An Apparent Second Plateau in the UBVRIJHK Eruption Light Curve of the Recurrent Nova U Sco

Details An Apparent Second Plateau in the UBVRIJHK Eruption Light Curve of the Recurrent Nova U Sco An Apparent Second Plateau in the UBVRIJHK Eruption Light Curve of the Recurrent Nova U Sco

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2507....1p&link_type=abstract

The Astronomer's Telegram, #2507

Astronomy and Astrophysics

Astronomy

1

Infra-Red, Optical, Cataclysmic Variables, Novae

Scientific paper

We report on the post-plateau (ATEL #2452, #2477) optical and IR behavior of the recurrent nova U Sco (IAUC #9111). We present UBVRIJHK magnitudes from the SMARTS 1.3m telescope, the SAAO 0.5m, and 16,800 fast photometry magnitudes from many small telescopes worldwide. After the relatively fast decline from V=15.1 on March 1.0 to V=16.9 on March 11.0, the decline has slowed noticeably and U Sco appears to be in a second plateau where its out-of-eclipse magnitude is fairly constant, varying between 17.1 and 16.8 in V.

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