Results 21 to 30 of about 637,149 (308)
India's tryst with modern astronomy [PDF]
Sumedh Anathpindika surveys astronomy in India and finds a lively and developing community as well as great public interest.
arxiv +1 more source
Women’s and men’s career choices in astronomy and astrophysics
[This paper is part of the Focused Collection on Gender in Physics.] The Longitudinal Study of Astronomy Graduate Students (LSAGS) arose from the 2003 Women in Astronomy Conference, where it was noted that a majority of young members of the American ...
Rachel Ivie, Susan White, Raymond Y. Chu
doaj +1 more source
Measurement of the low energy 25Mg(p,γ)26Al resonances [PDF]
The cosmic 1.809 MeV γ-ray emitted by the radioactive nucleus 26Al in the Galaxy is one of the key observation targets of the γ-ray astronomy. The 26Al is mainly produced by the 25Mg(p,γ)26Al reaction in the stellar Mg-Al reaction cycle.
Su Jun+17 more
doaj +1 more source
Optical and near-infrared observations of the GRB 970616 error box [PDF]
We report on near-infrared and optical observations of the GRB 970616 error box and of the X-ray sources discovered by ASCA and ROSAT in the region. No optical transient was found either within the IPN band or in the X-ray error boxes, similarly to other
Castro-Tirado, A. J.+9 more
core +2 more sources
Planck pre-launch status: Low Frequency Instrument calibration and expected scientific performance [PDF]
We give the calibration and scientific performance parameters of the Planck Low Frequency Instrument (LFI) measured during the ground cryogenic test campaign.
A. Gregorio+105 more
core +4 more sources
The Blazar Sequence and Its Physical Understanding
Introduced in 1998 to attempt a first unified view of the broad-band emission properties of blazars, the blazar sequence has been extensively used in the past 25 years to guide observations as well as the physical interpretation of the overall emission ...
Elisa Prandini, Gabriele Ghisellini
doaj +1 more source
Careers in astronomy in Germany and the UK [PDF]
We discuss the outcomes of surveys addressing the career situation of astronomers in Germany and the UK, finding social and cultural differences between communities as well as gender bias in both.
arxiv +1 more source
TeV Particle Astrophysics II: Summary comments [PDF]
A unifying theme of this conference was the use of different approaches to understand astrophysical sources of energetic particles in the TeV range and above.
+42 more
core +2 more sources
Cherenkov Telescope Ring - An Idea for World Wide Monitoring of the VHE Sky [PDF]
With very high energy (VHE) gamma-ray astronomy becoming a mature branch of observational astrophysics, and the multi-messenger sky being opened up by neutrino observatories and gravitational wave detectors, we here propose to set up a ring of imaging ...
Ruhe Tim+4 more
doaj +1 more source
The Role of Radioactivities in Astrophysics [PDF]
I present both a history of radioactivity in astrophysics and an introduction to the major applications of radioactive abundances to astronomy.
arxiv +1 more source