2016A&A...587A..51S

Query : 2016A&A...587A..51S

2016A&A...587A..51S - Astronomy and Astrophysics, volume 587A, 51-51 (2016/3-1)

Overlooked wide companions of nearby F stars.

SCHOLZ R.-D.

Abstract (from CDS):

We checked a sample of 545 F stars within 50pc for wide companions using existing near-infrared and optical sky surveys. Applying the common proper motion (CPM) criterion, we detected wide companion candidates with 6-120 arcsec angular separations by visual inspection of multi-epoch finder charts and by searching in proper motion catalogues. Final proper motions were measured by involving positional measurements from up to eleven surveys. Spectral types of red CPM companions were estimated from their absolute J-band magnitudes based on the Hipparcos distances of the primaries. In addition to about 100 known CPM objects, we found 19 new CPM companions and confirmed 31 previously known candidates. A few CPM objects are still considered as candidates according to their level of proper motion agreement. Among the new objects there are nine M0-M4, eight M5-M6, one ≃L3.5 dwarf (HD3861B), and one white dwarf (WD) (HD2726B), whereas we confirmed two K, 19 M0-M4, six M5-M6, two early-L dwarfs, and two DA WDs as CPM companions. In a few cases, previous spectral types were available that all agree well with our estimates. Two companions (HD22879B and HD49933B) are associated with moderately metal-poor Gaia benchmark stars. One doubtful CPM companion, spectroscopically classified as WD but found to be very bright (J=11.1) by others, should either be a very nearby foreground WD or a different kind of object associated with HD165670.

Abstract Copyright: ∼

Journal keyword(s): proper motions - stars: abundances - binaries: general - stars: low-mass - white dwarfs - solar neighborhood

VizieR on-line data: <Available at CDS (J/A+A/587/A51): tablea1.dat tableb1.dat tablec1.dat notes.dat>

Simbad objects: 106

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Number of rows : 106
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 UCAC3 213-1189 PM* 00 17 48.8802627792 +16 19 39.352844712       15.65   ~ 2 0
2 * 39 Psc PM* 00 17 49.9818930936 +16 19 51.650777064   7.68   6.9   F6V 53 0
3 ** SOZ 4D PM* 00 25 07.3976778864 +48 02 48.210074952           ~ 4 0
4 HD 2057 SB* 00 25 08.7533927840 +48 02 50.650246875 8.270 8.120   7.1   F8 50 0
5 UCAC2 10999323 WD? 00 30 24.2400875760 -48 12 44.919112500       15.85 14.63 ~ 6 0
6 HD 2726 Er* 00 30 26.0632693104 -48 12 53.355477672   6.005 5.664     F2V 67 0
7 ULAS J004110.68+092120.1 PM* 00 41 10.6531277232 +09 21 19.561300380           ~ 2 0
8 HD 3861 PM* 00 41 11.8740924504 +09 21 18.207286416       6.2   F8V 64 0
9 * ups And PM* 01 36 47.8415443907 +41 24 19.651368029 4.70 4.64 4.10 3.64 3.35 F9V 963 1
10 * ups And B PM* 01 36 50.4047651407 +41 23 32.122848870       13.65   M4.5V 21 0
11 2MASS J01395413-0958239 PM* 01 39 54.1421722512 -09 58 23.887057980           ~ 2 0
12 HD 10226 PM* 01 39 54.6005853696 -09 58 20.060442192   8.47 7.86     G1V 41 0
13 BD+66 193 PM* 02 15 41.3391640752 +67 40 37.240278996   9.86 9.29     F2 18 1
14 HD 13579 BY* 02 15 42.5538582899 +67 40 20.324902269   8.149 7.198 6.6   K2 109 0
15 * 47 Ari PM* 02 58 05.2213070040 +20 40 07.442238720   6.230   5.6   F0V(e) 187 0
16 UCAC3 222-12335 PM* 02 58 06.1821241296 +20 40 01.719841944       14.69   ~ 10 0
17 HD 18900 PM* 03 03 35.6446242240 +36 26 31.219261512   8.277 7.685     F8 28 0
18 HD 18900B PM* 03 03 36.0469858152 +36 26 29.790811104           ~ 2 0
19 HD 22879B PM* 03 40 20.7898816603 -03 13 02.091055646         13.74 ~ 3 0
20 HD 22879 Pe* 03 40 22.0652879951 -03 13 01.124265616 7.146 7.222 6.667 6.346 6.016 G0VmF2 496 0
21 DENIS J045302.4-722420 PM* 04 53 02.4838402152 -72 24 19.528546932         13.19 ~ 2 0
22 HD 31975 PM* 04 53 05.6445835272 -72 24 27.644947524   6.80 6.28     F9VFe-0.5 59 0
23 HD 33632 PM* 05 13 17.4477692856 +37 20 14.320771980   6.99 6.47 6.2   F8V 93 0
24 HD 33632B PM* 05 13 18.4380468816 +37 20 46.236175620       14.27   ~ 8 0
25 HD 35681 PM* 05 28 00.9364385088 +33 45 49.332551832       6.1   F7V 56 0
26 2MASS J05280096+3345399 PM* 05 28 00.9775195968 +33 45 39.128863032           ~ 2 0
27 NAME AB Dor Moving Group MGr 06 38 53.4 -42 50 04           ~ 471 0
28 HD 49933 PM* 06 50 49.8309774552 -00 32 27.167495244   6.147 5.771 7.04   F3V 379 2
29 HD 49933B PM* 06 50 49.9959713160 -00 32 21.134027364           ~ 3 0
30 UCAC4 195-011708 PM* 07 18 10.3535758824 -51 03 33.609506904       15.44   ~ 2 0
31 HD 57334 PM* 07 18 12.3190809168 -51 03 01.676772180   8.08 7.51     F8/G0V 32 0
32 HD 74868 PM* 08 44 50.7637788528 -44 32 33.353422980   7.11 6.56     F9III-IV 61 0
33 DENIS J084451.8-443233 PM* 08 44 51.6875944176 -44 32 32.637224508           ~ 2 0
34 HD 75289 PM* 08 47 40.3893739728 -41 44 12.455319264 7.04 6.94 6.36     F9VFe+0.3 279 1
35 UCAC3 97-62778 PM* 08 47 42.2617323456 -41 44 07.587077316       15.95 13.50 M2/5V 9 0
36 HD 76493 PM* 08 57 46.5649111272 +38 15 32.214412908   7.56 7.09     F5 34 0
37 UCAC4 642-044867 PM* 08 57 51.2261888304 +38 15 22.144444992   15.2   16.15   ~ 1 0
38 * ups UMa B PM* 09 50 57.9785684649 +59 02 24.563217624           M0 3 0
39 * ups UMa dS* 09 50 59.3580562703 +59 02 19.441043584 4.19 4.10 3.81 3.47 3.31 F0 196 0
40 * 39 Leo B PM* 10 17 14.0464783222 +23 06 26.186769884           M1 25 0
41 * 39 Leo PM* 10 17 14.5383472150 +23 06 22.384190401 6.27 6.32 5.82 5.34 5.07 F6V 207 0
42 HD 89744 PM* 10 22 10.5618854376 +41 13 46.309698444       5.4   F7V 337 1
43 2MASS J10221489+4114266 BD* 10 22 14.8720836024 +41 14 26.514370356           L0.5 42 0
44 HD 102574 PM* 11 48 23.4874826184 -10 18 47.176192764   6.812 6.226     G0V 89 0
45 UCAC3 160-116132 PM* 11 48 23.8350563856 -10 19 04.864593252       15.18   ~ 2 0
46 HD 102634 PM* 11 49 01.2812674080 -00 19 07.216550976   6.67 6.15     F8V 170 0
47 UPM J1149-0019B PM* 11 49 02.7216241248 -00 19 24.089438388   13.975 13.047 13.724   ~ 6 0
48 UCAC3 52-190074 PM* 13 25 13.0676070648 -64 28 44.866124472       13.90   ~ 2 0
49 HD 116457 PM* 13 25 13.9265067624 -64 29 06.537071112 5.72 5.704 5.312     F3IV 55 0
50 UCAC3 169-133462 PM* 14 14 20.6053927061 -05 57 10.000794503       14.89   ~ 6 0
51 HD 124553 PM* 14 14 21.3084172849 -05 56 51.792300385   6.96 6.36     F8V 87 0
52 HD 126679 PM* 14 27 21.3709686312 -14 50 19.607469720   7.79 7.32   14.45 F7V 34 0
53 2MASS J14272355-1450393 PM* 14 27 23.5292213112 -14 50 39.444299340         14.45 ~ 2 0
54 UCAC3 169-135909 PM* 14 43 01.1035739628 -05 39 10.246515418       15.14 12.27 ~ 5 0
55 * mu. Vir PM* 14 43 03.6239867612 -05 39 29.524956308 4.25 4.26 3.88 3.48 3.26 F2V 227 0
56 * m Hya A PM* 14 46 00.0817095600 -25 26 35.439462384   5.46 5.11     F0VSr 9 0
57 DENIS J144601.0-252658 PM* 14 46 01.0234800432 -25 26 58.851155148         12.53 ~ 2 0
58 DENIS J145709.6-042036 PM* 14 57 09.6386385648 -04 20 36.924262044         13.66 ~ 2 0
59 * 16 Lib PM* 14 57 10.9988855472 -04 20 47.251261752 4.86 4.81 4.49 4.17 4.00 F2V 127 0
60 HD 132375 PM* 14 58 52.7816996822 -04 59 21.311934645   6.57 6.08 6.93   F7V 84 0
61 HD 132375B PM* 14 58 53.0401254395 -04 59 12.383662522           M1: 3 0
62 ULAS J154716.03-001611.3 PM* 15 47 16.1436811116 -00 16 11.124517265           ~ 2 0
63 HD 141103 PM* 15 47 17.0891539800 -00 16 11.679155508   7.7 7.23     F6V 52 0
64 UCAC2 11140260 PM* 15 57 01.4258386296 -48 09 20.288943360   12.58 11.52 11.12   ~ 2 0
65 HD 142529 PM* 15 57 03.8708016096 -48 09 43.879218048   6.668 6.297     F2V 48 0
66 HD 143306 PM* 16 02 28.4358008496 -56 51 16.059325968   7.01 6.51     F8V 30 0
67 UPM J1602-5650 PM* 16 02 33.3188102064 -56 50 57.571813500   15.5   14.22 11.91 ~ 3 0
68 * sig Ser PM* 16 22 04.3482156624 +01 01 44.556632832       4.6   A9Ib/II 147 0
69 UCAC3 183-131276 PM* 16 22 06.4471103760 +01 01 15.595876020   13.17 11.93 11.80 10.10 M2V 3 0
70 HD 155060B PM* 17 07 55.6864019832 +32 06 13.563416340           ~ 2 0
71 HD 155060 PM* 17 07 55.8294465024 +32 06 19.742079816       6.9   F8 53 0
72 HD 165670 SB* 18 06 50.7974848680 +08 52 33.382226208   7.55   7.89   F5 53 0
73 2MASS J18065086+0852256 WD* 18 06 50.8802682888 +08 52 25.365615492           DA 4 0
74 HD 166285B PM* 18 09 53.9155689408 +03 07 04.377318996     11.7     ~ 7 0
75 HD 166285 SB* 18 09 54.0136912416 +03 07 11.383329216       5.93   F6V 101 0
76 HD 175317 PM* 18 55 31.0053872592 -16 22 35.888206980   5.985 5.546     F5V 116 0
77 UCAC3 148-327413 PM* 18 55 31.7608802568 -16 22 49.929081960       12.23   M0.5 6 0
78 2MASS J18594192+1614529 PM* 18 59 41.92560 +16 14 52.9692           ~ 1 0
79 HD 176441 PM* 18 59 42.5276688696 +16 15 09.274355172   7.53 7.07     F5 36 0
80 UCAC3 275-150343 PM* 19 16 48.9993429048 +47 00 29.208851352       13.04   M3.2 7 0
81 HD 181096 PM* 19 16 51.3860558136 +46 59 56.774556420   6.44   5.7   F6IV: 132 0
82 UCAC3 281-150921 Er* 19 36 14.3916419784 +50 13 10.112887956   14.49 12.88 12.58   K8V 13 0
83 * tet Cyg PM* 19 36 26.5330717650 +50 13 15.965003998 4.83 4.86 4.48 4.13 3.92 F3+V 348 1
84 UCAC3 201-264594 * 19 51 00.5808994176 +10 24 48.591926568     13.1 13.14   M3.78 4 1
85 * omi Aql B PM* 19 51 00.6804816096 +10 24 39.852939708     13.7 12.72   M4 33 1
86 * omi Aql PM* 19 51 01.6436960928 +10 24 56.592457524   5.66   4.8   F8V 455 0
87 DENIS J200057.2-644827 PM* 20 00 57.3049022400 -64 48 27.950788620         14.54 ~ 2 0
88 HD 188769 PM* 20 01 00.9066955224 -64 48 28.471785444   7.23 6.82     F3IV 32 0
89 WT 703 PM* 20 21 39.1167832933 -49 59 47.205877322       12.55   ~ 3 0
90 HD 193307 PM* 20 21 41.0365243245 -49 59 57.900101995   6.82 6.28     F9V 126 0
91 HD 197373 PM* 20 40 17.8923782424 +60 30 18.953942688       5.7   F6IV 89 0
92 UCAC3 302-138983 PM* 20 40 20.7722561640 +60 30 29.955961224       13.58   ~ 2 0
93 HD 204485 PM* 21 28 08.2507924080 +32 13 31.192899420       5.6   F0V 54 0
94 2MASS J21280844+3213431 PM* 21 28 08.4439813176 +32 13 43.222071972           ~ 2 0
95 UCAC3 288-187208 PM* 21 54 58.7289361536 +53 56 15.643388004           ~ 2 0
96 HD 208502 PM* 21 54 59.7407165136 +53 56 08.173875588       6.6   F5 33 0
97 LTT 8825 PM* 22 03 34.2422044704 -55 59 17.385178668       13.08 11.30 ~ 8 0
98 HD 209268 PM* 22 03 35.2446068880 -55 58 37.053082668   7.44 6.88     F7V 39 0
99 HD 210855 PM* 22 11 48.7670966976 +56 50 21.684542208   5.75   4.9   F8V 128 0
100 G 233-2 WD* 22 11 53.9174305464 +56 49 46.769663244       14.38   DA 19 0
101 HD 215588 PM* 22 45 03.6305507712 +58 08 49.388375796       6.2   F5 44 0
102 UCAC3 297-187960 PM* 22 45 03.6500186352 +58 08 34.897853256       13.85   ~ 2 0
103 ** SOZ 22B PM* 23 06 16.9022106120 +18 31 06.676828932           ~ 2 0
104 HD 218235 PM* 23 06 18.1409322336 +18 31 03.956259072   6.57   5.9   F6Vs 103 0
105 ** GZA 1B PM* 23 31 30.9585270624 -04 05 23.926289028           ~ 5 0
106 HD 221356 PM* 23 31 31.5027738192 -04 05 14.650543968   7.03 6.49     F7V 164 0

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