 * eta Cru SB* 12 06 52.8989997 -64 36 49.424377   4.470 4.136     F2V 89 1
68 * gam Cru PM* 12 31 09.95961 -57 06 47.5684 5.01 3.23 1.64 -0.02 -1.44 M3.5III 264 0
69 * del Mus SB* 13 02 16.2647362 -71 32 55.875239   4.80 3.62     K2III 58 0
70 BD+35 2406 PM* 13 07 35.0632535055 +34 24 06.062938421   10.50 9.40 9.07   K3V 37 0
71 HD 114174 ** 13 08 51.0231461021 +05 12 26.064930541   7.47   6.3   G3IV+D 143 0
72 HD 114837 PM* 13 14 15.1459391643 -59 06 11.652757891 5.35 5.41 4.93 4.48 8.83 F6VFe-0.4 115 0
73 HD 118096 PM* 13 34 03.2377805308 +33 13 42.213289751   10.28   8.6   K4V 44 0
74 HD 118036 ** 13 34 16.257480 -00 18 49.59900 8.979 8.272 7.338 7.97 6.406 K0V 80 0
75 * i Cen SB* 13 45 41.2448252 -33 02 37.399704 4.61 4.61 4.23 3.90 3.69 F2V 152 0
76 * tau Boo Ro* 13 47 15.74340 +17 27 24.8552 5.02 4.98 4.49 4.09 3.85 F7IV-V 885 1
77 * eta Boo SB* 13 54 41.07892 +18 23 51.7946 3.440 3.250 2.680 2.24 1.95 G0IV 657 1
78 HD 122862 PM* 14 08 27.1622887824 -74 51 01.032345398   6.60 6.02     F9.5V 98 0
79 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2147 0
80 * iot Vir PM* 14 16 00.8695049 -06 00 01.963348 4.64 4.60 4.08     F7III 334 0
81 * 18 Boo PM* 14 19 16.2796600897 +13 00 15.485871376   5.788 5.396     F5IV 146 0
82 * gam Boo dS* 14 32 04.6717964 +38 18 29.704270 3.33 3.21 3.02 2.88 2.80 A7IV+(n) 231 0
83 * mu. Vir PM* 14 43 03.6228218 -05 39 29.532712 4.25 4.26 3.88 3.48 3.26 F2V 210 0
84 HD 130322 PM* 14 47 32.7265637197 -00 16 53.305928889   8.82 8.04     K0V 231 1
85 * alf02 Lib SB* 14 50 52.71309 -16 02 30.3955 2.99 2.90 2.75 2.61 2.57 kA2hA5mA4IV-V 205 0
86 HD 136064 PM* 15 14 38.3392641428 +67 20 48.194332500   5.66   4.8   F8V 161 0
87 HD 134606 PM* 15 15 15.0442916033 -70 31 10.643946773   7.61 6.854 6.69 8.89 G6IV 68 1
88 * iot Dra V* 15 24 55.7746265 +58 57 57.834445 5.68 4.45 3.29 2.51 1.91 K2III 370 1
89 * 37 Lib PM* 15 34 10.7020905 -10 03 52.306353 6.48 5.63 4.62 3.85 3.33 K1III-IV 160 0
90 * bet TrA PM* 15 55 08.5620636 -63 25 50.615531 3.19 3.14 2.85 2.53 2.38 F1V 147 0
91 * gam Ser PM* 15 56 27.1826948 +15 39 41.820500 4.31 4.34 3.84 3.37 3.13 F6V 531 0
92 * tet Dra SB* 16 01 53.3463580 +58 33 54.905636 4.630 4.520 4.000 3.56 3.31 F9V 276 0
93 * ksi Sco A PM* 16 04 22.1552377260 -11 22 23.537475996   5.64 5.16     F4(V) 96 0
94 * zet Her SB* 16 41 17.16104 +31 36 09.7873 3.640 3.430 2.800 2.31 1.99 G0IV 525 0
95 * eps Sco PM* 16 50 09.8108127 -34 17 35.633735 4.61 3.45 2.29 1.43 0.83 K1III 200 0
96 HD 152311 SB* 16 53 25.1974585379 -20 24 56.801167541   6.551 5.857     G2IV-V 75 0
97 * kap Oph LP? 16 57 40.0978499 +09 22 30.112596 5.52 4.36 3.20 2.36 1.82 K2III 286 0
98 * del Her SB* 17 15 01.91058 +24 50 21.1451 3.29 3.21 3.13 3.08 3.05 A1IVn 184 0
99 HD 157347 PM* 17 22 51.2877095327 -02 23 17.439826176   6.965 6.278     G3V 160 0
100 HD 158332 PM* 17 27 34.5812324608 +26 47 41.840660328   8.54   7.2   K1IV 33 0
101 * alf Oph ** 17 34 56.06945 +12 33 36.1346 2.32 2.22 2.07 1.93 1.85 A5IVnn 443 0
102 * lam Ara PM* 17 40 23.8255179884 -49 24 56.104103575   5.17 4.77     F4V 104 0
103 * bet Oph PM* 17 43 28.3526482 +04 34 02.295484 5.150 3.930 2.750 1.96 1.38 K2IIICN0.5 454 0
104 * mu.01 Her ** 17 46 27.5266778 +27 43 14.437984 4.56 4.17 3.42 2.89 2.51 G5IV 653 0
105 * zet Ser PM* 18 00 29.0113725 -03 41 24.968552   4.982 4.616     F2V 174 0
106 * gam02 Sgr PM* 18 05 48.4880988 -30 25 26.723458 4.77 4.00 2.99 2.26 1.75 K0+III 129 0
107 * 72 Oph PM* 18 07 20.9839294 +09 33 49.850100 3.95 3.85 3.73 3.59 3.54 A5V 131 0
108 BD+29 3226 PM* 18 17 02.8131475272 +29 36 45.367122240   9.93 9.28     G0 4 0
109 * 111 Her PM* 18 47 01.2324617275 +18 10 53.438109142 4.56 4.49 4.36 4.19 4.13 A5III 148 0
110 V* R CrA Ae* 19 01 53.6850227874 -36 57 08.145519972 12.781 12.651 11.917 11.242 10.412 B5IIIpe 453 1
111 * zet Sgr ** 19 02 36.73024 -29 52 48.2279   2.685 2.585     A2.5Va 160 0
112 HD 177565 PM* 19 06 52.4643138830 -37 48 38.372801262   6.88 6.16     G6V 148 0
113 * b Aql PM* 19 24 58.2002406780 +11 56 39.882312617 6.35 5.93   4.7   G7IVHdel1 456 0
114 * del Aql ** 19 25 29.90139 +03 06 53.2061 3.72 3.68 3.36 3.11 2.95 F1IV-V(n) 225 0
115 HD 183877 PM* 19 32 40.3319928128 -28 01 11.312726275   7.83 7.15     G8VFe-1CH-0.5 87 0
116 HD 187237 PM* 19 48 00.8812665154 +27 52 10.303035275   7.51   6.5   G2IV-V 66 0
117 * bet Aql PM* 19 55 18.7925630 +06 24 24.342501 5.040 4.560 3.710 3.05 2.56 G8IV 514 0
118 HD 190360 PM* 20 03 37.4049065078 +29 53 48.495330996   6.44   5.2   G7IV-V 390 1
119 HD 190771 PM* 20 05 09.7751399814 +38 28 42.552259617   6.82   5.8   G2V 157 0
120 * b01 Cyg RS* 20 06 21.7674289928 +35 58 20.887464451   6.21   4.8   G8.5IVa 159 0
121 * del Pav PM* 20 08 43.6094697 -66 10 55.443275 4.78 4.32 3.56 2.95 2.61 G8IV 352 0
122 HD 195564 PM* 20 32 23.6948964278 -09 51 12.186602743   6.34 5.65     G2.5IV 129 0
123 * phi01 Pav PM* 20 35 34.8493105655 -60 34 54.310346540   5.036 4.745     F0V 71 0
124 * bet Del SB* 20 37 32.94130 +14 35 42.3195 4.16 4.07 3.63 3.23 2.99 F5IV 267 0
125 * eta Cep PM* 20 45 17.3755540 +61 50 19.616737 4.960 4.320 3.410 2.76 2.27 K0IV 419 0
126 * eps Cyg ** 20 46 12.6823609 +33 58 12.924926 4.370 3.520 2.480 1.73 1.19 K0III 480 0
127 * tau Cyg dS* 21 14 47.49252 +38 02 43.1441 4.140 4.120 3.730 3.38 3.14 F2IV 250 0
128 * alf Cep PM* 21 18 34.77233 +62 35 08.0681 2.770 2.680 2.460 2.22 2.11 A8Vn 341 0
129 HD 203985 PM* 21 27 01.3179066605 -44 48 30.987301614 9.074 8.37 7.47 7.01 6.59 K2III-IV 31 1
130 * nu. Oct SB* 21 41 28.5420355132 -77 23 24.031541832   4.745 3.728 5.46   K1III 108 1
131 * del Cap Al* 21 47 02.4442395 -16 07 38.233507 3.22 3.12 2.83 2.59 2.43 kA5hF0mF2III 259 0
132 * mu. Cap PM* 21 53 17.7698010580 -13 33 06.380216454   5.45 5.08     F2V 94 0
133 * eps Cep dS* 22 15 02.2114686271 +57 02 36.835994498   4.47   4.0   F0V(Sr) 217 0
134 HD 212330 SB* 22 24 56.3720716646 -57 47 50.824747845 6.09 5.96 5.31 4.79 4.40 G2IV-V 128 0
135 HD 216448 ** 22 52 00.55195 +57 43 00.8867       8.58   K3V 73 0
136 * sig Peg PM* 22 52 24.0744875405 +09 50 08.386917893   5.64   4.9   F6V 256 0
137 * rho Ind PM* 22 54 39.4829644814 -70 04 25.356610041 6.95 6.71 6.05     G1VFe+0.3 167 1
138 HD 217107 ** 22 58 15.5411942071 -02 23 43.387117210   6.919 6.163     G8IV/V 331 1
139 * 6 And PM* 23 10 27.2374579520 +43 32 38.433649106   6.38   5.6   F5V 104 0
140 * gam Tuc PM* 23 17 25.7507806263 -58 14 08.707239934 4.35 4.37 3.98 3.57 3.33 F4V 148 0
141 * lam And RS* 23 37 33.8426114 +46 27 29.337984 5.54 4.84 3.82 3.04 2.47 G8IVk 640 0
142 * gam Cep SB* 23 39 20.9015326708 +77 37 56.505477975 5.190 4.250   2.6   K1III-IVCN1 550 1
143 HD 224022 PM* 23 54 38.6212339113 -40 18 00.222023224   6.60 6.03     G0V 79 0

    Equat.    Gal    SGal    Ecl

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2020.10.19-17:14:53

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