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NIR phot. & optical veiling in T Tauri stars
Accretion is one of the defining characteristics of classical T Tauri stars, fueled by the presence of a circumstellar disk comprised of dust and gas. Accretion produces a UV... -
NIR light curves of type II Cepheids
We present time-series photometry of 21 nearby type II Cepheids in the near-infrared J, H, and Ks passbands. We use this photometry, together with the Third Gaia Early Data... -
Herbig Ae/Be stars with IGRINS obs.
Accretion plays an important role in protoplanetary disk evolution, and it is thought that the accretion mechanism changes between low- and high-mass stars. Here we characterize... -
{lambda} Orionis PMS stars with Gaia & SPOTS
In this paper we investigate the robustness of age measurements, age spreads, and stellar models in young pre-main-sequence stars. For this effort, we study a young cluster,... -
Massive star cluster in LIRGs in GOALS. II.
We present the results of a Hubble Space Telescope WFC3 near-UV and Advanced Camera for Surveys Wide Field Channel optical study into the star cluster populations of a sample of... -
Red supergiants in 12 Local Group galaxies
This work establishes the most complete sample of red supergiants (RSGs) in 12 low-mass galaxies (WLM, IC 10, NGC 147, NGC 185, IC 1613, Leo A, Sextans B, Sextans A, NGC 6822,... -
K2 rotation periods for SDSS & Gaia M dwarfs
In this work we examine M dwarf rotation rates at a range of ages to establish benchmarks for M dwarf gyrochronology. This work includes a sample of 713 spectroscopically... -
Clumps identified in z<0.06 SDSS Stripe 82 sample
Giant, star-forming clumps are a common feature prevalent among high-redshift star-forming galaxies and play a critical role in shaping their chaotic morphologies and yet, their... -
H-band polarimetric obs. of the S235 complex
Magnetic fields are ubiquitous and essential in star formation. In particular, their role in regulating formation of stars across diverse environments like HII regions needs to... -
FUSE survey of H_2_ in the Galactic disk
We report results from a Far Ultraviolet Spectrographic Explorer (FUSE) survey of interstellar molecular hydrogen (H_2_) in the Galactic disk toward 139 O-type and early B-type... -
HST obs. of MADCASH-1 and MADCASH-2
We present a deep Hubble Space Telescope (HST) imaging study of two dwarf galaxies in the halos of Local Volume Large Magellanic Cloud (LMC) analogs. These dwarfs were... -
Young star clusters in NGC1313 with HST obs.
Using recently acquired Hubble Space Telescope NIR observations (J, Pa{beta}, and H bands) of the nearby galaxy NGC 1313, we investigate the timescales required by a young star... -
Total/polarized extinction/emission PostPlanck Era
We present a synthesis of the astronomical observations constraining the wavelength-dependent extinction, emission, and polarization from interstellar dust from UV to microwave... -
X-Ray binary population in M31
We present our analysis of high-quality high-mass X-ray binary (HMXB) candidates in M31 selected from point-source optical counterpart candidates from the Chandra-PHAT survey... -
Classification of PS1-MDS SNe with Superphot
The classification of supernovae (SNe) and its impact on our understanding of explosion physics and progenitors have traditionally been based on the presence or absence of... -
WD binary pathways survey. V. Gaia WD+AFGK binaries
Close white dwarf binaries consisting of a white dwarf and an A-, F-, G-, or K-type main-sequence star, henceforth close WD+AFGK binaries, are ideal systems to understand the... -
Optical and NIR polarimetry in Taurus
The optical and near-infrared (OIR) polarization of starlight is typically understood to arise from the dichroic extinction of that light by dust grains whose axes are aligned... -
HST obs. & Gaia data of Hercules dwarf gal.
The ultrafaint dwarf galaxy Hercules has an extremely elongated morphology with both photometric overdensities and kinematic members at large radii, suggesting that it may be... -
HST NIR grism sp. of strong-lensing galaxy clusters
We present the hitherto largest sample of gas-phase metallicity radial gradients measured at sub-kpc resolution in star-forming galaxies in the redshift range of 1.2 -
Lyman Continuum in 111 GOODS and ERS galaxies
We present our analysis of the Lyman continuum (LyC) emission and escape fraction of 111 spectroscopically verified galaxies with and without active galactic nuclei (AGN) from...
