2003ApJ...599.1344M

Query : 2003ApJ...599.1344M

2003ApJ...599.1344M - Astrophys. J., 599, 1344-1356 (2003/December-3)

The mass ratio distribution in main-sequence spectroscopic binaries measured by infrared spectroscopy.

MAZEH T., SIMON M., PRATO L., MARKUS B. and ZUCKER S.

Abstract (from CDS):

We report infrared spectroscopic observations of a large well-defined sample of main-sequence, single-lined spectroscopic binaries to detect the secondaries and derive the mass ratio distribution of short-period binaries. The sample consists of 51 Galactic disk spectroscopic binaries found in the Carney and Latham high proper motion survey, with primary masses in the range 0.6-0.85 M☉. Our infrared observations detect the secondaries in 32 systems, two of which have mass ratios, q=M2/M1, as low as ∼0.20. Together with 11 systems previously identified as double-lined binaries by visible light spectroscopy, we have a complete sample of 62 binaries, of which 43 are double lined. The mass ratio distribution is approximately constant over the range q=1.0-0.3. The distribution appears to rise at lower q values, but the uncertainties are sufficiently large that we cannot rule out a distribution that remains constant. The mass distribution derived for the secondaries in our sample and that of the extrasolar planets apparently represent two distinct populations.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Spectroscopic - Infrared: Stars - Stars: Formation - Stars: Fundamental Parameters - Techniques: Radial Velocities

Simbad objects: 66

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Number of rows : 66
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+33 4813 SB* 00 00 04.0830102984 +34 11 18.792687660   9.15   8.1   G0 32 0
2 HD 2909 SB* 00 32 34.0596922248 +28 11 51.513217260   9.30   8.2   G5 41 0
3 HD 3266 ** 00 36 02.36294 +29 59 34.8139           G4V 80 0
4 BD+13 108 SB* 00 47 36.1514760336 +14 38 26.493290196   11.83   10.9   G9 31 0
5 BD+51 318A SB* 01 30 55.1819674848 +52 44 42.745678368       9.6   K2 24 0
6 HD 9939 SB* 01 37 25.0949873184 +25 10 03.970247664   7.92 7.00 6.4   K0 56 0
7 BD+41 379 SB* 01 57 34.8727218707 +42 04 36.187998313   9.73   8.5   G0 39 0
8 BD+27 335B SB* 02 08 23.8948949434 +28 18 18.193758990       10.1   K2 41 0
9 BD+27 335A SB* 02 08 23.9155847461 +28 18 38.831946046       9.4   K0 46 0
10 HD 15777 SB* 02 33 53.6852595373 +49 30 21.778758225       7.4   G0 47 0
11 BD+46 610 SB* 02 41 45.7397605656 +47 21 01.290205512       8.8   F8 68 0
12 HD 17841 SB* 02 53 01.4805252028 +35 38 13.516169021       7.8   G9 41 0
13 BD+01 604 SB* 03 29 18.6493370214 +01 58 31.440516075   11.189   9.9   ~ 32 0
14 HD 22403 PM* 03 37 11.0381580962 +25 59 27.954176922       6.9   G4 128 0
15 HD 22694 RS* 03 39 33.5975625240 +18 23 05.694553896 9.490 9.090       G5 63 0
16 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
17 BD+72 245 SB* 04 56 36.3589776972 +72 57 05.897177129       9.4   G0 31 0
18 HD 241659 SB* 05 12 45.2937847416 +04 19 15.909228480       10.1   ~ 39 0
19 HD 40891 SB* 06 06 24.6779984548 +63 50 06.463584247       7.9   G5 48 0
20 BD+38 1670 SB* 07 03 04.8551176608 +38 08 32.102820132   10.09   9.0   G0 49 0
21 HD 53424 SB* 07 05 04.1183714520 +01 23 50.504883288       8.1   G2V 36 0
22 BD+18 1479 SB* 07 06 07.5363196944 +18 38 07.897256088   10.93   9.7   G8 31 0
23 HD 54690 SB* 07 10 37.3958593559 +20 26 27.732516719   9.821 9.361 9.116   G5 44 0
24 HD 64606 SB* 07 54 34.1880221064 -01 24 44.300470716 8.32 8.165 7.433 7.007 6.569 K0V 265 0
25 HD 66553 SB* 08 04 34.6747994829 +15 21 51.314598911   9.33   7.8   G5 55 0
26 BD+25 1858 SB* 08 08 54.4479591088 +24 37 26.270539852   10.33   9.3   G8 74 0
27 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
28 HD 77065 SB* 09 00 47.4452587799 +21 27 13.363366500   9.65   8.3   K2 56 0
29 BD+11 2021 SB* 09 22 46.8902159939 +11 16 18.686904868   10.42   9.1   ~ 40 0
30 HD 233640 SB* 09 30 18.7861761288 +52 09 11.775622860 10.050 10.050   9.0   G2 36 0
31 BD+21 2244 SB* 10 49 52.6408551888 +20 29 30.149182824   10.56   9.7   ~ 53 0
32 BD+10 2216 SB* 10 53 23.7842115892 +09 44 21.523409332       10.0   K2 34 0
33 V* FK UMa RS* 11 17 14.5610256456 +29 34 14.227053600       8.8   G0 55 0
34 BD+36 2193 SB* 11 30 22.3769766552 +35 50 30.198891768       9.5   G2 39 0
35 BD+24 2439 SB* 12 13 27.7679811114 +23 15 56.494644803   10.02   9.0   G0 36 0
36 BD+28 2103 SB* 12 19 00.8179497888 +28 02 52.899477360   9.70   8.5   G5 35 0
37 BD+21 2442 SB* 12 40 07.0400602154 +20 48 32.809208559   9.84 9.24 9.02   K2 53 0
38 BD+08 2658 SB* 12 55 15.9490553418 +07 49 57.519300973       9.5   K0V 38 0
39 HD 117126 SB* 13 28 18.7088282396 -00 50 24.689386051   8.08 7.44     G3/5V 109 0
40 HD 117635 SB* 13 31 39.9354734900 -02 19 02.873792137   8.14 7.36     G8V 151 0
41 HD 118742 ** 13 38 01.95361 +39 10 41.0960   8.68 7.91 8.42   G9 66 0
42 HD 118981 SB* 13 40 26.9936468208 +02 09 06.025075452   8.81   7.9   G0/1V 62 0
43 BD+75 523 SB* 13 56 15.1058573784 +74 42 44.606534400   10.37   9.3   G5 30 0
44 * 9 UMi SB* 15 00 26.9468810316 +71 45 55.649775035   7.27   6.3   G0 73 0
45 G 15-6 SB* 15 04 59.5566894377 +04 05 17.102425989       9.5   G4 46 1
46 HD 134113 SB* 15 07 46.5004807478 +08 52 47.202473395   8.83   7.9   F9 143 0
47 BD+05 3080 RS* 15 45 52.4007911712 +05 02 26.560949532   9.99   8.5   K2 73 0
48 Ross 516 SB* 15 59 56.6541619272 +45 44 16.843091388       10.6   G8 27 0
49 Wa Oph 2 Or* 16 11 59.2702332696 -19 06 53.316517068     11.66 11.57   K2Ve 74 0
50 HD 149162 SB* 16 32 51.6295038717 +03 14 45.676308949       8.3   K0Ve 82 0
51 HD 157948 SB* 17 24 42.4258922448 +38 02 10.529569464   9.06 8.18 7.6   G5 68 0
52 HD 172323 SB* 18 35 09.3572246091 +63 41 47.247050135       7.8   F9V 60 0
53 HD 171999 SB* 18 37 58.8187971885 -06 48 19.714925000   9.18 8.30 7.8   K0IV/V 90 1
54 HD 175518 SB* 18 55 52.9705387088 -05 44 42.797045543   8.21 7.46     G6IV/V 83 0
55 G 262-14 SB* 20 28 27.9446298083 +62 00 52.339725946       10.7   G8 33 0
56 HD 195987 SB* 20 32 51.6420701971 +41 53 54.550572462   7.89   6.6   G9V 171 0
57 Wolf 1078 SB* 20 40 16.7203094304 +54 13 11.773581384       10.8   K2 23 0
58 G 262-32 SB* 20 59 00.1858799677 +65 02 40.114147785       10.3   K1 29 0
59 HD 200077 SB* 20 59 55.2757447771 +40 15 31.757352772   7.136 6.593 7.32   F8 79 0
60 BD+00 4801 SB* 21 58 45.1244772216 +00 48 35.128033416   11.08   9.8   K0 39 0
61 HD 213646 SB* 22 32 48.6083212712 +10 24 17.540764674   10.21   8.8   K2 43 0
62 HD 217231 SB* 22 59 19.4618485436 +12 11 32.514483021   8.99   8.0   G0 57 0
63 HD 217580 SB* 23 01 51.5363732448 -03 50 55.402732729 9.199 8.428 7.464 6.934 6.482 K3V 109 0
64 HD 218568 SB* 23 09 04.0756543925 -02 33 01.521086984   9.92 9.27     G5(V) 36 0
65 HD 221914 SB* 23 36 06.0097744841 +18 26 33.435735640   8.34   7.2   G6 89 0
66 BD+34 5002 SB* 23 46 09.3783746808 +35 14 38.109675372   9.91   8.7   G5 40 0

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