Carbon and Oxygen Depletion and Extinction in the Translucent Cloud Toward HD 34534 (X Persei)

Details Carbon and Oxygen Depletion and Extinction in the Translucent Cloud Toward HD 34534 (X Persei) Carbon and Oxygen Depletion and Extinction in the Translucent Cloud Toward HD 34534 (X Persei)

Sep 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...504l..55s&link_type=abstract

Astrophysical Journal Letters v.504, p.L55

Astronomy and Astrophysics

Astronomy

3

Errata, Addenda

Scientific paper

In the Letter "Carbon and Oxygen Depletion and Extinction in the Translucent Cloud toward HD 24534 (X Persei)" byT. P. Snow, M. M. Hanson, J. H. Black, E. F. van Dishoeck, R. M. Crutcher, and B. L. Lutz (ApJ, 496, L113 [1998]), there was an error in the data reduction for the 2325 A line of C II], and the result for the carbon abundance in this line of sight should be corrected to show that the C II] line was detected (at the 3 sigma level) with an equivalent width of 0.90 +/- 0.30 mA, yielding a column density of 3 +/- 1 x 1017 cm-2. This result is similar to that of U. J. Sofia, E. L. Fitzpatrick, and D. M. Meyer (ApJ, 504, L47 [1998]), who have reanalyzed the same data. We find a line velocity (heliocentric) of +15 km s-1, which is in good agreement with previous measures of interstellar lines toward this star (e.g., D. J. Lien, Ph.D. thesis, Univ. Illinois [1984]). The cause of the original discrepancy is worth noting: we used the so-called FP-SPLIT procedure in the observations of C II] toward HD 24534, in which the exposure time was divided into a pattern of

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