• DOI:10.1093/pasj/psv008
Corpus ID: 118574497

A study on the mid-infrared sources that dramatically brightened

@article{Onozato2015ASO,
  title={A study on the mid-infrared sources that dramatically brightened},
  author={H. Onozato and Y. Ita and K. Ono and M. Fukagawa and K. Yanagisawa and H. Izumiura and Y. Nakada and N. Matsunaga},
  journal={Publications of the Astronomical Society of Japan},
  year={2015},
  volume={67},
  pages={39}
}

H. Onozato, Y. Ita, +5 authors N. Matsunaga

Published 2015

Physics

Publications of the Astronomical Society of Japan

We present results of near-infrared photometric and spectroscopic observations of mid-infrared (MIR) sources that dramatically brightened. Using IRAS, AKARI, and WISE point source catalogs, we found that 4 sources (IRAS 19574+491, V2494 Cyg, IRAS 22343+7501, and V583 Cas) significantly brightened at MIR wavelengths over the 20-30 years of difference in observing times. Little is known about these sources except V2494 Cyg, which is considered a FU Orionis star. Our observation clearly resolves… CONTINUE READING

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