Optical and near-IR photometry indicate that HBC722 is now fading

Details Optical and near-IR photometry indicate that HBC722 is now fading Optical and near-IR photometry indicate that HBC722 is now fading

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3165....1l&link_type=abstract

The Astronomer's Telegram, #3165

Astronomy and Astrophysics

Astronomy

1

Infra-Red, Optical, Star, Variables

Scientific paper

As a target of a monitoring program of EXor variables, we are observing the pre-Main Sequence star HBC722 in NGC 7000/IC 5070 (see also ATel#2854). A large amplitude (> 3 mag) outburst of this object has recently provoked a considerable observational interest (Miller et al. 2010 arXiv:1011.2063v1; Semkov et al. 2010 arXiv:1011.1647v1). Both papers refer to HBC722 as a FUOri candidate mainly because of the presence of absorption lines in its optical and near-IR spectrum.

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