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astro-ph.GA2022★ 30 cited

PHANGS-JWST First Results: A Global and Moderately Resolved View of Mid-Infrared and CO Line Emission from Galaxies at the Start of the JWST Era

Adam K. Leroy, Alberto D. Bolatto, Karin Sandstrom +41

We explore the relationship between mid-infrared (mid-IR) and CO rotational line emission from massive star-forming galaxies, which is one of the tightest scalings in the local uni…

astro-ph.HE2022★ 58 cited

Accretion geometry of the neutron star low mass X-ray binary Cyg X-2 from X-ray polarization measurements

R. Farinelli, S. Fabiani, J. Poutanen +92

We report spectro-polarimetric results of an observational campaign of the bright neutron star low-mass X-ray binary Cyg X-2 simultaneously observed by IXPE, NICER and INTEGRAL. Co…

astro-ph.SR2022★ 14 cited

OGLE-2018-BLG-0584 and KMT-2018-BLG-2119: two microlensing events with two lens masses and two source stars

Cheongho Han, Andrzej Udalski, Youn Kil Jung +34

We conduct a systematic investigation of the microlensing data collected during the previous observation seasons for the purpose of reanalyzing anomalous lensing events with no sug…

astro-ph.HE2022★ 36 cited

Polarization properties of the weakly magnetized neutron star X-ray binary GS 1826-238 in the high soft state

Fiamma Capitanio, Sergio Fabiani, Andrea Gnarini +94

The launch of the Imaging X-ray Polarimetry Explorer (IXPE) on 2021 December 9 has opened a new window in X-ray astronomy. We report here the results of the first IXPE observation…

physics.plasm-ph2022★ 4 cited

Electrostatic Plasma wave excitations at the interplanetary shocks

Manpreet Singh, Federico Fraschetti, Joe Giacalone

Over the last few decades, different types of plasma waves (e.g., the ion acoustic waves (IAWs), electrostatic solitary waves (ESWs), upper/lower hybrid waves, the Langmuir waves e…

astro-ph.GA2022★ 11 cited

Physical conditions for dust grain alignment in Class 0 protostellar cores I. Observations of dust polarization and molecular irradiation tracers

Valentin J. M. Le Gouellec, Anaëlle J. Maury, Charles L. H. Hull

High angular resolution observations of Class 0 protostars have produced detailed maps of the polarized dust emission in the envelopes of these young embedded objects. Interestingl…

astro-ph.HE2022★ 27 cited

SCATTER: A New Common Envelope Formalism

Rosanne Di Stefano, Matthias U. Kruckow, Yan Gao +2

One of the most mysterious astrophysical states is the common envelope (CE) phase of binary evolution, in which two stars are enshrouded by the envelope shed by one of them. Intera…

astro-ph.IM2022★ 386 cited

NIRCam Performance on JWST In Flight

Marcia J. Rieke, Douglas M. Kelly, Karl Misselt +7

The Near Infrared Camera for the James Webb Space Telescope is delivering the imagery that astronomers have hoped for ever since JWST was proposed back in the 1990s. In the Commiss…

astro-ph.SR2022★ 16 cited

Coronal Densities, Temperatures and Abundances During the 2019 Total Solar Eclipse: The Role of Multi-Wavelength Observations in Coronal Plasma Characterization

G. Del Zanna, J. Samra, A. Monaghan +7

The Airborne Infrared Spectrometer (AIR-Spec) offers an unprecedented opportunity to explore the Near Infra-Red (NIR) wavelength range. It has been flown at two total solar eclipse…

astro-ph.HE2022★ 16 cited

High Resolution X-ray Spectra of RS Ophiuchi (2006 and 2021): Revealing the cause of SSS variability

J. -U. Ness, A. P. Beardmore, M. F. Bode +9

Swift observed the SSS phase in RS Oph much fainter in 2021 than in 2006, and we compare an XMM-Newton grating spectrum on day 55.6 in 2021 (2021d55.6) to SSS Chandra and XMM-Newto…

astro-ph.CO2022★ 49 cited

The Dark Energy Survey Year 3 and eBOSS: constraining galaxy intrinsic alignments across luminosity and colour space

S. Samuroff, R. Mandelbaum, J. Blazek +104

We present direct constraints on galaxy intrinsic alignments using the Dark Energy Survey Year 3 (DES Y3), the Extended Baryon Oscillation Spectroscopic Survey (eBOSS) and its prec…

astro-ph.GA2022★ 16 cited

Radio jet-ISM interaction and positive radio-mechanical feedback in Abell 1795

Prathamesh D. Tamhane, Brian R. McNamara, Helen R. Russell +8

We present XSHOOTER observations with previous ALMA, MUSE and observations to study the nature of radio-jet triggered star formation and the interaction of radio jets with th…

astro-ph.GA2022★ 49 cited

PHANGS-JWST First Results: Tracing the Diffuse ISM with JWST Imaging of Polycyclic Aromatic Hydrocarbon Emission in Nearby Galaxies

Karin M. Sandstrom, Eric W. Koch, Adam K. Leroy +43

JWST observations of polycyclic aromatic hydrocarbon (PAH) emission provide some of the deepest and highest resolution views of the cold interstellar medium (ISM) in nearby galaxie…

astro-ph.GA2022★ 24 cited

JCMT BISTRO Observations: Magnetic Field Morphology of Bubbles Associated with NGC 6334

Mehrnoosh Tahani, Pierre Bastien, Ray S. Furuya +142

We study the HII regions associated with the NGC 6334 molecular cloud observed in the sub-millimeter and taken as part of the B-fields In STar-forming Region Observations (BISTRO)…

astro-ph.GA2022★ 18 cited

Multiple shock fronts in RBS 797: the Chandra window on shock heating in galaxy clusters

F. Ubertosi, M. Gitti, F. Brighenti +11

Using 427 ks of Chandra observations, we present a study of shock heating and ICM cooling in the galaxy cluster RBS 797. We discover three nested pairs of weak shocks at roug…

astro-ph.GA2022★ 4 cited

Using Machine Learning to Determine Morphologies of AGN Host Galaxies in the Hyper Suprime-Cam Wide Survey

Chuan Tian, C. Megan Urry, Aritra Ghosh +9

We present a machine-learning framework to accurately characterize morphologies of Active Galactic Nucleus (AGN) host galaxies within . We first use PSFGAN to decouple host ga…

astro-ph.HE2022★ 42 cited

Mapping the circumnuclear regions of the Circinus galaxy with the Imaging X-ray Polarimetry Explorer

F. Ursini, A. Marinucci, G. Matt +94

We report on the Imaging X-ray Polarimetry Explorer (IXPE) observation of the closest and X-ray brightest Compton-thick active galactic nucleus (AGN), the Circinus galaxy. We find…

astro-ph.EP2022★ 47 cited

The Possible Tidal Demise of Kepler's First Planetary System

Shreyas Vissapragada, Ashley Chontos, Michael Greklek-McKeon +6

We present evidence of tidally-driven inspiral in the Kepler-1658 (KOI-4) system, which consists of a giant planet (1.1, 5.9) orbiting an evolved host s…

astro-ph.SR2022★ 6 cited

Differences in physical properties of coronal bright points and their ALMA counterparts within and outside coronal holes

F. Matković, R. Brajša, M. Temmer +6

This study investigates and compares brightness and area of coronal bright points (CBPs) inside and outside of coronal holes (CHs) using the single-dish Band 6 observations by the…

astro-ph.EP2022★ 37 cited

Mapping Protoplanetary Disk Vertical Structure with CO Isotopologue Line Emission

Charles J. Law, Richard Teague, Karin I. Öberg +21

High spatial resolution observations of CO isotopologue line emission in protoplanetary disks at mid-inclinations (30-75°) allow us to characterize the gas structure in…

astro-ph.HE2022★ 4 cited

Non-thermal -rays from pulsation-driven shocks in Cepheids

Federico Fraschetti, Konstantina Anastasopoulou, Jeremy J. Drake +1

Rapid X-ray phase-dependent flux enhancement in the archetype classical Cepheid star ~Cep was observed by XMM-Newton and Chandra. We jointly analyse thermal and non-thermal comp…

astro-ph.CO2022★ 1 cited

Non-parametric Lagrangian biasing from the insights of neural nets

Xiaohan Wu, Julian B. Munoz, Daniel J. Eisenstein

We present a Lagrangian model of galaxy clustering bias in which we train a neural net using the local properties of the smoothed initial density field to predict the late-time mas…

astro-ph.GA2022★ 15 cited

Linking the dust and chemical evolution: Taurus and Perseus -- New collisional rates for HCN, HNC, and their C, N, and H isotopologues

D. Navarro-Almaida, C. T. Bop, F. Lique +18

HCN, HNC, and their isotopologues are ubiquitous molecules that can serve as chemical thermometers and evolutionary tracers to characterize star-forming regions. Despite their impo…

astro-ph.GA2022★ 9 cited

Galaxy populations in the most distant SPT-SZ clusters -- II. Galaxy structural properties in massive clusters at 1.4<z<1.7

V. Strazzullo, M. Pannella, J. J. Mohr +12

We investigate structural properties of massive galaxy populations in the central regions of five very massive galaxy clusters at z~1.4-1.7 from the South Pole Telescope Sunyaev Ze…