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astronomy & astrophysics (109) 109
high-dispersion-spectrograph (81) 81
stars: abundances (74) 74
neutron-capture elements (57) 57
astrophysics (46) 46
nuclear reactions, nucleosynthesis, abundances (45) 45
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astrophysics, cosmology and astronomy (18) 18
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physics - earth and planetary astrophysics (16) 16
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astronomy (15) 15
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high dispersion spectrograph (15) 15
physics - cosmology and nongalactic astrophysics (15) 15
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physics - instrumentation and methods for astrophysics (15) 15
wavelengths (14) 14
galaxy: abundances (13) 13
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r-process elements (13) 13
effective temperature scale (12) 12
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galactic chemical evolution (11) 11
laboratory transition-probabilities (11) 11
cool dwarf stars (10) 10
digital sky survey (10) 10
emission spectra (10) 10
hamburg/eso survey (10) 10
keck pilot program (10) 10
spectra (10) 10
spectroscopy (10) 10
capture (9) 9
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core-collapse supernovae (9) 9
evolution (9) 9
halo stars (9) 9
natural sciences (9) 9
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analysis (7) 7
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elements (7) 7
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mathematical models (7) 7
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Optical Engineering, ISSN 0091-3286, 12/2018, Volume 57, Issue 12, p. 1
We present an approach to design and optimize a high angular dispersion spectrograph optical scheme. Such an instrument can be built using two volume-phase... 
diffraction efficiency | spectral resolution | volume-phase holographic gratings | high-dispersion spectrograph | SPECTROMETER | VOLUME PHASE GRATINGS | OPTICS
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 09/2019, Volume 882, Issue 1, p. 40
Multimessenger observations of the neutron star merger GW170817 and its kilonova proved that neutron star mergers can synthesize large quantities of r-process... 
BRANCH STARS | PROCESS NUCLEOSYNTHESIS | SURVEY HERES | SPECTROSCOPIC ANALYSIS | ASTRONOMY & ASTROPHYSICS | CHEMICAL EVOLUTION | 1ST STARS | LIGHT CURVES | GALACTIC EVOLUTION | HIGH-DISPERSION-SPECTROGRAPH | CAPTURE ELEMENTS
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 01/2013, Volume 762, Issue 1
We discuss the carbon-normal and carbon-rich populations of Galactic halo stars having [Fe/H] less than or similar to -3.0, utilizing chemical abundances from... 
HAMBURG/ESO SURVEY | nuclear reactions, nucleosynthesis, abundances | LOW-MASS STARS | SPECTROSCOPIC ANALYSIS | S-PROCESS | 1ST STARS | CHEMICAL ENRICHMENT | HIGH-DISPERSION SPECTROGRAPH | Galaxy: formation | stars: abundances | Galaxy: halo | early universe | NEUTRON-CAPTURE ELEMENTS | LESS-THAN -5.0 | ASTRONOMY & ASTROPHYSICS | CARBON-RICH
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2011, Volume 531, p. A165
Journal Article
Annual Review of Astronomy and Astrophysics, ISSN 0066-4146, 2005, Volume 43, Issue 1, pp. 531 - 580
Journal Article
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 11/2019, Volume 489, Issue 4, pp. 5244 - 5255
Most neutron capture elements have a double production by r- and s-processes, but the question of production sites is complex and still open. Recent studies... 
SPECTROSCOPIC ANALYSIS | TURNOFF STARS | Galaxy: evolution | METAL-POOR STARS | R-PROCESS | ELEMENTS | nucleosynthesis | abundances | Galaxy: abundances | ASTRONOMY & ASTROPHYSICS | stars: massive | nuclear reactions | HIGH-DISPERSION-SPECTROGRAPH | CARBON-RICH | stars: rotation | HALO | GALACTIC CHEMICAL EVOLUTION
Journal Article