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J/A+A/504/981    Proper motions of cool stars in Upper Sco OB   (Bouy+, 2009)

Proper motions of cool and ultracool candidate members in the Upper Scorpius OB association. Bouy H., Martin E.L. <Astron. Astrophys., 504, 981-990 (2009)> =2009A&A...504..981B
ADC_Keywords: Associations, stellar ; Proper motions Keywords: stars: kinematics - stars: low-mass, brown dwarfs - open clusters and associations: individual: Upper Scorpius - stars: formation Abstract: Proper motion measurements of the cool and ultracool populations in the Upper Scorpius OB association are crucial to confirm membership and to identify possible run-away objects. We cross-match samples of photometrically selected and spectroscopically confirmed cool and ultracool (K5<SpT<M8.5) candidate members in the Upper Scorpius OB association using the literature and the USNO-B (Cat. I/284) and the UCAC2 (Cat. I/294) catalogues. 251 of these objects have a USNO-B and/or UCAC2 counterpart with proper motion measurements. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table3.dat 176 227 Sample of Upper Scorpius objects with a counterpart in the USNO-B (I/284) only or USNO-B and UCAC2 (I/294) catalogues table4.dat 97 22 Sample of Upper Scorpius objects with a counterpart in the UCAC2 (I/294) catalogue only
See also: I/284 : The USNO-B1.0 Catalog (Monet+ 2003) I/294 : The UCAC2 Bright Star Supplement (Urban+, 2006) J/AJ/124/404 : Upper Sco OB association Lithium survey. II. (Preibisch, 2002) J/AJ/120/479 : Low-mass stars in the Upper Sco association (Ardila+, 2000) Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1 I1 --- r_Name Reference for name (G1) 3- 25 A23 ---- Name Name 26- 27 A2 --- n_Name [ab ] Note on Name (G2) 29- 30 I2 h RAh Right ascension (J2000) 32- 33 I2 min RAm Right ascension (J2000) 35- 38 F4.1 s RAs Right ascension (J2000) 40 A1 --- DE- Declination sign (J2000) 41- 42 I2 deg DEd Declination (J2000) 44- 45 I2 arcmin DEm Declination (J2000) 47- 50 F4.1 arcsec DEs Declination (J2000) 52- 56 A5 --- SpT MK spectral type 58- 62 F5.2 mag Rmag ?=- R magnitude from literature 64- 69 F6.3 mag Imag ?=- I magnitude from literature 71 A1 --- l_EWHa Limit flag on EWHa 72- 78 F7.2 0.1nm EWHa Halpha equivalent width (from literature) 80- 84 F5.3 arcsec r Distance between the object and its closest USNO-B (I/284) counterpart 86- 91 F6.1 yr Epoch USNO-B(I/284) epoch 93 I1 --- Nobs Number of epochs used for the proper motion measurement in USNO-B (I/284) catalogue 95- 99 F5.2 mag R1mag USNO-B (I/284) R1 magnitude 101-105 F5.2 mag R2mag USNO-B (I/284) R2 magnitude 107-111 F5.2 mag Imag1 ?=- USNO-B (I/284) I magnitude 113-116 I4 mas/yr pmRA USNO-B (I/284) proper motion along RA, pmRA*cosDE 118-119 I2 mas/yr e_pmRA rms uncertainty on pmRA 121-124 I4 mas/yr pmDE USNO-B (I/284) proper motion along DE 126-127 I2 mas/yr e_pmDE rms uncertainty on pmDE 129-131 F3.1 --- muProb Probability estimator for the likelihood that the proper motion is correct as defined in the USNO-B (I/284) catalogue 133-134 A2 --- l_Mm Limit flag on Mm 135-138 F4.1 % Mm Membership probability for USNO-B (I/284) catalog 140-144 F5.3 arcsec r2 ?=- Distance between the object and its closest UCAC2 (I/294) counterpart 146-151 F6.1 mas/yr pmRA2 ?=- UCAC2 (I/294) proper motion along RA, pmRA*cosDE 153-156 F4.1 mas/yr e_pmRA2 ? rms uncertainty on pmRA 158-163 F6.1 mas/yr pmDE2 ?=- UCAC2 (I/294) proper motion along DE 165-168 F4.1 mas/yr e_pmDE2 ? rms uncertainty on pmDE 171-172 A2 --- l_Mm2 Limit flag on Mm2 173-176 F4.1 % Mm2 ?=- Membership probability for UCAC2 (I/294) catalog
Byte-by-byte Description of file: table4.dat
Bytes Format Units Label Explanations
1 I1 --- r_Name Reference for name (G1) 3- 25 A23 ---- Name Name 26- 27 A2 --- n_Name [ab ] Note on Name (G2) 29- 30 I2 h RAh Right ascension (J2000) 32- 33 I2 min RAm Right ascension (J2000) 35- 38 F4.1 s RAs Right ascension (J2000) 40 A1 --- DE- Declination sign (J2000) 41- 42 I2 deg DEd Declination (J2000) 44- 45 I2 arcmin DEm Declination (J2000) 47- 48 I2 arcsec DEs Declination (J2000) 50- 51 A2 --- SpT MK spectral type 53- 56 F4.1 mag Rmag R magnitude from literature 58- 62 F5.1 0.1nm EWHa Halpha equivalent width from literature 64- 68 F5.3 arcsec r2 Distance between the object and its closest UCAC2 (I/294) counterpart 70- 74 F5.1 mas/yr pmRA2 UCAC2 (I/294) proper motion along RA, pmRA*cosDE 76- 79 F4.1 mas/yr e_pmRA2 rms uncertainty on pmRA 81- 85 F5.1 mas/yr pmDE2 UCAC2 (I/294) proper motion along DE 87- 90 F4.1 mas/yr e_pmDE2 rms uncertainty on pmDE 92- 93 A2 --- l_Mm2 Limit flag on Mm2 94- 97 F4.1 % Mm2 Membership probability for UCAC2 (I/294) catalog
Global notes: Note (G1): Names are from: 1 = Preibisch et al., 2002, J/AJ/124/404P, in Simbad: USco-hhmmss.ss+ddmmss.s = [PBB2002] USco Jhhmmss.ss+ddmmss.s 2 = Ardila et al. (2000, Cat. J/AJ/120/479) 3 = Martin et al. (2004AJ....127..449M) 4 = Martin et al. (2009, in prep.) 5 = Slesnick et al. (2008ApJ...688..377S), in Simbad: SCHJHHMMSSss+DDMMSSss = [SCH2006] JHHMMSSss+DDMMSSss Note (G2): Note as follows: a = Object classified as outlier (P<0.1% within the uncertainties, see Fig. 3) b = resolved as a multiple system and discarded from the list of outlier candidates
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 09-Nov-2009
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