2002AJ....124.3299M

Query : 2002AJ....124.3299M

2002AJ....124.3299M - Astron. J., 124, 3299-3304 (2002/December-0)

Computing the parallax of the Pleiades from the Hipparcos intermediate astrometry data: an alternative approach.

MAKAROV V.V.

Abstract (from CDS):

The inconsistency between the mean parallax of the Pleidaes open cluster from the Hipparcos catalog and that obtained from the stellar evolution theory and photometric measurements is probed by recomputing the Hipparcos data in a different way that reduces the propagation of the along-scan attitude errors. This is achieved by coupling observations of stars made nearly simultaneously in the two separate fields of view of the telescope. A direct calculation of astrometric quantities of 54 Pleiades members by the new method, based on the Intermediate Astrometry Data, provides a correction of -0.71±0.14 mas to the weighted mean parallax of the cluster. The mean corrected parallax of the Pleiades is 7.75±0.20 mas.

Abstract Copyright: ∼

Journal keyword(s): Astrometry - Galaxy: Open Clusters and Associations: Individual: Name: Pleiades - Stars: Distances

Simbad objects: 55

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Number of rows : 55
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 HD 21510 PM* 03 28 56.7025857384 +26 18 31.071524760   8.71 8.40     kA7hA9mF1(III) 36 0
2 HD 21744 PM* 03 31 15.9519484320 +25 15 19.675231416 8.450 8.360 8.130     A3 49 0
3 BD+21 474 PM* 03 31 28.3427505360 +21 49 18.889358520 9.250 9.280 8.880     F2 36 0
4 HIP 16635 * 03 34 01.8073266360 +24 52 51.255200280   11.587 10.869   10.101 ~ 52 0
5 BD+23 472 PM* 03 34 07.3108208088 +24 20 40.002743148 10.06 10.043 9.556 9.06 8.945 F5 68 0
6 HIP 16753 PM* 03 35 31.6939803768 +22 49 24.907655964   10.375 9.858 9.74 9.241 ~ 66 0
7 BD+22 521 Er* 03 38 22.5789859715 +22 29 58.842047315   10.607 10.065 9.81 9.420 F8 80 0
8 HD 22578 * 03 38 40.7208105672 +22 39 34.600390848   6.685 6.702     A0 65 0
9 HIP 17020 Y*O 03 38 56.8648730744 +24 34 11.314278699   11.180 10.578 10.469 9.794 ~ 67 0
10 HD 22614 PM* 03 39 06.7235985096 +24 42 10.326988836   7.13 7.09     A0 68 0
11 HD 22637 SB* 03 39 13.2020754912 +21 50 35.688616584   7.34 7.26     A0V 56 0
12 BD+23 486 * 03 39 13.4727817416 +24 27 59.481228720   10.941 10.340 9.93 9.638 ~ 74 0
13 HD 22680 * 03 39 41.1749131870 +23 17 27.172715860   10.447 9.930 9.55 9.294 G 76 0
14 BD+27 545 * 03 40 03.0822433056 +27 44 25.850099760   10.073 9.573 9.45 9.021 F5 51 0
15 HD 22887 PM* 03 41 22.9672095647 +23 29 12.970598115   9.69 9.27 9.26   F5 68 0
16 BD+25 591 Y*O 03 41 36.1649681928 +25 37 09.567763356   10.621 10.064 9.72 9.373 ~ 60 0
17 HD 22977 * 03 42 04.7237775216 +22 51 30.804415524   9.55 9.16     F8 60 0
18 BD+21 504 PM* 03 42 23.9947567377 +21 28 24.566061110 10.44 10.371 9.841 9.38 9.213 G0 72 0
19 BD+21 503 * 03 42 24.0244730491 +22 25 16.099571020   10.968 10.345 10.00 9.600 ~ 56 0
20 HD 23028 * 03 42 29.8683819432 +20 08 59.966730204   8.74 8.39     A2 41 0
21 HD 23157 ** 03 43 41.5325750160 +23 38 56.977320660   8.25 7.95     A5V 99 0
22 HD 23290 * 03 44 44.8533746280 +20 44 52.751488056   9.07 8.73     F5 49 0
23 * 16 Tau V* 03 44 48.2149362048 +24 17 22.083331452 5.09 5.42 5.46 5.42 5.47 B7V 272 0
24 HD 23289 * 03 44 51.2354703456 +23 16 08.116761576   9.33 9.01   8.37 F3V 135 0
25 * 17 Tau Be* 03 44 52.5370897890 +24 06 48.016260072 3.19 3.59 3.70 3.71 3.80 B6IIIe 415 1
26 HD 23312 * 03 44 58.9224442064 +22 01 56.827147555 10.00 9.946 9.449 9.05 8.880 F5 73 0
27 * 18 Tau PM* 03 45 09.7401340368 +24 50 21.343198416 5.21 5.57 5.64 5.61 5.68 B8V 293 0
28 * q Tau SB* 03 45 12.4999931614 +24 28 02.185543730 3.73 4.19 4.30 4.30 4.40 B6IV 288 0
29 HD 23336 PM* 03 45 27.5401636560 +28 40 07.327761420   7.53 7.40     A2 35 0
30 HD 23388 PM* 03 45 31.9882000608 +21 14 48.093461448   7.92 7.74     A3 61 0
31 * 20 Tau PM* 03 45 49.6081548365 +24 22 03.877565838 3.40 3.80 3.87 3.85 3.90 B7III 451 1
32 * 21 Tau PM* 03 45 54.4764507648 +24 33 16.235698248 5.49 5.72 5.76 5.71 5.74 B8V 234 0
33 HD 23430 * 03 45 59.1396677304 +25 23 54.931179624   8.25 8.05     A0 81 0
34 * 22 Tau ** 03 46 02.9003257344 +24 31 40.428415632   6.402 6.421   6.41 A0Vn 183 0
35 * 23 Tau Be* 03 46 19.5858871361 +23 56 54.092177220 3.70 4.12 4.18   4.16 B6IV(e) 446 2
36 HD 23488 SB* 03 46 34.8316416624 +25 50 37.898905920   9.03 8.72     kA4hA6mA8 38 0
37 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
38 HD 23568 ** 03 46 59.3943532032 +24 31 12.448365564   6.83 6.82   6.76 B9.5V 165 0
39 HD 23632 * 03 47 20.9688302904 +23 48 12.036277512   7.04 7.02   7.01 A1V 138 0
40 * eta Tau Be* 03 47 29.0765529 +24 06 18.488347 2.44 2.78 2.87 2.84 2.88 B7III 557 1
41 V* V1229 Tau SB* 03 47 29.4536404848 +24 17 18.019635504   6.87 6.81   6.74 A0VpSi+Am 225 0
42 HD 23664 * 03 47 46.8353490240 +25 23 08.508918516   8.55 8.30     A2 70 0
43 HD 23753 PM* 03 48 20.8167826752 +23 25 16.495877028 5.06 5.38 5.45 5.42 5.48 B8V 194 0
44 HD 23763 * 03 48 30.0969016008 +24 20 43.894342464   7.08 6.96   6.79 A2V 136 0
45 * 28 Tau Be* 03 49 11.2165977912 +24 08 12.156712008 4.73 5.01 5.09   5.08 B8Vne 494 0
46 HD 23873 * 03 49 21.7502453688 +24 22 51.434157000   6.563 6.586   6.57 B9.5V 155 0
47 HD 23913 * 03 49 38.1801263880 +22 32 00.541350276   7.03 7.00     B9 72 0
48 HD 23923 * 03 49 43.5315887616 +23 42 42.667696476   6.104 6.153   6.18 B8.5V 173 0
49 HD 24076 * 03 50 52.4294239848 +23 57 41.294242296   7.02 6.92   6.81 A2V 94 0
50 HD 24132 * 03 51 27.2143557432 +24 31 07.142738880 9.3 9.24 8.84 8.49 8.40 F2Vn 103 0
51 BD+19 605 * 03 52 00.8082635160 +19 35 48.722325648   11.104 10.476 9.91 9.727 ~ 47 0
52 HD 24302 * 03 52 53.4784193568 +24 42 56.632627296 9.91 9.90 9.48 9.01 8.7 F8 80 0
53 HD 24711 * 03 56 28.1224880688 +23 09 00.994817844   8.59 8.33     A0 60 0
54 BD+20 672 PM* 03 58 01.6925308248 +20 40 36.472584180   9.831 9.380 9.04 8.802 F8 41 0
55 BD+22 624 * 04 03 44.1708867240 +22 56 39.424007724   10.269 9.726 9.34 8.986 F5 59 0

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