K. C. Sahu
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View article: Tradition in Transition: Changing Cultural Identity and Knowledge among the Bharia Tribe of Patalkot
Tradition in Transition: Changing Cultural Identity and Knowledge among the Bharia Tribe of Patalkot Open
The Bharia tribe of Patalkot, Madhya Pradesh, represents a significant yet understudied Indigenous community in India. Known for their distinct language, herbal healing practices, and ecological lifestyle, the Bharias are currently facing …
View article: Observability of Isolated Stellar-mass Black Holes
Observability of Isolated Stellar-mass Black Holes Open
Stellar-mass black holes (BHs) represent the natural end states of massive stars. It is estimated that 10 8 stellar-mass BHs are present in the Milky Way galaxy, a significant fraction of which are expected to be isolated. Despite their ex…
View article: Observability of Isolated Stellar-mass Black Holes
Observability of Isolated Stellar-mass Black Holes Open
Stellar-mass black holes (BHs) represent the natural end states of massive stars. It is estimated that $10^8$ stellar-mass BHs are present in the Milky Way galaxy, a significant fraction of which are expected to be isolated. Despite their …
View article: Detection Prospects of Electromagnetic Signatures from OGLE-2011-BLG-0462
Detection Prospects of Electromagnetic Signatures from OGLE-2011-BLG-0462 Open
Stellar-mass isolated black holes wandering in the interstellar medium are expected to be abundant in our Galaxy. Recently, an isolated free floating black hole (IsoBH), OGLE-2011-BLG-0462, was unambiguously discovered using astrometric mi…
View article: OGLE-2011-BLG-0462: An Isolated Stellar-mass Black Hole Confirmed Using New HST Astrometry and Updated Photometry
OGLE-2011-BLG-0462: An Isolated Stellar-mass Black Hole Confirmed Using New HST Astrometry and Updated Photometry Open
The long-duration Galactic-bulge microlensing event OGLE-2011-BLG-0462 produced relativistic astrometric deflections of the source star, which we measured using Hubble Space Telescope (HST) observations taken at eight epochs over ∼6 yr. An…
View article: Testing Cluster Membership of Planetary Nebulae with High-precision Proper Motions. II. HST Observations of PHR J1315–6555 in the Open Cluster AL 1 (ESO 96-SC04)
Testing Cluster Membership of Planetary Nebulae with High-precision Proper Motions. II. HST Observations of PHR J1315–6555 in the Open Cluster AL 1 (ESO 96-SC04) Open
Planetary nebulae (PNe) shown to be members of star clusters provide information on their properties and evolutionary histories that cannot be determined for PNe in the field, in particular the initial masses of their progenitor stars. Her…
View article: Testing Cluster Membership of Planetary Nebulae with High-Precision Proper Motions. II. HST Observations of PHR J1315-6555 in the Open Cluster AL 1 (ESO 96-SC04)
Testing Cluster Membership of Planetary Nebulae with High-Precision Proper Motions. II. HST Observations of PHR J1315-6555 in the Open Cluster AL 1 (ESO 96-SC04) Open
Planetary nebulae (PNe) shown to be members of star clusters provide information on their properties and evolutionary histories that cannot be determined for PNe in the field, in particular the initial masses of their progenitor stars. Her…
View article: Influence of Tool Geometry and Tool Material on the Formability and Formed Part Accuracy in Single Point Incremental Forming
Influence of Tool Geometry and Tool Material on the Formability and Formed Part Accuracy in Single Point Incremental Forming Open
Single Point Incremental Forming (SPIF) has been developed as a versatile technique for manufacturing complex sheet metal components without requiring custom dies. This study investigates the influence of tool geometry and tool material on…
View article: Assessment of Chromosomal Anomaly Risk in Foetuses Using Nuchal Translucency Scan, Free Beta‐HCG and PAPP‐A Levels in the First Trimester
Assessment of Chromosomal Anomaly Risk in Foetuses Using Nuchal Translucency Scan, Free Beta‐HCG and PAPP‐A Levels in the First Trimester Open
View article: Testing Cluster Membership of Planetary Nebulae with High-precision Proper Motions. I. HST Observations of JaFu 1 Near the Globular Cluster Palomar 6
Testing Cluster Membership of Planetary Nebulae with High-precision Proper Motions. I. HST Observations of JaFu 1 Near the Globular Cluster Palomar 6 Open
If a planetary nebula (PN) is shown to be a member of a star cluster, we obtain important new constraints on the mass and chemical composition of the PN’s progenitor star, which cannot be determined for PNe in the field. Cluster membership…
View article: Testing Cluster Membership of Planetary Nebulae with High-Precision Proper Motions. I. HST Observations of JaFu 1 Near the Globular Cluster Palomar 6
Testing Cluster Membership of Planetary Nebulae with High-Precision Proper Motions. I. HST Observations of JaFu 1 Near the Globular Cluster Palomar 6 Open
If a planetary nebula (PN) is shown to be a member of a star cluster, we obtain important new constraints on the mass and chemical composition of the PN's progenitor star, which cannot be determined for PNe in the field. Cluster membership…
View article: Unveiling MOA-2007-BLG-192: An M Dwarf Hosting a Likely Super-Earth
Unveiling MOA-2007-BLG-192: An M Dwarf Hosting a Likely Super-Earth Open
We present an analysis of high-angular-resolution images of the microlensing target MOA-2007-BLG-192 using Keck adaptive optics and the Hubble Space Telescope. The planetary host star is robustly detected as it separates from the backgroun…
View article: Unveiling MOA-2007-BLG-192: An M Dwarf Hosting a Likely Super-Earth
Unveiling MOA-2007-BLG-192: An M Dwarf Hosting a Likely Super-Earth Open
We present an analysis of high angular resolution images of the microlensing target MOA-2007-BLG-192 using Keck adaptive optics and the Hubble Space Telescope. The planetary host star is robustly detected as it separates from the backgroun…
View article: White Paper: Isolated Stellar-Mass Black Holes: Strategy to Improve the Efficiency and Robustness of Detection with Roman
White Paper: Isolated Stellar-Mass Black Holes: Strategy to Improve the Efficiency and Robustness of Detection with Roman Open
Roman telescope provides the best opportunity to detect a large number of Isolated Stellar-Mass Black Holes (ISMBHs) through microlensing. Roman will not only detect long-duration microlensing events caused by ISMBHs, but will also measure…
View article: Mixed convection instability in a viscosity stratified flow in a vertical channel
Mixed convection instability in a viscosity stratified flow in a vertical channel Open
The present study examines the linear instability characteristics of double-diffusive mixed convective flow in a vertical channel with viscosity stratification. The viscosity of the fluid is modelled as an exponential function of temperatu…
View article: Detecting Isolated Stellar-mass Black Holes with the Roman Telescope
Detecting Isolated Stellar-mass Black Holes with the Roman Telescope Open
Isolated stellar-mass black holes (ISMBHs) are potentially discernible through microlensing observations, because they are expected to be long-duration microlensing events. In this work, we study the detection and characterization of ISMBH…
View article: Detecting isolated stellar-mass black holes by the Roman telescope
Detecting isolated stellar-mass black holes by the Roman telescope Open
Isolated Stellar-Mass BlackHoles (ISMBHs) are potentially discernible through microlensing observations. In this work, we study detecting and characterizing ISMBHs with the Roman observations. We simulate a big ensemble of these events as …
View article: Protocol for animal handling in pharmaceutical or medical fields
Protocol for animal handling in pharmaceutical or medical fields Open
All persons working with experimental animals must receive training regarding procedures and equipment to ensure their safety and that of the animals. Training must occur prior to the handling of animals. The principal investigator/profess…
View article: First semi-empirical test of the white dwarf mass–radius relationship using a single white dwarf via astrometric microlensing
First semi-empirical test of the white dwarf mass–radius relationship using a single white dwarf via astrometric microlensing Open
In November 2019, the nearby single, isolated DQ-type white dwarf LAWD 37 (WD 1142-645) aligned closely with a distant background source and caused an astrometric microlensing event. Leveraging astrometry from Gaia and followup data from t…
View article: Different types of pharmaceutical tablets used for treatment of diseases
Different types of pharmaceutical tablets used for treatment of diseases Open
In modern age of revolution and development in drug delivery for better clinical effects conventional dosages form have still a strong grip and most popular in all kinds of medicinal preparation intended for oral use. To satisfy the need o…
View article: Herbal medicine traditionally uses for prevention treatment and cure of cancer
Herbal medicine traditionally uses for prevention treatment and cure of cancer Open
Herbal medicine is a complementary therapy that some people with cancer use to ease cancer symptoms and relieve treatment side effects. Mesothelioma patients should discuss herbal medicine with their doctor to avoid drug interactions and n…
View article: Role of stem cell in medical care and treatment
Role of stem cell in medical care and treatment Open
In stem cell transplants, stem cells replace cells damaged by serve as a way for the donor's immune system to fight some types of cancer and blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma. This resea…
View article: Role of stem cell in medical care and treatment
Role of stem cell in medical care and treatment Open
In stem cell transplants, stem cells replace cells damaged by serve as a way for the donor's immune system to fight some types of cancer and blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma. This resea…
View article: First semi-empirical test of the white dwarf mass-radius relationship using a single white dwarf via astrometric microlensing
First semi-empirical test of the white dwarf mass-radius relationship using a single white dwarf via astrometric microlensing Open
In November 2019, the nearby single, isolated DQ-type white dwarf LAWD 37 (WD 1142-645) aligned closely with a distant background source and caused an astrometric microlensing event. Leveraging astrometry from \Gaia{} and followup data fro…
View article: Herbs as cosmetics for natural care: A review
Herbs as cosmetics for natural care: A review Open
Herbal plants have been used in medicines and cosmetics from centuries. Their potential to treat various skin diseases, to soothe and improve the skin appearance is well-known. The beginning of the 21st century has seen significant progres…
View article: Predicted trends in Milky Way bulge proper motion rotation curves: future prospects for <i>HST</i> and LSST
Predicted trends in Milky Way bulge proper motion rotation curves: future prospects for <i>HST</i> and LSST Open
We use an N-body+smoothed particle hydrodynamics simulation of an isolated barred galaxy to study the age dependence of bulge longitudinal proper motion (μl) rotation curves. We show that close to the minor axis (|l| ∼ 0○) the relatively y…
View article: Development, characterization, in vitro and ex vivo evaluation of antiemetic transdermal patches of ondansetron hydrochloride and dexamethasone
Development, characterization, in vitro and ex vivo evaluation of antiemetic transdermal patches of ondansetron hydrochloride and dexamethasone Open
The idea of delivering drugs through skin is old, as the use is reported back in 16th century B.C. The husk of the castor oil plant in water was placed on an aching head. Today the transdermal drug delivery is well accepted for …
View article: Development, characterization, in vitro and ex vivo evaluation of antiemetic transdermal patches of ondansetron hydrochloride and dexamethasone
Development, characterization, in vitro and ex vivo evaluation of antiemetic transdermal patches of ondansetron hydrochloride and dexamethasone Open
The idea of delivering drugs through skin is old, as the use is reported back in 16th century B.C. The husk of the castor oil plant in water was placed on an aching head. Today the transdermal drug delivery is well accepted for delivering …
View article: Startlingly Fast Evolution of the Stingray Planetary Nebula and its Central Star, V839 Arae
Startlingly Fast Evolution of the Stingray Planetary Nebula and its Central Star, V839 Arae Open
The planetary nebula (PN) called the Stingray (PN G331.3$-$12.1) suddenly turned on in the 1980s, and its central star (V839 Ara) started a fast evolution with large amplitudes in magnitude, surface temperature, and surface gravity, perhap…