English version - Richard de Grijs
... Chandra’s images are giving the astronomers a closer-than-ever look at the distinctive geometry of the charged particle winds radiating in X-rays and other wavelengths from the objects, according to Posselt. Pulsar wind nebulae (PWN) are produced when the energetic particles streaming from pulsar ...
... Chandra’s images are giving the astronomers a closer-than-ever look at the distinctive geometry of the charged particle winds radiating in X-rays and other wavelengths from the objects, according to Posselt. Pulsar wind nebulae (PWN) are produced when the energetic particles streaming from pulsar ...
Andrés Muñoz-Jaramillo, PhD - Solar Cycle and Solar Dynamo
... 3. The Statistics of Magnetic Structures: The Future of Cycle Prediction and the Key to the Livingston-Penn Effect. • Brown bag seminar at the National Solar Observatory, Tucson, AZ, USA, September 2014. 4. Building the next-generation of model-based solar cycle predictions. • Space Physics Seminar a ...
... 3. The Statistics of Magnetic Structures: The Future of Cycle Prediction and the Key to the Livingston-Penn Effect. • Brown bag seminar at the National Solar Observatory, Tucson, AZ, USA, September 2014. 4. Building the next-generation of model-based solar cycle predictions. • Space Physics Seminar a ...
SGR 1900+14
... Emit typically brief (1-100 ms) bursts that may exceed Eddington Luminosities and very rarely, Giant Flares Rotate in a very narrow period interval (5-11 s) and slow down faster than any other object (~10-10-10-11 s/s) Are powered by magnetic field energy, which heats the neutron star interior so th ...
... Emit typically brief (1-100 ms) bursts that may exceed Eddington Luminosities and very rarely, Giant Flares Rotate in a very narrow period interval (5-11 s) and slow down faster than any other object (~10-10-10-11 s/s) Are powered by magnetic field energy, which heats the neutron star interior so th ...
Catadioptric telescopes
... An X-ray telescope (XRT) is a telescope that is designed to observe remote objects in the X-ray spectrum. In order to get above the Earth's atmosphere, which is opaque to X-rays, X-ray telescopes must be mounted on high altitude rockets or artificial satellites. X-ray telescopes collect the X-rays t ...
... An X-ray telescope (XRT) is a telescope that is designed to observe remote objects in the X-ray spectrum. In order to get above the Earth's atmosphere, which is opaque to X-rays, X-ray telescopes must be mounted on high altitude rockets or artificial satellites. X-ray telescopes collect the X-rays t ...
Manual Sattools
... minutes back and then press 'S'. With 'S' is meant shift + s, so capital S. Caution: do not go too far away from the previous position to prevent the mount from moving a lot and that takes time. Choose a sector of the sky from where most satellites are visible. For the Northern Hemisphere it is in t ...
... minutes back and then press 'S'. With 'S' is meant shift + s, so capital S. Caution: do not go too far away from the previous position to prevent the mount from moving a lot and that takes time. Choose a sector of the sky from where most satellites are visible. For the Northern Hemisphere it is in t ...
PowerPoint
... Munich is using Kepler’s Laws to determine the mass of the black hole in the center of our galaxy using deep nearinfrared observations. Sept 10, 2003 ...
... Munich is using Kepler’s Laws to determine the mass of the black hole in the center of our galaxy using deep nearinfrared observations. Sept 10, 2003 ...
Prop 17 - WM Keck Observatory
... emission from spiders, secondary obscuration, and (3) evaluate the potential of coronagraphic instruments at Keck that look for exo-planets. Description (Please describe your night-time engineering plan; provide justification for the time request, and include figures, ECR description and other attac ...
... emission from spiders, secondary obscuration, and (3) evaluate the potential of coronagraphic instruments at Keck that look for exo-planets. Description (Please describe your night-time engineering plan; provide justification for the time request, and include figures, ECR description and other attac ...
Summary of Talks at Growing Black Holes 2004 in Garching
... detected at 1mm at 1 mJy level. Implies dust w. mass of 1e8 m sun or more and a high SFR. E.g., the z=6.43 quasar has been detected, with an apparent dust mass of 1e8 to 9, H_2 mass of 1e10, and SFR of 1e3/yr. Conclusion : QSOs very likely to be sites of massive SF. -> High resolution CO observati ...
... detected at 1mm at 1 mJy level. Implies dust w. mass of 1e8 m sun or more and a high SFR. E.g., the z=6.43 quasar has been detected, with an apparent dust mass of 1e8 to 9, H_2 mass of 1e10, and SFR of 1e3/yr. Conclusion : QSOs very likely to be sites of massive SF. -> High resolution CO observati ...
2.4m Telescope Group Yunnan Observatory of CAS
... • Follow up planet candidates from SDSS-III MARVELS planet survey • Observe other science targets provided by the consortium members * Network resources will be available to the entire consortium members ...
... • Follow up planet candidates from SDSS-III MARVELS planet survey • Observe other science targets provided by the consortium members * Network resources will be available to the entire consortium members ...
No. 54 - Institute for Astronomy
... the host star (or planet) and maximizing the ability of the telescope’s detectors to see faint objects near a very bright one. To achieve this goal, PLANETS will be different from most telescopes in that it is designed for what scientists call “high photometric dynamic range.” Until the Daniel K. In ...
... the host star (or planet) and maximizing the ability of the telescope’s detectors to see faint objects near a very bright one. To achieve this goal, PLANETS will be different from most telescopes in that it is designed for what scientists call “high photometric dynamic range.” Until the Daniel K. In ...
Century-Long Monitoring of Solar Irradiance and Earth`s Albedo
... an unemcumbered sphere. A sphere of a few meters diameter has mV ≈ 10 at opposition independent of orientation, and the optical appearance of a star (Table 1. Placed at L2 , mV ≈ 18). Photometric observations of GeoSphere with ground-based telescopes can in principle provide centurylong monitoring o ...
... an unemcumbered sphere. A sphere of a few meters diameter has mV ≈ 10 at opposition independent of orientation, and the optical appearance of a star (Table 1. Placed at L2 , mV ≈ 18). Photometric observations of GeoSphere with ground-based telescopes can in principle provide centurylong monitoring o ...
WFXT_Pareschi
... “A further extension of this line of thinking is that experiments could be designed by modelling both the hardware and software as part of the initial design. I myself, together with Richard Burg and Chris Burrows, used this approach in designing in the 1980s what I believe was one of the best exper ...
... “A further extension of this line of thinking is that experiments could be designed by modelling both the hardware and software as part of the initial design. I myself, together with Richard Burg and Chris Burrows, used this approach in designing in the 1980s what I believe was one of the best exper ...
H-alpha and our Sun
... SDO, the Solar Dynamics Observatory, is a program designed to understand the causes of solar variability and its impacts on Earth. SDO was created to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wa ...
... SDO, the Solar Dynamics Observatory, is a program designed to understand the causes of solar variability and its impacts on Earth. SDO was created to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wa ...
PDF document
... limits are 2 . The optical data (gri bands) have been interpolated to the F606W band and the nIR data to the F160W band using an average spectral energy distribution at ⇡ 0.6 days (SED; see SI). HST epoch 1 points are bold symbols. The optical afterglow decays steeply after the first ⇡ 0.3 days, and ...
... limits are 2 . The optical data (gri bands) have been interpolated to the F606W band and the nIR data to the F160W band using an average spectral energy distribution at ⇡ 0.6 days (SED; see SI). HST epoch 1 points are bold symbols. The optical afterglow decays steeply after the first ⇡ 0.3 days, and ...
Lyman-α observations of astrospheres
... respectively). The other two targets are unresolved binaries (70 Oph AB and 36 Oph AB) with rotational periods in the range 19.7–22.9 days and measured mass-loss rates only for the binary systems rather than for the individual stars. The third group of G–K dwarf stars consists of π 1 UMa (Wood et al ...
... respectively). The other two targets are unresolved binaries (70 Oph AB and 36 Oph AB) with rotational periods in the range 19.7–22.9 days and measured mass-loss rates only for the binary systems rather than for the individual stars. The third group of G–K dwarf stars consists of π 1 UMa (Wood et al ...