Many problems in contemporary astrophysics—from understanding the formation of black holes to untangling the chemical evolution of galaxies—rely on knowledge...
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PublicationClose Binary Companions to APOGEE DR16 Stars: 20,000 Binary-star Systems Across the Color-Magnitude Diagram
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PublicationCN and CH line strengths in 12 globulars (Pancino+, 2010)
In this first paper, we measured the strength of the CN and CH band indices, which correlate with the N and C abundances, and we investigated the anti...
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PublicationConfirming the Metal-Rich Nature of Stars with Giant Planets
With the goal of confirming the metallicity ``excess'' observed in stars with planetary mass companions, we have conducted a high-precision spectroscopic study...
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PublicationCounterrotating cores in elliptical galaxies
The dynamics of the merger between a high- and a low-elliptical galaxy was studied to understand how kinematically peculiar cores in elliptical galaxies might...
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PublicationDetection of Flare-induced Plasma Flows in the Corona of EV Lac with X-Ray Spectroscopy
Stellar flares are characterized by sudden enhancement of electromagnetic radiation from the atmospheres of stars. Compared to their solar counterparts, our...
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NewsDidier Queloz, Physics Nobel Prize Winner 2019, Is Developing an Advanced Terrestrial Planet Hunter for the Isaac Newton Telescope
The Isaac Newton Group of Telescopes (ING) and the Institute of Astrophysics of the Canary Islands (IAC) warmly congratulate James Peebles (Princeton University...
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PublicationDiscovery of a binary quasar at z = 1.76
We present the serendipitous discovery of a physical pair of quasars with estimated cosmological redshift z = 1.76. Long-slit spectroscopic observations of the...
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PublicationDouble-lined Spectroscopic Binaries in the APOGEE DR16 and DR17 Data
APOGEE spectra offer ≲1 km s -1 precision in the measurement of stellar radial velocities. This holds even when multiple stars are captured in the same spectrum...
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PublicationEMIR: the GTC NIR multi-object imager-spectrograph
We present the final global design and performances of EMIR, the NIR multiobject spectrograph of the GTC, as well as the plan for its early scientific...