874 research outputs found
Can the Philippines' Human Resource Base Meet the Challenge of a Liberalized Financial Sector?
Is the Philippines ready to face foreign competition in the financial sector? Does it have enough supply of professionals who are capable of meeting the human resource requirements of domestic and foreign financial corporations in this kind of liberalized environment? Professor Tullao seeks to provide the answers in this Policy Notes.financial sector, financial liberalization, human resource development
An Analysis on the Efficiency of Philippine Microfinance Institutions: A Stochastic Frontier Approach
Microfinance institutions (MFIs) were created to provide loans and financial services for the poor as commercial banks have requirements that are not accessible to them. The Philippines government soon started using MFIs as a poverty alleviation tool to answer the market failure created by the commercial banking industry since it cannot accommodate the needs of low-income earners due to the high costs attached to it. However, recent studies have shown that MFIs are “mission drifting,” which means that they are deviating from their original social purpose and becoming more financially driven. As a result, this paper estimates the financial and social efficiency of Philippine MFIs using a two-step Stochastic Frontier Approach from 2005 to 2018
Training and Onboarding initiatives in High Energy Physics experiments
In this paper we document the current analysis software training and
onboarding activities in several High Energy Physics (HEP) experiments: ATLAS,
CMS, LHCb, Belle II and DUNE. Fast and efficient onboarding of new
collaboration members is increasingly important for HEP experiments as analyses
and the related software become ever more complex with growing datasets. A
meeting series was held by the HEP Software Foundation (HSF) in 2022 for
experiments to showcase their initiatives. Here we document and analyse these
in an attempt to determine a set of key considerations for future experiments
TESS Shines Light on the Origin of the Ambiguous Nuclear Transient ASASSN-18el
We analyze high-cadence data from the Transiting Exoplanet Survey Satellite
(TESS) of the ambiguous nuclear transient (ANT) ASASSN-18el. The optical
changing-look phenomenon in ASASSN-18el has been argued to be due to either a
drastic change in the accretion rate of the existing active galactic nucleus
(AGN) or the result of a tidal disruption event (TDE). Throughout the TESS
observations, short-timescale stochastic variability is seen, consistent with
an AGN. We are able to fit the TESS light curve with a damped-random-walk (DRW)
model and recover a rest-frame variability amplitude of mJy and a rest-frame timescale of days.
We find that the estimated for ASASSN-18el is broadly consistent
with an apparent relationship between the DRW timescale and central
supermassive black hole mass. The large-amplitude stochastic variability of
ASASSN-18el, particularly during late stages of the flare, suggests that the
origin of this ANT is likely due to extreme AGN activity rather than a TDE.Comment: 13 pages, 8 figures. Will be submitted to AAS journals. Comments
welcom
KELT-20b: A Giant Planet With A Period Of P ~ 3.5 Days Transiting The V ~ 7.6 Early A Star HD 185603
We report the discovery of KELT-20b, a hot Jupiter transiting a early A star, HD 185603, with an orbital period of days. Archival and follow-up photometry, Gaia parallax, radial velocities, Doppler tomography, and AO imaging were used to confirm the planetary nature of KELT-20b and characterize the system. From global modeling we infer that KELT-20 is a rapidly rotating ( ) A2V star with an effective temperature of K, mass of , radius of , surface gravity of , and age of . The planetary companion has a radius of , a semimajor axis of au, and a linear ephemeris of . We place a upper limit of on the mass of the planet. Doppler tomographic measurements indicate that the planetary orbit normal is well aligned with the projected spin axis of the star ( ). The inclination of the star is constrained to , implying a three-dimensional spin–orbit alignment of . KELT-20b receives an insolation flux of , implying an equilibrium temperature of of ∼2250 K, assuming zero albedo and complete heat redistribution. Due to the high stellar , KELT-20b also receives an ultraviolet (wavelength nm) insolation flux of , possibly indicating significant atmospheric ablation. Together with WASP-33, Kepler-13 A, HAT-P-57, KELT-17, and KELT-9, KELT-20 is the sixth A star host of a transiting giant planet, and the third-brightest host (in V ) of a transiting planet
- …