about
Super-Eddington accreting massive black holes as long-lived cosmological standards.Black hole growth by accretionThe spectral energy distribution of PKS 2004-447: a compact steep-spectrum source and possible radio-loud narrow-line Seyfert 1 galaxyProperties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxiesRadio-to-γ-ray monitoring of the narrow-line Seyfert 1 galaxy PMN J0948 + 0022 from 2008 to 2011The first XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky SurveyA hard medium survey with ASCAThe most powerful flaring activity from the NLSy1 PMN J0948+0022SBS 0846+513: a new γ-ray-emitting narrow-line Seyfert 1 galaxyGamma-ray emitting narrow-line Seyfert 1 galaxies. New discoveries and open questionsRelativistic jets in narrow-line Seyfert 1 galaxies. New discoveries and open questionsA statistical relation between the X-ray spectral index and Eddington ratio of active galactic nuclei in deep surveysInterpretation of the X-ray spectral variation of 1H 0707−495 with a variable double partial covering modelAccurate classification of 75 counterparts of objects detected in the 54-month PalermoSwift/BAT hard X-ray catalogueAccurate classification of 29 objects detected in the 39 month PalermoSwift/BAT hard X-ray catalogueAccurate classification of 17 AGNs detected with Swift/BATUnveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 galactic and extragalactic hard X-ray sourcesUnveiling the nature of INTEGRAL objects through optical spectroscopyUnveiling the nature of INTEGRAL objects through optical spectroscopy1WGA J2223.7-0206: A Narrow-Line Quasi-Stellar Object in the XMM-Newton field of view of 3C 445Simultaneous NuSTAR and XMM–Newton 0.5–80舁keV spectroscopy of the narrow-line Seyfert 1 galaxy SWIFT J2127.4+5654Publicly available database for spectral line measurements of SDSS DR7 galaxiesActive galactic nuclei: what’s in a name?X-ray reflection by photoionized accretion discsBlack hole mass estimate for a sample of radio-loud narrow-line Seyfert 1 galaxiesB2 0954+25A: a typical Fermi blazar or a γ-ray loud Narrow Line Seyfert 1≟Unobscured QSO 2: a new class of objects?
P2860
Q51482135-1233AD5B-EDFB-4FE1-B2AE-6DC09D2AC3CCQ56158665-28D2D5CD-7F84-42F7-A53A-0BCCFA258A44Q57073423-DFD0C759-F59D-4E8C-BE4D-8E04DB203748Q57676236-689F6205-F673-4BA3-8F8B-EB3BD457DC1CQ57676265-C2148D37-48C4-4173-890B-3B97FC43D059Q57676358-E79717AC-7CD7-408B-AF5F-05E464F8F175Q57676380-1809217B-99E6-4B63-90F0-E934B103B593Q58073424-0D662D57-162C-4959-A6CA-5B0A3AADD9D5Q58073488-1050BDEF-0CB3-482D-B3C2-E7182BB017CEQ58358049-E1CC8C79-8985-42C9-8867-B59639132C8FQ58358097-1D908FEB-55CA-421C-99F9-68D9B50F5135Q58786276-03231C6B-6B32-4ADC-BFE5-8788B42F4F9AQ58907620-F0AF3597-DB2A-4287-BE35-C2A6E086FAB2Q58908700-CFC6D277-C615-4E21-8251-ED6EE1A98EBBQ58908721-122AF7DD-3148-4EA7-AC13-B58A5167C99EQ58908766-F4BC9E6C-717A-4DCD-A437-E25E72E8EB48Q58908774-4548B691-997B-492D-9348-D0209CC665A8Q58908781-985C26A5-4B1B-47B0-95E1-293BB17774B0Q58908834-D62A7923-8CD4-461B-B681-F3D5FAFDC8D8Q58908925-039B3F5A-F17A-44D3-90D6-F698ED6BD690Q58909489-700B80CF-2F94-492D-B8B1-BCDFA6E4DC95Q58913653-C92DD4A8-F07C-4644-93ED-01DA99B5C1CBQ58914000-EF3E41BF-4969-4C75-BA2E-74D75D50810AQ58981744-CF859065-BDB9-4973-9A0D-6E3B4CEF8324Q58982969-904F5084-38FA-4C4B-BD3E-70787C7D5F7CQ58983003-DFD90C05-44B5-48E0-A515-2A5E4950B77BQ58984315-E48C8E68-B1F3-47E7-9225-0E3E06CF5034
P2860
description
article publié dans la revue scientifique Astrophysical Journal
@fr
im Oktober 1985 veröffentlichter wissenschaftlicher Artikel
@de
scientific article published in the Astrophysical Journal
@en
wetenschappelijk artikel
@nl
наукова стаття, опублікована в жовтні 1985
@uk
name
The spectra of narrow-line Seyfert 1 galaxies
@en
The spectra of narrow-line Seyfert 1 galaxies
@nl
type
label
The spectra of narrow-line Seyfert 1 galaxies
@en
The spectra of narrow-line Seyfert 1 galaxies
@nl
prefLabel
The spectra of narrow-line Seyfert 1 galaxies
@en
The spectra of narrow-line Seyfert 1 galaxies
@nl
P356
P1476
The spectra of narrow-line Seyfert 1 galaxies
@en
P2093
D. E. Osterbrock
R. W. Pogge
P304
P356
10.1086/163513
P407
P577
1985-10-01T00:00:00Z
P5875
P819
1985ApJ...297..166O