Spectro-timing analysis of a highly variable narrow-line Seyfert 1 galaxy NGC 4748 with AstroSat and XMM-Newton
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Astrophysics and Astronomy"
DOI: 10.1007/s12036-021-09719-1
Abstract: We present a detailed timing and spectral study of an extremely variable narrow-line Seyfert 1 galaxy NGC 4748 using observations in the year 2017 and 2014 performed with AstroSat and XMM-Newton , respectively. Both observations show extremely… read more here.
Keywords: galaxy ngc; line; variable narrow; seyfert galaxy ... See more keywords
A comprehensive analysis using 9 dark matter halo models on the spiral galaxy NGC 4321
Sign Up to like & getrecommendations! Published in 2021 at "Indian Journal of Physics"
DOI: 10.1007/s12648-021-02027-y
Abstract: This paper addressed the dark matter analysis on the spiral galaxy NGC 4321 (M100) by considering the nine different dark matter profiles, so far lacking in the scientific literature, i.e., pseudoisothermal, Burkert, NFW, Moore, Einasto,… read more here.
Keywords: dark matter; ngc 4321; matter profiles; galaxy ngc ... See more keywords
Outflows in the Seyfert 2 galaxy NGC 5643 traced by the [S iii] emission
Sign Up to like & getrecommendations! Published in 2018 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2018.31
Abstract: Abstract We use Gemini Multi-Object Spectrograph integral Field Unit observations of the inner 285 × 400 pc2 region of the Seyfert 2 galaxy NGC 5643 to map the [S iii]λ9069 emission line flux distribution and… read more here.
Keywords: galaxy; galaxy ngc; kinematics; seyfert galaxy ... See more keywords
External gas accretion provides a fresh gas supply to the active S0 galaxy NGC 5077
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202040248
Abstract: In early type galaxies, externally accreted gas is thought to be the main source of gas replenishment at late times. We use MUSE integral field spectroscopy data to study the active S0 galaxy NGC 5077,… read more here.
Keywords: galaxy ngc; active galaxy; gas; ngc 5077 ... See more keywords
The assembly history of the nearest S0 galaxy NGC 3115 from its kinematics out to six half-light radii
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa1080
Abstract: Using new and archival data, we study the kinematic properties of the nearest field S0 galaxy, NGC 3115, out to $\sim6.5$ half-light radii ($R_\mathrm{e}$) from its stars (integrated starlight), globular clusters (GCs) and planetary nebulae… read more here.
Keywords: galaxy ngc; half light; kinematics; mathrm ... See more keywords
Massive young stellar objects in the Local Group irregular galaxy NGC 6822 identified using machine learning
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2386
Abstract: We present a supervised machine learning methodology to classify stellar populations in the Local Group dwarf-irregular galaxy NGC 6822. Near-IR colours (J − H, H − K, and J − K), K-band magnitudes and far-IR surface… read more here.
Keywords: machine learning; ngc 6822; galaxy ngc; local group ... See more keywords
A panoramic view of the Local Group dwarf galaxy NGC 6822
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2642
Abstract: We present a panoramic survey of the isolated Local Group dwarf irregular galaxy NGC 6822. Our photometry reaches ∼2–3 mag deeper than most previous studies and spans the widest area around the dwarf compared to… read more here.
Keywords: local group; group dwarf; ngc 6822; galaxy ngc ... See more keywords
Multi-phase magnetic fields in the galaxy NGC 3627
Sign Up to like & getrecommendations! Published in 2022 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stac3518
Abstract: Magnetic fields play an important role in the formation and evolution of a galaxy, but it is challenging to measure them by observation. Here we study the Seyfert galaxy NGC 3627’s magnetic field orientations measured… read more here.
Keywords: galaxy ngc; collision; ngc 3627; polarization ... See more keywords
Cold molecular gas outflow encasing the ionised one in the Seyfert galaxy NGC 3281
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1076
Abstract: We present ALMA CO (2-1) observations of the Seyfert 2 galaxy NGC 3281 at ∼ 100 pc spatial resolution. This galaxy was previously known to present a bi-conical ionised gas outflow extending to 2 kpc from the nucleus. The analysis of… read more here.
Keywords: galaxy ngc; gas; encasing ionised; molecular gas ... See more keywords
WISDOM Project – XV. Giant Molecular Clouds in the Central Region of the Barred Spiral Galaxy NGC 5806
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1211
Abstract: We present high spatial resolution (≈24 pc) Atacama Large Millimeter/sub-millimeter Array 12CO(2-1) observations of the central region of the nearby barred spiral galaxy NGC 5806. NGC 5806 has a highly structured molecular gas distribution with a clear nucleus,… read more here.
Keywords: central region; galaxy ngc; gas; spiral galaxy ... See more keywords
Integral Field Spectroscopy of the Cometary Starburst Galaxy NGC 4861
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1219
Abstract: Using the PMAS Integral Field Unit on the Calar Alto 3.5m telescope we observed the southern component (Markarian 59) of the ‘cometary’ starburst galaxy NGC 4861. Mrk 59 is centred on a giant nebula and… read more here.
Keywords: galaxy ngc; starburst galaxy; cometary starburst; galaxy ... See more keywords