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Authors whose works are in public domain in at least one jurisdiction

List of works by Karen B. Kwitter

1-50 of 65 results

The bizarre spectrum of SS 433

scientific article published in January 1979

The shaping of planetary nebula Sh 2-188 through interaction with the interstellar medium

scholarly article

An atlas of ancient planetary nebulae and their interaction with the interstellar medium

scientific article published in January 1996

A new look at carbon abundances in planetary nebulae. III. DDDM1, IC 3568, IC 4593, NGC 6210, NGC 6720, NGC 6826, and NGC 7009

scholarly article

Large planetary nebulae and their significance to the late stages of stellar evolution

scientific article published in January 1990

Planetary Nebulae in the Globular Cluster PAL 6 and NGC 6441

scientific article published in Astronomical Journal

Sulfur, chlorine, and argon in planetary nebulae. I. Observations and abundances in a northern sample

scientific article published in January 2001

A new look at carbon abundances in planetary nebulae. II. BB 1, NGC 650, NGC 1535, NGC 2440, and NGC 7027

scholarly article

The multiple-shell structure of the planetary nebula NGC 6751

scientific article published in January 1991

Chemical compositions of H II regions in the Triangulum spiral, M 33

scientific article

Spectrophotometry of planetary nebulae. III. IIDS observations of compact nebulae

A new look at carbon abundances in planetary nebulae. IV. Implications for stellar nucleosynthesis

scientific article published in January 2000

The chemical composition and origin of the Wolf-Rayet ring nebula NGC 6888

scientific article published in January 1981

Alpha element abundances in a large sample of Galactic planetary nebulae

scientific article published in January 2010

Two planetary nebula candidates around hot DA white dwarfs

scientific article published in January 1994

The relation between radius and expansion velocity in planetary nebulae

scholarly article

Sulfur, chlorine, and argon abundances in planetary nebulae. III. Observations and results for a final sample

Spectra of three planetary nebulae and a search for nebular emissions around 12 sdO stars

scientific article published in January 1988

Physical Structure of Planetary Nebulae. I. The Owl Nebula

scientific article published in Astronomical Journal

Morphology and composition of the Helix Nebula

scientific article published in January 1999

Photometry of the 1980 outburst of AG Draconis

scientific article

The spectrum and luminosity of the low-redshift QSO 0241+622

scientific article published in January 1978

H-alpha images of the Cygnus Loop: a new look at shock-wave dynamics in an old supernova remnant

scientific article published in January 1992

Sulfur, chlorine, and argon abundances in planetary nebulae. IIB. Abundances in a southern sample

Sulfur, chlorine, and argon abundances in planetary nebulae. IV. Synthesis and the sulfur anomaly

scientific article published in January 2004

The chemistry of planetary nebulae in the outer regions of M31

scholarly article

Abundances of Galactic anticenter planetary nebulae and the oxygen abundance gradient in the Galactic disk

scholarly article

An interactive gallery of planetary nebula spectra

scientific article

The internal motions in multiple shell planetary nebulae

scientific article published in January 1984

Metal-rich planetary nebulae in the outer reaches of M31

scientific article published in January 2013

A multiwavelength analysis of the halo planetary nebula DdDm-1

scholarly article

Identification of faint central stars in extended, low-surface-brightness planetary nebulae

scientific article published in January 1988

Chemical composition of the peculiar nebula YM 29

scholarly article

Schmidt CCD images of the Dumbell nebula (NGC 6853)

scholarly article

Co-spatial UV-optical HST/STIS Spectra of Six Planetary Nebulae: Nebular and Stellar Properties1

scientific article

ROSAT observations of the Dumbell nebula (NGC 6853)

scientific article published in January 1992

Classification of the planetary nebula YM 29 (=S 274 = A 21)

scientific article published in January 1983

Planetary nebula abundances, stellar yields, and the galactic evolution of ^12^C and ^14^N

scholarly article

Sulfur, chlorine, and argon abundances in planetary nebulae III: observations and results for a final sample

scholarly article

The planetary nebula around the sdO star RWT 152

scientific article published in January 1984

The filamentary nebula S 188

scientific article published in January 1982

C [III] imagery of planetary nebulae and H II regions

scholarly article

Properties of central stars in 13 faint, extended planetary nebulae

scientific article published in January 1989

The ionization structure of old planetary nebulae which interact with the interstellar medium

scientific article published in January 1994

Chemical Composition of the Peculiar Planetary Nebula YM29

scholarly article

Spectrophotometry of the compact planetary nebulae NGC 6879 and NGC 6881

scientific article published in January 1987

On the origin of planetary nebula K648 in globular cluster M15

scientific article published in January 1997

A new look at carbon abundances in planetary nebulae. I. PB 6, Hu 2-1, K648, and H4-1

CCD imaging of planetary nebula halos

scientific article published in January 1993

A search for remnant planetary nebulae around hot subdwarf O stars

scientific article published in January 1988