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J/PASJ/58/L29   JHK photometry of low-mass stars in BRC 14  (Matsuyanagi+, 2006)

Sequential formation of low-mass stars in the BRC 14 region. Matsuyanagi I., Itoh Y., Sugitani K., Oasa Y., Mukai T., Tamura M. <Publ. Astron. Soc. Jap., 58, L29-L34 (2006)> =2006PASJ...58L..29M
ADC_Keywords: Molecular clouds ; Stars, masses ; Photometry, infrared Keywords: infrared: stars - stars: formation - stars: low-mass, brown dwarfs - stars: luminosity function, mass function Abstract: We carried out a deep near-infrared survey of a bright-rimmed molecular cloud, BRC 14 (IC 1848A). The 10σ limiting magnitude of the survey is 17.7mag at the K-band. Seventy-four sources are classified as young stellar object (YSO) candidates based on a near-infrared color-color diagram. The faintest YSO candidates may have masses on the order of tenths of the solar mass, assuming an age of 1Myr. We examined three values as indicators of star formation: fraction of the YSO candidates, extinctions of all sources, and near-infrared excesses of the YSO candidates. All indicators increase from outside of the rim to the center of the molecular cloud, which suggests that the formation of the low-mass stars in the BRC 14 region proceeds from outside to the center of the cloud. Description: The observations were carried out in 2001 August 26 with the Simultaneous-3 color InfraRed Imager for Unbiased Survey (SIRIUS) mounted on the 2.2m telescope of University of Hawaii. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tablee1.dat 90 74 Near-infrared survey of BRC 14 (IC 1848A)
Byte-by-byte Description of file: tablee1.dat
Bytes Format Units Label Explanations
1- 2 I2 --- [MIS2006] Sequential number 4 I1 h RAh Right ascension (J2000) 6- 7 I2 min RAm Right ascension (J2000) 9- 12 F4.1 s RAs Right ascension (J2000) 14 A1 --- DE- Declination sign (J2000) 15- 16 I2 deg DEd Declination (J2000) 18- 19 I2 arcmin DEm Declination (J2000) 21- 22 I2 arcsec DEs Declination (J2000) 24- 28 F5.2 mag Jmag J magnitude 30 A1 --- leJmag Limit flag on e_Jmag 31- 34 F4.2 mag e_Jmag rms uncertainty on Jmag 36- 40 F5.2 mag Hmag H magnitude 42 A1 --- leHmag Limit flag on e_Hmag 43- 46 F4.2 mag e_Hmag rms uncertainty on Hmag 48- 52 F5.2 mag Ksmag Ks magnitude 54 A1 --- leKsmag Limit flag on e_Ksmag 55- 58 F4.2 mag e_Ksmag rms uncertainty on Ksmag 60- 90 A31 ---- Onames Other names (1)
Note (1): [OSP02] NN = [OSP2002] BRC 14 NN in Simbad
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 01-Jun-2007
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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