Perturbation of mass accretion rate, associated acoustic geometry and stability analysis
Sign Up to like & getrecommendations! Published in 2017 at "New Astronomy"
DOI: 10.1016/j.newast.2016.09.001
Abstract: Abstract We investigate the stability of stationary integral solutions of an ideal irrotational fluid in a general static and spherically symmetric background, by studying the profile of the perturbation of the mass accretion rate. We… read more here.
Keywords: perturbation; geometry; perturbation mass; stability ... See more keywords
Spectral index−mass accretion rate correlation and evaluation of black hole masses in AGNs 3C 454.3 and M 87
Sign Up to like & getrecommendations! Published in 2019 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201935576
Abstract: We present the discovery of correlations between the X-ray spectral (photon) index and mass accretion rate observed in active galactic nuclei (AGNs) 3C~454.3 and M87. We analyzed spectral transition episodes observed in these AGNs using… read more here.
Keywords: accretion rate; index; mass accretion; mass ... See more keywords
KMOS study of the mass accretion rate from Class I to Class II in NGC 1333
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202039264
Abstract: Context. The mass accretion rate (Ṁacc) is the fundamental parameter to understand the process of mass assembly that results in the formation of a low-mass star. This parameter has been largely studied in Classical T… read more here.
Keywords: ngc 1333; class; accretion; accretion rate ... See more keywords
On the influence of halo mass accretion history on galaxy properties and assembly bias
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2556
Abstract: Halo assembly bias is the secondary dependence of the clustering of dark matter haloes on their assembly histories at fixed halo mass. This established dependence is expected to manifest itself on galaxy clustering, a potential… read more here.
Keywords: galaxy; halo mass; mass; assembly bias ... See more keywords
Spectral and temporal studies of Swift J1658.2–4242 using AstroSat observations with JeTCAF model
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1058
Abstract: We present the X-ray spectral and temporal analysis of the black hole X-ray transient Swift J1658.2–4242 observed by AstroSat. Three epochs of data have been analysed using the JeTCAF model to estimate the mass accretion rates and… read more here.
Keywords: swift j1658; j1658 4242; mass accretion; jetcaf model ... See more keywords
Blinded by the light: on the relationship between CO first overtone emission and mass accretion rate in massive young stellar objects
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty863
Abstract: To date, there is no explanation as to why disc-tracing CO first overtone (or ‘bandhead’) emission is not a ubiquitous feature in low- to medium-resolution spectra of massive young stellar objects (MYSOs), but instead is… read more here.
Keywords: emission; accretion; first overtone; mass accretion ... See more keywords