761 citations · 998 across the 26 of their papers we have counts for
27 papers
Dynamical mass of the Serpens intermediate-mass young stellar system EC\,95 with DYNAMO--VLBA
Jazmín Ordóñez-Toro, Sergio A. Dzib, Laurent Loinard +8
We present dynamical mass measurements, obtained from multi-epoch Very Long Baseline Interferometry (VLBI) observations, for the young multiple stellar system EC\,95, located in th…
VLBA Detections in the Oph-S1 Binary System near Periastron Confirmation of its Orbital Elements and Mass
Jazmín Ordóñez-Toro, Sergio A. Dzib, Laurent Loinard +7
Oph-S1 is the most luminous and massive stellar member of the nearby Ophiuchus star-forming region. Previous Very Long Baseline Array (VLBA) observations have shown it to be an int…
Potential for life to exist and be detected on Earth-like planets orbiting white dwarfs
Caldon T. Whyte, L. H. Quiroga-Nuñez, Manasvi Lingam +1
With recent observations confirming exoplanets orbiting white dwarfs, there is growing interest in exploring and quantifying the habitability of temperate rocky planets around whit…
Distance estimate method for Asymptotic Giant Branch stars using Infrared Spectral Energy Distributions
Rajorshi Bhattacharya, Brandon M. Medina, Ylva M. Pihlström +8
We present a method to estimate distances to Asymptotic Giant Branch (AGB) stars in the Galaxy, using spectral energy distributions (SEDs) in the near- and mid-infrared. By assumin…
Dynamical mass of the Ophiuchus intermediate-mass stellar system S1 with DYNAMO-VLBA
Jazmín Ordóñez-Toro, Sergio A. Dzib, Laurent Loinard +8
We report dynamical mass measurements of the individual stars in the most luminous and massive stellar member of the nearby Ophiuchus star-forming region, the young tight binary sy…
Dark matter distribution in Milky Way-analog galaxies
Natanael G. de Isídio, K. Menéndez-Delmestre, T. S. Gonçalves +9
Our current understanding of how dark matter (DM) is distributed within the Milky Way halo, particularly in the solar neighborhood, is based on either careful studies of the local…
Ground Vibrational State SiO Emission in the VLA BAaDE Survey
V. Dike, M. R. Morris, R. M. Rich +5
Using a subsample of the Bulge Asymmetries and Dynamical Evolution (BAaDE) survey of stellar SiO masers, we explore the prevalence and characteristics of SiO em…
Characterizing the Evolved Stellar Population in the Galactic Foreground I: Bolometric Magnitudes, Spatial Distribution and P-L Relations
Luis Henry Quiroga-Nuñez, Huib Jan van Langevelde, Loránt O. Sjouwerman +6
Radio campaigns using maser stellar beacons have provided crucial information to characterize Galactic stellar populations. Currently, the Bulge Asymmetries and Dynamical Evolution…
Infrared color separation between thin-shelled oxygen-rich and carbon-rich AGB stars
Megan O. Lewis, Ylva M. Pihlström, Loránt O. Sjouwerman +1
We present 43 GHz VLA spectra for 51 AGB sources with the goal of verifying an infrared (IR) color cut intended to separate Carbon-rich (C) and Oxygen-rich (O) AGB sources througho…
VLBI20-30: a scientific roadmap for the next decade -- The future of the European VLBI Network
Tiziana Venturi, Zsolt Paragi, Michael Lindqvist +77
This white paper describes the science case for Very Long Baseline Interferometry (VLBI) and provides suggestions towards upgrade paths for the European VLBI Network (EVN). The EVN…
A low-mass stellar companion to the young variable star RZ Psc
Grant M. Kennedy, Christian Ginski, Matthew A. Kenworthy +10
RZ Psc is a young Sun-like star with a bright and warm infrared excess that is occasionally dimmed significantly by circumstellar dust structures. Optical depth arguments suggest t…
Differences in radio emission from similar M dwarfs in the binary system Ross 867-8
L. H. Quiroga-Nuñez, H. T. Intema, J. R. Callingham +5
Serendipitously, we have rediscovered radio emission from the binary system Ross 867 (M4.5V) and Ross 868 (M3.5V) while inspecting archival Giant Metrewave Radio Telescope (GMRT) o…
Anomalous peculiar motions of high-mass young stars in the Scutum spiral arm
K. Immer, J. Li, L. H. Quiroga-Nuñez +4
We present trigonometric parallax and proper motion measurements toward 22 GHz water and 6.7 GHz methanol masers in 16 high-mass star-forming regions. These sources are all located…
Trigonometric Parallaxes Of High-Mass Star Forming Regions: Our View Of The Milky Way
M. J. Reid, K. M. Menten, A. Brunthaler +15
We compile and analyze ~200 trigonometric parallaxes and proper motions of molecular masers associated with very young high-mass stars. These measurements strongly suggest that the…
Resolving the distance controversy for Sharpless 269: A possible kink in the outer arm
L. H. Quiroga-Nuñez, K. Immer, H. J. van Langevelde +2
Sharpless 269 (S269) is one of a few HII regions in the outer spiral arm of the Milky Way with strong water maser emission. Based on data from the Very Long Baseline Interferometry…
The Synergy between VLBI and Gaia astrometry
Huib van Langevelde, Luis Henry Quiroga-Nuñez, Wouter Vlemmings +10
With the publication of Gaia DR2, 1.3 billion stars now have public parallax and proper motion measurements. In this contribution, we compare the results for sources that have both…
Positional Offsets Between SiO Masers in Evolved Stars and their Cross-Matched Counterparts
Ylva M. Pihlström, Loránt O. Sjouwerman, Mark J Claussen +4
Observations of dust-enshrouded evolved stars selected from infrared catalogs requiring high positional accuracy, like infrared spectroscopy or long baseline radio interferometric…
Meter- to Millimeter Emission from Cool Stellar Systems: Latest Results, Synergies Across the Spectrum, and Outlook for the Next Decade
Jan Forbrich, Peter K. G. Williams, Emily Drabek-Maunder +12
Radio observations of cool stellar systems provide unique information on their magnetic fields, high-energy processes, and chemistry. Buoyed by powerful new instruments (e.g. ALMA,…
Planet Formation Imager: Project Update
John D. Monnier, Michael J. Ireland, Stefan Kraus +2
The Planet Formation Imager (PFI) is a near- and mid-infrared interferometer project with the driving science goal of imaging directly the key stages of planet formation, including…
Maser, infrared and optical emission for late-type stars in the Galactic plane
L. H. Quiroga-Nuñez, H. J. van Langevelde, L. O. Sjouwerman +4
Radio astrometric campaigns using VLBI have provided distances and proper motions for masers associated with young massive stars (BeSSeL survey). The ongoing BAaDE project plans to…
Millimeter Spectral Indices and Dust Trapping By Planets in Brown Dwarf Disks
P. Pinilla, L. H. Quiroga-Nuñez, M. Benisty +7
Disks around brown dwarfs (BDs) are excellent laboratories to study the first steps of planet formation in cold and low-mass disk conditions. The radial-drift velocities of dust pa…
Astrometric Galactic maser measurements cross-matched with Gaia
L. H. Quiroga-Nuñez, H. J. van Langevelde, M. J. Reid +4
Using the VLBA, the BeSSeL survey has provided distances and proper motions of young massive stars, allowing an accurate measure of the Galactic spiral structure. By the same techn…
Finding evolved stars in the inner Galactic disk with Gaia
L. H. Quiroga-Nuñez, H. J. van Langevelde, Y. M. Pihlström +2
The Bulge Asymmetries and Dynamical Evolution (BAaDE) survey will provide positions and line-of-sight velocities of ~20,000 evolved, maser bearing stars in the Galactic plane. Alth…
Simulated Galactic methanol maser distribution to constrain Milky Way parameters
L. H. Quiroga-Nuñez, H. J. van Langevelde, M. J. Reid +1
Using trigonometric parallaxes and proper motions of masers associated with massive young stars, the Bar and Spiral Structure Legacy (BeSSeL) survey has reported the most accurate…