Temperatures in the Upper Mesosphere and Lower Thermosphere from O2 Atmospheric Band Emission Observed by ICON/MIGHTI

MH Stevens, CR Englert, JM Harlander, KD Marr… - Space Science …, 2022 - Springer
Abstract The Michelson Interferometer for Global High-resolution Thermospheric Imaging
(MIGHTI) was launched aboard NASA's Ionospheric Connection (ICON) Explorer satellite in …

The data reduction pipeline for the SDSS-IV MaNGA IFU galaxy survey

DR Law, B Cherinka, R Yan, BH Andrews… - The Astronomical …, 2016 - iopscience.iop.org
ABSTRACT Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) is an optical
fiber-bundle integral-field unit (IFU) spectroscopic survey that is one of three core programs …

ZAP–enhanced PCA sky subtraction for integral field spectroscopy

KT Soto, SJ Lilly, R Bacon, J Richard… - Monthly Notices of the …, 2016 - academic.oup.com
Abstract We introduce Zurich Atmosphere Purge (ZAP), an approach to sky subtraction
based on principal component analysis (PCA) that we have developed for the Multi Unit …

(Nearly) Model-independent Constraints on the Neutral Hydrogen Fraction in the Intergalactic Medium at z∼ 5–7 Using Dark Pixel Fractions in Lyα and Lyβ Forests

X Jin, J Yang, X Fan, F Wang, E Bañados… - The Astrophysical …, 2023 - iopscience.iop.org
Cosmic reionization was the last major phase transition of hydrogen from neutral to highly
ionized in the intergalactic medium (IGM). Current observations show that the IGM is …

A Robotic Wide‐Angle Hα Survey of the Southern Sky

JE Gaustad, PR McCullough, W Rosing… - Publications of the …, 2001 - iopscience.iop.org
We have completed a robotic wide‐angle imaging survey of the southern sky (δ=+ 15 to−
90) at 656.3 nm wavelength, the Hα emission line of hydrogen. Each image of the resulting …

Mass models for low surface brightness galaxies with high-resolution optical velocity fields

RK De Naray, SS McGaugh… - The Astrophysical …, 2008 - iopscience.iop.org
We present high-resolution optical velocity fields from DensePak integral field spectroscopy,
along with derived rotation curves, for a sample of low surface brightness galaxies. In the …

Night-sky spectral atlas of OH emission lines in the near-infrared

P Rousselot, C Lidman, JG Cuby… - … and Astrophysics, v …, 2000 - adsabs.harvard.edu
In this paper, we present medium resolution spectra of the night-sky OH emission. The
spectra cover the range 0.997-2.25 μm with a resolution of about 8000. Line wavelengths …

Spatially resolved stellar kinematics of the ultra-diffuse galaxy dragonfly 44. I. Observations, kinematics, and cold dark matter halo fits

P Van Dokkum, A Wasserman, S Danieli… - The Astrophysical …, 2019 - iopscience.iop.org
We present spatially resolved stellar kinematics of the well-studied ultra-diffuse galaxy
(UDG) Dragonfly 44, as determined from 25.3 hr of observations with the Keck Cosmic Web …

Extragalactic chemical abundances: do H II regions and young stars tell the same story? The case of the spiral galaxy NGC 300

F Bresolin, W Gieren, RP Kudritzki… - The Astrophysical …, 2009 - iopscience.iop.org
We have obtained new spectrophotometric data for 28 H ii regions in the spiral galaxy NGC
300, a member of the nearby Sculptor Group. The detection of several auroral lines …

A method to remove residual OH emission from near-infrared spectra

RI Davies - Monthly Notices of the Royal Astronomical Society, 2007 - academic.oup.com
I present a technique to remove the residual OH airglow emission from near-infrared
spectra. Historically, the need to subtract out the strong and variable OH airglow emission …