搜索结果: 1-8 共查到“星系与宇宙学 measurements”相关记录8条 . 查询时间(0.28 秒)
The 2Mass Color-magnitude Diagram of the Center of the Sagittarius Dwarf Galaxy: Photometric Measurements of a Surprisingly High Mean Metallicity
abundances stellar
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2014/12/23
We present the Two Micron All Sky Survey (2MASS) (J−K, K) color-magnitude diagram for the region within 1◦ of the center of the Sagittarius dwarf spheroidal galaxy. Using the slope of the ...
Herschel/HIFI measurements of the ortho/para ratio in water towards Sagittarius B2(M) and W31C*
gas dust
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2014/12/22
We present Herschel/HIFI observations of the fundamental rotational transitions of ortho- and para-H216O and H218O in absorption towards Sagittarius B2(M) and W31C. The ortho/para ratio in water in th...
Flux density measurements of a complete sample of faint blazars
fl ux density spectral index polarisation – galaxies quasars BL Lacs radio continuum galaxies
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2011/10/18
We performed observations with the Effelsberg 100-m radio telescope to measure flux densities and polarised emission of sources selected from the "Deep X-ray Radio Blazar Survey" (DXRBS) to better def...
Adaptive optics assisted near-infrared polarization measurements of sources in the Galactic Center
Galaxy: center - Polarization - dust, extinction - Infrared: stars
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2011/10/11
The goals of this work are to provide NIR polarimetry of the stellar sources in the central pc at the resolution of an 8m telescope for the first time, along with new insights into the nature of the k...
W-band prototype of platelet feed-horn array for CMB polarisation measurements
platelet feed-horn array polarisation measurements
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2011/9/28
We present the design and performance of a 2x2 prototype array of corrugated feed-horns in W-band. The module is fabricated using a so-called "platelet" technique by milling Aluminum plates. This tech...
Binary star speckle measurements with the 1.52-m telescope at calar alto
Binary star calar alto speckle measurements
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2009/7/9
Binary star speckle measurements with the 1.52-m telescope at calar alto。
First speckle interferometry measurements of binary stars at the OAN-Tonantzintla
speckle interferometry measurements binary stars OAN-Tonantzintla
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2009/7/9
First speckle interferometry measurements of binary stars at the OAN-Tonantzintla。
CCD MEASUREMENTS OF DOUBLE AND MULTIPLE STARS AT NAO ROZHEN. III
binaries visual
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2009/2/17
Using the 2-m telescope of the Bulgarian National Astronomical
Observatory at Rozhen, observations of 55 multiple stars were carried out during
one night, December 16/17. 2006. This is the third ser...