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Table 4

Measured PMs for new, known, and rejected co-moving pairs of stars.

Star ID RA Dec PM (RA, Dec) PM (RA, Dec) Ref. Parallax Ref. Sp. Type Ref.
(2MASS) [mas yr-1], this work [mas yr-1], literature [mas] literature

New co-moving companions around known HPM stars:
L 149-77 A 14 12 28.089 −62 56 14.90 162.5 ± 11.9 196.3 ± 6.7 154.8 ± 4.5 184.3 ± 4.1 (4) 25.6 (17) K7V (17)/(18)
158.1 ± 3.1 183.5 ± 2.9 (15) 20 (19) K5V (19)
157.2 ± 3.4 187.9 ± 3.1 (16) 14.17 ± 1.56 (20)
141.3 ± 10.0 163.0 ± 10.0 (20)
L 149-77 B 14 12 28.829 −62 56 27.86 171.2 ± 0.4 192.6 ± 1.2 242.0 ± 6.0 216.0 ± 49.0 (15)
193.5 ± 7.4 143.7 ± 7.4 (16)
LHS 2881 A 14 13 32.369 −62 07 33.37 −541.1 ± 1.5 −551.7 ± 7.9 −440 ± 100 −607 ± 100 (9)
−550.1 ± 12.5 −548.7 ± 12.5 (16)
−496 ± 19 −588 ± 33 (21)
548.3 ± 8.0 −511.7 ± 8.0 (22)
LHS 2881 B 14 13 30.335 −62 07 45.70 −545.8 ± 1.0 −545.3 ± 1.1
L 200-41 A 15 18 40.449 −56 27 55.70 −162.7 −134.5 −174.2 ± 3.4 −142.8 ± 3.2 (4) 24.47 ± 11.91 (20)
−185.2 ± 3.5 −143.9 ± 1.3 (15)
−175.00 ± 2.7 −141.47 ± 2.7 (16)
−132.8 ± 10.0 −108.5 ± 10.0 (20)
−176 −144 (21)
−172.8 ± 1.2 −139.7 ± 1.2 (22)
L 200-41 B 15 18 39.953 −56 28 12.94 −159.8 −138.3 −180 ± 22 −126 ± 36 (21)
LHS 3188 A 16 24 21.178 −46 44 01.78 −491.3 ± 1.4 −774.1 ± 15.3 −511.6 −741.6 (12) 48 ± 12 (10) K5 (11)
−458 ± 76 −688 ± 123 (21)
−462.3 ± 12.2 −750.6 ± 12.2 (23)
−520 −700 (24)
LHS 3188 B 16 24 21.202 −46 44 05.78 −478.9 ± 3.7 −658.5 ± 5.1
LP 487-4 A 17 51 22.238 −35 05 58.39 −165.8 ± 3.9 −120.8 ± 0.8 −157.9 ± 4.4 −146.0 ± 4.4 (1)
−158.35 ± 2.7 −136.33 ± 2.7 (16)
LP 487-4 B 17 51 23.322 −35 05 25.88 −150.5 ± 3.9 −117.7 ± 1.2
LHS 5333 A 18 09 17.677 −22 54 30.03 61.6 ± 4.8 −473.3 ± 9.5 40.08 ± 0.91 −459.58 ± 0.59 (2) 31.54 ± 0.93 (2) K1IV (13)
42.18 ± 1.08 −459.56 ± 0.70 (30) 31.27 ± 1.12 (30)
42.1 ± 6.4 −459.0 ± 2.2 (1)
46.8 −477.7 (12)
42.1 ± 1.0 −459.5 ± 0.6 (15)
42.1 ± 1.0 −459.5 ± 0.7 (22)
37.7 ± 6.4 −458.7 ± 8.2 (23)
55.6 −489.7 (25)
45.9 ± 3.1 −461.5 ± 3.1 (26)
43 ± 18 −486 ± 18 (27)
52 −409 (28)
42 ± 2.9 −462 ± 2.9 (29)
44.64 ± 2.48 −458.9 ± 3.92 (31)
LHS 5333 B 18 09 18.212 −22 55 12.06 52.5 ± 6.5 −452.9 ± 1.5
LP 922-16 A 18 23 51.140 −27 46 18.21 −117.0 ± 1.6 −212.1 ± 3.3 −124.87 ± 3.06 −205.72 ± 1.89 (2) 10.93 ± 2.29 (2)
−127.64 ± 2.52 −207.02 ± 1.68 (30) 12.30 ± 2.22 (30)
−129.8 ± 2.7 −217.2 ± 2.5 (1)
−127.6 ± 2.5 −207.0 ± 1.6 (15)
−129.39 ± 1.9 −210.12 ± 1.4 (16)
−130 −218 (21)
−128.6 ± 2.4 −209,8 ± 2.2 (22)
−126.1 ± 6.5 −217.0 ± 6.0 (32)
LP 922-16 B 18 23 52.896 −27 47 50.87 −130.7 ± 3.4 −205.4 ± 1.3 −122.3 ± 9.0 −197.4 ± 9.0 (15)
−160 ± 48 −134 ± 57 (21)
−154.8 ± 9.5 −143.4 ± 9.5 (23)
Recovered known binaries:
LTT 5140 A 13 21 23.965 −64 02 59.68 −223.4 ± 6.3 −48.3 ± 3.0 −233.7 ± 0.6 −44.0 ± 0.8 (2) 17.81 ± 0.98 (2) G0V (6)
−236.5 ± 2.3 −47.6 ± 2.3 (4)
LTT 5140 B 13 21 23.211 −64 02 59.08 −207.1 ± 8.1 −49.2 ± 6.2 −223.0 ± 3.1 −47.0 ± 3.0 (4) G0 (6)
L 412-3 16 58 45.218 −40 13 03.85 −135.1 ± – −121.2 ± – −147.4 ± 5.4 −136.0 ± 5.4 (1) K2 (3)
L 412-4 16 58 43.324 −40 13 18.64 −150.4 ± – −121.8 ± – −145.1 ± 4.5 −129.0 ± 4.5 (1) K2 (3)
(= HD 322416) −144.3 ± 2.2 −121.4 ± 2.3 (4)
LP 920-25 17 31 40.047 −30 40 56.51 −164.3 ± 2.2 −206.5 ± 5.0 −181.7 ± 2.0 −197.0 ± 2.0 (1)
LP 920-26 17 31 40.510 −30 41 02.62 −169.7 ± 3.9 −215.6 ± 10.2 −181.7 ± 2.0 −197.0 ± 2.0 (1)
LTT 6990 A 17 35 08.353 −38 37 28.15 −295.7 ± 8.6 −250.9 ± 1.8 −311.72 ± 1.71 −228.28 ± 1.08 (2) 30.40 ± 1.36 (2) K0V (13)
LTT 6990 B 17 35 08.644 −38 37 29.89 −317.4 ± 4.3 −230.6 ± 7.8
M 124.22158.2900 18 07 57.462 −30 54 55.50 −148.6 ± – −244.7 ± – −119.7 ± 5.0 −249.8 ± 5.0 (5)
M 124.22158.2910 18 07 57.313 −30 54 58.14 −140.8 ± – −245.9 ± – −115.8 ± 5.0 −242.8 ± 5.0 (5)
GJ 2136 A 18 27 18.623 −25 04 23.59 −79.8 ± 8.2 −179.2 ± 6.3 −84.4 ± 3.2 −198.1 ± 3.0 (1) 30.86 ± 4.57 (7) M0/M0.5 (14)/(7)
GJ 2136 B 18 27 18.432 −25 04 02.55 −77.1 ± 3.7 −184.7 ± 5.3 −88.0 ± 25.0 −168.0 ± 25.0 (8)
Not co-moving:
LTT 7318 18 24 26.943 −29 32 39.75 184.7 ± 12.1 −132.1 ± 7.6 194.4 ± 2.0 −120.8 ± 1.8 (1) 21.30 ± 1.08 (2) F8V (6)
192.4 ± 1.3 −120.3 ± 0.8 (2)
LTT 7319 18 24 26.559 −29 31 54.53 0.0 ± 7.9 −207.4 ± 2.6 0.5 ± 1.5 −197.8 ± 2.0 (1) 21.38 ± 0.92 (2) K3/K4III+ (6)
−1.1 ± 1.1 −198.3 ± 0.7 (2)

Notes. The letter M in the star ID column stands for MACHO. PMs, parallaxes, and spectral types from the literature are also listed.

Reference. (1) Salim & Gould (2003); (2) van Leeuwen (2007); (3) Nesterov et al. (1995); (4) Hog et al. (2000); (5) Alcock et al. (2001); (6) as given in SIMBAD, the original reference is unknown; (7) Reid et al. (2004); (8) Luyten (1963); (9) Bakos et al. (2002); (10) Jenkins (1963); (11) Bidelman (1985); (12) Luyten (1979a); (13) Gray et al. (2006); (14) Stephenson & Sanduleak (1975); (15) Zacharias et al. (2004); (16) Röser et al. (2008); (17) Ammons et al. (2006); (18) Schmidt-Kaler (1982); (19) Pickles & Depagne (2010); (20) Fresneau et al. (2007); (21) Monet et al. (2003); (22) Zacharias et al. (2013) – possibly, a wrong sign for the RA PM of LHS 2881 A; (23) Röser et al. (2010); (24) Stauffer et al. (2010); (25) Hog & von der Heide (1976); (26) Dunham (1986); (27) Smithsonian Astrophysical Observatory Star Catalog; (28) Schlesinger & Barney (1943); (29) Bastian & Röser (1993); (30) Perryman et al. (1997); (31) Urban et al. (1997); (32) Röser et al. (1994).

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