Erratum: ``1,3-Dihydroxyacetone in Sagittarius B2(N-LMH): The First Interstellar Ketose'' (ApJ, 624, L33 [2005])

Details Erratum: ``1,3-Dihydroxyacetone in Sagittarius B2(N-LMH): The First Interstellar Ketose'' (ApJ, 624, L33 [2005]) Erratum: ``1,3-Dihydroxyacetone in Sagittarius B2(N-LMH): The First Interstellar Ketose'' (ApJ, 624, L33 [2005])

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005apj...632l.163w&link_type=abstract

The Astrophysical Journal, Volume 632, Issue 2, pp. L163-L163.

Astronomy and Astrophysics

Astronomy

Errata, Addenda

Scientific paper

The Einstein A-coefficients times the upper state degeneracy values (Agu) in Table 1 were calculated incorrectly because of an inconsistency in the partition functions used to generate the spectral predictions presented in the laboratory work (S. L. Widicus, R. Braakman, D. R. Kent IV, & G. A. Blake, ApJ, 624, L33 [2005]) and in the submillimeter and microwave spectral line catalog available at ApJ, 624, L33 [2005] (H. M. Pickett, R. L. Poynter, E. A. Cohen, M. L. Delitsky, J. C. Pearson, & H. S. P. Muller, J. Quant. Spectrosc. Radiat. Transfer, 60, 883 [1998]). We thank J. M. Hollis for bringing this discrepancy to our attention. The correct Agu values are reported in Table 1 below.
This correction increases the quantity ln[(8πkν2)/(hc3Agu)-∞∞Tbdv] by roughly a factor of 3 and therefore shifts the points on the rotation diagram (Fig. 3) upward, leading to a revised DHA column density of (1.54+/-0.75)×1016 cm-2. This increase in the column density further strengthens the conclusion that, if confirmed, DHA would be among the most abundant complex molecules in the Sgr B2(N-LMH) hot core.

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