CDS

2020A&A...643A..83W

Query : 2020A&A...643A..83W

2020A&A...643A..83W - Astronomy and Astrophysics, volume 643A, 83-83 (2020/11-1)

The Gaia-ESO Survey: Spectroscopic-asteroseismic analysis of K2 stars in Gaia-ESO. The K2 Galactic Caps Project.

WORLEY C.C., JOFRE P., RENDLE B., MIGLIO A., MAGRINI L., FEUILLET D., GAVEL A., SMILJANIC R., LIND K., KORN A., GILMORE G., RANDICH S., HOURIHANE A., GONNEAU A., FRANCOIS P., LEWIS J., SACCO G., BRAGAGLIA A., HEITER U., FELTZING S., BENSBY T., IRWIN M., GONZALEZ SOLARES E., MURPHY D., BAYO A., SBORDONE L., ZWITTER T., LANZAFAME A.C., WALTON N., ZAGGIA S., ALFARO E.J., MORBIDELLI L., SOUSA S., MONACO L., CARRARO G. and LARDO C.

Abstract (from CDS):


Context. The extensive stellar spectroscopic datasets that are available for studies in Galactic Archeaology thanks to, for example, the Gaia-ESO Survey, now benefit from having a significant number of targets that overlap with asteroseismology projects such as Kepler, K2, and CoRoT. Combining the measurements from spectroscopy and asteroseismology allows us to attain greater accuracy with regard to the stellar parameters needed to characterise the stellar populations of the Milky Way.
Aims. The aim of this Gaia-ESO Survey special project is to produce a catalogue of self-consistent stellar parameters by combining measurements from high-resolution spectroscopy and precision asteroseismology.
Methods. We carried out an iterative analysis of 90 K2@Gaia-ESO red giants. The spectroscopic values of Teff were used as input in the seismic analysis to obtain logg values. The seismic estimates of logg were then used to re-determine the spectroscopic values of Teff and [Fe/H]. Only one iteration was required to obtain parameters that are in good agreement for both methods and, thus, to obtain the final stellar parameters. A detailed analysis of outliers was carried out to ensure a robust determination of the parameters. The results were then combined with Gaia DR2 data to compare the seismic logg with a parallax-based logg and to investigate instances of variations in the velocity and possible binaries within the dataset.
Results. This analysis produced a high-quality catalogue of stellar parameters for 90 red giant stars from K2@Gaia-ESO that were determined through iterations between spectroscopy and asteroseismology. We compared the seismic gravities with those based on Gaia parallaxes to find an offset which is similar to other studies that have used asteroseismology. Our catalogue also includes spectroscopic chemical abundances and radial velocities, as well as indicators for possible binary detections.

Abstract Copyright: © ESO 2020

Journal keyword(s): catalogs - stars: fundamental parameters - stars: abundances - techniques: spectroscopic - asteroseismology

VizieR on-line data: <Available at CDS (J/A+A/643/A83): tableb1.dat tableb2.dat>

Simbad objects: 93

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Number of rows : 93
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023 		#notes
1 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 559 0
2 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2261 0
3 * 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 2283 0
4 UCAC4 390-136422 * 21 56 36.0801158764 -12 02 42.327392240   13.685 12.755 12.502   ~ 2 0
5 UCAC4 390-136504 * 21 58 52.3622775944 -12 01 29.691120341   14.638 13.697 13.571   ~ 2 0
6 UCAC4 391-132278 * 21 59 08.8742962065 -11 59 07.838141868   13.090 12.018 11.811   ~ 4 0
7 UCAC4 390-136551 * 22 00 07.9287872616 -12 03 41.277247106   13.271 12.632 12.572   ~ 3 0
8 UCAC4 410-141858 * 22 00 32.9132204391 -08 08 59.377346789   14.831 13.895 13.783   ~ 1 0
9 UCAC4 392-127799 * 22 01 32.8687227962 -11 40 35.980224723   15.317 14.367 14.248   ~ 1 0
10 UCAC4 392-127803 * 22 01 33.6919866342 -11 41 24.499238837   13.656 12.607 12.466   ~ 4 0
11 UCAC4 405-133684 * 22 01 39.4468358760 -09 09 22.678862220   12.874 11.737 11.506   ~ 5 0
12 UCAC4 405-133686 * 22 01 40.4519101632 -09 00 08.006432580   14.408 13.493 13.341   ~ 3 0
13 UCAC4 391-132373 * 22 01 55.0615646611 -11 53 02.137451370   12.747 11.735 11.564   ~ 3 0
14 TYC 5805-1216-1 * 22 02 18.4846703832 -11 39 14.332567392   12.564 11.374     ~ 8 0
15 UCAC4 405-133737 * 22 02 57.5525003689 -09 11 54.669846934   15.235 14.279 14.070   ~ 2 0
16 UCAC4 411-134828 * 22 03 15.4107133940 -07 53 43.286463873   14.265 13.271 13.085   ~ 2 0
17 BD-09 5904 * 22 03 22.0554197232 -08 29 14.693123364   11.115 10.203 9.61 9.351 ~ 13 0
18 UCAC4 411-134834 * 22 03 22.1124304934 -07 55 47.490266074   15.080 14.162 14.098   ~ 2 0
19 UCAC4 411-134838 * 22 03 23.0499087727 -07 54 10.839047776   14.607 13.504 13.334   ~ 3 0
20 UCAC2 26584082 * 22 03 36.8441529000 -14 49 36.495026796   13.010 11.994 11.79 10.95 ~ 7 0
21 UCAC4 409-137678 Pe* 22 03 41.7908941617 -08 15 42.123872535   14.418 13.590 13.465   ~ 2 0
22 TYC 5808-534-1 * 22 03 52.2874084200 -14 57 03.782863764   12.20 11.39     ~ 3 0
23 UCAC4 407-136495 * 22 05 07.6350775169 -08 40 47.161720769   13.457 12.601 12.463   ~ 3 0
24 TYC 5802-914-1 * 22 05 21.1406119920 -08 48 00.194190984   12.998 11.986     ~ 8 0
25 TYC 5802-664-1 * 22 05 25.4888136360 -08 54 43.643856348   12.192 11.182     ~ 8 0
26 UCAC4 407-136519 * 22 05 51.4840922328 -08 40 02.713234152   13.711 12.697 12.522 11.583 ~ 16 0
27 HD 209834 * 22 06 20.7349394760 -08 09 07.739694900   11.173 10.079     G8/K1 10 0
28 UCAC4 373-185973 * 22 06 34.2312035808 -15 30 03.752391132   14.208 13.114 12.893   ~ 2 0
29 UCAC4 375-181223 Pe* 22 06 51.1252682962 -15 04 57.807987140   13.543 12.675 12.561   ~ 3 0
30 UCAC4 396-133286 * 22 07 08.3081867838 -10 50 22.431716511   14.501 13.497 13.289   ~ 3 0
31 UCAC4 378-173055 * 22 07 14.2654349751 -14 31 38.970722451   14.175 13.129 12.893   ~ 2 0
32 UCAC2 26584271 * 22 07 17.4799678392 -14 55 52.317514056   13.070 12.068 11.88 11.00 ~ 10 0
33 TYC 5808-1684-1 * 22 07 27.7068542664 -14 40 39.144091476   12.410 11.305     ~ 7 0
34 UCAC2 26131532 * 22 07 29.5896106368 -15 30 43.823043360   13.125 12.23 12.05 11.23 ~ 9 0
35 UCAC4 396-133315 * 22 07 46.0862005872 -10 55 49.188863424   13.713 12.788 12.616 11.744 ~ 14 0
36 TYC 5806-1496-1 * 22 07 47.2899539496 -10 59 40.462515636   12.295 11.180     ~ 7 0
37 BD-16 6028 * 22 07 56.0589713952 -15 35 08.107420920   12.054 10.936     ~ 8 0
38 UCAC4 373-186036 * 22 08 25.6566401841 -15 32 38.286904405     13.599 13.521   ~ 2 0
39 TYC 5803-1676-1 * 22 08 36.2390865936 -09 48 55.308356496   12.41 10.96     ~ 4 0
40 TYC 5230-906-1 * 22 08 58.5064960656 -06 08 20.481598464   11.960 10.903     ~ 8 0
41 TYC 5803-1805-1 * 22 09 11.7909115032 -09 44 32.842847940   11.97 11.34     ~ 7 0
42 HD 210276 * 22 09 24.1705448472 -06 10 47.074722384   10.692 9.609     K0III 10 0
43 UCAC4 419-145914 * 22 09 28.8472536816 -06 17 51.411217992   12.809 11.779 11.544   ~ 6 0
44 UCAC4 396-133401 * 22 09 45.0534511597 -10 51 02.993942656   14.104 12.816 12.601   ~ 5 0
45 HD 210409 * 22 10 21.9447590640 -09 23 15.894287700   9.090 8.07     G8/K0III 15 0
46 UCAC4 393-133263 * 22 10 40.6085501240 -11 25 28.342755460   12.803 11.621 11.467   ~ 2 0
47 UCAC4 394-126827 * 22 10 50.1591115421 -11 19 13.382562307   14.714 13.752 13.666   ~ 3 0
48 UCAC4 401-130308 * 22 10 53.7308533016 -09 56 59.672344525   13.719 12.703 12.595   ~ 2 0
49 UCAC4 413-145980 * 22 11 40.9332187608 -07 27 54.325042811   14.502 13.555 13.454   ~ 2 0
50 UCAC4 401-130355 * 22 11 45.5864733912 -09 57 43.300107252   12.852 11.888 11.792   ~ 3 0
51 UCAC4 393-133293 * 22 11 46.7955139329 -11 26 47.556472747     14.266 14.242   ~ 2 0
52 UCAC4 414-141629 * 22 12 07.1139567736 -07 19 22.460377930   14.370 13.411 13.305   ~ 2 0
53 UCAC2 29382822 * 22 12 27.2873419296 -07 19 01.145993556   13.418 12.167 11.93 10.88 ~ 9 0
54 UCAC4 417-147092 * 22 12 57.4090096418 -06 47 49.777746252   14.722 13.567 13.406   ~ 2 0
55 UCAC4 416-149799 * 22 13 05.8087960790 -06 58 57.510218216   13.890 12.665 12.485   ~ 2 0
56 UCAC4 416-149811 * 22 13 20.2440260075 -06 56 01.110842018   14.579 13.539 13.498   ~ 2 0
57 UCAC2 29756867 * 22 15 30.4352344440 -06 17 29.122326924   12.685 11.737 11.66 10.70 ~ 8 0
58 UCAC4 418-152295 * 22 15 48.3746951736 -06 28 15.384040932   13.01 12.521 12.420 11.407 ~ 7 0
59 UCAC2 27015438 * 22 17 22.6089493968 -13 46 13.378986300   12.890 11.966 11.80 10.95 ~ 7 0
60 UCAC4 368-189401 * 22 17 27.2348201941 -16 33 03.717331017   13.295 12.267 12.103   ~ 3 0
61 UCAC2 27015460 * 22 17 44.0584053600 -13 38 28.537208484   12.920 11.964 11.80 10.91 ~ 9 0
62 TYC 5810-1419-1 * 22 17 52.6773020568 -13 44 26.809985328   12.15 11.02     ~ 7 0
63 TYC 5810-607-1 * 22 18 27.1874749776 -12 52 46.488746280   12.28 10.97     ~ 4 0
64 UCAC4 386-151173 Pe* 22 18 50.3826161790 -12 57 58.779147231   12.811 11.614 11.335   ~ 3 0
65 TYC 5810-181-1 * 22 19 52.1647281240 -12 34 59.323832364   12.19 11.28     ~ 4 0
66 UCAC2 27402020 * 22 20 46.3497325248 -12 45 07.428720024   12.751 11.724 11.53 10.64 ~ 9 0
67 UCAC4 430-119390 * 22 22 32.7422735234 -04 04 31.901377105   15.078 13.898 13.906   ~ 2 0
68 UCAC4 379-164888 * 22 23 50.0173267440 -14 22 41.689200108   13.929 12.787 12.468   ~ 3 0
69 HD 212370 * 22 23 56.7610276224 -14 28 41.542724388   10.82 9.77     K0/1III 10 0
70 UCAC4 378-173619 * 22 24 34.2310225032 -14 30 03.295760940   12.581 11.347 11.084   ~ 4 0
71 HD 212520 * 22 25 05.0612984664 -13 41 41.426047968   10.74 9.63     G8/K0III 6 0
72 UCAC4 380-166863 * 22 25 12.4656997527 -14 11 45.015395570   14.306 13.369 13.262   ~ 1 0
73 TYC 5810-1267-1 * 22 25 40.7045579016 -14 31 27.643084608   11.49 10.58     ~ 7 0
74 UCAC4 378-173674 * 22 26 18.6199170026 -14 30 58.251441459   15.071 14.066 13.812   ~ 1 0
75 UCAC4 378-173699 * 22 26 50.6267549136 -14 26 01.673868480   14.047 13.150 12.922   ~ 14 0
76 UCAC4 412-134038 SB* 22 27 17.9413882396 -07 47 33.405726140   13.506 12.503 12.350   ~ 3 0
77 UCAC4 408-143697 * 22 27 46.9063296731 -08 25 37.695440197   14.290 13.056 12.778   ~ 1 0
78 UCAC4 418-152804 * 22 29 13.4867087808 -06 26 00.834758664       13.177   ~ 3 0
79 BD-08 5880 * 22 29 17.5570685184 -08 06 28.628705160   11.296 10.246     ~ 7 0
80 UCAC4 414-142204 * 22 29 24.4658101417 -07 14 43.047400531   14.034 12.993 12.852   ~ 2 0
81 TYC 5232-52-1 * 22 29 29.6982340512 -07 13 34.723399368   12.165 11.104 10.23 10.054 ~ 12 0
82 TYC 5239-304-1 * 22 34 20.6838510840 -05 20 34.810371780   12.668 11.609     ~ 8 0
83 BD-06 6020 * 22 34 27.7110034776 -05 22 50.096770140   11.884 10.768 9.86   ~ 12 0
84 TYC 5239-714-1 * 22 34 48.0065148864 -05 16 21.358419024   11.94 11.23     ~ 4 0
85 UCAC4 424-132468 * 22 35 12.7095230885 -05 19 47.300379284       13.425   ~ 1 0
86 TYC 5239-1296-1 * 22 35 41.6985076296 -05 43 25.004313120   11.921 10.852     ~ 8 0
87 UCAC4 422-136413 * 22 36 29.4471219408 -05 40 12.264654180       12.059   ~ 4 0
88 UCAC4 420-147661 * 22 37 07.2415264500 -06 05 46.069562137       13.942   ~ 1 0
89 TYC 6386-127-1 * 22 37 08.1021379680 -15 14 26.411812800   12.696 11.561     ~ 7 0
90 BD-16 6119 * 22 37 33.9178038144 -15 21 21.371636520   11.73 10.75 10.743   ~ 7 0
91 HD 214403 * 22 37 54.1284186096 -06 04 25.624862760   10.63 9.46     K0/1(III) 7 0
92 UCAC2 26361369 * 22 39 03.9550690920 -15 00 41.986828692   13.833 12.663 12.56 11.49 ~ 9 0
93 BD-15 6255 * 22 39 12.9067078152 -15 02 19.580454024   11.073 10.065     ~ 9 0

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2023.06.03-00:07:53

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