U. Hopp
YOU?
Author Swipe
View article: A high geometric albedo and small size for the Haumea cluster member (24835) 1995 SM <sub>55</sub> determined from a stellar occultation and photometric observations
A high geometric albedo and small size for the Haumea cluster member (24835) 1995 SM <sub>55</sub> determined from a stellar occultation and photometric observations Open
Context . Trans-Neptunian objects (TNOs) are thought to be some of the most ancient and primitive bodies in our Solar System. Understanding their basic physical properties is crucial to unraveling their origin and the evolution of the oute…
View article: Time-delay cosmography: analysis of quadruply lensed QSO SDSSJ1433 from Wendelstein Observatory
Time-delay cosmography: analysis of quadruply lensed QSO SDSSJ1433 from Wendelstein Observatory Open
The goal of this work is to estimate the Hubble constant $H_0$ through the time-delay cosmographic study of the quadruply lensed, variable quasi-stellar objects (QSO) SDSSJ1433+6007. We combine multifilter, archival Hubble Space Telescope …
View article: TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS, and SOPHIE
TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS, and SOPHIE Open
We report the discovery and characterization of two sub-Saturns from the Transiting Exoplanet Survey Satellite ( TESS ) using high- resolution spectroscopic observations from the MaHPS spectrograph at the Wendelstein Observatory and the SO…
View article: Confirmation of four hot Jupiters detected by TESS using follow-up spectroscopy from MaHPS at Wendelstein together with NEID and TRES
Confirmation of four hot Jupiters detected by TESS using follow-up spectroscopy from MaHPS at Wendelstein together with NEID and TRES Open
We report the confirmation and characterization of four hot Jupiter-type exoplanets initially detected by TESS: TOI-1295 b, TOI-2580 b, TOI-6016 b, and TOI-6130 b. Using observations with the high-resolution echelle spectrograph MaHPS on t…
View article: Time Delay Cosmography: Analysis of Quadruply Lensed QSO SDSSJ1433 from Wendelstein Observatory
Time Delay Cosmography: Analysis of Quadruply Lensed QSO SDSSJ1433 from Wendelstein Observatory Open
The goal of this work is to obtain a Hubble constant estimate through the study of the quadruply lensed, variable QSO SDSSJ1433+6007. To achieve this we combine multi-filter, archival $\textit{HST}$ data for lens modelling and a dedicated …
View article: Composite Bulges. III. A Study of Nuclear Star Clusters in Nearby Spiral Galaxies
Composite Bulges. III. A Study of Nuclear Star Clusters in Nearby Spiral Galaxies Open
We present photometric and morphological analyses of nuclear star clusters (NSCs)—very dense, massive star clusters present in the central regions of most galaxies—in a sample of 33 massive disk galaxies within 20 Mpc, part of the “Composi…
View article: HETDEX Public Source Catalog 1—Stacking 50,000 Lyman Alpha Emitters <sup>∗</sup>
HETDEX Public Source Catalog 1—Stacking 50,000 Lyman Alpha Emitters <sup>∗</sup> Open
We describe the ensemble properties of the 1.9 < z < 3.5 Lyman alpha emitters (LAEs) found in the HETDEX survey’s first public data release, HETDEX Public Source Catalog 1. Stacking the low-resolution ( R ∼ 800) spectra greatly increases t…
View article: Composite Bulges -- III. A Study of Nuclear Star Clusters in Nearby Spiral Galaxies
Composite Bulges -- III. A Study of Nuclear Star Clusters in Nearby Spiral Galaxies Open
We present photometric and morphological analyses of nuclear star clusters (NSCs) -- very dense, massive star clusters present in the central regions of most galaxies -- in a sample of 33 massive disk galaxies within 20 Mpc, part of the "C…
View article: HETDEX Public Source Catalog 1 -- Stacking 50K Lyman Alpha Emitters
HETDEX Public Source Catalog 1 -- Stacking 50K Lyman Alpha Emitters Open
We describe the ensemble properties of the $1.9 < z < 3.5$ Lyman Alpha Emitters (LAEs) found in the HETDEX survey's first public data release, HETDEX Public Source Catalog 1 (Mentuch Cooper et al. 2023). Stacking the low-resolution ($R \si…
View article: The HETDEX Survey Emission-line Exploration and Source Classification*
The HETDEX Survey Emission-line Exploration and Source Classification* Open
The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) is an untargeted spectroscopic survey that aims to measure the expansion rate of the universe at z ∼ 2.4 to 1% precision for both H ( z ) and D A ( z ). HETDEX is in the process of…
View article: HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey
HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey Open
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and ang…
View article: HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey
HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey Open
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and ang…
View article: HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey*
HETDEX Public Source Catalog 1: 220 K Sources Including Over 50 K Lyα Emitters from an Untargeted Wide-area Spectroscopic Survey* Open
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and ang…
View article: HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey
HETDEX Public Source Catalog 1: 220 K Sources including over 50K Lyman Alpha Emitters From an Untargeted Wide-area Spectroscopic Survey Open
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and ang…
View article: The HETDEX Survey: Emission Line Exploration and Source Classification
The HETDEX Survey: Emission Line Exploration and Source Classification Open
The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is an untargeted spectroscopic survey that aims to measure the expansion rate of the Universe at $z \sim 2.4$ to 1% precision for both $H(z)$ and $D_A(z)$. HETDEX is in the process…
View article: HETDEX Public Source Catalog 1: 220K Sources Including Over 50K Lyman Alpha Emitters from an Untargeted Wide-area Spectroscopic Survey
HETDEX Public Source Catalog 1: 220K Sources Including Over 50K Lyman Alpha Emitters from an Untargeted Wide-area Spectroscopic Survey Open
We present the first publicly released catalog of sources obtained from the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). HETDEX is an integral field spectroscopic survey designed to measure the Hubble expansion parameter and ang…
View article: The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient
The Curious Case of ASASSN-20hx: A Slowly Evolving, UV- and X-Ray-Luminous, Ambiguous Nuclear Transient Open
We present observations of ASASSN-20hx, a nearby ambiguous nuclear transient (ANT) discovered in NGC 6297 by the All-Sky Automated Survey for Supernovae (ASAS-SN). We observed ASASSN-20hx from −30 to 275 days relative to the peak UV/optica…
View article: The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections*
The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections* Open
We describe the survey design, calibration, commissioning, and emission-line detection algorithms for the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX). The goal of HETDEX is to measure the redshifts of over a million Ly α emittin…
View article: The HETDEX Instrumentation: Hobby–Eberly Telescope Wide-field Upgrade and VIRUS
The HETDEX Instrumentation: Hobby–Eberly Telescope Wide-field Upgrade and VIRUS Open
The Hobby–Eberly Telescope (HET) Dark Energy Experiment (HETDEX) is undertaking a blind wide-field low-resolution spectroscopic survey of 540 deg 2 of sky to identify and derive redshifts for a million Ly α -emitting galaxies in the redshi…
View article: First HETDEX Spectroscopic Determinations of Lyα and UV Luminosity Functions at z = 2–3: Bridging a Gap between Faint AGNs and Bright Galaxies
First HETDEX Spectroscopic Determinations of Lyα and UV Luminosity Functions at z = 2–3: Bridging a Gap between Faint AGNs and Bright Galaxies Open
We present Ly α and ultraviolet (UV)-continuum luminosity functions (LFs) of galaxies and active galactic nuclei (AGNs) at z = 2.0–3.5 determined by the untargeted optical spectroscopic survey of the Hobby–Eberly Telescope Dark Energy Expe…
View article: The HETDEX Instrumentation: Hobby-Eberly Telescope Wide Field Upgrade and VIRUS
The HETDEX Instrumentation: Hobby-Eberly Telescope Wide Field Upgrade and VIRUS Open
The Hobby-Eberly Telescope (HET) Dark Energy Experiment (HETDEX) is undertaking a blind wide-field low-resolution spectroscopic survey of 540 square degrees of sky to identify and derive redshifts for a million Lyman-alpha emitting galaxie…
View article: Detection of Lyman Continuum from 3.0 < z < 3.5 Galaxies in the HETDEX Survey
Detection of Lyman Continuum from 3.0 < z < 3.5 Galaxies in the HETDEX Survey Open
Questions as to what drove the bulk reionization of the universe, how that reionization proceeded, and how the hard ionizing radiation reached the intergalactic medium remain open and debated. Observations probing that epoch are severely h…
View article: Detection of Lyman Continuum from 3.0 < z < 3.5 Galaxies in the HETDEX Survey
Detection of Lyman Continuum from 3.0 < z < 3.5 Galaxies in the HETDEX Survey Open
Questions as to what drove the bulk reionization of the Universe, how that reionization proceeded, and how the hard ionizing radiation reached the intergalactic medium remain open and debated. Observations probing that epoch are severely h…
View article: HETDEX [O iii] Emitters. I. A Spectroscopically Selected Low-redshift Population of Low-mass, Low-metallicity Galaxies
HETDEX [O iii] Emitters. I. A Spectroscopically Selected Low-redshift Population of Low-mass, Low-metallicity Galaxies Open
We assemble a sample of 17 low-metallicity (7.45 < log(O/H)+12 < 8.12) galaxies with z ≲ 0.1 found spectroscopically, without photometric preselection, in early data from the Hobby–Eberly Telescope Dark Energy Experiment. Star-forming gala…
View article: First HETDEX Spectroscopic Determinations of Ly$\alpha$ and UV Luminosity Functions at $z=2-3$: Bridging a Gap Between Faint AGN and Bright Galaxies
First HETDEX Spectroscopic Determinations of Ly$\alpha$ and UV Luminosity Functions at $z=2-3$: Bridging a Gap Between Faint AGN and Bright Galaxies Open
We present Ly$\\alpha$ and ultraviolet-continuum (UV) luminosity functions\n(LFs) of galaxies and active galactic nuclei (AGN) at $z=2.0-3.5$ determined by\nthe un-targetted optical spectroscopic survey of the Hobby-Eberly Telescope\nDark …
View article: Composite bulges – II. Classical bulges and nuclear discs in barred galaxies: the contrasting cases of NGC 4608 and NGC 4643
Composite bulges – II. Classical bulges and nuclear discs in barred galaxies: the contrasting cases of NGC 4608 and NGC 4643 Open
We present detailed morphological, photometric, and stellar-kinematic analyses of the central regions of two massive, early-type barred galaxies with nearly identical large-scale morphologies. Both have large, strong bars with prominent in…
View article: Following the TraCS of exoplanets with Pan-Planets: Wendelstein-1b and Wendelstein-2b
Following the TraCS of exoplanets with Pan-Planets: Wendelstein-1b and Wendelstein-2b Open
\nHot Jupiters seem to get rarer with decreasing stellar mass. The goal of the Pan-Planets transit survey was the detection of such planets and a statistical characterization of their frequency. Here, we announce the discovery and validati…
View article: The Wendelstein Weak Lensing (WWL) pathfinder: accurate weak lensing masses for Planck clusters
The Wendelstein Weak Lensing (WWL) pathfinder: accurate weak lensing masses for Planck clusters Open
We present results from the Wendelstein Weak Lensing (WWL) pathfinder project, in which we have observed three intermediate-redshift Planck clusters of galaxies with the new 30 arcmin × 30 arcmin wide field imager at the 2 m Fraunhofer Tel…
View article: M31 PAndromeda Cepheid Sample Observed in Four HST Bands
M31 PAndromeda Cepheid Sample Observed in Four HST Bands Open
Using the M31 PAndromeda Cepheid sample and the HST PHAT data, we obtain the largest Cepheid sample in M31 with HST data in four bands. For our analysis we consider three samples: a very homogeneous sample of Cepheids based on the PAndrome…
View article: Cepheids in M31: The PAndromeda Cepheid Sample
Cepheids in M31: The PAndromeda Cepheid Sample Open
We present the largest Cepheid sample in M31 based on the complete Pan-STARRS1 survey of Andromeda (PAndromeda) in the r P1 , i P1 , and g P1 bands. We find 2686 Cepheids with 1662 fundamental-mode Cepheids, 307 first-overtone Cepheids, 27…