Publication
IRAS 22568 + 6141 - A new bipolar planetary nebula
The identification of a bipolar planetary nebula is reported with a description of its characteristics. The nebula IRAS 22568 + 6141 has an extension of 8...
-
-
PublicationIRAS 22568+6141: a new bipolar nebula.Not Available
-
PublicationIron Depletion in Ionized Nebulae of the Large Magellanic CloudWe present here preliminary results of an analysis of the iron abundance in the ionized gas of three planetary nebulae and one H II region of the Large...
-
PublicationJets, Knots, and Tails in Planetary Nebulae: NGC 3918, K1-2, and Wray 17-1We analyze optical images and high-resolution, long-slit spectra of three planetary nebulae that possess collimated, low-ionization features. NGC 3918 is...
-
PublicationJHKL photometry of Hen 2-147 (Santander-Garcia+, 2007)Near-Infrared JHKL photometry of the symbiotic star Hen 2-147 between 1981 and 2005, monitored from the South African Astronomical Observatory (SAAO) at...
-
PublicationJWST observations of the Ring Nebula (NGC 6720): I. Imaging of the rings, globules, and arcsWe present JWST images of the well-known planetary nebula NGC 6720 (the Ring Nebula), covering wavelengths from 1.6 to 25 $\, \mu$m. The bright shell is...
-
PublicationK 3-22: a D-type symbiotic starA goal of the IPHAS survey is to determine the frequency and nature of emission-line sources in the Galactic plane. According to our selection criteria, K 3-22...
-
PublicationK 4-47: a planetary nebula excited by photons and shocksK 4-47 is an unusual planetary nebula (PN) composed of a compact high-ionization core and a pair of low-ionization knots. Long-slit medium-resolution spectra of...
-
PublicationK4-55: A Bipolar Planetary Nebula Observed near Pole-onA comprehensive study of the planetary nebula K4-55 is presented. In addition to CCD narrowband images, spatially resolved low-dispersion and high-resolution...