Christian I. Johnson

Space Telescope Science Institute — United States

Physics and Astronomy · Physical Sciences

27h-index2.2kcitations149works2.82yr avg
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Research Topics

Stellar, planetary, and galactic studies(119), Astronomy and Astrophysical Research(85), Astrophysics and Star Formation Studies(59), Astro and Planetary Science(28), Astronomical Observations and Instrumentation(22)

Publications149 total

Betelgeuse, Betelgeuse, Betelgeuse, Betel-buddy? Constraints on the Dynamical Companion to <i>α</i> Orionis from HST
The Astrophysical Journal·2025Open Access
An Excess of Luminous White Dwarfs in the Peculiar Galactic Globular Cluster NGC 2808
The Astrophysical Journal·2025Open Access
Betelgeuse’s Buddy: X-Ray Constraints on the Nature of <i>α</i> Ori B
The Astrophysical Journal·2025Open Access
A Wavelength-aware Unsupervised Learning Approach for Large, Multicolor, Photometric Surveys
The Astronomical Journal·2025Open Access
Betelgeuse's Buddy: X-Ray Constraints on the Nature of $α$ Ori B
arXiv (Cornell University)·2025Open Access
Betelgeuse, Betelgeuse, Betelgeuse, Betel-buddy? Constraints on the dynamical companion to $α$ Orionis from HST
arXiv (Cornell University)·2025Open Access
The exploratory phase for Lifetime Position 7 in the Cosmic Origins Spectrograph FUV channel
2024
Calibration unit design for Keck/High-Resolution Infrared Spectrograph for Exoplanet Characterization (HISPEC)
2024
RR Lyrae Stars Belonging to the Candidate Globular Cluster Patchick 99
The Astrophysical Journal Letters·2024· 5 citedOpen Access
RR Lyrae Stars Belonging to the Candidate Globular Cluster Patchick 99
arXiv (Cornell University)·2024Open Access
Blanco DECam Bulge Survey (BDBS) &amp;#8547;: Metallicity distributions and bulge structure from 2.6 million red clump stars
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)·2024· 26 citedOpen Access
The Milky Way Bulge Extra-tidal Star Survey: BH 261 (AL 3)
The Astronomical Journal·2023· 4 citedOpen Access
The Blanco DECam Bulge Survey (BDBS)
Astronomy and Astrophysics·2023· 2 citedOpen Access
The Milky Way Bulge extra-tidal star survey: BH 261 (AL 3)
arXiv (Cornell University)·2023Open Access
The Blanco DECam Bulge Survey (BDBS) VIII: Chemo-kinematics in the southern Galactic bulge from 2.3 million red clump stars with Gaia DR3 proper motions
arXiv (Cornell University)·2023Open Access
Improved characterization of pulse height changes in the far ultraviolet detector of the cosmic origins explorer (COS)
2023
To grow old and peculiar: Survey of anomalous variable stars in M80 with age determinations using K2 and <i>Gaia</i>
Astronomy and Astrophysics·2023· 6 citedOpen Access
To Grow Old and Peculiar: A Survey of Anomalous Variable Stars in M80 and Age Determination using K2 and Gaia
arXiv (Cornell University)·2023Open Access
HST proper motions on the far side of the Galactic bar—data
Monthly Notices of the Royal Astronomical Society·2023· 1 citedOpen Access
A Wide View of the Galactic Globular Cluster NGC 2808: Red Giant and Horizontal Branch Star Spatial Distributions
The Astronomical Journal·2023· 3 citedOpen Access
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Frequent Co-authors

R. Michael Rich(20), C. A. Pilachowski(19), Andreas Koch(15), Mario Mateo(11), John I. Bailey(10), Andrea Kunder(10), W. I. Clarkson(7), Iulia T. Simion(7), Nelson Caldwell(6), Matthew G. Walker(6), Edward W. Olszewski(6), Iain McDonald(6), A. A. Zijlstra(6), M. J. Cordero(5), Tommaso Marchetti(5), Michael D. Young(5), Scott Michael(5), A. K. Vivas(5), Meridith Joyce(4), J. P. Fulbright(3)