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1. Altair Observations of 3C273

   H and J band observations of 3C273 from the commissioning run of Altair are presented. The data are compared with HST data, and some new...

   J.B. Hutchings, J. Stoesz, ... F. Rigaut in Science with Adaptive Optics

   Conference paper
   

2. The Catalog of Hvar Observatory Solar Observations

   We compile the catalog of Hvar Observatory (HVAR) solar observations in the time period corresponding to regular digitally stored chromospheric and...

   Mateja Dumbović, Luči Karbonini, ... Bojan Vršnak in Solar Physics

   Article 21 May 2024
   

3. Solar Cycle Observations

   We describe the defining observations of the solar cycle that provide constraints for the dynamo processes operating within the Sun. Specifically, we...

   Aimee Norton, Rachel Howe, ... Ilya Usoskin in Space Science Reviews

   Article Open access 17 October 2023
   

4. Adaptive Optics Observations of the Sun

   Modern solar observations are performed close to the diffraction limit of the existing solar telescopes since important, fundamental processes on the...

   Christoph U. Keller in Science with Adaptive Optics

   Conference paper
   

5. Cosmic Acceleration, Scalar Fields, and Observations

   Conditions for accelerated expansion of Friedmann–Robertson–Walker space–time are analyzed. Connection of this scenario with present–day observations...

   César A. Terrero-Escalante in The Early Universe and Observational Cosmology

   Chapter
   

6. Near-Infrared Polarimetric Observations of GRB Afterglows

   We give a status report on our project of rapid follow-up polarimetric observations of GRB afterglows in the near-infrared.

   Sylvio Klose, Bringfried Stecklum, Olaf Fischer in Gamma-Ray Bursts in the Afterglow Era

   Conference paper
   

7. Follow-Up Observations from Observatories Based in Spain

   We present a review of the follow-up observations carried out from observatories located in Spain; Calar-Alto, Izaña and Roque de Los Muchachos. It...

   Javier Gorosabel, Alberto J. Castro-Tirado, ... Niels Lund in Gamma-Ray Bursts in the Afterglow Era

   Conference paper
   

8. The Galactic Center and M87*: Observations and Interpretations

   Abstract

   Precise observations of the trajectories of bright stars near the Galactic Center (GC) make it possible to estimate the gravitational...

   A. F. Zakharov in Physics of Particles and Nuclei Letters

   Article 22 June 2023
   

9. Null energy condition violation during inflation and pulsar timing array observations

   Recently, evidence of stochastic gravitational wave background (SGWB) signals observed by pulsar timing array (PTA) collaborations, has prompted...

   Gen Ye, Mian Zhu, Yong Cai in Journal of High Energy Physics

   Article Open access 01 February 2024

10. Selecting orbits for Earth observations

    Selecting orbits for a satellite to observe the Earth is a very important task in aerospace engineering. There are several constraints to be...

    L. B. T. Santos, A. F. B. A. Prado, ... N. B. D. Lima in The European Physical Journal Special Topics

    Article 04 December 2023
    

11. Insights from underground laboratory observations: attenuation-induced suppression of electromagnetic noise

    This study involved synchronous observations of electromagnetic (EM) fields at both ground level (+ 22 m above sea level) and a depth of − 848 m...

    Chengliang **e, Chang Chen, ... Yun Wang in The European Physical Journal Plus

    Article 05 March 2024
    

12. Multiwavelength Observations of a Breakout Jet at an Active Region Periphery

    We analyzed Interface-Region Imaging Spectrograph (IRIS) and Solar Dynamics Observatory/Atmospheric Imaging Assembly (SDO/AIA) observations of a...

    Pradeep Kayshap, Judith T. Karpen, Pankaj Kumar in Solar Physics

    Article 19 June 2024
    

13. Selection of Extragalactic Targets for AO and VLTI Observations

    In this contribution we would like to emphasize the usefulness of data mining multiwavelength surveys like the Sloan Digital Sky Survey (SDSS) or the...

    Jens Zuther, Andreas Eckart, ... Christian Straubmeier in Science with Adaptive Optics

    Conference paper
    

14. Some Recent, Interesting Observations of Gamma-Ray Bursts

    I review some of the observations of time histories, energy spectra, and the statisticalprop erties of gamma ray bursts (GRBs) which have been made...

    Kevin Hurley in Gamma-Ray Bursts in the Afterglow Era

    Conference paper
    

15. Synergies Between Venus & Exoplanetary Observations

    Here we examine how our knowledge of present day Venus can inform terrestrial exoplanetary science and how exoplanetary science can inform our study...

    M. J. Way, Colby Ostberg, ... Matthew Weller in Space Science Reviews

    Article Open access 09 February 2023
    

16. Forward modelling low-spectral-resolution Cassini/CIRS observations of Titan

    The Composite InfraRed Spectrometer (CIRS) instrument onboard the Cassini spacecraft performed 8.4 million spectral observations of Titan at...

    Lucy Wright, Nicholas A. Teanby, ... Conor A. Nixon in Experimental Astronomy

    Article Open access 21 March 2024
    

17. High Angular Resolution Observations of Binary Brown Dwarfs

    We present the result of our recent high angular resolution observations of binary brown dwarfs in imaging and spectroscopy. We compare the two...

    Hervé Bouy, Wolfgang Brandner in Science with Adaptive Optics

    Conference paper
    

18. AO-Assisted Observations of Ultra-Compact H II Regions

    High-spatial resolution observations in the near-infrared (NIR) with Adaptive Optics (AO) represent a powerful tool to investigate massive star...

    Elena Puga, Markus Feldt, ... Bringfried Stecklum in Science with Adaptive Optics

    Conference paper
    

19. Sunspot Observations at the Eimmart Observatory: Revision and Supplement

    Digital images of sunspot drawings of the archives of Georg Christoph Eimmart stored at the National Library of Russia, St. Petersburg, are analyzed...

    Mikhail Vokhmyanin, Nadezhda Zolotova in Solar Physics

    Article Open access 03 October 2023
    

20. VLT Observations of the Young Stellar Object TMR-1

    We present results from an observational multi-wavelength study of the circumstellar environment of the young binary TMR-1, and the still disputed...

    M. G. Petr-Gotzens, J-G. Cuby, ... A. Walsh in The Origin of Stars and Planets: The VLT View

    Conference paper