Atmospheres of brown dwarfs
C Helling, S Casewell - The Astronomy and Astrophysics Review, 2014 - Springer
Brown dwarfs are the coolest class of stellar objects known to date. Our present perception
is that brown dwarfs follow the principles of star formation, and that brown dwarfs share …
is that brown dwarfs follow the principles of star formation, and that brown dwarfs share …
The field substellar mass function based on the full-sky 20 pc census of 525 L, T, and Y dwarfs
JD Kirkpatrick, CR Gelino, JK Faherty… - The Astrophysical …, 2021 - iopscience.iop.org
We present final Spitzer trigonometric parallaxes for 361 L, T, and Y dwarfs. We combine
these with prior studies to build a list of 525 known L, T, and Y dwarfs within 20 pc of the …
these with prior studies to build a list of 525 known L, T, and Y dwarfs within 20 pc of the …
An ultrahot gas-giant exoplanet with a stratosphere
Infrared radiation emitted from a planet contains information about the chemical composition
and vertical temperature profile of its atmosphere,,. If upper layers are cooler than lower …
and vertical temperature profile of its atmosphere,,. If upper layers are cooler than lower …
Fundamental parameters and spectral energy distributions of young and field age objects with masses spanning the stellar to planetary regime
We combine optical, near-infrared, and mid-infrared spectra and photometry to construct
expanded spectral energy distributions for 145 field age (> 500 Myr) and 53 young (lower …
expanded spectral energy distributions for 145 field age (> 500 Myr) and 53 young (lower …
Two temperate super-Earths transiting a nearby late-type M dwarf
Context. In the age of JWST, temperate terrestrial exoplanets transiting nearby late-type M
dwarfs provide unique opportunities for characterising their atmospheres, as well as …
dwarfs provide unique opportunities for characterising their atmospheres, as well as …
Population properties of brown dwarf analogs to exoplanets
We present a kinematic analysis of 152 low surface gravity M7-L8 dwarfs by adding 18 new
parallaxes (including 10 for comparative field objects), 38 new radial velocities, and 19 new …
parallaxes (including 10 for comparative field objects), 38 new radial velocities, and 19 new …
The Hawaii infrared parallax program. II. Young ultracool field dwarfs
We present a large, uniform analysis of young (≈ 10–150 Myr) ultracool dwarfs, based on
new high-precision infrared (IR) parallaxes for 68 objects. We find that low-gravity (vl-g) late …
new high-precision infrared (IR) parallaxes for 68 objects. We find that low-gravity (vl-g) late …
Little Red Dots or Brown Dwarfs? NIRSpec Discovery of Three Distant Brown Dwarfs Masquerading as NIRCam-selected Highly Reddened Active Galactic Nuclei
D Langeroodi, J Hjorth - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Cold, substellar objects such as brown dwarfs have long been recognized as contaminants
in color-selected samples of active galactic nuclei (AGNs). In particular, their near-to mid …
in color-selected samples of active galactic nuclei (AGNs). In particular, their near-to mid …
The first hundred brown dwarfs discovered by the Wide-field Infrared Survey Explorer (WISE)
JD Kirkpatrick, MC Cushing, CR Gelino… - The Astrophysical …, 2011 - iopscience.iop.org
We present ground-based spectroscopic verification of 6 Y dwarfs (see also Cushing et al.),
89 T dwarfs, 8 L dwarfs, and 1 M dwarf identified by the Wide-field Infrared Survey Explorer …
89 T dwarfs, 8 L dwarfs, and 1 M dwarf identified by the Wide-field Infrared Survey Explorer …
A near-infrared spectroscopic study of young field ultracool dwarfs
We present a near-infrared (0.9–2.4 μm) spectroscopic study of 73 field ultracool dwarfs
having spectroscopic and/or kinematic evidence of youth (≈ 10–300 Myr). Our sample is …
having spectroscopic and/or kinematic evidence of youth (≈ 10–300 Myr). Our sample is …