?! XMM-Newton ready for the next decade?!!!! Chandra calibration meeting
... of the EPIC-MOS cameras --> after cooling nearly back to launch values no major effects are anticipated during the next solar cycle resolution @2015 is still near to launch values Marcus G. F. Kirsch – factor FWHM@Mn: M1:1.16, M2: 1.10, pn: 1.20 XMM-Newton Page 7 ...
... of the EPIC-MOS cameras --> after cooling nearly back to launch values no major effects are anticipated during the next solar cycle resolution @2015 is still near to launch values Marcus G. F. Kirsch – factor FWHM@Mn: M1:1.16, M2: 1.10, pn: 1.20 XMM-Newton Page 7 ...
- CUNY Academic Works
... today. The instruments used by astronomers have drastically changed over the centuries since the introduction of the telescope in 1610, and as a result, our perception of the universe has changed as well. Technology has always been a critical component of what is considered to be the oldest science, ...
... today. The instruments used by astronomers have drastically changed over the centuries since the introduction of the telescope in 1610, and as a result, our perception of the universe has changed as well. Technology has always been a critical component of what is considered to be the oldest science, ...
Telescopes
... Infrared radiation can image where visible radiation is blocked; generally can use optical telescope mirrors and lenses ...
... Infrared radiation can image where visible radiation is blocked; generally can use optical telescope mirrors and lenses ...
Tight L iso -E p -Γ 0 Relation of Long Gamma
... The Liso-Ep,z-Γ0 may be a promising GRB cosmology ruler, but issues are still there. Our new observational project is going on for pushing the cosmology use of this relation . ...
... The Liso-Ep,z-Γ0 may be a promising GRB cosmology ruler, but issues are still there. Our new observational project is going on for pushing the cosmology use of this relation . ...
Document
... implying that all mass eigenstates are limited, meaning active neutrinos cannot be the dark matter. This is independently confirmed by the cosmology limits. Both results had important contributions from theory. • New limits on diffuse SN neutrino flux. Astrophysical uncertainties are now reduced to ...
... implying that all mass eigenstates are limited, meaning active neutrinos cannot be the dark matter. This is independently confirmed by the cosmology limits. Both results had important contributions from theory. • New limits on diffuse SN neutrino flux. Astrophysical uncertainties are now reduced to ...
The Sun`s journey through the local interstellar medium: the
... spheric boundary conditions caused by ionization variations due to the attenuation of photons with energy E > 13.6 eV (the ionization edge of Ho ). These variations are shown by our radiative transfer (RT) models (Slavin and Frisch, 2002)1 . The CLIC is partially opaque to H-ionizing photons (λ < 91 ...
... spheric boundary conditions caused by ionization variations due to the attenuation of photons with energy E > 13.6 eV (the ionization edge of Ho ). These variations are shown by our radiative transfer (RT) models (Slavin and Frisch, 2002)1 . The CLIC is partially opaque to H-ionizing photons (λ < 91 ...
THE EVOLUTION OF SOLAR FLUX FROM 0.1 nm TO 160μm
... where the scaling parameters α are given in Table 1, but cancel out here, due to the normalization to the modern Sun. It is important to note that Equation (2) is only one part of a competing set of physical process (including strong lines, photospheric models, and a “chromospheric excess”) that wil ...
... where the scaling parameters α are given in Table 1, but cancel out here, due to the normalization to the modern Sun. It is important to note that Equation (2) is only one part of a competing set of physical process (including strong lines, photospheric models, and a “chromospheric excess”) that wil ...
Chapter 20
... The largest Schmidt telescopes, except for one of interchangeable design, are at the Palomar Observatory in California and at the United Kingdom Schmidt site in Australia (see figure); these telescopes have front lenses 1.25 m (49 inches) in diameter and mirrors half again as large. (The back mirror ...
... The largest Schmidt telescopes, except for one of interchangeable design, are at the Palomar Observatory in California and at the United Kingdom Schmidt site in Australia (see figure); these telescopes have front lenses 1.25 m (49 inches) in diameter and mirrors half again as large. (The back mirror ...
Hint of a transiting extended atmosphere on 55 Cancri b⋆
... 2. Observations and data analysis 2.1. Hubble space telescope Lyα observations ...
... 2. Observations and data analysis 2.1. Hubble space telescope Lyα observations ...
A Study of the Nature and Representative Features of Supernova
... The nature of supernovae was not initially understood. They were referred to as “guest stars” and seen as omens in a variety of cultures in Asian and European countries. Approximately 231 confirmed nearby (Galactic) supernovae remnants exist, with a few dozen other heavily suspected. For a listing a ...
... The nature of supernovae was not initially understood. They were referred to as “guest stars” and seen as omens in a variety of cultures in Asian and European countries. Approximately 231 confirmed nearby (Galactic) supernovae remnants exist, with a few dozen other heavily suspected. For a listing a ...
Electronic version
... they were often relatively small and simple in function, they have placed Japan in the forefront of X-ray astronomy. Neutrinos from the 1987 supernova in the LMC were first detected by the Karniokande, a neutrino laboratory constructed in a deep, ...
... they were often relatively small and simple in function, they have placed Japan in the forefront of X-ray astronomy. Neutrinos from the 1987 supernova in the LMC were first detected by the Karniokande, a neutrino laboratory constructed in a deep, ...
Lecture 9, 9/30/99 - University of Rochester
... Mirrors, on the other hand, need not be made of transparent materials, and can be supported solidly from their back sides. Their use in telescopes is therefore universal, at all wavelengths from X rays to radio. At ultraviolet, visible and infrared wavelengths, the mirrors are commonly made of polis ...
... Mirrors, on the other hand, need not be made of transparent materials, and can be supported solidly from their back sides. Their use in telescopes is therefore universal, at all wavelengths from X rays to radio. At ultraviolet, visible and infrared wavelengths, the mirrors are commonly made of polis ...
Astrophysical explosions: from solar flares to cosmic gamma
... Keywords: neutron stars; black holes; supernovae; gamma-ray bursts; deflagration; detonation ...
... Keywords: neutron stars; black holes; supernovae; gamma-ray bursts; deflagration; detonation ...
The Big Eye Now and Then
... To make this artificial star, a laser was broadcast into the sky. This was the first step in creating a laserguide star for use with a technique known as adaptive optics. Adaptive optics allows astronomers to correct for the fuzzy images produced by Earth’s moving atmosphere, giving them a view that ...
... To make this artificial star, a laser was broadcast into the sky. This was the first step in creating a laserguide star for use with a technique known as adaptive optics. Adaptive optics allows astronomers to correct for the fuzzy images produced by Earth’s moving atmosphere, giving them a view that ...
PDF Full-text
... To estimate the importance of this missing UV flux on the molecular-mixing ratios, Miguel et al. [15] computed photochemical models for the mini-Neptune GJ 436b as a function of the incident flux in Lyman-α, the brightest UV emission line. They find that disequilibrium becomes important for H2 O and ...
... To estimate the importance of this missing UV flux on the molecular-mixing ratios, Miguel et al. [15] computed photochemical models for the mini-Neptune GJ 436b as a function of the incident flux in Lyman-α, the brightest UV emission line. They find that disequilibrium becomes important for H2 O and ...
