2017AJ....154...32S

Query : 2017AJ....154...32S

2017AJ....154...32S - Astron. J., 154, 32-32 (2017/July-0)

The solar neighborhood. XXXIX. Parallax results from the CTIOPI and NOFS programs: 50 new members of the 25 parsec white dwarf sample.

SUBASAVAGE J.P., JAO W.-C., HENRY T.J., HARRIS H.C., DAHN C.C., BERGERON P., DUFOUR P., DUNLAP B.H., BARLOW B.N., IANNA P.A., LEPINE S. and MARGHEIM S.J.

Abstract (from CDS):

We present 114 trigonometric parallaxes for 107 nearby white dwarf (WD) systems from both the Cerro Tololo Inter-American Observatory Parallax Investigation (CTIOPI) and the U. S. Naval Observatory Flagstaff Station (NOFS) parallax programs. Of these, 76 parallaxes for 69 systems were measured by the CTIOPI program and 38 parallaxes for as many systems were measured by the NOFS program. A total of 50 systems are confirmed to be within the 25-pc horizon of interest. Coupled with a spectroscopic confirmation of a common proper-motion companion to a Hipparcos star within 25 pc as well as confirmation parallax determinations for two WD systems included in the recently released Tycho Gaia Astrometric Solution catalog, we add 53 new systems to the 25-pc WD sample-a 42% increase. Our sample presented here includes four strong candidate halo systems, a new metal-rich DAZ WD, a confirmation of a recently discovered nearby short-period (P = 2.85 hr) double degenerate, a WD with a new astrometric perturbation (long period, unconstrained with our data), and a new triple system where the WD companion main-sequence star has an astrometric perturbation (P ∼ 1.6 year).

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): astrometry - Galaxy: evolution - solar neighborhood - stars: distances - white dwarfs - white dwarfs

VizieR on-line data: <Available at CDS (J/AJ/154/32): table[1-4].dat figure1.dat figure3.dat figure7.dat>

Errata: erratum vol. 154, art. 130 (2017)

Simbad objects: 113

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Number of rows : 113
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 LAWD 96 WD* 00 02 10.7241976499 -43 09 55.390578662   13.12 13.05     DAP5.8 134 0
2 LAWD 1 WD* 00 02 40.0947866937 -34 13 39.592411637   15.36 14.94     DC 75 0
3 GD 5 WD* 00 11 22.4620778352 +42 40 40.922716764   15.5   15.0   DA7.0 33 0
4 L 50-73 WD* 00 13 49.8915895301 -71 49 54.255953974           DA8.0 32 0
5 LP 525-21 WD* 00 27 36.6278649600 +05 42 03.130213593   17.2   15.6   DA 23 0
6 L 122-4 WD* 00 36 22.3134808224 -59 55 27.546374244     14.08 14.19 14.20 DA3.5 17 0
7 EGGR 246 WD* 00 41 26.0270023159 -22 21 02.292155084   15.25 14.60 14.088 13.671 DQ9 120 0
8 Wolf 28 WD* 00 49 09.8983373329 +05 23 18.993828947 12.984 12.92 12.374 12.106 11.854 DZ7.5 266 0
9 LAWD 7 WD* 00 55 50.3351982209 -11 27 31.501306867   15.61 15.26 14.9   DA7.1 48 0
10 SCR J0125-4545 WD* 01 25 18.0476573286 -45 45 31.044656212   18.0   16.9 18.7 DA8.5 20 0
11 GD 1363 WD* 01 29 56.1194726184 -30 55 09.826605372   15.13 14.51     DB 32 0
12 V* ZZ Cet WD* 01 36 13.6153974672 -11 20 32.632874601   14.328 14.16 14.4   DA4.0 307 0
13 PG 0136+152 WD* 01 38 56.8741489416 +15 27 42.390858348   15.2 14.37 14.9   DA6.2 31 0
14 L 88-59 WD* 01 43 00.9833777734 -67 18 30.353062494   14.33 13.90 13.52 13.23 DA8.1 76 0
15 EGGR 268 WD* 01 51 51.1387595810 +64 25 52.547329311   13.6   12.8   DA5.6 58 0
16 G 72-40 WD* 01 52 51.9411045696 +25 53 40.650771948   16.1   15.5   DA6.5 28 0
17 GD 25 WD* 02 16 16.3515691488 +39 51 25.411561956   14.77   14.6   DA5.4 64 0
18 LP 885-57 WD* 02 24 32.2650104462 -28 54 59.455965451   18.7 18.05 17.8   DC 32 0
19 LP 941-91 WD* 02 28 27.2036713152 -32 42 33.795450828   13.72 13.84 14.12   DA2.1 24 0
20 LP 830-14 WD* 02 35 21.7949399589 -24 00 47.123038900   16.4       DC 41 0
21 G 36-29 WD* 02 39 19.6865183393 +26 09 57.457543554   17.0   15.4   DA 30 0
22 EGGR 565 WD* 02 46 30.8013110459 -02 27 23.461070842   16.34 15.38   15.09 DA7.4 72 0
23 LAWD 13 WD* 02 56 17.2209885870 -70 22 10.848492817 13.72 14.25 14.07 14.03 14.00 DA4.7 63 1
24 CPD-69 177 WD* 03 10 31.0195960176 -68 36 03.380768388 10.757 11.413 11.394 11.47 11.558 DA3.0 299 0
25 WT 106 WD* 03 12 25.7005313712 -64 44 10.890734424   13.366 13.254 13.555   DA4.0 22 0
26 EGGR 566 WD* 03 25 11.0474878302 -01 49 15.047041848   16.8 16.22     DZA9 89 0
27 LP 888-63 LM* 03 28 48.4448358846 -27 19 04.603027055   15.6 13.80     M3.5V 31 0
28 LAWD 14 WD* 03 28 48.7986016948 -27 19 00.096684530   14.0 13.56     DA5.4 81 1
29 LP 593-56 WD* 03 47 06.8255317424 +01 38 47.638115913   16.7 16.52 15.8 15.54 DQ9 29 0
30 EGGR 482 WD* 04 26 20.6972178793 +04 32 30.625334004   18.21   16.7   DC9 39 0
31 EGGR 41 WD* 04 37 47.4072688697 -08 49 10.619853645   14.24 14.10     DQ8 96 0
32 G 84-26 WD* 04 59 43.2138583272 -00 22 38.863005456   15.8       DA4.4 29 0
33 EGGR 524 WD* 05 14 03.5037732293 +08 00 15.126638361   16.30   15.7   DA7.6 46 0
34 EGGR 248 WD* 05 51 19.4818569216 -00 10 21.107152956   15.06 14.60     DQ8P 165 0
35 EGGR 45 WD* 05 55 09.5304871511 -04 10 07.065341021   15.49 14.45 13.994 13.538 DZ11 125 0
36 EGGR 484 WD* 06 47 22.1508576098 +02 31 08.914947169   16.00   15.7   DA7.0 60 0
37 WT 201 WD* 06 53 30.2131709352 -39 54 29.118972888           DA8.0 23 1
38 WT 202 WD* 06 53 35.3425559160 -39 55 33.289041324       15.29 14.96 DA7.0 19 0
39 L 454-9 WD* 06 57 05.9128954521 -39 09 35.682503054   15.60 15.20 15.14 14.51 DA8.0 26 0
40 L 886-6 WD* 07 01 54.8387102144 -06 27 46.230821653   16.2 15.42     DA7.6 50 0
41 SCR J0708-6706 WD* 07 08 52.2811191720 -67 06 31.425046740   17.03   15.82 15.26 DC 26 0
42 EGGR 321 WD* 07 33 30.8802796728 +64 09 27.434704716   16.4   15.6   DA11P 57 0
43 LP 783-2 PM* 07 40 19.3718248157 -17 24 45.912945536   17.6 16.696 14.695 12.37 M6.5Ve 98 0
44 LAWD 25 WD* 07 40 20.7886676070 -17 24 49.156867583   13.36 13.061 12.886 12.70 DZQA6 218 0
45 LAWD 26 WD* 07 53 08.1439021017 -67 47 31.382011435   14.75 14.09     DA9.0 118 0
46 LP 257-28 WD* 08 05 57.6707602770 +38 33 44.664010601   17.2   16.2   DC9 36 0
47 G 111-64 WD* 08 14 11.1653927952 +48 45 29.809901952   15.4   14.7   DC 37 0
48 SCR J0818-3110 WD* 08 18 40.2607671929 -31 10 20.327207159   16.1   15.1 14.9 DZ 37 0
49 SCR J0821-6703 WD* 08 21 26.7015854766 -67 03 20.024531545     15.34 14.82 14.32 DA10.0 29 1
50 LP 545-12 WD* 08 23 03.8637313800 +05 46 56.424331596   18.3   16.7   DZ 23 0
51 CD-32 5613 WD* 08 41 32.4290850497 -32 56 32.915823461   12.07 11.85 12.3   DA5.5 325 0
52 LP 726-1 WD* 08 42 48.4648342296 -13 47 13.209649368     15.72 15.36 15.02 DZ10 32 0
53 LP 844-25 PM* 08 53 56.3521852279 -24 46 56.440082038   18.9 17.8     M6V 20 0
54 LP 844-26 WD* 08 53 57.6910008425 -24 46 56.230289243   20.2 18.07 17.4   DC 32 1
55 LP 606-32 WD* 08 59 12.9153705192 -00 58 42.860968284     16.15     DZA 21 0
56 LP 315-42 WD* 10 11 41.5774767696 +28 45 59.070596780   18.85   16.1   DQ 53 0
57 LP 904-3 WD* 10 18 39.8443080336 -31 08 02.032783296     14.67 14.75 14.81 DA3.1 21 0
58 LP 37-186 WD* 10 37 02.4755594097 +71 10 58.705020158   17.3   16.1   DC9 44 0
59 EGGR 535 WD* 10 38 55.5700182462 -20 40 56.834110426   15.9 16.28 15.54 15.34 DQ10P 98 0
60 SCR J1107-3420A WD* 11 07 47.8968723864 -34 20 51.486668844   13.788 13.633 13.926 13.79 DA3.6 29 0
61 SCR J1107-3420B PM* 11 07 50.25048 -34 21 00.3384   16.87 15.02 14.63 11.96 M4.0Ve 10 0
62 SCR J1118-4721 WD* 11 18 27.1995687257 -47 21 56.961738150   16.37   15.62 15.18 DC 27 0
63 Ruiz 439-80 WD* 11 27 09.2523446398 -29 40 11.199558503   15.02 15.02 14.8   DA5.3 54 1
64 LAWD 37 WD* 11 45 42.9169346379 -64 50 29.461957832 11.08 11.725 11.513 11.34 11.163 DQ 287 0
65 WT 1902 WD* 11 51 36.1046855352 -27 32 21.131763324   16.0 15.77 15.59 15.37 DQ 22 0
66 LP 852-7 WD* 12 05 26.6739103248 -23 33 12.139045488   13.04 12.90 12.66 12.52 DA5.7 73 0
67 WG 22 WD* 12 38 49.7811220835 -49 48 00.219515411   14.14 13.96     DA4.2 245 0
68 LP 853-15 WD* 12 40 24.1763348448 -23 17 43.708127570   16.5 16.529 16.136 15.732 DA8.8 26 0
69 2MASS J12445203-1049037 * 12 44 52.0390390512 -10 49 03.742951080           ~ 1 0
70 PG 1242-106 WD* 12 44 52.6595496079 -10 51 08.719613869   15.03 14.71 14.67   DA 39 0
71 LAWD 42 WD* 12 44 52.6947377826 -80 09 27.909176479   16.70 16.23 15.94 15.50 DC/DQ 21 0
72 LP 797-33 WD* 13 16 19.5747006941 -20 07 32.063130768   18.09 17.14     DC9 27 0
73 LP 737-47 WD* 13 16 43.5975861665 -15 35 58.381299824   14.86 14.86 14.89 14.97 DA3.2 35 0
74 BD-07 3632 WD* 13 30 13.6370112733 -08 34 29.468140653 11.803 12.398 12.340 12.39 12.436 DA3.5 203 0
75 LSPM J1341+0500 WD* 13 41 21.7979739274 +05 00 45.845359937   17.5   16.0   DC 24 0
76 PM 13391-3400 WD* 13 42 02.8765298428 -34 15 19.440554339     17 16.00 15.56 DA9.5 27 0
77 LP 801-9 WD* 14 47 25.3408507940 -17 42 15.755350506   17.42 16.46     DC10 48 0
78 2MASS J14500516-1912509 * 14 50 05.1622750968 -19 12 50.953626180           ~ 1 0
79 LP 801-14 WD* 14 50 11.9306400264 -19 14 08.672948988   16.14 15.80 15.59 15.32 DA7.0 23 0
80 G 137-24 WD* 15 35 05.8098944592 +12 47 45.199307508   15.31   15.7   DZ 55 0
81 CD-38 10980 WD* 16 23 33.8380498896 -39 13 46.161043572 9.916 10.885 11.029 10.936 10.841 DA2 526 0
82 G 138-38 WD* 16 32 33.1685717970 +08 51 22.672703259   15.26   14.6   DA8 26 0
83 LAWD 66 WD* 17 11 26.7618554561 -14 47 53.694798155   14.38 14.29 14.49   DQwk 49 0
84 PM J17476-5436 WD* 17 47 36.8154520387 -54 36 31.163001686     15.52     DC 18 0
85 LSR J1758+1417 WD* 17 58 22.9048465437 +14 17 37.915158868   17.2   16.4   DA10 24 0
86 LSR J1817+1328 WD* 18 17 06.4969710720 +13 28 24.991658238   16.6 15.85 15.4 14.92 DA10 36 0
87 SCR J1821-5951 WD* 18 21 59.5358245088 -59 51 48.521281245   17.49   16.32 15.73 DC 13 0
88 EGGR 176 WD* 18 24 04.5487353609 -13 08 42.294222804   16.02 15.60     DA7.8 38 0
89 EGGR 374 WD* 18 30 20.2711538874 +54 47 27.207896312   15.99   14.9   DQ7P 101 0
90 SCR J1920-3611 WD* 19 20 02.8182163704 -36 11 02.648500368   13.08   13.27 13.38 DB 19 0
91 LAWD 74 WD* 19 20 34.9229289504 -07 40 00.065957592 11.553 12.345 12.290 12.229 12.164 DBQA5 250 0
92 LP 815-31 WD* 20 31 09.5660250120 -16 58 41.924043336     16.25     DAZ 16 0
93 L 495-42 WD* 20 38 41.4194593392 -36 49 13.594855008 14.57 15.12 14.94 14.85 14.72 DA5.0 18 0
94 EGGR 261 WD* 20 49 06.6996392736 +37 28 14.050387020   13.40   13.2   DA3.4 88 0
95 WT 765 WD* 21 01 05.2012962963 -49 06 24.272440876   16.32 15.37 15.49   DA 15 0
96 WT 766 ** 21 01 07.4108149283 -49 07 25.005097491   14.99 13.33 13.03   M4.5 22 1
97 LAWD 83 WD* 21 13 16.8549349741 -81 49 12.878285501 13.28 13.82 13.59 13.6   DA4.8 125 0
98 EGGR 378 WD* 21 18 56.2636115928 +54 12 41.243943888 11.76     12.9   DA3.4 111 1
99 SCR J2122-3838 WD* 21 22 05.5928935656 -38 38 34.672678800   17.26   16.20 15.74 DC 16 0
100 LP 577-36 WD* 21 22 12.3465905620 +04 13 56.767229002   17.5   16.2   DA9 21 0
101 Ross 203 WD* 21 36 16.3860993504 -13 18 34.504360848 13.63 13.91 13.65 14.01   DA5.0 32 0
102 V* CD Oct WD* 22 04 20.8589166215 -75 13 26.063295918 14.63 15.22 15.01 14.7   DA5.7 54 0
103 [OHD2001] WD J2214-390 WD* 22 14 34.7532659674 -38 59 07.266850500     16.14 15.61 15.24 DA8 32 0
104 LP 287-39 WD* 22 17 47.6190906902 +37 07 50.922859738   17.7   16.2   DC 25 0
105 LAWD 91 WD* 22 19 48.3089909755 -65 29 17.484537097 13.98 14.66 14.53     DZ5 61 0
106 SSSPM J2231-7515 WD* 22 30 33.5339081384 -75 15 24.304628824       16.17 15.51 DC12 34 1
107 SSSPM J2231-7514 WD* 22 30 39.9813622429 -75 13 55.234553688       15.924 15.33 DC9 36 1
108 EGGR 453 WD* 22 53 53.3851734316 -06 46 54.488228178   17.53 15.66 15.70   DZ13 104 1
109 HD 218572 PM* 23 10 20.5693703412 -68 50 20.026272139   9.80 8.78     K3+Vk: 66 0
110 HD 218572B WD* 23 10 22.8543738235 -68 50 23.958448995           DB 16 0
111 V* ZZ Psc WD* 23 28 47.6365087803 +05 14 54.235051503   13.217   13.106   DA4.1 536 0
112 LAWD 93 WD* 23 43 50.7212145360 +32 32 46.728318300   13.06 12.94 13.12   DA3.8 160 0
113 EGGR 507 WD* 23 54 56.2782027401 +40 27 29.541384732   15.28   15.0   DQ5 60 0

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