Planetary Nebulae in the UWISH2 Galactic Plane survey
Gledhill, Timothy and Froebrich, D.
(2017)
Planetary Nebulae in the UWISH2 Galactic Plane survey.
In:
Planetary Nebulae (IAU S323) : Multi-Wavelength Probes of Stellar and Galactic Evolution.
IAU Symposium Series
.
Cambridge University Press, CHN.
ISBN 9781107169913
UWISH2 is the first unbiassed imaging survey of v$=1-0$~S(1) molecular hydrogen emission ($\lambda=2.122~\mu$m) in the northern Galactic Plane. Here we discuss 284 extended emission line objects which we consider to be candidate planetary or pre-planetary nebulae. Some are clearly associated with known PN, but the majority (60\%) have no previous detection. We have classified the objects according to morphology and find 53\% are bipolar with half of these being new detections. The remaining objects are mostly elliptical/round (35\%), fainter than the median sample flux ($4.4\times 10^{-17}$~W~m$^{-2}$) and previously undetected (74\%).
Item Type | Book Section |
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Additional information | Timothy Gledhill, D. Froebrich, 'Planetary Nebulae in the UWISH2 Galactic Plane survey', paper presented at the AU Symposium 323, Planetary nebulae: Multi-wavelength probes of stellar and galactic evolution. Beijing, China, October 10-14, 2016. |
Date Deposited | 15 May 2025 16:38 |
Last Modified | 30 May 2025 23:16 |
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