SN2010U -- a Luminous Nova in NGC 4214
Roberta M. Humphreys, Jose L. Prieto, Philip Rosenfield, L. Andrew, Helton, Christopher S. Kochanek, K. Z. Stanek, Rubab Khan, Dorota Szczygiel,, Karen Mogren, Robert A. Fesen, Dan Milisavljevic, Benjamin Williams, Jeremiah, Murphy, Julianne Dalcanton, Karoline Gilbert
TL;DR
SN 2010U was a luminous, fast nova in NGC 4214, characterized by its brightness, rapid light curve decline, and spectral features, with no detected progenitor in pre-outburst images.
Contribution
This study provides detailed observational analysis of SN 2010U, confirming its classification as a luminous, fast nova and expanding understanding of such events in external galaxies.
Findings
SN 2010U reached a high outburst magnitude consistent with fast novae.
Spectral analysis supports the nova classification.
No progenitor detected in deep pre-outburst images.
Abstract
The luminosity, light curve, post--maximum spectrum, and lack of a progenitor on deep pre-outburst images suggest that SN 2010U was a luminous, fast nova. Its outburst magnitude is consistent with that for a fast nova using the Maximum Magnitude-Rate of Decline relationship for classical novae.
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