2017MNRAS.472.2517J

Query : 2017MNRAS.472.2517J

2017MNRAS.472.2517J - Mon. Not. R. Astron. Soc., 472, 2517-2533 (2017/December-2)

Climbing the cosmic ladder with stellar twins in RAVE with Gaia.

JOFRE P., TRAVEN G., HAWKINS K., GILMORE G., SANDERS J.L., MADLER T., STEINMETZ M., KUNDER A., KORDOPATIS G., McMILLAN P., BIENAYME O., BLAND-HAWTHORN J., GIBSON B.K., GREBEL E.K., MUNARI U., NAVARRO J., PARKER Q., REID W., SEABROKE G. and ZWITTER T.

Abstract (from CDS):

We apply the twin method to determine parallaxes to 232 545 stars of the RAVE survey using the parallaxes of Gaia DR1 as a reference. To search for twins in this large data set, we apply the t-student stochastic neighbour embedding projection that distributes the data according to their spectral morphology on a two-dimensional map. From this map, we choose the twin candidates for which we calculate a χ2 to select the best sets of twins. Our results show a competitive performance when compared to other model-dependent methods relying on stellar parameters and isochrones. The power of the method is shown by finding that the accuracy of our results is not significantly affected if the stars are normal or peculiar since the method is model free. We find twins for 60 per cent of the RAVE sample that are not contained in Tycho-Gaia Astrometric Solution (TGAS) or that have TGAS uncertainties that are larger than 20 per cent. We could determine parallaxes with typical errors of 28 per cent. We provide a complementary data set for the RAVE stars not covered by TGAS, or that have TGAS uncertainties which are larger than 20 per cent, with model-free parallaxes scaled to the Gaia measurements.

Abstract Copyright: © Published by Oxford University Press on behalf of The Royal Astronomical Society 2017. This work is written by (a) US Government employee(s) and is in the public domain in the US.

Journal keyword(s): methods: statistical - techniques: spectroscopic - stars: distances - stars: distances

VizieR on-line data: <Available at CDS (J/MNRAS/472/2517): tablea1.dat>

Simbad objects: 84

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Number of rows : 84
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 Cl* Blanco 1 MPJ 351 Ro* 00 01 13.9966485240 -29 25 18.179210244   13.20 12.38     ~ 25 0
2 Cl Blanco 1 OpC 00 03 04.1 -29 48 55           ~ 380 0
3 HD 225099 ** 00 03 25.82607 -29 00 02.3922   9.818 9.544 9.743 9.039 F3V 29 0
4 CTLGM 477 * 00 03 44.1276121752 -31 23 06.163118988     12.21     ~ 5 0
5 CD-30 19815 * 00 04 33.1684162920 -29 38 28.042627740   11.576 11.055     F6-8 40 0
6 Cl* Blanco 1 MPJ 359 ** 00 04 54.104136 -29 09 10.90908   13.74 12.77 12.64   ~ 9 0
7 CD-31 26 * 00 09 29.1861090408 -30 42 45.290306340   11.229 10.736     ~ 10 0
8 HD 23289 * 03 44 51.2354703456 +23 16 08.116761576   9.33 9.01   8.37 F3V 135 0
9 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
10 HD 23511 PM* 03 46 39.3335012425 +24 06 11.531508492   9.75 9.28   8.75 F5V 144 0
11 HD 23610 SB* 03 47 22.8997617600 +22 55 19.586180208   8.41 8.20   7.83 A3/7 78 0
12 HD 23778 ** 03 48 34.7984058048 +24 10 52.199121955   9.54 9.05 9.16 8.45 F4V 77 0
13 Cl Melotte 22 2880 Y*O 03 50 55.0845587305 +24 11 50.781812049   12.61 11.75     ~ 66 0
14 HD 24302 * 03 52 53.4784193568 +24 42 56.632627296 9.91 9.90 9.48 9.01 8.7 F8 80 0
15 HD 27685 SB* 04 22 44.7200401380 +16 47 27.158550607 8.730 8.495 7.821 7.456 7.104 G2 168 0
16 HD 27771 PM* 04 23 32.3332833360 +14 40 13.721568600   9.963 9.097 8.631 8.222 G5 202 0
17 V* V895 Tau BY* 04 24 12.4710867960 +14 45 29.565731196   8.217 7.583 8.43   G0V(e) 237 0
18 HD 285830 Em* 04 27 47.0352816264 +14 25 03.899709120   10.402 9.475 8.966 8.526 K0 155 0
19 HD 28462 PM* 04 29 57.7279752624 +16 40 22.226116800   10.051 9.069 9.12   K1V 173 0
20 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
21 V* V996 Tau BY* 04 32 50.1196981848 +16 00 20.931733080   9.85 8.900 9.02   K0V 124 0
22 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
23 TYC 5980-609-1 * 07 36 43.8495939192 -15 41 33.687046140   12.06 11.81 11.68 11.591 ~ 7 0
24 TYC 5409-2226-1 * 07 37 06.0913633752 -14 03 52.110344700   12.389 11.871 11.05 11.515 ~ 9 0
25 HIP 37083 * 07 37 13.5333493920 -13 52 31.444260204   11.30 11.09 10.99 10.681 ~ 23 0
26 TYC 5422-987-1 * 07 40 32.0963904840 -14 45 00.948518244   12.471 11.997 12.13 11.587 ~ 9 0
27 UCAC2 15453615 * 07 50 58.2058699560 -38 28 32.954271816   13.734 12.495 12.25 11.24 ~ 6 0
28 UCAC2 15223823 * 07 51 34.9553651208 -38 42 10.175508180   13.536 12.097 11.79 10.59 ~ 13 0
29 Cl* NGC 2477 MMU 7349 RB? 07 51 40.2064661208 -38 30 30.139571772   13.868 12.537     ~ 15 0
30 Cl* NGC 2477 MMU 7266 RB? 07 51 49.2109483032 -38 32 08.549475000   13.48 12.290     ~ 20 0
31 NGC 2477 270 RB? 07 52 00.4994544936 -38 28 17.040245556   13.245 12.003     ~ 19 0
32 NGC 2477 644 RB? 07 52 06.4934353392 -38 35 24.931056480   12.968 11.7     ~ 18 0
33 NGC 2477 OpC 07 52 11.4 -38 32 47   6.64 5.8     ~ 314 0
34 CD-38 3753 RB? 07 52 14.8153343424 -38 38 48.899953536   12.798 11.311     ~ 21 0
35 CD-38 3754 RB? 07 52 17.8470598896 -38 33 24.913229976   11.988 10.811     G8II 29 0
36 Cl* NGC 2477 MMU 2036 RB? 07 52 26.8969277304 -38 31 47.185713804   13.387 12.161     ~ 14 0
37 UCAC2 15224416 * 07 52 29.4474593496 -38 56 10.649364180   13.429 12.185 12.02 10.95 ~ 12 0
38 Cl* NGC 2477 MMU 2064 SB* 07 52 40.2702320112 -38 31 47.170231392   13.48 12.3     ~ 16 0
39 UCAC2 15454451 * 07 52 44.7182812224 -38 16 37.584487236   12.43   12.13 11.01 ~ 10 0
40 Cl* NGC 2477 MMU 3170 SB* 07 52 45.1397084904 -38 33 50.078607624   13.595 12.302     ~ 16 0
41 UCAC2 15224785 * 07 53 18.2925921432 -38 33 17.086072968   14.309 12.95 12.61 11.50 ~ 12 0
42 Cl* NGC 2632 JS 146 Ro* 08 36 45.7211129244 +20 07 26.211643713   12.380 11.613     G5.0 55 0
43 Cl* NGC 2632 S 4 Ro* 08 36 48.9611526552 +19 15 26.468169732   11.81 11.33     G5V 38 0
44 Cl* NGC 2632 S 12 Ro* 08 37 11.4889240251 +19 48 13.243562709   12.008 11.286     G 75 0
45 Cl* NGC 2632 JS 212 Ro* 08 38 08.0838379200 +20 26 22.339441163   12.432 11.684     G6.5 58 0
46 Cl* NGC 2632 JS 220 Ro* 08 38 14.9763996707 +20 34 04.157206391   11.89 10.87 11.32   G4.5 54 0
47 K2-100 Ro* 08 38 24.3002838928 +20 06 21.828057218   11.085 10.521     G2 141 0
48 Cl* NGC 2632 JS 247 Ro* 08 38 46.1059354047 +20 34 36.387167234   13.282 12.407     K 50 0
49 Cl* NGC 2632 JS 297 * 08 39 32.0406426120 +20 39 20.326762152     12.02     K2.7 24 0
50 Cl* NGC 2632 S 83 Ro* 08 39 45.7489350539 +19 22 01.145101156   11.257 10.640     G1V 93 0
51 BD+20 2151 * 08 39 55.0637418384 +20 03 54.093757212   10.553 10.098 10.06   F4V 76 0
52 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
53 Cl* NGC 2632 S 138 Ro* 08 40 42.4813583883 +19 33 57.623817270   12.063 11.331     G4V 84 0
54 BD+19 2074 * 08 40 46.0852462728 +19 18 34.560605340   9.967 9.50     F4V 77 0
55 Cl* NGC 2632 S 155 SB* 08 41 10.3080648125 +19 49 07.006491032   12.268 11.495     G6.6 73 0
56 BD+20 2181 Ro* 08 41 25.8429243867 +19 56 36.848107538   11.342 10.687     G0V 91 0
57 BD+20 2180 * 08 41 26.9796859392 +19 32 32.872382844   10.315 9.816     F4V 69 0
58 HD 73937 * 08 41 36.2028203232 +19 08 33.589745304   9.716 9.471     F2V 60 0
59 BD+20 2189 ** 08 42 20.1266735352 +20 02 11.677833168   10.26 9.77     F6V 44 0
60 HD 74135 * 08 42 53.0640303912 +20 49 09.260000436   9.15 8.86     A9III 57 0
61 Cl* NGC 2632 ANM 1471 ** 08 45 13.097088 +19 41 12.79824   11.602 10.848 10.726   G5 28 0
62 Cl* NGC 2682 SAND 618 * 08 50 36.6717443592 +11 48 55.320590340 13.648 13.674 13.028   12.325 G0V 40 0
63 NGC 2682 52 * 08 51 01.5594485424 +11 47 50.212536864 14.237 14.09 13.515   12.802 G1V 43 0
64 NGC 2682 84 HB* 08 51 12.6931158192 +11 52 42.446745336   11.629 10.393 10.234 9.500 K1III 152 0
65 NGC 2682 135 RG* 08 51 21.5640702312 +11 46 06.216394188   12.53 11.394   10.39 K1III 122 0
66 NGC 2682 140 Ro* 08 51 22.0511842656 +11 46 41.010219552 13.811 13.797 13.189 12.834 12.496 ~ 87 0
67 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
68 NGC 2682 191 V* 08 51 34.4472203376 +11 37 57.434874240 13.743 13.777 13.207   12.425 F7V 50 0
69 NGC 2682 192 Pe* 08 51 35.4048721128 +11 57 56.554444188 13.879 13.583 12.817     G2IV 59 0
70 NGC 2682 193 RG* 08 51 35.7789056016 +11 53 34.748492712 13.904 13.22 12.267   11.228 K0III 121 0
71 NGC 2682 218 RG* 08 51 42.3411424776 +11 50 07.677862008   12.71 11.48     K1III 84 0
72 NGC 2682 223 RG* 08 51 43.8874792752 +11 56 42.528745068   11.658 10.476   9.500 K1III 114 0
73 NGC 2682 226 Pe* 08 51 44.0075287632 +11 46 24.535277112 13.749 13.549 12.790   11.928 G0 83 0
74 Cl* NGC 2682 ES II-152 RG* 08 52 10.9715389335 +11 31 49.232248887   12.051 10.911   9.790 G5 84 0
75 BD+11 1933 RG* 08 52 16.5567418104 +11 19 38.229045852   11.341 10.115     ~ 66 0
76 NGC 2682 286 HB* 08 52 18.5744408733 +11 44 26.374152806   11.541 10.382   9.430 K0III 101 0
77 CD-49 11399 * 17 24 33.4011541224 -49 54 56.091318048   11.79 10.44     ~ 29 0
78 CD-49 11401 * 17 24 41.5351328856 -49 59 06.472009932   11.401 10.363     ~ 47 0
79 CD-49 11402 * 17 24 46.7176119264 -49 54 06.987841164   12.027 10.894     ~ 47 0
80 IC 4651 OpC 17 24 48.5 -49 55 23           ~ 374 0
81 IC 4651 29 * 17 24 49.4898016320 -49 57 26.935027812   12.03 10.90     K0III 38 0
82 CD-49 11413 * 17 25 04.2659268888 -49 58 24.720883788   10.0 10.19     G5 33 0
83 IC 4651 131 * 17 25 06.2287424184 -49 59 49.963517628   12.97 12.256     ~ 25 0
84 IC 4651 137 * 17 25 13.2150725040 -49 59 29.431690224   11.27 11.00     K0III 33 0

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