Results 121 to 130 of about 1,262,539 (347)

The October 10, 1912 solar eclipse expeditions and the first attempt to measure light-bending by the Sun [PDF]

open access: yesarXiv, 2020
In 1911 Einstein proposed that light-bending by the Sun's gravitational field could be measured during a total solar eclipse. The first opportunity in which this measurement would be tried, was during the total solar eclipse of October 10, 1912. We report about the expeditions sent to Brazil to observe this eclipse, including the one from the C\'ordoba
arxiv  

Kepler Eclipsing Binary Stars. V. Identification of 31 Eclipsing Binaries in the K2 Engineering Data-set [PDF]

open access: yes, 2014
Over 2500 eclipsing binaries were identified and characterized from the ultra-precise photometric data provided by the Kepler space telescope. Kepler is now beginning its second mission, K2, which is proving to again provide ultra-precise photometry for a large sample of eclipsing binary stars.
arxiv   +1 more source

Search for possible neutrino radiative decays during the 2001 total solar eclipse

open access: yes, 2004
We present the results of the observations performed in the occasion of the June 21, 2001 total solar eclipse, looking for visible photons emitted trough a possible radiative decay of solar neutrinos.
Acker   +31 more
core   +1 more source

Interface and surface engineering of MXenes and COFs for energy storage and conversion

open access: yesInfoMat, EarlyView.
The work highlights key developments in MXene‐COF integration, advantages/disadvantages, mechanism, and offers insights into their applications in batteries (Li‐ion, K‐ion, Na‐ion, and Li‐S), supercapacitors, and electrocatalysis (HER, OER, RR, NRR, and ORRCO2).
Iftikhar Hussain   +10 more
wiley   +1 more source

A fixed point in Coptic Chronology: the solar eclipse of 10 March, 601 [PDF]

open access: yesarXiv, 2006
We reconsider the description of a solar eclipse in the Coptic ostracon in the Egyptian museum, Turin, confirming its identification with the solar eclipse of 10 march 601. This provides one of very few fixed dates in Coptic chronology. We comment on the rarity of such descriptions.
arxiv  

Eclipses and dust formation by WC9 type Wolf-Rayet stars [PDF]

open access: yes, 2014
Visual photometry of 16 WC8-9 dust-making Wolf-Rayet (WR) stars during 2001--2009 was extracted from the All Sky Automated Survey All Star Catalogue (ASAS-3) to search for eclipses attributable to extinction by dust formed in clumps in our line of sight.
arxiv   +1 more source

Effects of the solar eclipse on 15 January 2010 on the surface O3, NO, NO2, NH3, CO mixing ratio and the meteorological parameters at Thiruvanathapuram, India [PDF]

open access: yes, 2010
In this paper, we present the effect of total solar eclipse on surface O3, NO, NO2, NH3, CO mixing ratio and the meteorological parameters on 15 January 2010 at Thiruvanathapuram, India.
Sharma, S. K.   +10 more
core  

Plasmonic Hafnium Nitride Nanoparticle‐Decorated Graphitic Carbon Nitride for Plasmon‐Enhanced Photocatalytic Dye Degradation

open access: yesNano Select, EarlyView.
A plasmonic HfN@g‐CN nanocomposite was developed to enhance visible light‐driven photocatalytic dye degradation. The incorporation of plasmonic HfN nanoparticles (NPs) into graphitic carbon nitride (g‐CN) improved light absorption and charge separation.
Caner Soylukan   +6 more
wiley   +1 more source

The 2017 total solar eclipse in the United States: Traffic management and lessons learned

open access: yesTransportation Research Interdisciplinary Perspectives, 2022
On August 21, 2017, 14 states in the United States experienced a total solar eclipse. The event attracted people to the path of totality and generated additional traffic that might have negatively impacted the regular traffic operation and management ...
Frank Ngeni   +2 more
doaj  

The Eclipsing Cataclysmic Variables PHL 1445 and GALEX J003535.7+462353 [PDF]

open access: yesarXiv, 2011
PHL 1445 is found to be an eclipsing cataclysmic variable with an orbital period of 76.3 minutes. GALEX J003535.7+462353 is a new eclipsing dwarf nova with an orbital period of 4.13 hours. Both objects show deep eclipses with an amplitude of more than two magnitudes.
arxiv  

Home - About - Disclaimer - Privacy