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J/PASP/110/553      Supernova rate in starburst galaxies (Richmond+ 1998)

The supernova rate in starburst galaxies Richmond M.W., Filippenko A.V., Galisky J. <Publ. Astron. Soc. Pac. 110, 553 (1998)> =1998PASP..110..553R (SIMBAD/NED BibCode)
ADC_Keywords: Supernovae ; Magnitudes, absolute ; Redshifts Abstract: We conducted an optical CCD search for supernovae in a sample of 142 bright [m(B)≤16mag], nearby (z≤0.03) starburst galaxies over the period 1988 December to 1991 June, to a limiting R-band magnitude of 18. Five supernovae were found, in all cases outside the host galaxy's nucleus. We determine supernova rates (in supernova units or SNU) in the extranuclear regions to be 0.7h2SNU for Type Ia, 0.7h2SNU for Type Ib/c, and 0.6h2SNU for Type II, with large uncertainties but upper limits of 2.2h2, 2.5h2, and 1.7h2SNU, respectively. These rates are similar to those measured in "normal" galaxies. We found no evidence for a supernova-induced brightening in any galactic nucleus and, with a few reasonable assumptions, can place upper limits of 9h2, 12h2, and 7h2SNU on the rates of unobscured supernovae Types Ia, Ib/c, and II, respectively, inside the nuclei. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 49 142 Supernova rate in starburst galaxies
Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 14 A14 --- Name Galaxy name 16- 19 F4.1 mag Bmag ? B magnitude 20 A1 --- n_Bmag [d] Note on Bmag (3) 22- 26 F5.3 --- z Redshift 28- 31 F4.2 mag AV V absorption 33- 37 F5.1 mag M0B ? Absolute B magnitude (1) 39- 43 F5.1 mag M0Rnuc Nuclear absolute R magnitude (2) 45- 48 F4.1 [solLum] log(FIR) ? log10 of far-IR flux
Note (1): Calculated using H0=57km/s/Mpc, and corrected for Galactic extinction Note (2): Within a circular aperture of diameter 5.8" centered on nucleus Note (3): d: Value taken from Soifer et al. (1987ApJ...320..238S) and corrected as follow: m=mb(Soifer)-0.09.
History: From the electronic version of PASP
(End) James Marcout, Patricia Bauer [CDS] 22-Jun-1998
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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