2011AJ....142...92B


Query : 2011AJ....142...92B

2011AJ....142...92B - Astron. J., 142, 92 (2011/September-0)

The solar neighborhood. XXVII. Discovery of new proper motion stars with µ ≥ 0".18/yr in the southern sky with 16.5 < R59F≤ 18.0.

BOYD M.R., HENRY T.J., JAO W.-C., SUBASAVAGE J.P. and HAMBLY N.C.

Abstract (from CDS):

Here we present 1584 new southern proper motion systems with µ ≥ 0".18/yr and 16.5 > R59F ≥ 18.0. This search complements the six previous SuperCOSMOS-RECONS (SCR) proper motion searches of the southern sky for stars within the same proper motion range, but with R59F≤ 16.5. As in previous papers, we present distance estimates for these systems and find that three systems are estimated to be within 25 pc, including one, SCR 1546-5534, possibly within the RECONS 10 pc horizon at 6.7 pc, making it the second nearest discovery of the searches. We find 97 white dwarf candidates with distance estimates between 10 and 120 pc, as well as 557 cool subdwarf candidates. The subdwarfs found in this paper make up nearly half of the subdwarf systems reported from our SCR searches and are significantly redder than those discovered thus far. The SCR searches have now found 155 red dwarfs estimated to be within 25 pc, including 10 within 10 pc. In addition, 143 white dwarf candidates and 1155 cool subdwarf candidates have been discovered. The 1584 systems reported here augment the sample of 4724 systems previously discovered in our SCR searches and imply that additional systems fainter than R59F= 18.0 are yet to be discovered.

Abstract Copyright: ∼

Journal keyword(s): astrometry - solar neighborhood - stars: distances - stars: low-mass - stars: statistics - surveys

VizieR on-line data: <Available at CDS (J/AJ/142/92): table2.dat table3.dat table4.dat table5.dat table6.dat>

Nomenclature: Table 2: SCR JHHMM+DDMMA N=1606, SCR J0314-0337p N=1, SCR J0314-0337s N=1.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 11

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Number of rows : 11
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 SCR J0020-2642B PM* 00 20 12.8361630000 -26 42 14.939171964   21.92   20.12 18.27 ~ 2 0
2 LEHPM 3098 PM* 03 08 11.5503240720 -46 38 41.932005180           ~ 3 0
3 LP 834-24 PM* 04 24 59.6041152672 -24 25 54.381319212     18.69     ~ 3 0
4 CD-44 2463 PM* 06 09 44.6672338848 -44 49 28.486563420   11.74 10.64     ~ 17 0
5 SCR J1144-4302 LM* 11 44 24.8821796307 -43 02 53.447749090           M6 10 0
6 LEHPM 2-5029 PM* 13 12 53.8740628368 -31 07 22.188628164           ~ 1 0
7 LP 440-52 LM* 14 39 00.3086540071 +18 39 38.710151529   19.6 18.39 17.3 14.64 sdM7 68 0
8 SCR J1546-5534 ** 15 46 41.2125072550 -55 34 51.526812632   18.2   16.4 12.96 M7.5 18 0
9 SCR J1609-3431 PM* 16 09 46.1877698616 -34 31 06.902530176           ~ 7 0
10 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
11 L 44-86 WD* 17 51 39.4351256266 -77 49 02.953402700       15.4   DA 12 0

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