Photometry and spectroscopy for a bright FeII nova in M81

Details Photometry and spectroscopy for a bright FeII nova in M81 Photometry and spectroscopy for a bright FeII nova in M81

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1067....1r&link_type=abstract

The Astronomer's Telegram, #1067

Astronomy and Astrophysics

Astronomy

2

Optical, Novae

Scientific paper

On April 15 Hornoch et al. reported two apparent novae in M81 (CBET #924). Here we present the results of imaging and spectroscopy follow-up of the 2nd (brighter) event. Nightly g,r,i' and z' photometry was obtained at the Palomar 60inch Telescope from April 17 to April 27. Exposures were typically 3x180s in each band and the data were photometrically calibrated relative to the SDSS. During the period of observations, the light curve showed a gradual, monochromatic (g-r~0.6 mag, g-i~0.8 mag) decline with a rate of ~0.15 magnitudes per day (see Tables below).

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