AllBRICQS: The Discovery of Luminous Quasars in the Northern Hemisphere

Abstract

We present the second catalog of bright quasars from the All-sky BRIght, Complete Quasar Survey (AllBRICQS), focusing on spectroscopically observed quasars in the Northern Hemisphere with Galactic latitude $|b|>10^{\circ }$. This catalog includes their spectral data, redshifts, and luminosities. AllBRICQS aims to identify the last remaining optically bright quasars using data from the Wide-field Infrared Survey Explorer (WISE) and Gaia all-sky survey Data Release 3 (DR3). AllBRICQS searches for quasars that are brighter than $B_P=16.5$ or $R_P=16$ mag in Gaia DR3, based on simple selection criteria. Here, we report 62 new AllBRICQS quasars spanning various types, which include typical broad emission line quasars and the most luminous iron low-ionization broad absorption line quasars discovered to date. Spectroscopic observations were conducted using the Long-Slit Spectrograph on the 1.8-meter telescope at Bohyunsan Optical Astronomy Observatory, YFOSC on the 2.4-meter telescope at Lijiang Observatory, and BFOSC on the 2.16-meter telescope at Xinglong Observatory. We applied flux calibration using ZTF broadband photometry to correct for attenuation due to intermittent thin clouds during the observations. Redshifts were determined using inverse-variance weighted cross-correlation methods. Our targets span the bolometric luminosity range of $44.9<\log \left(L_{\mathrm{bol}}/\mathrm{erg}{\mathrm{s}}^{-1}\right)<48.0$ at redshifts between 0.09 and 2.48. These confirmed AllBRICQS quasars provide a valuable resource for future research into quasar evolution, black holes, their environments, and their host galaxies across multiple wavelengths.

arXiv comment29 pages, 10 figures, 6 tables. Published in ApJS. This version corresponds to the accepted manuscript and includes all panels of Figure 7, which are presented as a figure set in the published version. The final published version is available via DOI: 10.3847/1538-4365/adf8ed. Spectra and catalog data are publicly available

References in corpus (58)

• Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
• The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance
• The Gaia mission
• Correcting for the Effects of Interstellar Extinction
• The Zwicky Transient Facility: System Overview, Performance, and First Results
• Gaia Data Release 2: The astrometric solution
• Cosmic-Ray Rejection by Laplacian Edge Detection
• The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
• The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III
• The Zwicky Transient Facility: Data Processing, Products, and Archive
• The Low-Luminosity End of the Radius-Luminosity Relationship for Active Galactic Nuclei
• Gaia Early Data Release 3: Photometric content and validation
• Initial Performance of the NEOWISE Reactivation Mission
• Gaia Data Release 2: Photometric content and validation
• The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data Release
• A Catalog of Broad Absorption Line Quasars from the Sloan Digital Sky Survey Third Data Release
• The Wide Field Spectrograph (WiFeS)
• The CatWISE2020 Catalog
• Updating quasar bolometric luminosity corrections
• The Sloan Digital Sky Survey Quasar Catalog III. Third Data Release
• The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V
• Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale
• The Wide Field Spectrograph (WiFeS): Performance and Data Reduction
• Techniques and Review of Absolute Flux Calibration from the Ultraviolet to the Mid-Infrared
• Target Selection and Validation of DESI Quasars
• The Sloan Digital Sky Survey Reverberation Mapping Project: Sample Characterization
• Identification of 1.4 Million AGNs in the Mid-Infrared using WISE Data
• The Xinglong 2.16-m Telescope: Current Instruments and Scientific Projects
• Photometric redshifts and quasar probabilities from a single, data-driven generative model
• The CatWISE Preliminary Catalog: Motions from $WISE$ and $NEOWISE$ Data
• MARZ: Manual and Automatic Redshifting Software
• The Million Quasars (Milliquas) Catalogue, v8
• Lijiang 2.4-meter Telescope and its Instruments
• New Grids of Pure-Hydrogen White-Dwarf NLTE Model Atmospheres \newline and the HST/STIS Flux Calibration
• The FIRST Bright Quasar Survey III. The South Galactic Cap
• Gaia Data Release 3: The extragalactic content
• All-purpose, all-sky photometric redshifts for the Legacy Imaging Surveys Data Release 8
• Cold Accretion Disks and Lineless Quasars
• The spatially resolved broad line region of IRAS 09149-6206
• The central parsec of NGC 3783: a rotating broad emission line region, asymmetric hot dust structure, and compact coronal line region
• Quaia, the Gaia-unWISE Quasar Catalog: An All-Sky Spectroscopic Quasar Sample
• Bayesian High-Redshift Quasar Classification from Optical and Mid-IR Photometry
• The QUEST-La Silla AGN variability survey: connection between AGN variability and black hole physical properties
• DESI z >~ 5 Quasar Survey. I. A First Sample of 400 New Quasars at z ~ 4.7-6.6
• The ensemble photometric variability of over $10^5$ quasars in the Dark Energy Camera Legacy Survey and the Sloan Digital Sky Survey
• The Physical Properties of Low Redshift FeLoBAL Quasars. I. Spectral Synthesis Analysis of the BAL Outflows using $SimBAL$
• Seoul National University Bright Quasar Survey in Optical (SNUQSO). II. Discovery of 40 Bright Quasars Near the Galactic Plane
• The host galaxies of FeLoBAL quasars at z$\sim$0.9 are not dominated by recent major mergers
• CatNorth: An Improved Gaia DR3 Quasar Candidate Catalog with Pan-STARRS1 and CatWISE
• Finding Quasars behind the Galactic Plane. II. Spectroscopic Identifications of 204 Quasars at $|b|<20°$
• The accretion of a solar mass per day by a 17-billion solar mass black hole
• Seoul National University Bright Quasar Survey in Optical (SNUQSO) I: First Phase Observations and Results
• Estimators of Bolometric Luminosity and Black Hole Mass with Mid-infrared Continuum Luminosities for Dust-obscured Quasars: Prevalence of Dust-obscured SDSS Quasars
• AllBRICQS: the All-sky BRIght, Complete Quasar Survey
• Investigating the Efficiency of the Beijing Faint Object Spectrograph and Camera (BFOSC) of the Xinglong 2.16-m Reflector
• Eddington Ratios of Dust-obscured Quasars at $z\lesssim 1$: Evidence Supporting Dust-obscured Quasars as Young Quasars
• Environments of Strong / Ultrastrong, Ultraviolet Fe II Emitting Quasars
• Evidence of Increased UV FeII Emission in Quasars in Candidate Overdense Regions