1999A&A...352..574B

Query : 1999A&A...352..574B

1999A&A...352..574B - Astronomy and Astrophysics, volume 352574-586 (1999/12-2)

Revisiting Hipparcos data for pre-main sequence stars.

BERTOUT C., ROBICHON N. and ARENOU F.

Abstract (from CDS):

We cross-correlate the Herbig & Bell and Hipparcos Catalogues in order to extract the results for young stellar objects (YSOs). We compare the distances of individual young stars and the distance of their presumably associated molecular clouds, taking into account post-Hipparcos distances to the relevant associations and using Hipparcos intermediate astrometric data to derive new parallaxes of the pre-main sequence stars based on their grouping. We confirm that YSOs are located in their associated clouds, as anticipated by a large body of work, and discuss reasons which make the individual parallaxes of some YSOs doubtful. We find in particular that the distance of Taurus YSOs as a group is entirely consistent with the molecular cloud distance, although Hipparcos distances of some faint Taurus-Auriga stars must be viewed with caution. We then improve some of the solutions for the binary and multiple pre-main sequence stars. In particular, we confirm three new astrometric young binaries discovered by Hipparcos: RY Tau, UX Ori, and IX Oph.

Abstract Copyright: ∼

Journal keyword(s): stars: distances - stars: formation - stars: pre-main sequence - stars: variables: general

Simbad objects: 105

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Number of rows : 105
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 LDN 1291 DNe 00 42.2 +62 01           ~ 7 0
2 BD+61 154 Ae* 00 43 18.2566590360 +61 54 40.139212716 10.83 11.13 10.60     B8eq 217 1
3 V* XY Per Ae* 03 49 36.3365862552 +38 58 55.548299928 12.12 10.14 9.58 9.54 8.40 A2II+B6 158 0
4 BD+11 533 * 03 52 24.7605074304 +12 22 43.672462392   10.41 9.83     F8 27 0
5 LDN 1449 DNe 03 53.3 +37 39           ~ 17 0
6 HD 284149 TT* 04 06 38.7981157344 +20 18 11.151888084   10.21 9.63     F8 59 0
7 HD 26514 ** 04 12 25.0022002390 +23 34 28.455516348           G6III 31 0
8 NAME [BM89] L1495 PoC 04 14 08.2 +28 09 31           ~ 172 0
9 HD 283447 Or* 04 14 12.9261150912 +28 12 12.359055168 13.17 12.07 10.68 9.45 8.67 K3Ve 445 0
10 LDN 1495W DNe 04 14 33 +28 29.4           ~ 29 0
11 LDN 1495 DNe 04 18.1 +27 37           ~ 408 1
12 V* V410 Tau Or* 04 18 31.1081296680 +28 27 16.155955728   12.13 10.75 8.45 9.408 K3Ve 483 0
13 V* BP Tau Or* 04 19 15.8339827632 +29 06 26.926959492   13.13 12.12 11.89   K5/7Ve 721 0
14 [DB2002b] G169.18-14.88 DNe 04 21.9 +28 32           ~ 10 0
15 V* RY Tau TT* 04 21 57.4092550080 +28 26 35.555316612 10.82 10.34 9.30 9.67 8.87 K1IV/Ve 744 1
16 HD 283572 Or* 04 21 58.8484815456 +28 18 06.512641416   9.80 9.03 9.14   G5IVe 308 0
17 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1456 1
18 V* DF Tau TT* 04 27 02.7932020080 +25 42 22.453341516 11.97 12.25 11.42 10.31 9.14 M3Ve 528 1
19 HD 28150 Y*O 04 27 04.8651639600 +18 12 27.177718608   6.95 6.92     A0 42 0
20 AG+18 339 TT* 04 27 05.9787842904 +18 12 37.200405492   9.09 8.73     G5 37 0
21 * 72 Tau ** 04 27 17.4508287600 +22 59 46.778201592   5.411 5.514     B7V 104 0
22 LDN 1546 DNe 04 28.9 +18 27           ~ 17 0
23 V* UX Tau B TT* 04 30 03.5780086776 +18 13 49.476723060     11.51 13.33   M1Ve 85 0
24 V* UX Tau C TT* 04 30 03.9883041960 +18 13 46.785195012     18.0     M5 52 0
25 V* UX Tau A TT* 04 30 03.9932216088 +18 13 49.469925504   12.92 11.15     K2Ve 386 0
26 V* UX Tau Or* 04 30 03.99626 +18 13 49.4355 11.23 11.84 10.80 9.83 9.05 K2Ve+M1Ve 380 0
27 LDN 1551 DNe 04 31 30.0 +18 12 30           ~ 823 1
28 LDN 1521 DNe 04 33.1 +26 06           ~ 64 0
29 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
30 HD 283798 TT* 04 41 55.1542944840 +26 58 49.419533856   10.21 9.55     G2 55 0
31 HD 30378 * 04 48 22.7433735744 +29 46 22.816381908 7.300 7.450 7.420     B9.5 42 1
32 LDN 1519 DNe 04 55.7 +30 35           ~ 16 0
33 LDN 1517 DNe 04 55 45 +30 33.0           ~ 127 0
34 V* AB Aur Ae* 04 55 45.8458932216 +30 33 04.292077032 7.20 7.16 7.05 6.96 6.70 A0Ve 1176 2
35 V* SU Aur Or* 04 55 59.3866872552 +30 34 01.499608092   10.33 9.30 9.17   G2IIIne 628 0
36 HD 31648 Ae* 04 58 46.2655706952 +29 50 36.987625680 7.84 7.78 7.62 7.76 7.43 A5Vep 612 0
37 V* UX Ori Ae* 05 04 29.9878898040 -03 47 14.286732072 10.25 10.93 8.70 9.62 9.43 A4IVe 379 1
38 LDN 1615 DNe 05 05.5 -03 26           ~ 15 0
39 V* RW Aur TT* 05 07 49.5662483 +30 24 05.177426   10.86 9.60 9.95   K1/5e+K5e 816 0
40 V* CO Ori Or* 05 27 38.3386648 +11 25 38.974625 12.96 12.33 10.30 10.33 9.63 F7Ve 180 0
41 V* AB Dor TT* 05 28 44.8712165880 -65 26 55.199147208 8.259 7.856 6.999 6.496 5.993 K0V 1080 0
42 LDN 1583 DNe 05 28.8 +12 02           ~ 9 0
43 V* GW Ori TT* 05 29 08.3928710640 +11 52 12.666457092   10.83 10.10 9.52   G5/8Ve 382 0
44 HD 36540 ** 05 32 14.8277325720 -04 31 06.193607664 7.71 8.19 8.16     B7IVp 113 1
45 LDN 1640 DNe 05 33 45 -05 41.0           ~ 33 0
46 HD 37061 Or* 05 35 31.3649044920 -05 16 02.582064192 6.44 7.09 6.83     O9.5V 376 0
47 V* CQ Tau Ae* 05 35 58.4666264136 +24 44 54.091450572 11.290 10.780 10.000   8.33 F5IVe 360 0
48 NGC 1999 RNe 05 36 25 -06 42.7   9.5       ~ 102 0
49 BD-06 1253 Ae* 05 36 25.4320468080 -06 42 57.684730284   11.65 10.9 10.29   A1e 450 1
50 V* BF Ori Ae* 05 37 13.2623828280 -06 35 00.568242528 10.37 10.00 9.69 10.06 9.31 A7III 311 0
51 LDN 1641 MoC 05 39.0 -07 00           ~ 502 0
52 HD 37674 * 05 40 13.5394904328 -01 27 45.249257592   7.61 7.68     B5V(n) 65 1
53 V* V901 Ori Ro* 05 40 56.3704617744 -01 30 25.856677224 5.96 6.82 6.96     B2V 354 2
54 HD 38087 Or* 05 43 00.5754723576 -02 18 45.389406240 7.96 8.40 8.29 8.06 7.89 B3II 182 1
55 HD 250550 Ae* 06 01 59.9892055464 +16 30 56.727549864   9.60 9.593 9.64   B9e 254 1
56 LDN 1586 DNe 06 05.9 +16 00           ~ 5 0
57 NGC 2247 RNe 06 33 04.4 +10 19 21   8.5       ~ 70 0
58 HD 259431 Ae* 06 33 05.1906369144 +10 19 19.982565336 8.39 8.95 8.72     B6ep 299 1
59 V* Z CMa Ae* 07 03 43.1599411656 -11 33 06.209065836 10.51 9.99 8.80     B5/8eq+F5/7 601 3
60 LDN 1657 DNe 07 04.1 -10 27           ~ 16 0
61 CG 1 CGb 07 19 21.5 -44 35 03           ~ 40 1
62 CD-44 3318 Ae* 07 19 28.2886716751 -44 35 11.235575735   10.47 9.99     A1e/F2IIIe 131 0
63 Hen 3-545 Or* 10 59 06.9715593000 -77 01 40.309233240   12.91 11.136   9.596 K4Ve 237 0
64 V* TW Hya TT* 11 01 51.9053285064 -34 42 17.033218380   11.94 10.50 10.626 9.18 K6Ve 2144 1
65 HD 96675 Or* 11 05 57.8105960448 -76 07 48.884316960   7.82 7.68   8.48 B5V 88 0
66 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1266 1
67 V* DI Cha Or* 11 07 20.7276076008 -77 38 07.308086352   12.02 10.74 10.72   G2Ve 190 0
68 HD 97048 Ae* 11 08 03.3109731720 -77 39 17.490777444 9.03 8.76 9.00   8.64 A0Vep 590 0
69 HD 97300 Ae* 11 09 50.0199904704 -76 36 47.718191232   9.41 9.20   8.82 B9V 190 1
70 V* CV Cha Or* 11 12 27.7055693328 -76 44 22.302807396   12.02 10.98 10.51 9.76 G9Ve 216 1
71 V* CW Cha Or* 11 12 30.9285677040 -76 44 24.000940464   15.75 14.45 15.19 13.60 ~ 69 1
72 HD 98800 TT* 11 22 05.28975 -24 46 39.7571   10.20 9.28 9.26 7.386 K5V(e) 401 0
73 HD 102065 Y*O 11 43 36.9451657872 -80 29 00.511110852   6.67 6.61     B9IV 69 0
74 CD-36 7429A TT* 11 48 24.2227406904 -37 28 49.114270524   12.54 11.17 10.92 9.552 K5V 145 0
75 CD-36 7429 ** 11 48 24.22320 -37 28 49.1537           ~ 98 0
76 [DB2002b] G300.23-16.89 DNe 11 54 31 -79 27.8           ~ 46 1
77 V* T Cha Or* 11 57 13.5245085552 -79 21 31.530508884   10.00 11.86     K0e 304 1
78 V* DX Cha Ae* 12 00 05.0868602544 -78 11 34.565724312   6.81 6.60     A4V 365 0
79 HD 109573 TT* 12 36 01.0317461592 -39 52 10.220465388   5.786 5.774   5.81 A0V 684 1
80 THA 15-12 Or* 15 56 09.2066646912 -37 56 06.126118692   13.12 11.93 11.45   M0e 554 0
81 V* RU Lup TT* 15 56 42.3108692112 -37 49 15.473946900 9.27 10.07 9.60     K7/M0e 528 0
82 Lupus 2 MoC 15 57 08 -37 47.1           ~ 119 1
83 V* RY Lup Or* 15 59 28.3864710696 -40 21 51.249496176   12.62 9.90     G8/K1IV-V 251 0
84 Lupus 4 MoC 16 03 12.4 -42 07 43           ~ 163 0
85 V* V856 Sco Ae* 16 08 34.2870044544 -39 06 18.325711332 7.66 7.41 7.05 6.92   A9V_sh 405 0
86 V* V1027 Sco a2* 16 08 34.5616203192 -39 05 34.278268848   6.552 6.629 6.66   A0/3III 204 0
87 Lupus 3 SFR 16 09.6 -39 03           ~ 348 0
88 LDN 162 DNe 16 49 03 -14 10.7           ~ 21 0
89 EM* AS 209 TT* 16 49 15.3034917000 -14 22 08.643317664   12.62 11.28     K4Ve 494 0
90 V* AK Sco Ae* 16 54 44.8491575376 -36 53 18.566586456 9.80 9.63 9.00     F5V 304 1
91 V* IX Oph Or* 17 09 48.1640810928 -27 16 59.272010256   12.25 11.80     ~ 30 0
92 BD-10 4662A Or* 18 20 22.7419817184 -10 11 13.602587568   12.58 10.99     K5Ve 17 0
93 LDN 405 DNe 18 22.8 -11 28           ~ 3 0
94 NGC 6729 ISM 19 01 46.4 -36 57 40           ~ 61 0
95 V* R CrA Ae* 19 01 53.6764322232 -36 57 08.299341828 12.781 12.651 11.917 11.242 10.412 B5IIIpe 499 2
96 BD+40 4124 Ae* 20 20 28.2413946720 +41 21 51.529070088 11.11 11.36 10.62 10.510   B2Ve 303 0
97 LDN 899 DNe 20 23.7 +42 40           ~ 4 0
98 BD+41 3731 Be* 20 24 15.7159041312 +42 18 01.384401852 9.51 9.89 9.84     B3n 110 1
99 LDN 897 DNe 20 24.7 +42 10           ~ 5 0
100 NGC 7023 OpC 21 01 36.9 +68 09 48           ~ 739 0
101 HD 200775 Ae* 21 01 36.9205762896 +68 09 47.789578836 7.34 7.754 7.427 8.13   B2Ve 582 0
102 BD+46 3471 Ae* 21 52 34.0992801288 +47 13 43.605617340 10.72 10.56 10.15     A0.5IIIer 222 1
103 IC 5146 OpC 21 53 29.3 +47 14 46           ~ 507 2
104 V* DI Cep Or* 22 56 11.5377385392 +58 40 01.773069276   12.01 11.95     G8IVe 141 0
105 EM* MWC 1080 Ae* 23 17 25.5895018656 +60 50 43.444557384   13.24 11.85 11.251   B0eq 331 0

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