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AKARI Mission Program: Excavating Mass Loss History in Extended Dust Shells of Evolved Stars (MLHES) I. Far-IR Photometry
Toshiya Ueta, Andrew J. Torres, Hideyuki Izumiura +3
We performed a far-IR imaging survey of the circumstellar dust shells of 144 evolved stars as a mission programme of the AKARI infrared astronomical satellite using the Far-Infrare…
An Imaging Spectroscopic Survey of the Planetary Nebula NGC 7009 with MUSE
J. R. Walsh, A. Monreal-Ibero, M. J. Barlow +6
The spatial structure of the emission lines and continuum over the 50 arcsecond extent of the nearby, O-rich, planetary nebula NGC 7009 (Saturn Nebula) have been observed with the…
Morpho-Kinematics of the Circumstellar Environments around Post-AGB Stars
Toshiya Ueta, Hideyuki Izumiura, Issei Yamamura +1
We observed two proto-planetary nebulae, HD 56126 representing a source with an elliptical circumstellar shell and IRAS 16594-4656 representing a source with a bipolar circumstella…
On Surface Brightness and Flux Calibration for Point and Compact Extended Sources in the AKARI Far-IR All-Sky Survey (AFASS) Maps
Toshiya Ueta, Ryszard Szczerba, Andrew G. Fullard +1
The AKARI Infrared Astronomical Satellite produced the all-sky survey (AFASS) maps in the far-IR at roughly arc-minute spatial resolution, enabling us to investigate the whole sky…
Herschel Planetary Nebula Survey (HerPlaNS): Hydrogen Recombination Laser Lines in Mz 3
Isabel Aleman, Katrina Exter, Toshiya Ueta +12
The bipolar nebula Menzel 3 (Mz 3) was observed as part of the \textit{Herschel} Planetary Nebula Survey (\textit{HerPlaNS}), which used the PACS and SPIRE instruments aboard the \…