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J/AJ/133/2898       New proper-motion stars (-90<DE←47)          (Finch+, 2007)

The solar neighborhood. XVIII. Discovery of new proper-motion stars with 0.40"/yr>µ≥0.18"/yr between declinations -90° and -47°. Finch C.T., Henry T.J., Subasavage J.P., Jao W.-C., Hambly N.C. <Astron. J., 133, 2898-2907 (2007)> =2007AJ....133.2898F
ADC_Keywords: Stars, nearby; Proper motions; Photometry, infrared Keywords: astrometry - solar neighborhood - stars: distances - stars: statistics - surveys Abstract: We report 1606 new proper-motion systems in the southern sky (declinations -90° to -47°) with 0.40"/yr>µ≥0.18"/yr. This effort is a continuation of the SuperCOSMOS-RECONS (SCR) proper-motion search to lower proper motions than reported in Papers VIII, X, XII, and XV in this series. Distance estimates are presented for the new systems, assuming that all stars are on the main sequence. We find that 31 systems are within 25pc, including two systems (SCR 0838-5855 and SCR 1826-6542) that we anticipate to be within 10pc. These new discoveries constitute a more than 10-fold increase in new systems found in the same region of sky searched for systems with mu≥0.40"/yr, suggesting a happy hunting ground for new nearby slower proper-motion systems in the region just north (declinations -47° to 0°), much of which has not been rigorously searched during previous efforts. Description: The SCR search uses four of the Schmidt survey photographic plates available in each ESO/SRC survey field, which provide astrometric and photometric information in the BJ, ESO-R, R59F, and IIVN photographic passbands. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table3.dat 117 1662 Characteristics of new SCR systems with 0.40"/yr>µ≥0.18"/yr from -90°>DE≥-47° table4.dat 117 44 Characteristics of new SCR systems estimated to be nearer than 25pc and new white dwarf candidates with 0.40"/yr>µ≥0.18"/yr from -90°<DE≥-47° table5.dat 121 56 Common proper motion systems
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 (-47<DE←00) (Subasavage+, 2005) J/AJ/141/21 : CCD distance estimates of SCR targets (Winters+, 2011) Byte-by-byte Description of file: table[34].dat
Bytes Format Units Label Explanations
1 I1 --- Gr [12]? Group 1=Red dwarfs, 2=White Dwarf (1) 3- 5 A3 --- --- [SCR] 7- 16 A10 --- SCR Object identification (HHMM-DDMMA) 18- 19 I2 h RAh Hour of Right Ascension (J2000) 21- 22 I2 min RAm Minute of Right Ascension (J2000) 24- 28 F5.2 s RAs Second of Right Ascension (J2000) 30 A1 --- DE- Sign of the Declination (J2000) 31- 32 I2 deg DEd Degree of Declination (J2000) 34- 35 I2 arcmin DEm Arcminute of Declination (J2000) 37- 40 F4.1 arcsec DEs Arcsecond of Declination (J2000) 42- 46 F5.3 arcsec/yr pm ? Relative proper motion 48- 52 F5.1 deg pmPA ? Position angle of proper motion 54- 58 F5.2 mag BJmag ? SuperCOSMOS BJ plate emulsion magnitude 60- 64 F5.2 mag RFmag ? SuperCOSMOS R59F plate emulsion magnitude 66- 70 F5.2 mag Imag ? SuperCOSMOS IIVN plate emulsion magnitude 72- 76 F5.2 mag Jmag ? 2MASS J band magnitude 78- 82 F5.2 mag Hmag ? 2MASS H band magnitude 84- 88 F5.2 mag Kmag ? 2MASS Ks band magnitude 90- 94 F5.2 mag RF-J ? The (R59F - J) color 96-101 F6.1 pc Dist ? Estimated plate distance 102 A1 --- u_Dist []] Unreliable distance (2) 104-107 A4 --- Note Additional note(s) (3) 109-112 F4.1 pc Dist1 ? More reliable distance when unreliable distance estimate (table4 only) 114-117 F4.1 pc e_Dist1 ? rms uncertainty on Dist1
Note (1): For stars nearer than 25pc (table'4): 1 = SCR Red Dwarf Candidates <25pc 2 = SCR WD Candidates Note (2): the bracket indicates an incorrect plate distance estimate because source is either white dwarf or subdwarf candidate Note (3): Notes as follows: a = Common proper motion companion; see Table 5. b = White dwarf candidate selected from RPM diagram; if white dwarf, plate distance is incorrect; see Table 4. c = Not detected during automated search but noticed by eye during the blinking process. d = Subdwarf candidate selected from RPM diagram; if subdwarf, plate distance is incorrect. e = Source not in 2MASS. f = WD candidate with unreliable distance estimate (in brackets); more reliable WD distance estimate in note g = All colors are too blue or too red for distance relations h = WD confirmed via spectroscopy; results to be published in a future paper by coauthor J.P. Subasavage * = see file "errata.htx" (added at CDS)
Byte-by-byte Description of file: table5.dat
Bytes Format Units Label Explanations
1- 14 A14 --- Name1 Primary name 16- 20 F5.3 arcsec/yr pm1 ? Primary total proper motion 22- 26 F5.1 deg pmPA1 ? Primary position angle of proper motion 29- 33 F5.1 pc Dist1 ? Primary distance 34 A1 --- u_Dist1 [])] Unreliable distance (1) 36- 49 A14 --- Name2 Secondary name 51- 55 F5.3 arcsec/yr pm2 ?=- Secondary total proper motion 57- 61 F5.1 deg pmPA2 ?=- Secondary position angle of proper motion 63- 68 F6.1 pc Dist2 ?=- Secondary distance 69 A1 --- n_Dist2 Note on DistS (1) 71- 75 F5.1 arcsec Sep ?=- Angular separation between the 2 stars 77- 81 F5.1 deg PA ?=- Position angle between the 2 stars 83-116 A34 --- Notes Notes 118-121 A4 --- Flag Remarks (2)
Note (1): The symbols are: ) = distance unreliable; ] = distance estimate unreliable Note (2): Flags as follows: a = Distance estimate unreliable when listed (in brackets); if distance not given, BRI photometry not available b = Companion not detected during automated search but noticed to be a CPM companion during visual inspection c = Fewer than six relations; therefore, distance estimate unreliable (in parentheses); Hipparcos distance given in notes when available d = WD candidate with unreliable distance when listed (in brackets) e = No 2MASS photometry available for companion f = I photometry suspect, therefore distance unreliable (in parentheses) g = Subdwarf candidate with unreliable distance listed (in brackets) h = Distance estimate unreliable (in parentheses) because primary is likely a double
History: * 31-May-2009: From electronic version of the journal * 13-Feb-2012: Problem in the position of 1359-5212 (rec#1049), see file "errata.htx". References: Henry et al., Paper I 1994AJ....108.1437H Kirkpatrick et al., Paper II 1995AJ....109..797K Simons et al., Paper III 1996AJ....112.2238S Henry et al., Paper IV 1997AJ....114..388H Patterson et al., Paper V 1998AJ....115.1648P Henry et al., Paper VI 2002AJ....123.2002H Jao et al., Paper VII 2003AJ....125..332J Hambly et al., Paper VIII 2004AJ....128..437H Golimowski et al., Paper IX 2004AJ....128.1733G Henry et al., Paper X 2004AJ....128.2460H Deacon et al., Paper XI 2005AJ....129..409D Subasavage et al., Paper XII 2005AJ....129..413S, Cat. J/AJ/129/413 Jao et al., Paper XIII 2005AJ....129.1954J Costa et al., Paper XIV 2005AJ....130..337C Subasavage et al., Paper XV 2005AJ....130.1658S, Cat. J/AJ/130/1658 Costa et al., Paper XVI 2006AJ....132.1234C Henry et al., Paper XVII 2006AJ....132.2360H Subsavage et al., Paper XIX 2007AJ....134..252S, Cat. J/AJ/134/252 Subsavage et al., Paper XX 2008AJ....136..899S Subsavage et al., Paper XXI 2009AJ....137.4547S Riedel et al., Paper XXII 2010AJ....140..897R Winters et al., Paper XXIII 2011AJ....141...21W, Cat. J/AJ/141/21 Jao et al., Paper XXIV 2011AJ....141..117J Boyd et al., Paper XXV 2011AJ....142...10B, Cat. J/AJ/142/10 Riedel et al., Paper XXVI 2011AJ....142..104R Boyd et al., Paper XXVII 2011AJ....142...92B, Cat. J/AJ/142/92 Dieterich et al., Paper XXVIII 2012AJ....144...64D, Cat. J/AJ/144/64 Cantrell et al., Paper XXIX 2013AJ....146...99C Mamajek et al., Paper XXX 2013AJ....146..154M Jao et al., Paper XXXI 2014AJ....147...21J Dieterich et al., Paper XXXII 2014AJ....147...94D, Cat. J/AJ/147/94 Riedel et al., Paper XXXIII 2014AJ....147...85R Lurie et al., Paper XXXIV 2014AJ....148...91L Winters et al., Paper XXXV 2015AJ....149....5W, Cat. J/AJ/149/5
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 31-May-2009
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