Deep GALEX and Optical Images of the R Aqr Symbiotic System

Details Deep GALEX and Optical Images of the R Aqr Symbiotic System Deep GALEX and Optical Images of the R Aqr Symbiotic System

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21915348n&link_type=abstract

American Astronomical Society, AAS Meeting #219, #153.48

Astronomy and Astrophysics

Astronomy

Scientific paper

R Aqr is a symbiotic system with extended and recurring stellar jets and complex surrounding nebular structure. Recent work with Chandra and FUSE have shown that the jets are moving outward with a bulk velocity of up to 600 km/s, with new jets being formed on timescales of years or less. We present new deep GALEX NUV images of the full field of this system. In addition, we have acquired optical narrow-band emission line images in [OI], [OII], and [OIII] that bracket the GALEX data in time. These new datasets allow a direct comparison of the ionization levels in the regions of enhanced emission in both of the wavelength regimes, constraining the temperature and emission mechanisms.

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