The Galactic radial abundance gradients of C, N, O, Ne, S, Cl, and Ar from deep spectra of H ii regions

KZ Arellano-Córdova, C Esteban… - Monthly Notices of …, 2020 - academic.oup.com
We present a reassessment of the radial abundance gradients of C, N, O, Ne, S, Cl, and Ar
in the Milky Way using deep spectra of 33 H ii regions gathered from the literature, covering …

Gradients of chemical abundances in the Milky Way from H ii regions: distances derived from Gaia EDR3 parallaxes and temperature inhomogeneities

JE Méndez-Delgado, A Amayo… - Monthly Notices of …, 2022 - academic.oup.com
We present a reassessment of the radial abundance gradients of He, C, N, O, Ne, S, Cl, and
Ar in the Milky Way using the deep optical spectra of 42 H ii regions presented in Arellano …

Revisiting the radial abundance gradients of nitrogen and oxygen of the Milky Way

C Esteban, J García-Rojas - Monthly Notices of the Royal …, 2018 - academic.oup.com
We present spectra obtained with the 10.4 m Gran Telescopio Canarias telescope of 13
Galactic H ii regions, most of them of very low ionization degree. The objects are located …

[HTML][HTML] Stellar cores in the Sh 2-305 H ii region

R Pandey, S Sharma, N Panwar… - The Astrophysical …, 2020 - iopscience.iop.org
Using our deep optical and near-infrared photometry along with multiwavelength archival
data, we here present a detailed study of the Galactic H ii region Sh 2-305 to understand the …

A compilation of optical starlight polarization catalogs

GV Panopoulou, L Markopoulioti… - The Astrophysical …, 2024 - iopscience.iop.org
Polarimetry of stars at optical and near-infrared wavelengths is an invaluable tool for tracing
interstellar dust and magnetic fields. Recent studies have demonstrated the power of …

Linear polarization study of open clusters in the anticenter direction: Signature of the spiral arms

N Uppal, S Ganesh, V Pelgrims, S Joshi… - Astronomy & …, 2024 - aanda.org
Aims. Our objective is to investigate the distribution of dust and associated large-scale
structures of the Galaxy using optical linear polarization measurements of various open …

Multiwavelength study of the star formation in the S237 H ii region

LK Dewangan, DK Ojha, I Zinchenko… - The Astrophysical …, 2016 - iopscience.iop.org
We present a detailed multiwavelength study of observations from X-ray, near-infrared, and
centimeter wavelengths to probe the star formation processes in the S237 region …

Sh 2-301: a blistered H II region undergoing star formation

R Pandey, S Sharma, LK Dewangan… - The Astrophysical …, 2022 - iopscience.iop.org
We present a multiwavelength study of the H ii region Sh 2-301 (S301) using deep optical
data, near-infrared data, radio continuum data, and other archival data at longer …

Low-mass stellar and substellar content of the young cluster Berkeley 59

N Panwar, C Rishi, S Sharma, DK Ojha… - The Astronomical …, 2024 - iopscience.iop.org
We present a multiwavelength analysis of the young star cluster Berkeley 59, based on Gaia
data and deep IR observations with the 3.58 m Telescopio Nazionale Galileo and Spitzer …

Polarization, polarizing efficiency, and grain alignment towards the direction of the cluster NGC 2345

S Singh, JC Pandey, T Hoang - Monthly Notices of the Royal …, 2022 - academic.oup.com
We have investigated the grain alignment and dust properties towards the direction of the
cluster NGC 2345 using the multiband optical polarimetric observations. For the majority of …