/ftp/cats/J_AN/333/60



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J/AN/333/60         Colour indices of selected OB stars       (Krelowski+, 2012)
The following files can be converted to FITS (extension .fit or fit.gz)
	b0.dat b1.dat b1e.dat b2.dat b3.dat o9.dat
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Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/AN/333/60
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drwxr-xr-x 7 cats archive 140 May 23 2013 [Up] drwxr-xr-x 3 cats archive 4096 Jun 12 16:45 [TAR file] -rw-r--r-- 1 cats archive 496 Feb 11 2012 .message -r--r--r-- 1 cats archive 4636 Feb 11 2012 ReadMe -rw-r--r-- 1 cats archive 676 Feb 11 2012 +footg5.gif -rw-r--r-- 1 cats archive 5138 Feb 11 2012 +footg8.gif -r--r--r-- 1 cats archive 2666 Jan 19 2012 b0.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 15824 Jan 19 2012 b1.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 1892 Jan 19 2012 b1e.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 12298 Jan 19 2012 b2.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 10320 Jan 19 2012 b3.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 6708 Jan 19 2012 o9.dat [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : J/AN/333/60 Colour indices of selected OB stars (Krelowski+, 2012) ================================================================================ Limited diversity of the interstellar extinction law Krelowski J., Strobel A. <Astron. Nachrichten 333, 60 (2012)> =2012AN....333...60K ================================================================================ ADC_Keywords: Stars, OB ; Photometry, ultraviolet ; Photometry, UBV ; Photometry, infrared Keywords: ISM: clouds - ISM: molecules - dust, extinction Abstract: We have applied the method of investigating extinction curves using statistically meaningful samples that was proposed by us 25 years ago. The extensive data sets of the ANS (Astronomical Netherlands Satellite) and 2MASS (Two Micron All Sky Survey) were used, together with UBV photometry to create average extinction curves for samples of OB stars. Our results demonstrate that in the vast majority of cases the extinction curves are very close to the mean galactic extinction curve. Only a few objects were found to be obviously discrepant from the average. The latter phenomenon may be related to nitrogen chemistry in translucent interstellar clouds. Description: Tables contain V magnitudes and colour indices: (B-V), (U-V), (1500-V), (1800-V), (2200-V), (3300-V), (J-V), (H-V) and (K-V) of selected stars of spectral types: O9V, B0V, B1V, B1Ve, B2V and B3V. Spectral type of each star is according to SIMBAD. The stars are identified with their HD/BD numbers or names. The used photometry was taken from: U,B,V (in the Johnson System) from SIMBAD magnitudes at 5 ANS passbands (15, 18, 22, 25, 33) from Wesselius et al. (1982, Cat. II/97) J, H, K from IR 2MASS Catalog (Kleinmann et al., 1994Ap&SS.217...11K).

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