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Astrophysical Journal, ISSN 0004-637X, 06/2015, Volume 805, Issue 2, pp. 115 - 17
We present the latest development of the disk gravitational instability and fragmentation model, originally introduced by us to explain episodic accretion... 
stars: formation | hydrodynamics | ISM: clouds | accretion, accretion disks | instabilities | Accretion | Star formation | Gravitational instability | Bursts | Mathematical models | Accretion disks | Protostars | Fragmentation
Journal Article
Science, ISSN 0036-8075, 7/2012, Volume 337, Issue 6090, pp. 43 - 44
  Brown dwarfs occupy an intermediate mass range, with too low a mass to initiate hydrogen fusion and become a star and too much mass to be called a planet... 
Mass | Stellar masses | Observational astronomy | Astronomical objects | Molecular clouds | Average linear density | Hydrogen | PERSPECTIVES | Brown dwarfs | Dwarf stars | Protostars | STARS | INITIAL MASS FUNCTION | MULTIDISCIPLINARY SCIENCES | DISCOVERY | Origins | Infrared | Brown dwarf stars | Extrasolar planets | Contracts | Gain | Interferometers
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 06/2015, Volume 450, Issue 1, p. 295
  We analyse the time evolution of the luminosity of a cluster of Population III protostars formed in the early Universe. We argue from the Jeans criterion... 
Accounting research bulletins | Luminosity | Mathematical models | Star & galaxy formation | Accretion disks | Protostars
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 06/2015, Volume 450, Issue 1, pp. 295 - 295
We analyse the time evolution of the luminosity of a cluster of Population III protostars formed in the early Universe. We argue from the Jeans criterion that... 
Collapse | Star formation | Bursts | Population III stars | Clusters | Luminosity | Evolution | Mathematical models | Protostars | Fragmentation
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2009, Volume 395, Issue 2, pp. 1092 - 1098
We present a new analytical three-parameter formula to fit observed column density profiles of prestellar cores. It represents a line-of-sight integral through... 
stars: formation | ISM: globules | ISM: clouds | Stars: formation | INITIAL CONDITIONS | AXISYMMETRICAL SOLUTIONS | GRAVITATIONAL-INSTABILITY | AMBIPOLAR DIFFUSION | CLOUD CORES | PRE-STELLAR CORES | ISOLATED STAR-FORMATION | COLLAPSE | ASTRONOMY & ASTROPHYSICS | PROTOSTARS | EXTINCTION | Clouds | Analysis | Astronomy | Temperature | Models | Astrophysics | Density | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 05/2017, Volume 601
Context. Previous studies show that the physical structures and kinematics of a region depend significantly on the ionisation fraction. These studies have only... 
Turbulence | Fluctuations | Magnetohydrodynamics | Turbulent flow | Clouds | Computer simulation | Computational fluid dynamics | Molecular clouds | Fluid flow | Flux | Density | Cosmic rays | Molecular chains | Fibers | Star formation | Simulation | Magnetohydrodynamic turbulence | Filaments | Ionization | Kinematics | Evolution | Cloud formation | Star & galaxy formation | Mach number
Journal Article
Applied Surface Science, ISSN 0169-4332, 01/2019, Volume 465, pp. 56 - 66
This work illustrates a simple and cost effective methodology to develop nanoparticles of α-Fe O embedded in layered rGO sheets which are found to be a... 
P-type semiconductor | CO detection | rGO-α-Fe | Resistive gas sensor
Journal Article
AIP Conference Proceedings, ISSN 0094-243X, 03/2019, Volume 2083, Issue 1
Bio-sensing technologies with a wider range of spectrum observe the signal of the sensor with biomarkers, for example, DNA, proteins, antibodies, through the... 
Proteins | Enzymes | Breaking down | Biomarkers | Antibodies | pH | Amino acids | Papain | Deoxyribonucleic acid--DNA
Journal Article
Journal Article
Applied Surface Science, ISSN 0169-4332, 01/2019, Volume 465, p. 56
This work illustrates a simple and cost effective methodology to develop nanoparticles of [alpha]-Fe.sub.2O.sub.3 embedded in layered rGO sheets which are... 
Graphene | Sensors | Mechanical engineering
Journal Article
by Basu, S and Das, A
ASTROPHYSICAL JOURNAL LETTERS, ISSN 2041-8205, 07/2019, Volume 879, Issue 1, p. L3
One of the ideas that explains the existence of supermassive black holes (SMBHs) that are in place by z similar to 7 is that there was an earlier phase of very... 
quasars: general | QUASAR | black hole physics | accretion, accretion disks | ASTRONOMY & ASTROPHYSICS | GROWTH | STARS | quasars: supermassive black holes | REDSHIFT | galaxies: high-redshift | Physics - Astrophysics of Galaxies
Journal Article
SCIENTIFIC REPORTS, ISSN 2045-2322, 03/2019, Volume 9, Issue 1, pp. 3686 - 13
In this work we have developed a novel rGO-MWCNT (reduced graphene oxide-multiwalled carbon nanotube) nanocomposite material with Poly-L-Lysine... 
GRAPHENE | OXIDE | WALLED CARBON NANOTUBES | DNA | MULTIDISCIPLINARY SCIENCES | Poly-L-lysine | Films | Lysine | L-lysine | Nanotubes | Immobilization | Cholesterol oxidase | Oxidation | Cholesterol | Amino groups
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2015, Volume 449, Issue 3, p. 2413
  This work explores the mathematical properties of a distribution introduced by Basu & Jones (2004), and applies it to model the stellar initial mass function... 
Mathematical models | Star & galaxy formation | Accretion disks | Astronomy
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2015, Volume 449, Issue 3, pp. 2413 - 2413
This work explores the mathematical properties of a distribution introduced by Basu & Jones (2004), and applies it to model the stellar initial mass function... 
Intervals | Random numbers | Mathematical analysis | Initial mass function | Generators | Mathematical models | Models | Probability distribution functions
Journal Article
Diabetes, ISSN 0012-1797, 03/2013, Volume 62, Issue 3, pp. 977 - 986
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 05/2019, Volume 876, Issue 2, p. 149
Starting from a prestellar core with a size of 1.2 x 10(4) au, we calculate the evolution of a gravitationally collapsing core until similar to 2000 yr after... 
ISM: jets and outflows | magnetic fields | MOLECULAR CLOUD CORE | accretion, accretion disks | BURST MODE | AMBIPOLAR DIFFUSION | DISK FORMATION | stars: formation | ROTATING MAGNETIZED CLOUDS | HIGH-VELOCITY | COLLAPSE | STELLAR DENSITIES | ASTRONOMY & ASTROPHYSICS | ACCRETION PHASE | magnetohydrodynamics (MHD) | PROTOSTELLAR OUTFLOW
Journal Article