The GALAH survey and Gaia DR2: dissecting the stellar disc's phase space by age, action, chemistry, and location

J Bland-Hawthorn, S Sharma… - Monthly Notices of …, 2019 - academic.oup.com
We use the second data releases of the European Space Agency Gaia astrometric survey
and the high-resolution Galactic Archaeology with HERMES (GALAH) spectroscopic survey …

The sixth data release of the radial velocity experiment (rave). i. survey description, spectra, and radial velocities

M Steinmetz, G Matijevič, H Enke, T Zwitter… - The Astronomical …, 2020 - iopscience.iop.org
Abstract The Radial Velocity Experiment (RAVE) is a magnitude-limited (9< I< 12)
spectroscopic survey of Galactic stars randomly selected in Earth's southern hemisphere …

A Multi-band Catalog of 10978 Star Clusters, Associations, and Candidates in the Milky Way

E Bica, DB Pavani, CJ Bonatto… - The Astronomical …, 2018 - iopscience.iop.org
We present a catalog of Galactic star clusters, associations and candidates with 10978
entries. This multi-band catalog was constructed over 20 years, starting with visual …

The GALAH survey: chemical clocks

MR Hayden, S Sharma… - Monthly Notices of …, 2022 - academic.oup.com
We present the first large-scale study that demonstrates how ages can be determined for
large samples of stars through Galactic chemical evolution. Previous studies found that the …

The GALAH survey: accurate radial velocities and library of observed stellar template spectra

T Zwitter, J Kos, A Chiavassa, S Buder… - Monthly Notices of …, 2018 - academic.oup.com
ABSTRACT GALAH is a large-scale magnitude-limited southern stellar spectroscopic
survey. Its second data release (GALAH DR2) provides values of stellar parameters and …

Dispersion Characteristics of the Multi-mode Fiber-fed VIPA Spectrograph

X Zhu, D Lin, Z Zhang, X **e, J He - The Astronomical Journal, 2023 - iopscience.iop.org
Abstract A high-resolution (${\mathcal R}\gt {10}^{5} $), multi-mode fiber-fed spectrograph on
large telescopes with a reasonable size is desirable in astronomy. In this work, the …

The GALAH Survey: Data Release 4

S Buder, J Kos, EX Wang, M McKenzie… - arxiv preprint arxiv …, 2024 - arxiv.org
The stars of the Milky Way carry the chemical history of our Galaxy in their atmospheres as
they journey through its vast expanse. Like barcodes, we can extract the chemical …

The GALAH+ survey: a new library of observed stellar spectra improves radial velocities and hints at motions within M67

T Zwitter, J Kos, S Buder, K Čotar… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT GALAH+ is a magnitude-limited survey of high-resolution stellar spectra
obtained by the HERMES spectrograph at the Australian Astronomical Observatory. Its third …

Photonic comb: a stabilized single-mode fiber etalon for wavelength calibration

CH Betters, SG Leon-Saval, J Bland-Hawthorn - Applied Optics, 2024 - opg.optica.org
We present a low-cost alternative to more complex laser metrology systems that uses a
single-mode fiber Fabry–Perot etalon to generate an emission spectrum of evenly spaced …

A full implementation of spectro-perfectionism for precise radial velocity exoplanet detection: a test case with the MINERVA reduction pipeline

MA Cornachione, AS Bolton, JD Eastman… - Publications of the …, 2019 - iopscience.iop.org
We present a computationally tractable implementation of spectro-perfectionism, a method
which minimizes error imparted by spectral extraction. We develop our method in …