Volume 412, Number 3, December IV 2003
|Page(s)||767 - 769|
|Section||Interstellar and circumstellar matter|
|Published online||08 December 2003|
Search for molecular emission from V838 Monocerotis
Astrophysics Group, School of Chemistry and Physics, Keele University, Staffordshire, ST5 5BG, UK
2 Joint Astronomy Centre, 660 N. A`ohōkū Place, University Park, Hilo, HI 96720, USA
3 European Southern Observatory, Alonso de Cordova 3107, Casilla 19001, Santiago 19, Chile
4 Gemini Observatory, 670 N. A`ohōkū Place, University Park, Hilo, HI 96720, USA
5 Centre for Astrophysics, University of Central Lancashire, Preston, Lancashire, PR1 2HE, UK
Corresponding author: M. T. Rushton, email@example.com
Accepted: 18 September 2003
We present a search for 12CO and SiO emission in V838 Mon. We derive upper limits on the 12CO and SiO emission, and on the total mass of the circumstellar material. Using an excitation temperature of 1000 K, and a likely distance of 6 kpc, the non-detection of 12CO emission leads to a 3σ upper limit on the mass of gas around the central star to be 10-2 .
Key words: stars: circumstellar matter / stars: individual: V838 Mon
© ESO, 2003
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