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Two James Webb instruments are best suited for exoplanet atmospheres
Two James Webb instruments exoplanet atmospheres
2017/7/20
The best way to study the atmospheres of distant worlds with the James Webb Space Telescope, scheduled to launch in late 2018 will combine two of its infrared instruments, according to a team of astro...
Accurate Group Delay Measurement for Radial Velocity Instruments Using the Dispersed Fixed Delay Interferometer Method
Radial Velocity Dispersed Interferometer Method
2011/9/30
The Dispersed Fixed Delay Interferometer (DFDI) method is attractive for its low cost, compact size and multi-object capability in precision radial velocity (RV) measurements. The phase shift of fring...
Comparison of seismic signatures of flares obtained by SOHO/MDI and GONG instruments
Comparison seismic signatures obtained instruments
2011/9/30
The first observations of seismic responses to solar flares were carried out using time-distance (TD) and holography techniques applied to SOHO/MDI Dopplergrams obtained from space and un-affected by ...
Instruments of RT-2 Experiment onboard CORONASPHOTON and their test and evaluation V: Onboard software, Data Structure, Telemetry and Telecommand
Satellites communication X- and gamma-ray telescopes and instrumen-tation
2010/11/16
The onboard software and data communication in the RT-2 Experiment onboard the Coronas-Photon satellite is organized in a hierarchical way to effectively handle and communicate asynchronous data gener...
Instruments of RT-2 Experiment onboard CORONASPHOTON and their test and evaluation IV: Background Simulations using GEANT-4 Toolkit
Radiation detectors X- and gamma-ray telescopes and instrumentation
2010/11/16
Hard X-ray detectors in space are prone to background signals due to the ubiquitous cosmic rays and cosmic diffuse background radiation that continuously bom-bards the satellites which carry the detec...
Instruments of RT-2 Experiment onboard CORONASPHOTON and their test and evaluation III: Coded Aperture Mask and Fresnel Zone Plates in RT-2/CZT Payload
Zone plates X- and gamma-ray telescopes and instrumentation Fourier
2010/11/16
Imaging in hard X-rays of any astrophysical source with high angular resolu-tion is a challenging job. Shadow-casting technique is one of the most viable options for imaging in hard X-rays. We have us...
Instruments of RT-2 Experiment onboard CORONAS-PHOTON and their test and evaluation I: Ground calibration of RT-2/S and RT-2/G
Scintillation detectors · X
2010/11/16
Phoswich detectors (RT-2/S & RT-2/G) are major scientific payloads of the RT-2 Experiment onboard the CORONAS-PHOTON mission, which was launched into a polar Low Earth Orbit of around 550 km on 2009 J...
NASA Instruments Reveal Water Molecules on Lunar Surface
NASA Instruments Water Molecules Lunar Surface
2009/9/28
NASA scientists have discovered water molecules in the polar regions of the moon. Instruments aboard three separate spacecraft revealed water molecules in amounts that are greater than predicted, but ...
An All Sky Extrasolar Planet Survey with new generation multiple object Doppler instruments at Sloan telescope
Sky Extrasolar Planet Doppler instruments Sloan telescope
2009/6/30
An All Sky Extrasolar Planet Survey with new generation multiple object Doppler instruments at Sloan telescope。
Galaxies at z>7：probing galaxy formation with the new generation of nir instruments
z>7 galaxy formation nir instruments
2009/6/30
Galaxies at z>7：probing galaxy formation with the new generation of nir instruments。
Scientists Use Earth-based Instruments to Document Mercury’s Molten Core（图）
Mercury planetary physics
2007/5/8
3 May 2007，Scientists using Earth-based instruments have discovered that Mercury’s core is partially molten and moving independently from the planet’s other layers, according to research in the 4 May ...