activity
20192026
most citedSystematic difference between ionized and molecular gas velocity dispersion in disks and local analogues

61 citations · 386 across the 31 of their papers we have counts for

collaborators

33 papers

astro-ph.GA2026

Sequential Star-Formation and the Near-Infrared Stellar Populations within N159

Nolan Habel, E. Sabbi, Peter Zeidler +19

We present the first results from a JWST/NIRCam study of the star-forming region N159, one of the richest H II complexes in the Large Magellanic Cloud. This region stretches over $…

astro-ph.GA2026

The Stellar Population of NGC 346 in the Small Magellanic Cloud with JWST

J. Jaspers, P. Kavanagh, G. De Marchi +13

NGC 346 is a massive star-forming region located at a distance of 62 kpc, in the Small Magellanic Cloud (SMC). Due to its low metallicity (Z 1/5 Z), it is an…

astro-ph.GA2026

GOALS-JWST: Resolved multi-phase molecular gas in IRAS 20551-4250 using JWST and ALMA

D. Kakkad, Y. Song, T. S. -Y. Lai +24

Studying the content and distribution of molecular gas provides key insights into how feedback from Active Galactic Nuclei (AGN) and star formation influences galaxy evolution, sin…

astro-ph.HE2026

The evolution of the mid-infrared spectrum of SN 1987A observed with the JWST/MIRI-MRS

P. J. Kavanagh, M. J. Barlow, C. Fransson +19

Supernova (SN) 1987A provides a unique laboratory for investigating many aspects of SN physics and evolution. An observation at Day 12927 (35.4 yr) since the explosion with the Mid…

astro-ph.GA2026

Spatially Resolved Star Formation relations in local LIRGs along the complete merger sequence

M. Sánchez-García, T. Díaz-Santos, L. Barcos-Muñoz +25

We investigate the properties of the interstellar medium (ISM) at ~100 pc scales in a sample of 27 nearby luminous infrared galaxies (LIRGs) spanning the entire merger sequence. In…

astro-ph.GA2025

A Mid-Infrared Spectroscopic Study of Young Stellar Objects in the SMC Region NGC 346: JWST Detects Dust, Accretion, Ices and Outflows

Nolan Habel, Omnarayani Nayak, Patrick J. Kavanagh +13

We present mid-infrared spectroscopic observations of intermediate- to high-mass young stellar objects (YSOs) in the low-metallicity star-forming region NGC 346 located within the…

astro-ph.GA2025★ 5 cited

JWST Observations of Starbursts: PAHs Closely Trace the Cool Phase of M82's Galactic Wind

Sebastian Lopez, Colton Ring, Adam K. Leroy +30

Stellar feedback drives multiphase gas outflows from starburst galaxies, but the interpretation of dust emission in these winds remains uncertain. To investigate this, we analyze n…

astro-ph.GA2025

First detection of ices in intermediate-mass young stellar objects beyond the Milky Way

Guido De Marchi, Nolan Habel, Margaret Meixner +15

Using NIRSpec on JWST, we studied a sample of 15 intermediate-mass (1.8-4.1 Msun) young stellar objects (YSOs) previously identified with MIRI photometry in the low-metallicity NGC…

astro-ph.GA2025

Resolving Emission from Small Dust Grains in the Blue Compact Dwarf II Zw 40 with JWST

Thomas S. -Y. Lai, Sara Duval, J. D. T. Smith +15

We present James Webb Space Telescope (JWST) Near Infrared Spectrograph (NIRSpec) and Mid-infrared Instrument (MIRI) integral-field spectroscopy of the nearby blue compact dwarf II…

astro-ph.SR2025★ 10 cited

Investigating the metallicity dependence of the mass-loss rate relation of red supergiants

K. Antoniadis, E. Zapartas, A. Z. Bonanos +8

Red supergiants (RSGs) are cool and evolved massive stars exhibiting enhanced mass loss compared to their main sequence phase, affecting their evolution and fate. However, the theo…

astro-ph.GA2025★ 11 cited

JWST Observations of Starbursts: Relations between PAH features and CO clouds in the starburst galaxy M 82

V. Villanueva, A. D. Bolatto, R. Herrera-Camus +22

We present a study of new 7.7-11.3 m data obtained with the James Webb Space Telescope Mid-InfraRed Instrument in the starburst galaxy M 82. In particular, we focus on the depen…

astro-ph.SR2024★ 14 cited

Protoplanetary discs around sun-like stars appear to live longer when the metallicity is low

Guido De Marchi, Giovanna Giardino, Katia Biazzo +17

Previous Hubble Space Telescope (HST) observations of the star-forming cluster NGC 346 in the Small Magellanic Cloud (SMC) had revealed a large population of pre-main sequence (PMS…

astro-ph.GA2024

GOALS-JWST: Constraining the Emergence Timescale for Massive Star Clusters in NGC 3256

Sean T. Linden, Thomas Lai, Aaron S. Evans +28

We present the results of a James Webb Space Telescope (JWST) NIRCam and NIRSpec investigation into the young massive star cluster (YMC) population of NGC 3256, the most cluster-ri…

astro-ph.GA2024

JWST Observations of Starbursts: Massive Star Clusters in the Central Starburst of M82

Rebecca C. Levy, Alberto D. Bolatto, Divakara Mayya +25

We present a near infrared (NIR) candidate star cluster catalog for the central kiloparsec of M82 based on new JWST NIRCam images. We identify star cluster candidates using the F25…

astro-ph.GA2024

Disk Turbulence and Star Formation Regulation in High Main Sequence Analogue Galaxies

Laura Lenkić, Deanne B. Fisher, Alberto D. Bolatto +7

The gas-phase velocity dispersions in disk galaxies, which trace turbulence in the interstellar medium, are observed to increase with lookback time. However, the mechanisms that se…

astro-ph.GA2024

Imaging of I Zw 18 by JWST: II. Spatially resolved star formation history

Giacomo Bortolini, Göran Östlin, Nolan Habel +14

The blue compact dwarf galaxy I Zw 18 is one of the most metal-poor () star-forming galaxies in the local Universe. Its evolutionary status has sparked debate w…

astro-ph.GA2024★ 1 cited

JWST Observations of Starbursts: Cold Clouds and Plumes Launching in the M82 Outflow

Deanne B. Fisher, Alberto D. Bolatto, John Chisholm +28

In this paper we study the filamentary substructure of 3.3 m PAH emission from JWST/NIRCam observations in the base of the M82 star-burst driven wind. We identify plume-like sub…

astro-ph.SR2024

Young Stellar Objects in NGC 346: A JWST NIRCam/MIRI Imaging Survey

Nolan Habel, Conor Nally, Laura Lenkic +17

We present a JWST imaging survey with NIRCam and MIRI of NGC 346, the brightest star-forming region in the Small Magellanic Cloud (SMC). By combining aperture and point spread func…

astro-ph.HE2024★ 47 cited

Emission lines due to ionizing radiation from a compact object in the remnant of Supernova 1987A

C. Fransson, M. J. Barlow, P. J. Kavanagh +31

The nearby Supernova 1987A was accompanied by a burst of neutrino emission, which indicates that a compact object (a neutron star or black hole) was formed in the explosion. There…

astro-ph.SR2024

JWST MIRI Imager Observations of Supernova SN 1987A

P. Bouchet, R. Gastaud, A. Coulais +31

There exist very few mid-infrared (IR) observations of supernovae (SNe) in general. Therefore, SN 1987A, the closest visible SN in 400 years, gives us the opportunity to explore th…

astro-ph.GA2024

JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbon Emission at the Base of the M 82 Galactic Wind

Alberto D. Bolatto, Rebecca C. Levy, Elizabeth Tarantino +37

We present new observations of the central 1 kpc of the M 82 starburst obtained with the James Webb Space Telescope (JWST) near-infrared camera (NIRCam) instrument at a resolution…

astro-ph.SR2023★ 2 cited

A JWST/MIRI and NIRCam Analysis of the Young Stellar Object Population in the Spitzer I region of NGC 6822

Laura Lenkić, Conor Nally, Olivia C. Jones +8

We present an imaging survey of the Spitzer I star-forming region in NGC 6822 conducted with the NIRCam and MIRI instruments onboard JWST. Located at a distance of 490 kpc, NGC 682…

astro-ph.HE2023

Ejecta, Rings, and Dust in SN 1987A with JWST MIRI/MRS

O. C. Jones, P. J. Kavanagh, M. J. Barlow +31

Supernova (SN) 1987A is the nearest supernova in 400 years. Using the {\em JWST} MIRI Medium Resolution Spectrograph, we spatially resolved the ejecta, equatorial ring (ER) a…

astro-ph.HE2023★ 34 cited

JWST NIRSpec observations of Supernova 1987A -- from the inner ejecta to the reverse shock

J. Larsson, C. Fransson, B. Sargent +23

We present initial results from JWST NIRSpec integral field unit observations of the nearby Supernova (SN) 1987A. The observations provide the first spatially-resolved spectroscopy…