File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- tab1.readme 80 63 This file tab1.dat 260 316 Table 1: LDN 1688 cloud members -------------------------------------------------------------------------------- Byte-by-byte Description of file: tab1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 2 I2 h RAH Right Ascension J2000 (hours) 4- 5 I2 min RAM Right Ascension J2000 (minutes) 7- 11 F5.2 s RAS Right Ascension J2000 (seconds) 13- 15 I3 deg DED Declination J2000 (degrees) 17- 18 I2 arcmin DEM Declination J2000 (minutes) 20- 24 F5.2 arcsec DES Declination J2000 (seconds) 26- 30 F5.2 mag Jmag 2MASS J 32- 36 F5.2 mag e_Jmag 2MASS e_J (1) 38- 42 F5.2 mag Hmag 2MASS H 44- 48 F5.2 mag e_Hmag 2MASS e_H (1) 50- 54 F5.2 mag Kmag 2MASS K 56- 60 F5.2 mag e_Kmag 2MASS e_K (1) 62- 64 A3 --- Qflg 2MASS Quality flag 66- 69 I4 --- SR Struve & Rudkjobing (1949) 71- 74 I4 --- WSB Wilking, Schwartz & Blackwell (1987) 76- 79 I4 --- VSSG Vrba et al. (1975) 81- 84 I4 --- GY Greene & Young (1992) 86- 89 I4 --- HYDRA Wilking et al. (2005) 91- 94 A4 --- ISO_Oph Bontemps et al. (2001) 96- 99 I4 --- IRAC Allen et al. (2006) 101-119 A19 --- Other Other designations (2) 121-142 A22 --- Xray1 Primary X-ray identification (3) 144-165 A22 --- Xray2 Secondary X-ray identification (3) 167-170 A4 --- IRAC_SED IRAC SED class 172-175 A4 --- IR_Spec_Index 3.6-24 micron spectral index 177-195 A19 --- Opt_Spec_Type Optical spectral type (4) 197-229 A33 --- IR_Spec_Type Infrared spectral type (5) 231-260 A30 --- Assoc_Crit Criteria for association membership (6) -------------------------------------------------------------------------------- Note (1): NaN (no photometric error) indicates poor quality photometry. Note (2): from Dolidze & Arakaylen (1959), Chini (1981), Bouvier & Appenzeller (1992), Martin et al. (1998), Grasdalen, Strom & Strom (1973), Vrba et al. (1976), Elias (1978), Wilking & Lada (1983), Wilking, Lada & Young (1989), Comeron et al. (1993), Strom, Kepner & Strom (1995), Allen (2002), or Leous et al. (1991). Note (3): from Montmerle et al. (1983), Casanova et al. (1995), Grosso et al. (2000), Martin et al. (1998), Kamata et al. (1997), Imanishi et al. (2001), Gagne, Skinner & Daniel (2004), N. Grosso or S. Sciortino (2005, private communication). Note (4): from Cohen & Kuhi (1979), Bouvier & Appenzeller (1992), Walter et al. (1994), Luhman, Liebert & Rieke (1997), Martin et al. (1998), Wilking (2005), Slesnick (2006). Note (5): from Greene & Meyer (1995), Greene & Lada (1997), Wilking, Greene & Meyer (1999), Luhman & Rieke (1999), Cushing (2000), Natta et al. (2002), Wilking, Meyer & Greene (2006). Note (6): membership based on detected X-ray emission (x), strong H-alpha emission (ha), lithium absorption (li), location above ZAMS in H-R diagram (ext), or infrared excess in Spitzer IRAC band 2 (B2ex), band 4 (B4ex), or in MIPS (Mex). -------------------------------------------------------------------------------- ================================================================================