Erratum: The Late Afterglow and Host Galaxy of GRB 990712

Details Erratum: The Late Afterglow and Host Galaxy of GRB 990712 Erratum: The Late Afterglow and Host Galaxy of GRB 990712

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...539l..75h&link_type=abstract

The Astrophysical Journal, Volume 539, Issue 1, pp. L75-L75.

Astronomy and Astrophysics

Astrophysics

8

Scientific paper

In the Letter ``The Late Afterglow and Host Galaxy of GRB 990712'' by J. Hjorth, S. Holland, F. Courbin, A. Dar, L. F. Olsen, & M. Scodeggio (ApJ, 534, L147 [2000]), there was an error in the flux calibration of the spectrum. The y-axis scale of Figure 2 and the fluxes in the last column of Table 1 should be multiplied by a factor of 3.47 to read 2.25, 0.86, 1.61, and 3.79×10-16 ergs s-1 cm-2. The error affects the luminosities and star formation rates (SFRs) presented in the third and fourth paragraphs of § 5 as follows. In the third paragraph, the total SFR based on the continuum flux should be 0.91-1.41 Msolar yr-1 instead of 0.29-0.45 the [O II] luminosity should be L3727=1.5×1041 ergs s-1 instead of 6.3×1040 and the implied [O II] SFR should be 2.12+/-0.60 Msolar yr-1 instead of 0.88+/-0.25. Consequently, the last two sentences of this paragraph are revised to read ``The derived SFR (from the [O II] flux) is about half of the SFR found by Bloom et al. (1999b) for the host of GRB 990123 and 2-3 times that of the host of GRB 970508 (Bloom et al. 1998). The specific SFR per unit luminosity of the GRB 990712 host galaxy is comparable to that of the host galaxies of GRB 990123 and GRB 970508.'' In the fourth paragraph, the total V-band flux in the feature should be 0.405+/-0.004 μJy instead of 0.323+/-0.003 the power-law spectral index should be β=-2.57 instead of -2.93 and the SFR in the feature should be 0.11-0.17 Msolar instead of 0.03-0.05. The main results and conclusions of the original Letter are unaffected by the error. The authors thank P. M. Vreeswijk for bringing this error to their attention.

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