Dust properties of NGC 2076

Details Dust properties of NGC 2076 Dust properties of NGC 2076

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...333..803s&link_type=abstract

Astronomy and Astrophysics, v.333, p.803-808 (1998)

Astronomy and Astrophysics

Astrophysics

10

Galaxies: Individual: Ngc 2076, Dust, Extinction, Galaxies: Elliptical And Lenticular, Cd, Galaxies: Ism, Galaxies: Photometry

Scientific paper

We present multiband CCD surface photometry of NGC 2076, an early-type galaxy with a broad dust lane. We investigate the wavelength dependence of the dust extinction and derive the apparent extinction law. The extinction varies linearly with inverse wavelength with a ratio of total to selective extinction R_V = 2.70+/-0.28. The smaller value of R_V relative to the Galactic value implies that the size of `large' dust grains, responsible for extinction, is smaller than that in our Galaxy. We calculate the dust mass from total extinction, as well as from the color excess. We use IRAS data on FIR emission to determine the dust temperature, star formation rate and star formation efficiency. Based on observations taken from VBO, Kavalur, India

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