Aims: V838 Monocerotis erupted in 2002, brightened in a series of outbursts, and eventually developed a spectacular light echo. A very red star emerged a few months after the outburst. The whole event has been interpreted as the result of a merger.
Methods: We obtained near- and mid-IR interferometric observations of
Results: A significant new result is the detection of a compact structure around
Conclusions: After the 2002 eruption, which was interpreted as the merging of two stars, it seems that the resulting source is relaxing to a normal state. The nearby environment exhibits an equatorial overdensity of dust up to several hundred AU.
Astronomy and Astrophysics
- Pub Date:
- September 2014
- techniques: high angular resolution;
- stars: individual: V838 Monocerotis;
- circumstellar matter;
- stars: mass-loss;
- Astrophysics - Solar and Stellar Astrophysics
- Astronomy and Astrophysics (2014) Will be set by the publisher