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| Query : 1999A&A...348..897L |
1999A&A...348..897L - Astronomy and Astrophysics, volume 348897-909 (1999/8-3)
Age determinations of main-sequence stars: combining different methods.
LACHAUME R., DOMINIK C., LANZ T. and HABING H.J.
Abstract (from CDS):
We have determined the age of a sample of nearby main-sequence stars with spectral types B9-K9. We have derived the stellar ages from five different age estimators: the location in the HR diagram compared to theoretical isochrones, the rotational velocity, the strength of chromospheric calcium emission lines, the stellar metallicity, and their space velocity. New calibrations consistent with recent theoretical isochrones are provided for the last four indicators. For hot stars, isochrones are the best indicator, while stellar rotation is best for cool stars. However, many stars require in fact a combination of different methods to properly bracket their actual age. We also discuss the uncertainties involved, in particular those in using isochrones, and we find that these uncertainties are often underestimated in the literature.
Abstract Copyright: ∼
Journal keyword(s): stars: activity - stars: chromospheres - stars: evolution - stars: rotation
VizieR on-line data: <Available at CDS (J/A+A/348/897): tablea1.dat tablea2.dat tablea3.dat tablea4.dat tablea5.dat tablea6.dat>
Simbad objects: 92
| Number of rows : 92 |
| 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 | * 6 Cet | PM* | 00 11 15.8580395472 | -15 28 04.720468404 | 5.35 | 5.38 | 4.89 | F8VFe-0.8CH-0.5 | 334 | 0 | ||
| 2 | * zet Tuc | PM* | 00 20 04.2586334956 | -64 52 29.257190108 | 4.82 | 4.80 | 4.23 | 3.73 | 3.40 | F9.5V | 415 | 0 |
| 3 | HD 4628 | PM* | 00 48 22.9759750919 | +05 16 50.209484954 | 7.22 | 6.64 | 5.74 | 4.99 | 4.52 | K2.5V | 544 | 0 |
| 4 | * phi02 Cet | PM* | 00 50 07.5889624710 | -10 38 39.583852438 | 5.69 | 5.19 | F7V | 286 | 0 | |||
| 5 | * nu. Phe | PM* | 01 15 11.1214282378 | -45 31 53.992580679 | 5.65 | 5.54 | 4.96 | 4.47 | 4.11 | F9VFe+0.4 | 281 | 0 |
| 6 | * ups And | PM* | 01 36 47.8415443907 | +41 24 19.651368029 | 4.70 | 4.64 | 4.10 | 3.64 | 3.35 | F9V | 1017 | 1 |
| 7 | * tau Cet | PM* | 01 44 04.0831371922 | -15 56 14.927607677 | 4.43 | 4.22 | 3.50 | 2.88 | 2.41 | G8V | 1354 | 1 |
| 8 | HD 10780 | BY* | 01 47 44.8344358038 | +63 51 09.011001993 | 6.84 | 6.44 | 5.63 | 4.99 | 4.60 | K0V | 384 | 0 |
| 9 | * alf Hyi | PM* | 01 58 46.1385834212 | -61 34 11.359751511 | 3.33 | 3.13 | 2.84 | 2.55 | 2.39 | F0IV | 225 | 0 |
| 10 | HD 13445 | PM* | 02 10 25.9181700303 | -50 49 25.465181208 | 6.945 | 6.117 | K1.5V | 484 | 1 | |||
| 11 | * mu. For | * | 02 12 54.4699976208 | -30 43 25.773757068 | 5.243 | 5.260 | 5.26 | A0V | 86 | 0 | ||
| 12 | HD 14412 | PM* | 02 18 58.5047816166 | -25 56 44.473793228 | 7.07 | 6.34 | G8V | 249 | 0 | |||
| 13 | * del Hyi | PM* | 02 21 44.9423652192 | -68 39 33.906922488 | 4.17 | 4.12 | 4.09 | 4.05 | 4.04 | A2V | 119 | 0 |
| 14 | * kap For | SB* | 02 22 32.5904688744 | -23 49 00.479863128 | 5.802 | 5.198 | 4.51 | G0V | 285 | 0 | ||
| 15 | * iot Hor | PM* | 02 42 33.4666679022 | -50 48 01.055138166 | 5.97 | 5.40 | F8V | 446 | 1 | |||
| 16 | HD 17925 | RS* | 02 52 32.1281856011 | -12 46 10.968056223 | 7.48 | 6.91 | 6.05 | 5.34 | 4.89 | K1V | 557 | 0 |
| 17 | * iot Per | PM* | 03 09 04.0193012009 | +49 36 47.802053343 | 4.76 | 4.64 | 3.7 | G0V | 578 | 0 | ||
| 18 | * zet01 Ret | PM* | 03 17 46.1634549490 | -62 34 31.152456644 | 6.24 | 6.18 | 5.54 | 5.00 | 4.66 | G2.5VHdel1 | 324 | 0 |
| 19 | * zet02 Ret | ** | 03 18 12.8188824117 | -62 30 22.904711032 | 5.814 | 5.228 | G1V | 399 | 0 | |||
| 20 | * kap01 Cet | BY* | 03 19 21.6964175772 | +03 22 12.714979884 | 5.71 | 5.52 | 4.85 | 4.27 | 3.91 | G5V | 948 | 0 |
| 21 | * kap Ret | PM* | 03 29 22.6774206459 | -62 56 15.104181615 | 5.09 | 4.70 | F3IV/V | 184 | 0 | |||
| 22 | * 10 Tau | PM* | 03 36 52.3837044168 | +00 24 05.992097829 | 5.23 | 5.15 | 4.30 | 4.09 | 3.77 | F9IV-V | 595 | 0 |
| 23 | * omi02 Eri | PM* | 04 15 16.3196189945 | -07 39 10.330779018 | 5.69 | 5.25 | 4.43 | 3.74 | 3.29 | K0V | 879 | 0 |
| 24 | * 58 Eri | BY* | 04 47 36.2917029384 | -16 56 04.040472552 | 6.14 | 5.50 | G2.5IV-V | 466 | 0 | |||
| 25 | * zet Dor | PM* | 05 05 30.6556741368 | -57 28 21.736898832 | 5.215 | 4.708 | F9VFe-0.5 | 267 | 0 | |||
| 26 | * lam Aur | PM* | 05 19 08.4754499121 | +40 05 56.585080940 | 5.46 | 5.33 | 4.71 | 4.18 | 3.86 | G1.5IV-VFe-1 | 567 | 0 |
| 27 | HD 37394 | BY* | 05 41 20.3356800431 | +53 28 51.808818686 | 7.58 | 7.07 | 6.23 | 5.54 | 5.11 | K0V | 365 | 0 |
| 28 | V* AK Lep | BY* | 05 44 26.5367235521 | -22 25 18.614500501 | 7.09 | 6.15 | K2.5V(k) | 188 | 0 | |||
| 29 | * gam Lep | PM* | 05 44 27.7906169580 | -22 26 54.187756254 | 4.08 | 4.07 | 3.60 | 3.15 | 2.89 | F6V | 459 | 0 |
| 30 | * zet Lep | * | 05 46 57.3413646658 | -14 49 19.020570470 | 3.637 | 3.525 | A2IV-V(n) | 308 | 0 | |||
| 31 | * bet Pic | PM* | 05 47 17.0876901 | -51 03 59.441135 | 4.13 | 4.03 | 3.86 | 3.74 | 3.58 | A6V | 2087 | 1 |
| 32 | * alf Men | PM* | 06 10 14.4725823672 | -74 45 10.958331816 | 5.798 | 5.069 | G7V | 306 | 0 | |||
| 33 | * alf CMa | SB* | 06 45 08.91728 | -16 42 58.0171 | -1.51 | -1.46 | -1.46 | -1.46 | -1.43 | A0mA1Va | 1610 | 0 |
| 34 | HD 50281 | PM* | 06 52 18.0505442698 | -05 10 25.365598911 | 7.67 | 6.59 | K3.5V | 241 | 0 | |||
| 35 | * alf CMi | SB* | 07 39 18.11950 | +05 13 29.9552 | 0.82 | 0.79 | 0.37 | -0.05 | -0.28 | F5IV-V+DQZ | 1925 | 0 |
| 36 | * chi Cnc | PM* | 08 20 03.8607602556 | +27 13 03.738171893 | 5.61 | 4.8 | F6V | 331 | 0 | |||
| 37 | HD 74576 | PM* | 08 43 18.0303716918 | -38 52 56.570847350 | 7.49 | 6.56 | K3V | 157 | 0 | |||
| 38 | * rho01 Cnc | PM* | 08 52 35.8111044043 | +28 19 50.954994470 | 7.45 | 6.82 | 5.4 | K0IV-V | 1223 | 1 | ||
| 39 | HD 76151 | PM* | 08 54 17.9470964696 | -05 26 04.054298491 | 6.89 | 6.67 | 6.00 | G2V | 580 | 0 | ||
| 40 | * tau01 Hya | SB* | 09 29 08.9313661104 | -02 46 08.182035516 | 5.06 | 4.60 | F5V | 201 | 0 | |||
| 41 | * 15 LMi | PM* | 09 48 35.3713484808 | +46 01 15.626615412 | 5.80 | 5.72 | 5.10 | 4.57 | 4.23 | G0.5Va | 339 | 0 |
| 42 | HD 88230 | PM* | 10 11 22.1399492383 | +49 27 15.251007087 | 9.23 | 7.94 | 6.61 | 5.36 | 4.56 | K6VeFe-1 | 494 | 0 |
| 43 | * 36 UMa | PM* | 10 30 37.5792656400 | +55 58 49.939689252 | 4.5 | F8V | 351 | 1 | ||||
| 44 | * 47 UMa | PM* | 10 59 27.9727514012 | +40 25 48.920572724 | 5.66 | 4.7 | G1-VFe-0.5 | 824 | 1 | |||
| 45 | * del Leo | PM* | 11 14 06.50142 | +20 31 25.3853 | 2.79 | 2.68 | 2.53 | 2.44 | 2.41 | A5IV(n) | 292 | 0 |
| 46 | * 20 Crt | PM* | 11 34 29.4864443348 | -32 49 52.822793411 | 6.79 | 5.98 | 7.17 | K0V | 259 | 0 | ||
| 47 | * 61 UMa | PM* | 11 41 03.0162706212 | +34 12 05.881605449 | 6.31 | 6.08 | 5.34 | 4.73 | 4.38 | G8V | 654 | 0 |
| 48 | HD 102365 | PM* | 11 46 31.0725331317 | -40 30 01.285867174 | 5.65 | 5.55 | 4.88 | 4.35 | 3.97 | G2V | 378 | 1 |
| 49 | * bet Leo | dS* | 11 49 03.57834 | +14 34 19.4090 | 2.30 | 2.22 | 2.13 | 2.08 | 2.06 | A3Va | 605 | 1 |
| 50 | * bet Vir | PM* | 11 50 41.7185158616 | +01 45 53.001539131 | 4.26 | 4.15 | 3.60 | 3.13 | 2.85 | F9V | 973 | 0 |
| 51 | * del UMa | PM* | 12 15 25.5598467041 | +57 01 57.421119850 | 3.460 | 3.410 | 3.320 | 3.25 | 3.25 | A2Vn | 312 | 0 |
| 52 | HD 112758 | ** | 12 59 01.5612841731 | -09 50 02.679322421 | 8.737 | 8.384 | 7.588 | 7.163 | 6.729 | G9V | 196 | 1 |
| 53 | * bet Com | PM* | 13 11 52.3938268062 | +27 52 41.462309460 | 4.92 | 4.84 | 4.25 | 3.77 | 3.47 | F9.5V | 946 | 0 |
| 54 | HD 114762 | SB* | 13 12 19.7410686234 | +17 31 01.630334317 | 7.78 | F9VgF8mF4+M6?V | 570 | 1 | ||||
| 55 | * e Vir | PM* | 13 16 46.5148594512 | +09 25 26.960139646 | 5.81 | 4.8 | G0IV | 590 | 1 | |||
| 56 | * 61 Vir | PM* | 13 18 24.3139864471 | -18 18 40.297748582 | 5.710 | 5.440 | 4.740 | G6.5V | 742 | 1 | ||
| 57 | * 70 Vir | PM* | 13 28 25.8085908881 | +13 46 43.638308807 | 5.930 | 5.680 | 4.970 | 4.37 | 3.98 | G4Va | 754 | 1 |
| 58 | * tau Boo | PM* | 13 47 15.7381720026 | +17 27 24.809555600 | 5.02 | 4.98 | 4.49 | 4.09 | 3.85 | F7IV-V | 1049 | 1 |
| 59 | HD 125072 | PM* | 14 19 04.8342927813 | -59 22 44.536555365 | 7.69 | 6.66 | K3IV | 169 | 0 | |||
| 60 | * tet Boo | PM* | 14 25 11.7969501601 | +51 51 02.677224089 | 4.57 | 4.56 | 4.05 | 3.64 | 3.39 | F7V | 397 | 0 |
| 61 | * sig Boo | PM* | 14 34 40.8173867232 | +29 44 42.457673940 | 4.76 | 4.84 | 4.47 | 4.13 | 3.94 | F4VkF2mF1 | 632 | 0 |
| 62 | * c Boo | PM* | 15 07 18.0659348352 | +24 52 09.099406380 | 5.34 | 5.36 | 4.93 | 4.53 | 4.32 | F5V | 374 | 0 |
| 63 | * bet Cir | PM* | 15 17 30.8494520580 | -58 48 04.345266926 | 4.153 | 4.057 | A3Va | 136 | 0 | |||
| 64 | * g Lup | PM* | 15 41 11.3768069149 | -44 39 40.341696305 | 5.036 | 4.633 | F4V | 212 | 0 | |||
| 65 | * chi Her | PM* | 15 52 40.5410491705 | +42 27 05.462878877 | 5.19 | 5.19 | 4.62 | 4.14 | 3.82 | F8VFe-2Hdel-1 | 532 | 0 |
| 66 | * gam Ser | PM* | 15 56 27.1826577018 | +15 39 41.809580382 | 4.31 | 4.34 | 3.84 | 3.37 | 3.13 | F6V | 586 | 0 |
| 67 | * 12 Oph | BY* | 16 36 21.4496896968 | -02 19 28.513024233 | 7.00 | 6.55 | 5.77 | 5.13 | 4.74 | K1V | 525 | 0 |
| 68 | HD 154088 | PM* | 17 04 27.8431080168 | -28 34 57.639670068 | 7.411 | 6.584 | K0IV-V | 149 | 1 | |||
| 69 | V* V2215 Oph | RS* | 17 16 13.3624141798 | -26 32 46.136563394 | 7.50 | 6.34 | 4.8 | K5V | 334 | 0 | ||
| 70 | * w Her | RG* | 17 20 39.5674498400 | +32 28 03.877958860 | 6.08 | 6.01 | 5.39 | 4.89 | 4.56 | G0V | 481 | 0 |
| 71 | HD 157881 | PM* | 17 25 45.2324302566 | +02 06 41.123732402 | 10.126 | 8.865 | 7.56 | 6.649 | 5.89 | K7V | 361 | 0 |
| 72 | * b Oph | PM* | 17 26 22.2165408824 | -24 10 31.105002217 | 4.437 | 4.153 | kA5hA9mF1III | 140 | 0 | |||
| 73 | * mu. Ara | PM* | 17 44 08.7031414872 | -51 50 02.591603160 | 5.85 | 5.15 | G3IV-V | 578 | 2 | |||
| 74 | HD 166620 | PM* | 18 09 37.4162111401 | +38 27 27.998016381 | 7.86 | 7.27 | 6.40 | 5.63 | 5.14 | K2V | 481 | 0 |
| 75 | * alf Lyr | dS* | 18 36 56.33635 | +38 47 01.2802 | 0.03 | 0.03 | 0.03 | 0.07 | 0.10 | A0V | 2787 | 1 |
| 76 | * 110 Her | PM* | 18 45 39.7256792847 | +20 32 46.713086264 | 4.66 | 4.65 | 4.19 | 3.80 | 3.54 | F5.5IV-V | 427 | 0 |
| 77 | * sig Dra | PM* | 19 32 21.5902098601 | +69 39 40.235805206 | 5.860 | 5.460 | 4.680 | 4.04 | 3.63 | K0V | 691 | 0 |
| 78 | * tet Cyg | PM* | 19 36 26.5330717650 | +50 13 15.965003998 | 4.83 | 4.86 | 4.48 | 4.13 | 3.92 | F3+V | 361 | 1 |
| 79 | * alf Aql | dS* | 19 50 46.99855 | +08 52 05.9563 | 1.07 | 0.98 | 0.76 | 0.62 | 0.49 | A7Vn | 919 | 1 |
| 80 | HD 191408 | PM* | 20 11 11.9387690214 | -36 06 04.351725607 | 5.44 | 5.32 | K2.5V | 294 | 1 | |||
| 81 | HD 191408B | PM* | 20 11 12.8028949300 | -36 06 32.166102762 | M3.5 | 230 | 1 | |||||
| 82 | HD 192310 | PM* | 20 15 17.3913760474 | -27 01 58.711625384 | 6.63 | 5.723 | 5.98 | 8.74 | K2+V | 359 | 1 | |
| 83 | * psi Cap | PM* | 20 46 05.7329952443 | -25 16 15.233491015 | 4.538 | 4.122 | F5V | 230 | 0 | |||
| 84 | * alf Cep | PM* | 21 18 34.77233 | +62 35 08.0681 | 2.770 | 2.680 | 2.460 | 2.22 | 2.11 | A8Vn | 374 | 0 |
| 85 | * gam Pav | PM* | 21 26 26.6049826473 | -65 21 58.313057521 | 4.57 | 4.70 | 4.22 | 3.75 | 3.45 | F9VFe-1.4CH-0.7 | 439 | 0 |
| 86 | HD 207129 | PM* | 21 48 15.7511634187 | -47 18 13.017893348 | 6.18 | 5.58 | G2V | 357 | 0 | |||
| 87 | * eps Ind | PM* | 22 03 21.6536261624 | -56 47 09.522795714 | 5.75 | 4.69 | K5V | 616 | 0 | |||
| 88 | * eps Gru | SB* | 22 48 33.2980615128 | -51 19 00.713323272 | 3.556 | 3.466 | A2IVn | 137 | 0 | |||
| 89 | * 51 Peg | PM* | 22 57 27.9804852576 | +20 46 07.797040104 | 6.39 | 6.16 | 5.46 | 4.97 | 4.61 | G2IV | 1216 | 1 |
| 90 | * alf PsA | PM* | 22 57 39.04625 | -29 37 20.0533 | 1.31 | 1.25 | 1.16 | 1.11 | 1.09 | A4V | 1303 | 3 |
| 91 | HD 219134 | PM* | 23 13 16.9749603608 | +57 10 06.083823619 | 7.460 | 6.560 | 5.570 | 4.76 | 4.23 | K3V | 677 | 1 |
| 92 | * iot Psc | PM* | 23 39 57.0406036160 | +05 37 34.653911951 | 4.640 | 4.620 | 4.120 | 3.68 | 3.37 | F7V | 641 | 0 |
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