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The Stellar Observations Network Group (SONG) is an international network project aiming to place eight 1-m robotic telescopes around the globe, with the primary objectives of studying stellar oscillations and planets using ultra-precision…

SONG (Stellar Observations Network Group) is a global network of 1-m class robotic telescopes that is under development. The SONG prototype will shortly be operational at Observatorio del Teide, Tenerife, and first light is expected by…

The Stellar Observations Network Group (SONG) has obtained full funding for the design, construction and implementation of a prototype telescope and instrumentation package for the first network node. We describe the layout of such a node…

Solar and Stellar Astrophysics · Physics 2009-08-05 F. Grundahl , J. Christensen-Dalsgaard , H. Kjeldsen , U. G. Jørgensen , T. Arentoft , S. Frandsen , P. Kjærgaard

We present a description of "the Conductor", an automated software package which handles all observations at the first Stellar Observations Network Group (SONG) node telescope at the Teide Observatory on the island of Tenerife. The idea was…

Instrumentation and Methods for Astrophysics · Physics 2019-03-06 M. Fredslund Andersen , R. Handberg , E. Weiss , S. Frandsen , S. Simón-Díaz , F. Grundahl , P. Pallé

Stellar Oscillations Network Group (SONG) is an initiative aimed at designing and building a network of 1m-class telescopes dedicated to asteroseismology and planet hunting. SONG will have 8 identical telescope nodes each equipped with a…

Astrophysics · Physics 2009-06-23 F. Grundahl , H. Kjeldsen , J. Christensen-Dalsgaard , T. Arentoft , S. Frandsen

SONG aims at setting up a network of small 1m telescopes around the globe to observe stars uninterrupted throughout days, weeks and even months. This paper describes the fundamental aspects for putting up such a network and how we will…

Instrumentation and Methods for Astrophysics · Physics 2019-01-25 M. F. Andersen , F. Grundahl , J. Christensen-Dalsgaard , S. Frandsen , U. G. Jørgensen , H. Kjeldsen , P. Pallé , J. Skottfelt , A. N. Sørensen , E. Weiss

While Kepler has pushed the science of asteroseismology to limits unimaginable a decade ago, the need for asteroseismic studies of individual objects remains. This is primarily due to the limitations of single-colour intensity variations,…

Solar and Stellar Astrophysics · Physics 2015-06-17 T. Arentoft , B. Tingley , J. Christensen-Dalsgaard , H. Kjeldsen , T. R. White , F. Grundahl

The Stellar Observation Network Group (SONG) is an initiative to build a worldwide network of 1m telescopes with highprecision radial-velocity spectrographs. Here we analyse the first radial-velocity time series of a red-giant star measured…

SONG is a global ground based network of 1 meter telescopes for stellar time-domain science, an international collaboration involving many countries across the world. In order to enable a favourable duty cycle, the SONG network plans to…

Instrumentation and Methods for Astrophysics · Physics 2016-08-31 J. F. Tian , L. C. Deng , X. B. Zhang , X. M. Lu , J. J. Sun , Q. L. Liu , Q. Zhou , Z. Z. Yan , Y. Xin , K. Wang , X. J. Jiang , Z. Q. Luo , J. Yang

Context. We present the first high-cadence multi-wavelength radial-velocity observations of the Sun-as-a-star, carried out during 57 consecutive days using the stellar \'echelle spectrograph at the Hertzsprung SONG Telescope operating at…

Context. Recently our ability to study stars using asteroseismic techniques has increased dramatically, largely through the use of space based photometric observations. Work has also been done using ground based spectroscopic observations…

Solar and Stellar Astrophysics · Physics 2018-10-03 Jesper Schou

We introduce the Lee Sang Gak Telescope (LSGT), a remotely operated, robotic 0.43-meter telescope. The telescope was installed at the Siding Spring Observatory, Australia, in 2014 October, to secure regular and exclusive access to the dark…

Instrumentation and Methods for Astrophysics · Physics 2015-10-13 Myungshin Im , Changsu Choi , Kihyun Kim

The primary challenge of GOLF-NG (Global Oscillations at Low Frequency New Generation) is the detection of the low-frequency solar gravity and acoustic modes, as well as the possibility to measure the high-frequency chromospheric modes. On…

We report on the implemented design of a two-colour instrument based on electron multiplying CCD (EMCCD) detectors. This instrument is currently installed at the Danish 1.54m telescope at ESO's La Silla Observatory in Chile, and will be…

The observation of a prompt optical flash from GRB990123 convincingly demonstrated the value of autonomous robotic telescope systems. Pursuing a program of rapid follow-up observations of gamma-ray bursts, the Robotic Optical Transient…

The GOLF instrument on board SoHO has been in operation for almost 25 years but aging of the instrument has now strongly affected its performance, especially in the low-frequency p-mode region. At the end of the SoHO mission, the…

Solar and Stellar Astrophysics · Physics 2022-02-02 S. N. Breton , P. L. Pallé , R. A. García , M. Fredslund Andersen , F. Grundahl , J. Christensen-Dalsgaard , H. Kjeldsen , S. Mathur

The Telescope to Observe Planetary Systems (TOPS) is a proposed space mission to image in the visible (0.4-0.9 micron) planetary systems of nearby stars simultaneously in 16 spectral bands (resolution R~20). For the ~10 most favorable…

Robo-AO is the first autonomous laser adaptive optics system and science instrument operating on sky. With minimal human oversight, the system robotically executes large scale surveys, monitors long-term astrophysical dynamics and…

The approach of Observational Astronomy is mainly aimed at the construction of larger aperture telescopes, more sensitive detectors and broader wavelength coverage. Certainly fruitful, this approach turns out to be not completely fulfilling…

Since May 2006, the two STELLA robotic telescopes at the Izana observatory in Tenerife, Spain, delivered an almost uninterrupted stream of scientific data. To achieve such a high level of autonomous operation, the replacement of all…

Instrumentation and Methods for Astrophysics · Physics 2010-10-19 Thomas Granzer , Michael Weber , Klaus G. Strassmeier
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