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In this draft photometry and astrometry is presented from the Herschel Space Observatory (HSO). This spacecraft orbits the second Lagrangian point (L2) of the Sun -- Earth system, yielding a mean distance of a million miles (~ 1.5 million…

天体物理仪器与方法 · 物理学 2011-04-04 András Pál

Systematic observations of the Sun are performed at Meudon observatory since 1908 under the form of monochromatic images. However, a major technical improvement occurred in 2017; since this date, spectroscopic datacubes are obtained daily…

天体物理仪器与方法 · 物理学 2026-05-19 Jean-Marie Malherbe

The Observatory Science Operations (OSO) subsystem of the SKAO consists of a range of complex tools which will be used to propose, design, schedule and execute observations. Bridging the gap between the science and telescope domains is the…

In this work we follow a series of papers on high-resolution observations of small-scale structures in the solar atmosphere \citep[][Cabello et al., in prep]{Balmaceda2009, Balmaceda2010, Vargas2011, Palacios2012, Domingo2012, Vargas2015},…

太阳与恒星天体物理 · 物理学 2017-04-04 J. Palacios , S. Vargas Domínguez , L. A. Balmaceda , I. Cabello , V. Domingo

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an airborne astronomical observatory comprised of a 2.5-meter telescope mounted in the aft section of a Boeing 747SP aircraft. During routine operations, several instruments…

The Sun is the main energy source to Earth, and understanding its variability is of direct relevance to climate studies. Measurements of total solar irradiance exist since 1978, but this is too short compared to climate-relevant time…

太阳与恒星天体物理 · 物理学 2023-10-17 Theodosios Chatzistergos , Natalie A. Krivova , Kok Leng Yeo

The long term study of the Sun is necessary if we are to determine the evolution of sunspot properties and thereby inform modeling of the solar dynamo, particularly on scales of a solar cycle. We aim to determine a number of sunspot…

太阳与恒星天体物理 · 物理学 2011-08-23 Fraser T. Watson , Lyndsay Fletcher , Stephen Marshall

Sun-as-a-star observations are very important for the study of the conditions within the Sun and in particular for the deep interior where higher degree modes do not penetrate. They are also of significance in this era of dramatic advances…

太阳与恒星天体物理 · 物理学 2013-06-18 R. A. Garcia , G. R. Davies , A. Jimenez , J. Ballot , S. Mathur , D. Salabert , W. J. Chaplin , Y. Elsworth , C. Regulo , S. Turck-Chieze

The Offline software framework for data analysis of the Pierre Auger Observatory is a set of computational tools developed to cater to the needs of a large and geographically dispersed collaboration established to measure the spectrum,…

天体物理仪器与方法 · 物理学 2019-08-13 Javier G. Gonzalez

Context. Systematic observations of magnetic field strength and polarity in sunspots began at Mount Wilson Observatory (MWO), USA in early 1917. Except for a few brief interruptions, this historical dataset continues till present. Aims. The…

The solar atmosphere is extremely dynamic, and many important phenomena develop on small scales that are unresolved in observations with the Helioseismic and Magnetic Imager (HMI) instrument on the Solar Dynamics Observatory (SDO). For…

太阳与恒星天体物理 · 物理学 2015-08-06 Irina N. Kitiashvili , Sebastien Couvidat , Andreas Lagg

KMOS is a multi-object near-infrared integral field spectrometer with 24 deployable cryogenic pick-off arms. Inevitably, data processing is a complex task that requires careful calibration and quality control. In this paper we describe all…

We have implemented control and data-taking software that makes it possible to scan the beams of individual ALMA antennas to perform quite complex patterns while recording the signals at high rates. We conducted test observations of the Sun…

天体物理仪器与方法 · 物理学 2015-02-24 Neil Phillips , Richard Hills , Tim Bastian , Hugh Hudson , Ralph Marson , Sven Wedemeyer

Context. Aalto University Mets\"ahovi Radio Observatory has collected solar intensity maps for over 45 years. Most data coverage is on the 37 GHz frequency band, tracking emissions primarily at the chromosphere and coronal transition…

太阳与恒星天体物理 · 物理学 2024-02-21 Sami Kivistö , Frederick Gent , Merja Tornikoski , Joni Tammi , Maarit Korpi-Lagg

We present a detailed comparison between simulations and seeing-free observations that takes into account the crucial influence of instrumental image degradation. We use images of quiet Sun granulation taken in the blue, green and red…

太阳与恒星天体物理 · 物理学 2015-05-13 Sven Wedemeyer-Böhm , Luc Rouppe van der Voort

Modern studies of the Sun involve coordinated observations collected from a collage of instruments on the ground and in orbit. Each instrument has its own constraints, such as field of view, duty cycle, and scheduling and commanding…

天体物理仪器与方法 · 物理学 2018-07-02 Neal Hurlburt , Ryan Timmons , Ralph Seguin

Using data from the Michelson Doppler Imager (MDI) instrument on board the Solar and Heliospheric Observatory (SOHO), we study the large-scale velocity fields in the outer part of the solar convection zone using the ring diagram technique.…

天体物理学 · 物理学 2015-06-24 Sarbani Basu , H. M. Antia

The Herschel Space Observatory is the fourth cornerstone mission in the ESA science programme and performs photometry and spectroscopy in the 55 - 672 micron range. The development of the Herschel Data Processing System started in 2002 to…

天体物理仪器与方法 · 物理学 2010-11-05 Stephan Ott , Herschel Science Centre , European Space Agency

To study and monitor the Sun and its atmosphere, various space missions have been launched in the past decades. With the rapid improvement in technology and different mission requirements, the data products are subject to constant change.…