2024
A Candidate Supermassive Black Hole in a Gravitationally Lensed Galaxy at Z ≈ 10
Kovács O, Bogdán Á, Natarajan P, Werner N, Azadi M, Volonteri M, Tremblay G, Chadayammuri U, Forman W, Jones C, Kraft R. A Candidate Supermassive Black Hole in a Gravitationally Lensed Galaxy at Z ≈ 10. The Astrophysical Journal Letters 2024, 965: l21. DOI: 10.3847/2041-8213/ad391f.Peer-Reviewed Original ResearchSupermassive black holesActive galactic nucleiBlack holeLuminosity functionAGN luminosity functionX-ray active galactic nucleusCollapse of massive starsSupermassive black holes formDeep Chandra observationsEarly cosmic epochsEddington-limited accretionGravitationally lensed galaxiesHigh-redshift galaxiesHigh-redshift quasarsBH candidatesChandra observationsSMBH populationBolometric luminosityGalactic nucleiMassive starsRedshift zCosmic epochsFormation epochLensing galaxyFormation scenario
2023
First Detection of an Overmassive Black Hole Galaxy UHZ1: Evidence for Heavy Black Hole Seed Formation from Direct Collapse
Natarajan P, Pacucci F, Ricarte A, Bogdán Á, Goulding A, Cappelluti N. First Detection of an Overmassive Black Hole Galaxy UHZ1: Evidence for Heavy Black Hole Seed Formation from Direct Collapse. The Astrophysical Journal Letters 2023, 960: l1. DOI: 10.3847/2041-8213/ad0e76.Peer-Reviewed Original ResearchSpectral energy distributionDirect collapseChandra X-ray sourcesTemplate spectral energy distributionsCompton-thick quasarsStellar mass estimatesSupermassive black holesX-ray fluxBlack hole seedsHigh-redshift objectsBlack hole massX-ray sourcesX-ray detectionExcellent agreementMultiwavelength propertiesBH seedsEddington rateBH massEarly universeBolometric luminosityHole massL bolPrior theoretical predictionsBig BangBlack holes
2017
Conditions for Optimal Growth of Black Hole Seeds
Pacucci F, Natarajan P, Volonteri M, Cappelluti N, Urry C. Conditions for Optimal Growth of Black Hole Seeds. The Astrophysical Journal Letters 2017, 850: l42. DOI: 10.3847/2041-8213/aa9aea.Peer-Reviewed Original ResearchBlack holesBlack hole seedsSupermassive black holesBlack hole massCentral gas densityGravitational wave detectionParameter spaceLow-mass black holesHole massHost galaxiesInitial mass functionMass functionBolometric luminosityEddington accretionIsothermal profileWave detectionAccretion scenarioGas densityEnhanced probabilityInitial massQuasarsAccretion rate
2013
The Multiwavelength AGN Population and the X-ray Background
Treister E, Urry C, Schawinski K, Simmons B, Natarajan P, Volonteri M. The Multiwavelength AGN Population and the X-ray Background. Proceedings Of The International Astronomical Union 2013, 9: 188-194. DOI: 10.1017/s1743921314003731.Peer-Reviewed Original ResearchBlack hole growthSupermassive black holesTotal black hole growthCosmic X-ray backgroundX-ray backgroundHole growthBlack holesDeep X-ray observationsMajor galaxy mergersTypes of galaxiesX-ray observationsPopulation synthesis modelsX-ray emissionMass densityMajor galaxiesAGN activityGalaxy candidatesGalaxy mergersGalaxy formationSMBH growthAGN populationCosmic historyBolometric luminosityLow luminosityAccretion episodes
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply