we propose cam-cvf observations of the central 3 arc minutes of m 31 as well as cam observations in several filters of a more extended region, 8 minutes in size. the nuclear regions of m 31 exhibit strong near-ir emission due to red giants, as well as dust clouds and ionized gas apparently distributed in an inclined spiral structure. our observations should allow a better view of this structure unbiased by extinction, and a study of the emission of the unidentified infrared bands in a situation very different from those encountered in our galaxy: higher heavy-element abundance, strong visible and near-ir radiation field with different amounts of uv according to the position in the field. this will help to understand the origin of the gas and dust which is present around the nucleus of m 31.
Instrument
CAM01 , CAM04
Temporal Coverage
1997-06-21T10:27:48Z/1997-12-15T21:48:43Z
Version
1.0
Mission Description
The Infrared Space Observatory (ISO) was the worlds first true orbiting infrared observatory. Equipped with four highly-sophisticated and versatile scientific instruments, it was launched by Ariane in November 1995 and provided astronomers world-wide with a facility of unprecedented sensitivity and capabilities for a detailed exploration of the Universe at infrared wavelengths.
European Space Agency, Lequeux et al., 1999, 'CAM-CVF OBSERVATIONS OF THE NUCLEAR REGION OF M 31', 1.0, European Space Agency, https://doi.org/10.5270/esa-0ccefwb
