J/AJ/142/92 New proper motion stars with pm≥0.18"/yr (Boyd+, 2011)
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., Hambly N.C.
<Astron. J., 142, 92 (2011)>
=2011AJ....142...92B 2011AJ....142...92B
ADC_Keywords: Stars, nearby ; Proper motions; Photometry, infrared ;
Stars, distances
Keywords: astrometry - solar neighborhood - stars: distances - stars: low-mass -
stars: statistics - surveys
Abstract:
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
25pc, including one, SCR 1546-5534, possibly within the RECONS 10pc
horizon at 6.7pc, making it the second nearest discovery of the
searches. We find 97 white dwarf candidates with distance estimates
between 10 and 120pc, as well as 557 cool subdwarf candidates.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 125 1608 New SCR Objects with 16.5<R59R≤18.0
table3.dat 114 3 New 25pc Red Dwarf Candidates
table4.dat 126 97 New SCR White Dwarf Candidates
table5.dat 114 557 New SCR Cool Subdwarf Candidates
table6.dat 109 25 Common proper motion systems
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See also:
J/AJ/129/413 : New high proper motion stars (-90<DE←47) (Subasavage+, 2005)
J/AJ/130/1658 : New high proper motion stars (0<DE←47) (Subasavage+ 2005)
J/AJ/133/2898 : New proper-motion stars (-90<DE←47) (Finch+, 2007)
J/AJ/134/252 : New nearby white dwarf systems (Subasavage+, 2007)
J/AJ/141/21 : CCD distance estimates of SCR targets (Winters+, 2011)
J/AJ/142/10 : New proper motion stars 0.40"/yr>pm≥0.18"/yr (Boyd+, 2011)
Byte-by-byte Description of file: table2.dat table3.dat table4.dat table5.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- --- [SCR]
5- 14 A10 --- SCR Source name (J2000 position HHMM+DDMMA)
16- 17 I2 h RAh Hour of Right Ascension (J2000)
19- 20 I2 min RAm Minute of Right Ascension (J2000)
22- 26 F5.2 s RAs Second of Right Ascension (J2000)
28 A1 --- DE- Sign of the Declination (J2000)
29- 30 I2 deg DEd Degree of Declination (J2000)
32- 33 I2 arcmin DEm Arcminute of Declination (J2000)
35- 38 F4.1 arcsec DEs Arcsecond of Declination (J2000)
40- 44 F5.3 arcsec/yr pm ? Proper motion
46- 50 F5.1 deg pmPA ? Position angle of proper motion direction
52- 56 F5.2 mag BJmag ? The BJ magnitude
58- 62 F5.2 mag R59F ? The R59F magnitude
64- 68 F5.2 mag IIVN ? The IIVN magnitude
70- 74 F5.2 mag Jmag ? 2MASS J band magnitude
76- 80 F5.2 mag Hmag ? 2MASS H band magnitude
82- 86 F5.2 mag Ksmag ? 2MASS Ks band magnitude
88- 91 F4.2 mag R-J ? The (R59F-J) color index
93- 98 F6.1 pc Dist ? Estimated distance
99 A1 --- n_Dist Flag on Dist (1)
101-112 A12 --- Com Comments
114-116 A3 --- n_Com Notes (2)
118-125 A8 --- Note Additional notes
126 A1 --- WD [AB] Method used for WD detection (3)
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Note (1): Flag on Dist as follows:
] = Uncertain distance because the plate relations fail for blue stars,
as well as white dwarfs and most subdwarfs
a = Estimate given using relation of Oppenheimer et al. (2001Sci...292..698O 2001Sci...292..698O)
b = CPM system - see Table 6.
Note (2): Notes as follows:
a = Cool Subdwarf Candidate - Unreliable Distance
b = B-R RPM Diagram WD Candidate. See Table 4
c = No 2MASS data available, so no distance estimate provided.
Coordinates are not J2000.0
d = R-J RPM Diagram WD Candidate (also in Table 4)
e = 25pc sample (also in Table 3)
f = CPM system (also in Table 6)
g = Distance suspect. See Section 5.7
h = CPM system (also in Table 6)
Note (3): Sample as follows:
A = Candidates Selected Using (R_59F-J) RPM Diagram
B = Candidates Selected Using (B-R_59F) RPM Diagram
(Candidates lack 2MASS data. Coordinates not J2000.0.)
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1 A1 --- Sys [AB] Probable or Possible physical system (1)
3- 16 A14 --- Name1 Primary name
18- 22 F5.3 arcsec/yr pm1 ? Primary proper motion
24- 28 F5.1 deg pmPA1 ? Primary position angle of proper motion
direction
30- 34 F5.1 pc Dist1 ? Primary estimated distance
35 A1 --- u_Dist1 []] ']' indicates un uncertain distance
37- 50 A14 --- Name2 Companion(s) name
52- 56 F5.3 arcsec/yr pm2 ? Companion Proper motion
58- 62 F5.1 deg pmPA2 ? Companion Position angle of proper motion
direction
64- 68 F5.1 pc Dist2 ? Companion Estimated distance
69 A1 --- u_Dist2 []] ']' indicates un uncertain distance
71- 76 F6.1 arcsec Sep ? Separation between Name1 and Name2
78- 82 F5.1 deg PA ? Position angle of Name2 relative to Name1
84-105 A22 --- Com Comments
107-109 A3 --- n_Com Notes (3)
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Note (1): Sample as follows:
A = Probable Common Proper Motion Systems
B = Possible Common Proper Motion Systems
Note (3): Notes as follows:
a = WD candidate with unreliable distance estimate [in brackets].
More accurate estimate in notes if available. See Table 4.
b = Companion detected by eye during blinking process.
c = Cool subdwarf candidate with unreliable distance estimate [in brackets].
See Table 5.
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History:
From electronic version of the journal
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(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 13-Nov-2012