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11 papers · 2 filters
A Quasar Discovered at redshift 6.6 from Pan-STARRS1
Ji-Jia Tang, Tomotsugu Goto, Youichi Ohyama +11
Luminous high-redshift quasars can be used to probe of the intergalactic medium (IGM) in the early universe because their UV light is absorbed by the neutral hydrogen along the lin…
Hiding in Plain Sight - Recovering Clusters of Galaxies with the Strongest AGN in Their Cores
T. S. Green, A. C. Edge, H. Ebeling +8
A key challenge in understanding the feedback mechanism of AGN in Brightest Cluster Galaxies (BCGs) is the inherent rarity of catching an AGN during its strong outburst phase. This…
Machine-Learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: the PS1 Sample
Branimir Sesar, Nina Hernitschek, Sandra Mitrović +16
RR Lyrae stars may be the best practical tracers of Galactic halo (sub-)structure and kinematics. The PanSTARRS1 (PS1) survey offers multi-band, multi-epoch, precise photometr…
Dust in three dimensions in the Galactic Plane
R. J. Hanson, C. A. L. Bailer-Jones, W. S. Burgett +6
We present three dimensional maps in monochromatic extinction and the extinction parameter within a few degrees of the Galactic plane. These are inferred using ph…
A Synoptic Map of Halo Substructures from the Pan-STARRS1 3π Survey
Edouard J. Bernard, Annette M. N. Ferguson, Edward F. Schlafly +18
We present a panoramic map of the entire Milky Way halo north of dec~-30 degrees (~30,000 deg^2), constructed by applying the matched-filter technique to the Pan-STARRS1 3Pi Survey…
The Pan-STARRS1 distant z>5.6 quasar survey: more than 100 quasars within the first Gyr of the universe
E. Bañados, B. P. Venemans, R. Decarli +33
Luminous quasars at z>5.6 can be studied in detail with the current generation of telescopes and provide us with unique information on the first gigayear of the universe. Thus far…
A Multi-Wavelength Photometric Census of AGN and Star Formation Activity in the Brightest Cluster Galaxies of X-ray Selected Clusters
T. S. Green, A. C. Edge, J. P. Stott +8
Despite their reputation as being "red and dead", the unique environment inhabited by Brightest Cluster Galaxies (BCGs) can often lead to a self-regulated feedback cycle between ra…
The host galaxy properties of variability selected AGN in the Pan-STARRS1 Medium-Deep Survey
S. Heinis, S. Gezari, S. Kumar +6
We study the properties of 975 active galactic nuclei (AGN) selected by variability in the Pan-STARRS1 Medium-Deep Survey. Using complementary multi wavelength data from the ultrav…
Mapping the Monoceros Ring in 3D with Pan-STARRS1
Eric Morganson, Blair Conn, Hans-Walter Rix +16
Using the Pan-STARRS1 survey, we derive limiting magnitude, spatial completeness and density maps that we use to probe the three dimensional structure and estimate the stellar mass…
The Optical-Infrared Extinction Curve and its Variation in the Milky Way
E. F. Schlafly, A. M. Meisner, A. M. Stutz +19
The dust extinction curve is a critical component of many observational programs and an important diagnostic of the physics of the interstellar medium. Here we present new measurem…
The Time-Domain Spectroscopic Survey: Understanding the Optically Variable Sky with SEQUELS in SDSS-III
John J. Ruan, Scott F. Anderson, Paul J. Green +27
The Time-Domain Spectroscopic Survey (TDSS) is an SDSS-IV eBOSS subproject primarily aimed at obtaining identification spectra of ~220,000 optically-variable objects systematically…