2008AJ....136.2483A

Query : 2008AJ....136.2483A

2008AJ....136.2483A - Astron. J., 136, 2483-2492 (2008/December-0)

A survey for a coeval, comoving group associated with HD 141569.

AARNIO A.N., WEINBERGER A.J., STASSUN K.G., MAMAJEK E.E. and JAMES D.J.

Abstract (from CDS):

We present the results of a search for a young stellar moving group associated with the star HD 141569–a nearby, isolated Herbig AeBe primary member of a 5±3 Myr-old triple star system on the outskirts of the Sco-Cen complex. Our spectroscopic survey identified a population of 21 Li-rich, ≲ 30 Myr-old stars within 30° of HD 141569 which possess similar proper motions with the star. The spatial distribution of these Li-rich stars, however, is not suggestive of a moving group associated with the HD 141569 triplet, but rather this sample appears cospatial with Upper Scorpius (US) and Upper Centaurus Lupus (UCL). We apply a modified moving cluster parallax method to compare the kinematics of these youthful stars with those of the US and UCL. Eight new potential members of US and five new potential members of UCL are identified. A substantial moving group with an identifiable nucleus within 15° (∼ 30 pc) of HD 141569 is not found in this sample. Evidently, the HD 141569 system formed ∼ 5 Myr ago in relative isolation, tens of parsecs away from the recent sites of star formation in the Ophiucus-Scorpius-Centaurus region.

Abstract Copyright: ∼

Journal keyword(s): open clusters and associations: individual: HD 141569 - stars: evolution - stars: individual: HD 141569 - stars: kinematics - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/AJ/136/2483): table1.dat table2.dat table3.dat>

Simbad objects: 81

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Number of rows : 81
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 BD+00 4 RG* 00 08 06.7771795752 +00 57 03.437895240   11.862 10.411     M0.0III 18 0
2 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 2087 1
3 IC 2391 OpC 08 41 17.5 -53 03 00           ~ 871 0
4 * eta Cha Pu* 08 41 19.5125857944 -78 57 48.105898056 5.02 5.351 5.453     B8V 246 0
5 HD 80170 * 09 16 57.0762015552 -39 24 05.536849500   6.473 5.304     K2III 75 0
6 IC 2602 OpC 10 42 55.9 -64 25 22           ~ 735 0
7 V* TW Hya TT* 11 01 51.9053285064 -34 42 17.033218380   11.94 10.50 10.626 9.18 K6Ve 2144 1
8 NAME TW Hya Association As* 11 01.9 -34 42           ~ 1018 0
9 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 973 0
10 * eps Cha ** 11 59 37.57634 -78 13 18.6179           B9V(n) 111 0
11 V* DX Cha Ae* 12 00 05.0868602544 -78 11 34.565724312   6.81 6.60     A4V 365 0
12 NAME Lower Centaurus Crux As* 12 19 -57.1           ~ 565 1
13 HD 109524 SB* 12 35 33.5522235768 -34 52 54.903893268 9.758 8.89 7.844 7.229 6.713 K3.5Vk: 49 1
14 HD 109573 TT* 12 36 01.0317461592 -39 52 10.220465388   5.786 5.774   5.81 A0V 684 1
15 ASAS J140606-1810.4 Ro* 14 06 06.4792644360 -18 10 37.324147008   11.46 10.95 10.53 9.916 ~ 4 0
16 * 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 2417 1
17 TYC 909-125-1 SB* 14 19 33.6968432208 +08 38 09.644034804   11.36 10.78     ~ 4 0
18 CD-30 12033 Y*O 15 12 44.4722768616 -31 16 48.240540156   12.84 11.530   10.278 K2Ve 15 1
19 V* V436 Ser BY* 15 23 46.1124624648 -00 44 24.721901592   12.27 11.13 10.78 9.605 K1e 19 1
20 NAME Upper Centaurus Lupus MGr 15 24 -41.9           ~ 567 1
21 HD 137396 * 15 26 05.9144801856 -11 41 55.688686764   8.86 8.45     F2/3IV/V 22 0
22 TYC 5003-138-1 V*? 15 26 52.7304123240 -00 53 11.799898548   12.60 11.39   10.10 ~ 6 0
23 BD-02 3998 * 15 27 42.6379438896 -02 45 18.603755856   11.148 10.531     G0 23 0
24 HD 138969 * 15 35 47.4111460272 -12 51 32.936717736   9.58 9.03     G1V 16 0
25 CD-30 12396 TT* 15 37 51.3419994672 -30 45 16.047499572   12.50 11.47     K2Ve 11 0
26 ASAS J153801+1134.6 SB* 15 38 00.9340133904 +11 34 57.384093072   12.04 10.897 10.3 9.776 ~ 7 0
27 CD-24 12231 Or* 15 41 31.2136894680 -25 20 36.316420188   10.75 9.94     G9IVe 30 0
28 HD 140574 * 15 44 26.2945930536 -03 50 18.465340272   8.85 8.46     A9V 24 0
29 CD-28 11578 TT* 15 48 02.9241919992 -29 08 36.999862764   11.56 10.78   9.861 G9IV 24 0
30 V* V474 Ser RS* 15 48 40.9406293128 -03 10 44.217547788   11.73 10.78 10.21   ~ 5 1
31 HD 141569 Or* 15 49 57.7482550392 -03 55 16.341617064 7.22 7.20 7.12 7.00 7.04 A2VekB9mB9(_lB) 578 0
32 HD 141612 * 15 50 11.3546696568 -06 32 14.575936416   10.69 9.91     G5V 18 0
33 HD 141693 * 15 50 11.8604511912 +05 57 17.182977948   7.24 7.11     A0 16 0
34 HD 141813 Ro* 15 51 54.3941203488 -26 22 05.492011980   10.06 9.517   8.727 G8/K2III+F/G 22 0
35 HD 142016 PM* 15 53 12.9803459352 -30 46 43.961104056   7.42 7.24     A4IV/V 12 0
36 HD 142987 Y*O 15 58 20.5545448848 -18 37 25.134840012   11.05 10.23     G3/6 26 0
37 TYC 6191-552-1 TT* 15 58 47.7201616872 -17 57 59.699522340   13.34 12.09 11.68 10.41 K5 58 0
38 HD 143332 * 16 00 02.6491118976 -07 07 21.674979876   8.52 7.96     F5V 32 0
39 HD 143358 Or* 16 01 07.9270087608 -32 54 52.527198420   10.32 9.647   8.911 G1V 28 0
40 HD 143810 * 16 02 47.4661976328 -10 37 56.740467648   10.670 10.143     F5/6V 27 0
41 NAME Lupus Complex SFR 16 03 -38.1           ~ 851 0
42 CD-31 12522 TT* 16 04 30.5576942544 -32 07 28.675218612 12.19 11.61 10.76 10.36 9.84 K2e 27 0
43 HD 144393 * 16 06 06.4666727232 -12 18 15.216367896   9.04 8.49     F7/8V 30 0
44 HD 144726 * 16 07 44.9066266224 -11 55 13.132070148   9.02 8.52     F5V 27 0
45 HD 144713 Ro* 16 08 05.2219779464 -24 55 33.239167559   9.82 9.22   8.42 F3/5V 31 0
46 HD 144732 Er* 16 08 26.3150747952 -28 25 49.273149864   10.41 9.84     G0V 12 0
47 HD 145169 * 16 09 50.8050979104 -11 07 56.477259300   8.96 8.35     G3V 25 0
48 BD+01 3172 * 16 11 44.5742808240 +00 47 38.601241764   10.383 9.62     K0 18 0
49 HD 145551 * 16 11 56.9303746176 -10 37 20.352703260   9.45 8.88     F5/6V 18 0
50 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
51 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
52 CD-22 11502 TT* 16 19 33.9664198296 -22 28 29.466255036   12.72 11.312   10.065 K1IV 45 0
53 BD+04 3158 RS* 16 19 59.9774684952 +04 36 46.267327980   11.32 10.30 10.01 9.115 K2 9 1
54 BD-06 4414 EB* 16 22 17.8690192920 -06 23 03.864665436   10.96 10.05     CEMP 7 0
55 CD-28 12088 Ro* 16 23 46.9818540960 -28 50 02.392289844   11.93 10.947   9.916 G8IV 25 0
56 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
57 HD 148396 ** 16 28 51.383 -30 16 55.96   10.1 9.6     K1/2+F 11 0
58 BD-21 4369 Or* 16 29 48.6927879432 -21 52 11.928822636   12.54 11.315   9.740 K2IVe 53 0
59 CD-27 10964 Or* 16 29 49.9191633528 -27 28 49.912116240   12.23 11.045   9.966 K1V(e) 26 0
60 HD 148982 * 16 32 50.8806529920 -28 20 39.884927496   10.55 10.00     F7 18 0
61 CD-30 13383 Or* 16 42 07.7233091280 -30 38 37.837311864   11.31 10.40     G8V 19 0
62 CD-27 11188 Ro* 16 49 35.9912065320 -27 28 07.792129272   11.33 10.573   9.557 K0Ve 8 0
63 HD 153439 ** 17 00 42.9612 -27 25 17.550   9.71 9.08     G0IV 8 0
64 ASAS J170157+0733.4 EB* 17 01 57.5417068896 +07 33 32.358668904   12.49 12.01   10.831 ~ 5 0
65 CD-25 11942 Ro* 17 06 01.1970162528 -25 20 30.430104468   10.66 9.76   8.809 K0IV 10 0
66 HD 154922 * 17 09 07.5208234944 -18 15 22.781591100   8.83 8.49     A7III 7 0
67 TYC 6242-104-1 * 17 21 55.9905051384 -20 10 53.461484724   12.821 11.608 12.02 9.698 K5Ve 8 0
68 GSC 06242-00004 ** 17 21 56.635920 -20 10 48.92304   13.28 12.04 12.43   M1Ve 3 0
69 HD 157310 * 17 22 23.4772549656 +04 45 24.820062336   10.10 9.81     A7II/III 8 0
70 BD+04 3405B * 17 22 23.5088303196 +04 45 13.229569417     10.8     ~ 4 0
71 RX J1726.9-1631 ** 17 26 56.612472 -16 31 34.42800   12.314 11.43 10.37 9.489 K4Ve 8 0
72 2MASS J17405546-1216276 Y*? 17 40 55.4657909592 -12 16 27.659337132   12.44 11.82 11.425 10.45 ~ 2 0
73 * 70 Oph SB* 18 05 27.28518 +02 30 00.3558 5.40 4.89 4.03 3.38 2.92 K0-V 679 0
74 NAME Aql Rift DNe 18 32 -01.0           ~ 355 1
75 HD 177178 PM* 19 03 32.2462397760 +01 49 07.443780204   5.991 5.815     A4IV/V 65 0
76 HD 184467 SB* 19 31 07.9663576561 +58 35 09.604190291 7.95 7.47 6.60 6.13   K2V 170 0
77 * 16 Cyg ** 19 41 49.09 +50 31 31.6           ~ 166 0
78 * omi Aql PM* 19 51 01.6436960928 +10 24 56.592457524   5.66   4.8   F8V 481 0
79 * ome Sgr SB* 19 55 50.3625499909 -26 17 57.693299065   5.45 4.70     G5IV 146 0
80 HD 209290 PM* 22 02 10.2750978279 +01 24 00.832158070 11.838 10.616 9.146 8.213 7.245 M0.5V 285 0
81 NAME Osca As* ~ ~           ~ 9 0

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