List of works by Karen S. Bjorkman

A Spectroscopic Orbit for the Late-type Be Star β CMi

scientific article published in the Astrophysical Journal

A Study of π Aquarii during a Quasi‐normal Star Phase: Refined Fundamental Parameters and Evidence for Binarity

scientific article published in the Astrophysical Journal

A hot neon nova : optical spectrophotometry and the physics of nova Cygni 1992

scientific article published in January 1993

A new diagnostic of the radial density structure of Be disks

scientific article published in January 2011

A new phase of activity of the Herbig Be star HD 200775 in 2001: Evidence for binarity

scientific article published in Astronomy and Astrophysics

A radio survey of IRAS-selected Be stars

scientific article published in January 1990

A rotating, expanding disk in the Wolf-Rayet star EZ Canis Majoris ?

scientific article published in January 1990

A study of the B[e] star AS 160

scholarly article

A study of the asymetric wind of P Cygni

scientific article published in January 1991

An atlas of spectra of B6–A2 hypergiants and supergiants from 4800 to 6700 Å

scientific article published in Astronomy and Astrophysics

Astro-1 and ground-based observations of Markarian 335 : evidence for an accretion disk

scientific article published in January 1995

CHARA array K'-band measurements of the angular dimensions of Be star disks

scientific article published in January 2007

Circumstellar disk diagnostics from polarimetry and infrared excesses

Combined visible- ultraviolet spectropolarimetry using WUPPE data

scholarly article in Bulletin of the American Astronomical Society, vol. 21, 1989

Constraints on the geometry of circumstellar envelopes: optical interferometric and spectropolarimetric observations of seven Be stars

scientific article published in January 1997

Coordinated ultraviolet and H{alpha} spectroscopy of bright O-type stars

scientific article published in January 1997

Cyclic variability of the circumstellar disk of the Be star {zeta} Tauri. I. Long-term monitoring observations

scientific article published in Astronomy and Astrophysics

DIVISION IV-V / WORKING GROUP ACTIVE B STARS

Dead or Alive? Long-term evolution of SN 2015bh (SNhunt275)

scientific article

Deriving the geometry of Be star circumstellar envelopes from continuum spectropolarimetry. I. The case of {zeta} Tauri

scientific article published in January 1997

Detection of accreting gas toward HD 45677: a newly recognized Herbig Be proto-planetary system

scientific article

Diagnosing the circumstellar environment of HD163296

scholarly article

Discovery of a new dusty B[e] star in the Small Magellanic Cloud

scientific article published in January 2007

Discovery of spectral variation in the optical counterpart of IRAS 01005+7910

scientific article published in Astronomy and Astrophysics

Discovery of the acceleration in the wind emission lines of CI Cam

scholarly article

Disk-loss and disk-renewal phases in classical Be stars – II. Detailed analysis of spectropolarimetric data

scientific article

Disk-loss and disk-renewal phases in classical Be stars. I. Analysis of long-term spectropolarimetric data

scientific article published in January 2010

Disk-loss and disk-renewal phases in classical Be stars. II. Contrasting with stable and variable disks

scientific article published in January 2014

Doppler tomography of the circumstellar disk ofπAquarii

scientific article published in Astronomy and Astrophysics

Evidence for a bipolar geometry in R Coronae Borealis?

scientific article published in January 1997

Evidence for a bipolar nebula around the peculiar B[e] star HD 45677 from ultraviolet spectropolarimetry

scientific article published in January 1992

Evolution of the inner circumstellar envelope of V838 Monocerotis

scientific article published in January 2003

First look at new WUPPE/Astro-2 observations of hot stars

scholarly article

First ultraviolet spectopolarimetry of Be stars: a look at WUPPE observations

scientific article published in January 1991

First ultraviolet spectropolarimetry of Be stars from the Wisconsin ultraviolet photo-polarimeter experiment

scientific article published in January 1991

First ultraviolet spectropolarimetry of hot supergiants

scientific article published in January 1991

Fundamental parameters and evolutionary state of the Herbig Ae star candidate HD 35929

scientific article published in Astronomy and Astrophysics

HD 19993 and HD 29035: New bright A-type emission-line stars

scientific article published in Astronomy and Astrophysics

HR 4049: temporal variations in the structure of the circumstellar material

scholarly article

High State of Hα Emission Activity of the Herbig Be Star HD 200775

High spatial resolution Mid-IR imaging of V838 Monocerotis: evidence of new circumstellar dust creation

scientific article published in January 2008

High-resolution spectroscopy of {delta} Sco during a recent h{alpha} emission phase

scientific article published in January 2000

Highly ionized stellar winds in Be stars. II - Winds in B6-B9.5e stars

scientific article published in the Astrophysical Journal

Highly ionized stellar winds in Be stars: the evidence for aspect dependence

scientific article published in January 1987

INTER-DIVISION IV-V / WORKING GROUP ACTIVE B-TYPE STARS

Influence of day care experiences and demographic variables on social behavior in kindergarten

scientific article published on January 1992

Long-term spectroscopic and polarimetric monitoring of R Coronae Borealis near maximum light

scholarly article

MWC 930 -- a new luminous blue variable candidate

scientific article

Near-contemporaneous optical spectroscopic and infrared photometric observations of candidate Herbig Ae/Be stars in the Magellanic clouds

Nova Cassiopeiae 1995

Observations of binary stars with the Differential Speckle Survey Instrument. VI. Measures during 2014 at the Discovery Channel Telescope

scientific article published in January 2015

On the polarization of {phi} Persei

scientific article

On the wind geometry of the Wolf-Rayet star EZ Canis Majoris

scientific article published in January 1991

Outbursts and stellar properties of the classical Be star HD 6226

scientific article

Photometric Variability of the Be Star Population

scientific article published in Astronomical Journal

Polarization in the envelopes of Wolf-Rayet stars

scientific article published in January 1990

Polarization observations of Herbig AeBe stars

scientific article published in January 1994

Probing circumstellar disks and outflows with spectropolarimetry

scientific article published in January 1994

Probing circumstellar environments in LMC/SMC clusters

scientific article published in January 2002

Probing the geometry and circumstellar environment of SN 1993J in M81

Probing the properties of Be star discs with spectroastrometry and NLTE radiative transfer modelling: {beta} CMi

scientific article published in January 2012

Properties of galactic B[e] supergiants

scholarly article

Properties of galactic B[e] supergiants

scientific article

Properties of galactic B[e] supergiants II. HDE 327083

scientific article published in Astronomy and Astrophysics

Properties of galactic B[e] supergiants. I. CI Camelopardalis

scientific article published in Astronomy and Astrophysics

Properties of the circumstellar dust in galactic FS CMa objects

Properties of the δ Scorpii Circumstellar Disk from Continuum Modeling

scientific article published in the Astrophysical Journal

Radio detection of the Be star psi Persei

scientific article published in January 1987

Recurrent shell infall events in a B0.5e star : HD 58978 1979-1988

scientific article published in January 1988

Scattered Light Models of Protostellar Envelopes: Multiple Outflow Cavities and Misaligned Circumstellar Disks

scientific article published in the Astrophysical Journal

Six intermediate-mass stars with far-infrared excess: a search for evolutionary connections

scientific article

Solar system observations by the Wisconsin Ultraviolet Photopolarimeter Experiment - III. The first ultraviolet linear spectropolarimetry of the Moon

scientific article published in January 1998

Spectropolarimetric monitoring of WR 140

scientific article published in January 1995

Spectropolarimetric observations of zeta Tau

scientific article published in January 1990

Spectropolarimetric variability in OB stars

Spectropolarimetric variability in the Be star pi Aqr

scientific article published in January 1990

Spectropolarimetry of Be stars

scientific article published in January 1989

Spectropolarimetry of nova Cygni 1992 : evidence for an asymmetric geometry

scientific article published in January 1994

Spectropolarimetry of the supergiant kappa Cassiopeiae (BC 0.7 Ia var)

scientific article

Spectroscopic and Spectropolarimetric Observations of V838 Monocerotis

scientific article published in the Astrophysical Journal

Spectroscopic behaviour of the Herbig Be star HD 200775 around its maximum activity in 1997

scientific article

Spectroscopic observations of the δ Scorpii binary during its recent periastron passage

scientific article published in Astronomy and Astrophysics

Spectroscopy and photometry of the emission–line B–type stars AS 78 and MWC 657

scientific article published in Astronomy and Astrophysics

Spectroscopy of B-type emission-line stars with compact dusty envelopes: HD 85567, Hen 3-140, and Hen 3-1398

scientific article published in Astronomy and Astrophysics

Spectroscopy of the growing circumstellar disk in the δ Scorpii Be binary

scientific article published in Astronomy and Astrophysics

Stellar winds in two massive Herbig Be stars

scholarly article

The Asymmetrical Wind of the Candidate Luminous Blue Variable MWC 314

scholarly article

The First Ultraviolet and Optical Spectropolarimetry of the B[e] Star HD 50138

scientific article published in the Astrophysical Journal

The Growth of Solids, Destruction of Molecules, and Shielding of Radiation in the Young Stellar Disk of HD 45677

scientific article published in the Astrophysical Journal

The HPOL Spectropolarimeter at Ritter Observatory

The complex circumstellar and circumbinary environment of V356 Sgr

scientific article

The continued optical to mid-infrared evolution of V838 Monocerotis

scientific article published in Astronomical Journal

The effects of gravity darkening on the ultraviolet continuum polarization produced by circumstellar disks

scholarly article

The evidence for aspect dependent winds in Be stars

scientific article published in January 1986

The first linear polarization spectra of Wolf-Rayet stars in the ultraviolet : EZ Canis Majoris and theta Muscae

scientific article published in January 1992

The first spectropolarimetric study of the wavelength dependence of interstellar polarization in the ultraviolet

scientific article published in January 1992

The first ultraviolet spectropolarimetric study of NGC 1068

The intermittently embedded Herbig Ae/Be stars

scholarly article

The luminous B[e] binary AS 381

scientific article published in Astronomy and Astrophysics

The magnetic field structure of the LMC 2 supershell: NGC 2100

The pre-main-sequence star IP Persei

scientific article published in Astronomy and Astrophysics

The relationship betweenγ Cassiopeiae’s X-ray emission and its circumstellar environment

scientific article published in Astronomy and Astrophysics

The relationship betweenγ Cassiopeiae’s X-ray emission and its circumstellar environment

scientific article published in Astronomy and Astrophysics

The role of evolutionary age and metallicity in the formation of classical Be circumstellar disks. I. New candidate Be stars in the LMC, SMC, and Milky Way

scientific article published in January 2006

The role of evolutionary age and metallicity in the formation of classical Be circumstellar disks. II. Assessing the evolutionary nature of candidate disk systems

scientific article published in January 2007

The star-grazing extrasolar comets in the HD 100546 system

scientific article published in January 1997

The visual and ultraviolet polarimetric data of alpha Camelopardalis and kappa Cassiopeia: evidence of shocked regions

The wind geometry of the Wolf-Rayet star HD 191765

scientific article published in January 1992

The {beta} Pictoris phenomenon among Herbig Ae/Be stars. UV and optical high dispersion spectra

scientific article

Time dependent spectrophotometry of the Wolf-rayet star EZ CMa

scientific article

Toward Understanding the B[e] Phenomenon. II. New Galactic FS CMa Stars

scientific article published in the Astrophysical Journal

Toward mapping the detailed density structure of classical Be circumstellar disks

Toward understanding the B[e] phenomenon. III. Properties of the optical counterpart of IRAS 00470+6429

scientific article published in the Astrophysical Journal

Transient infall events in the disk of AB Aurigae: the {beta} Pictoris phenomenon at 2-4 megayears

scientific article published in January 1999

UV observations of accreting gas toward HD 45677 : a newly recognized proto-planetary system

scientific article

Ultraviolet interstellar polarization of galactic starlight. I. Observations by the Wisconsin Ultraviolet Photo Polarimeter Experiment

scientific article published in January 1996

Ultraviolet properties of IRAS-selected Be stars

scientific article

Ultraviolet spectropolarimetry of the Be star PP Carinae with the Wisconsin ultraviolet photo-polarimeter experiment

Ultraviolet spectropolarimetry of three classical novae early in outburst: evidence for aspherical shells

scientific article published in January 1997

Ultraviolet/visible spectropolarimetry of alpha.Orionis

scholarly article

University learning: Improve undergraduate science education

scientific article published in July 2015

V669 Cep: A new binary system with a B[e] star

scientific article published in Astronomy and Astrophysics

Variability in the circumstellar shell of pi Aqr : clues to a wind-disk connection ?

scholarly article in Bulletin of the American Astronomical Society, vol. 26, 1994