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The transient event in NGC 1566 from 2017 to 2019. I. An eccentric accretion disk and a turbulent, disk-dominated broad-line region unveiled by double-peaked Ca II and O I lines

Astronomy and Astrophysics
2024-06 | Journal article
BIBCODE:

2024A&A...686A..17O

Contributors: Ochmann, M. W.; Kollatschny, W.; Probst, M. A.; Romero-Colmenero, E.; Buckley, D. A. H.; Chelouche, D.; Chini, R.; Grupe, D.; Haas, M.; Kaspi, S. et al.
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NASA Astrophysics Data System

Deep learning-based super-resolution and de-noising for XMM-newton images

Monthly Notices of the Royal Astronomical Society
2022-11-01 | Journal article
Contributors: Sam F Sweere; Ivan Valtchanov; Maggie Lieu; Antonia Vojtekova; Eva Verdugo; Maria Santos-Lleo; Florian Pacaud; Alexia Briassouli; Daniel Cámpora Pérez
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X-ray astronomy comes of age

Nature
2022-06-09 | Journal article
Contributors: Belinda J. Wilkes; Wallace Tucker; Norbert Schartel; Maria Santos-Lleo
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Crossref

The changing-look AGN NGC 1566 in quiescence with XMM-Newton: a nuclear starburst and an AGN competing in power?

Monthly Notices of the Royal Astronomical Society
2022-06-03 | Journal article
Contributors: L Tomás; G A Matzeu; E Jiménez Bailón; E Kalfountzou; M Santos-Lleó; M L Parker; L Ballo; N Loiseau; M Ehle; P Rodríguez-Pascual et al.
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Crossref

Detection of a Multiphase Ultrafast Wind in the Narrow-line Seyfert 1 Galaxy Mrk 1044

The Astrophysical Journal
2021-08-01 | Journal article
Contributors: Y. Krongold; A. L. Longinotti; M. Santos-Lleó; S. Mathur; B. M. Peterson; F. Nicastro; A. Gupta; P. Rodríguez-Pascual; M. Elías-Chávez
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Crossref

Detection of a possible multiphase ultra-fast outflow in IRAS 13349+2438 with NuSTAR and XMM-Newton

Monthly Notices of the Royal Astronomical Society
2020-08 | Journal article
Contributors: Parker, M. L.; Matzeu, G. A.; Alston, W. N.; Fabian, A. C.; Lobban, A.; Miniutti, G.; Pinto, C.; Santos-Lleó, M.; Schartel, N.
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NASA Astrophysics Data System

The first broad-band X-ray view of the narrow-line Seyfert 1 Ton S180

Monthly Notices of the Royal Astronomical Society
2020-07 | Journal article
Contributors: Matzeu, G. A.; Nardini, E.; Parker, M. L.; Reeves, J. N.; Braito, V.; Porquet, D.; Middei, R.; Kammoun, E.; Lusso, E.; Alston, W. N. et al.
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NASA Astrophysics Data System

Optical and X-ray discovery of the changing-look AGN IRAS 23226-3843 showing extremely broad and double-peaked Balmer profiles

Astronomy and Astrophysics
2020-06 | Journal article
BIBCODE:

2020A&A...638A..91K

Contributors: Kollatschny, W.; Grupe, D.; Parker, M. L.; Ochmann, M. W.; Schartel, N.; Herwig, E.; Komossa, S.; Romero-Colmenero, E.; Santos-Lleo, M.
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NASA Astrophysics Data System

Searching for ultra-fast outflows in AGN using variability spectra

Monthly Notices of the Royal Astronomical Society
2020-03 | Journal article
Contributors: Igo, Z.; Parker, M. L.; Matzeu, G. A.; Alston, W.; Alvarez Crespo, N.; Fürst, F.; Buisson, D. J. K.; Lobban, A.; Joyce, A. M.; Mallick, L. et al.
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NASA Astrophysics Data System

The nuclear environment of the NLS1 Mrk 335: Obscuration of the X-ray line emission by a variable outflow

Monthly Notices of the Royal Astronomical Society
2019-11 | Journal article
Contributors: Parker, M. L.; Longinotti, A. L.; Schartel, N.; Grupe, D.; Komossa, S.; Kriss, G.; Fabian, A. C.; Gallo, L.; Harrison, F. A.; Jiang, J. et al.
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NASA Astrophysics Data System

Swift, NuStar, and XMM-Newton observations of the NLS1 galaxy RX J2317.8-4422 in an extreme X-ray low flux state

Monthly Notices of the Royal Astronomical Society
2019-06 | Journal article
Contributors: Grupe, Dirk; Komossa, S.; Gallo, Luigi; Schartel, Norbert; Parker, Michael; Santos-Lleo, Maria; Fabian, Andrew C.; Harrison, Fiona; Miniutti, Giovanni
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NASA Astrophysics Data System

CIELO-RGS: a catalog of soft X-ray ionized emission lines

Astronomy and Astrophysics
2019-05 | Journal article
BIBCODE:

2019A&A...625A.122M

Contributors: Mao, Junjie; Kaastra, Jelle S.; Guainazzi, Matteo; González-Riestra, Rosario; Santos-Lleó, Maria; Kretschmar, Peter; Grinberg, Victoria; Kalfountzou, Eleni; Ibarra, Aitor; Matzeu, Gabi et al.
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NASA Astrophysics Data System
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Evidence for a clumpy disc-wind in the star-forming Seyfert 2 galaxy MCG-03-58-007

Monthly Notices of the Royal Astronomical Society
2019-02 | Journal article
Contributors: Matzeu, G. A.; Braito, V.; Reeves, J. N.; Severgnini, P.; Ballo, L.; Caccianiga, A.; Campana, S.; Cicone, C.; Della Ceca, R.; Parker, M. L. et al.
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NASA Astrophysics Data System
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X-ray spectra reveal the reawakening of the repeat changing-look AGN NGC 1566

Monthly Notices of the Royal Astronomical Society
2019-02 | Journal article
Contributors: Parker, M. L.; Schartel, N.; Grupe, D.; Komossa, S.; Harrison, F.; Kollatschny, W.; Mikula, R.; Santos-Lleó, M.; Tomás, L.
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NASA Astrophysics Data System
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Early Science with the Large Millimeter Telescope: An Energy-driven Wind Revealed by Massive Molecular and Fast X-Ray Outflows in the Seyfert Galaxy IRAS 17020+4544

The Astrophysical Journal
2018-11 | Journal article
Contributors: Longinotti, A. L.; Vega, O.; Krongold, Y.; Aretxaga, I.; Yun, M.; Chavushyan, V.; Feruglio, C.; Gómez-Ruiz, A.; Montaña, A.; León-Tavares, J. et al.
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NASA Astrophysics Data System
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A high-velocity component to the complex absorption in IRAS 13349+2438

Monthly Notices of the Royal Astronomical Society
2018-10 | Journal article
Contributors: Parker, M. L.; Matzeu, G. A.; Guainazzi, M.; Kalfountzou, E.; Miniutti, G.; Santos-Lleó, M.; Schartel, N.
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NASA Astrophysics Data System
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SDSS J1056+5516: A Triple AGN or an SMBH Recoil Candidate?

The Astrophysical Journal Letters
2017-12-10 | Journal article
Contributors: E. Kalfountzou; M. Santos Lleo; M. Trichas
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Crossref
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Coexistence of a non-thermal jet and a complex ultra-fast X-ray outflow in a moderately luminous AGN

Astronomy and Astrophysics
2017-04 | Journal article
BIBCODE:

2017A&A...600A..87G

Contributors: Giroletti, M.; Panessa, F.; Longinotti, A. L.; Krongold, Y.; Guainazzi, M.; Costantini, E.; Santos-Lleo, M.
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NASA Astrophysics Data System
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The Extremes of AGN Variability

Proceedings of the International Astronomical Union
2016 | Book
EID:

2-s2.0-85021296578

Contributors: Komossa, S.; Grupe, D.; Schartel, N.; Gallo, L.; Gomez, J.L.; Kollatschny, W.; Kriss, G.; Leighly, K.; Longinotti, A.L.; Parker, M. et al.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

The detection and X-ray view of the changing look AGN HE 1136-2304

Monthly Notices of the Royal Astronomical Society
2016-09 | Journal article
Contributors: Parker, M. L.; Komossa, S.; Kollatschny, W.; Walton, D. J.; Schartel, N.; Santos-Lleó, M.; Harrison, F. A.; Fabian, A. C.; Zetzl, M.; Grupe, D. et al.
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NASA Astrophysics Data System
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The peculiar optical-UV X-ray spectra of the X-ray weak quasar PG 0043+039

Astronomy and Astrophysics
2016-01 | Journal article
BIBCODE:

2016A&A...585A..18K

Contributors: Kollatschny, W.; Schartel, N.; Zetzl, M.; Santos-Lleó, M.; Rodríguez-Pascual, P. M.; Ballo, L.; Talavera, A.
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NASA Astrophysics Data System
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X-RAY HIGH-RESOLUTION SPECTROSCOPY REVEALS FEEDBACK IN A SEYFERT GALAXY FROM AN ULTRA-FAST WIND WITH COMPLEX IONIZATION AND VELOCITY STRUCTURE

The Astrophysical Journal
2015-11-06 | Journal article
Contributors: A. L. Longinotti; Y. Krongold; M. Guainazzi; M. Giroletti; F. Panessa; E. Costantini; M. Santos-Lleo; P. Rodriguez-Pascual
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Crossref
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Proving strong magnetic fields near to the central black hole in the quasar PG0043+039 via cyclotron lines

Astronomy and Astrophysics
2015-05 | Journal article
BIBCODE:

2015A&A...577L...1K

Contributors: Kollatschny, W.; Schartel, N.; Zetzl, M.; Santos-Lleó, M.; Rodríguez-Pascual, P. M.; Ballo, L.
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NASA Astrophysics Data System
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Finding AGN in deep X-ray flux states with swift

Proceedings of Science
2014 | Conference paper
EID:

2-s2.0-85017463470

Contributors: Grupe, D.; Komossa, S.; Bush, M.; Pruett, C.; Ernst, S.; Barber, T.; Carter, J.; Schartel, N.; Rodriguez, P.; Santos-Lleó, M.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

A partial eclipse of the heart: the absorbed X-ray low state in Mrk 1048

Monthly Notices of the Royal Astronomical Society
2014-11 | Journal article
Contributors: Parker, M. L.; Schartel, N.; Komossa, S.; Grupe, D.; Santos-Lleó, M.; Fabian, A. C.; Mathur, S.
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NASA Astrophysics Data System
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XMM-Newton operations beyond the design lifetime

Proceedings of SPIE - The International Society for Optical Engineering
2012 | Conference paper
EID:

2-s2.0-84871821118

Contributors: Parmar, A.N.; Kirsch, M.G.F.; Muñozc, J.R.; Santos-Lleo, M.; Schartel, N.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

Spectral analysis of 1H 0707-495 with XMM-Newton

Monthly Notices of the Royal Astronomical Society
2012-05 | Journal article
Contributors: Dauser, T.; Svoboda, J.; Schartel, N.; Wilms, J.; Dovčiak, M.; Ehle, M.; Karas, V.; Santos-Lleó, M.; Marshall, H. L.
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NASA Astrophysics Data System
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On the Nature of Hard X-Ray Extragalactic Sources Observed with XMM-Newton

The Astronomical Journal
2012-03 | Journal article
Contributors: Jiménez-Bailón, E.; Chavushyan, V.; Schartel, N.; Santos-Lleó, M.; Huerta, E. M.; Krongold, Y.
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NASA Astrophysics Data System
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1H 0707-495 in 2011: an X-ray source within a gravitational radius of the event horizon

Monthly Notices of the Royal Astronomical Society
2012-01 | Journal article
Contributors: Fabian, A. C.; Zoghbi, A.; Wilkins, D.; Dwelly, T.; Uttley, P.; Schartel, N.; Miniutti, G.; Gallo, L.; Grupe, D.; Komossa, S. et al.
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NASA Astrophysics Data System
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The X-ray emission of local luminous infrared galaxies

Astronomy and Astrophysics
2011-11 | Journal article
BIBCODE:

2011A&A...535A..93P

Contributors: Pereira-Santaella, M.; Alonso-Herrero, A.; Santos-Lleo, M.; Colina, L.; Jiménez-Bailón, E.; Longinotti, A. L.; Rieke, G. H.; Ward, M.; Esquej, P.
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NASA Astrophysics Data System
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A comprehensive approach to analyzing the XMM-Newton data of Seyfert 1 galaxies

Astronomy and Astrophysics
2011-06 | Journal article
BIBCODE:

2011A&A...530A.125C

Contributors: Cardaci, M. V.; Santos-Lleó, M.; Hägele, G. F.; Krongold, Y.; Díaz, A. I.; Rodríguez-Pascual, P.
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NASA Astrophysics Data System
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The quasar PG 0844+349 in an X-ray weak state

Monthly Notices of the Royal Astronomical Society
2011-03 | Journal article
Contributors: Gallo, L. C.; Grupe, D.; Schartel, N.; Komossa, S.; Miniutti, G.; Fabian, A. C.; Santos-Lleo, M.
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NASA Astrophysics Data System
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An XMM-Newton view of a small sample of Seyfert, 1 Galaxies

Proceedings of the International Astronomical Union
2010 | Book
EID:

2-s2.0-79959193031

Contributors: Cardaci, M.V.; Hagele, G.F.; Santos-Lleó, M.; Krongold, Y.; Díaz, A.I.; Rodriguez-Pascual, P.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

Commemorating XMM-Newton's first decade

European Space Agency Bulletin
2010 | Journal article
EID:

2-s2.0-76449090500

Contributors: Schartel, N.; Santos-Lleo, M.; Parmar, A.; Clavel, J.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

Impacts on the IXO observing efficiency

Proceedings of SPIE - The International Society for Optical Engineering
2010 | Conference paper
EID:

2-s2.0-77957872549

Contributors: Garcia, M.; Smith, R.; Bookbinder, J.; Patnaude, D.; Santos-Lleo, M.; Ehle, M.; Rodriguez, P.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

FERO: Finding extreme relativistic objects. I. Statistics of relativistic Fe K<SUB>α</SUB> lines in radio-quiet Type 1 AGN

Astronomy and Astrophysics
2010-12 | Journal article
BIBCODE:

2010A&A...524A..50D

Contributors: de La Calle Pérez, I.; Longinotti, A. L.; Guainazzi, M.; Bianchi, S.; Dovčiak, M.; Cappi, M.; Matt, G.; Miniutti, G.; Petrucci, P. O.; Piconcelli, E. et al.
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NASA Astrophysics Data System
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High resolution spectroscopy as a tool to study line emitting material in AGNs

X-ray Astronomy 2009; Present Status, Multi-Wavelength Approach and Future Perspectives
2010-07 | Conference paper
Contributors: Nucita, A. A.; Guainazzi, M.; Longinotti, A. L.; Risaliti, G.; Santos-Lleo, M.; Bianchi, S.
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NASA Astrophysics Data System
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A characterization of the NGC 4051 soft X-ray spectrum as observed by XMM-Newton

Astronomy and Astrophysics
2010-06 | Journal article
BIBCODE:

2010A&A...515A..47N

Contributors: Nucita, A. A.; Guainazzi, M.; Longinotti, A. L.; Santos-Lleo, M.; Maruccia, Y.; Bianchi, S.
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NASA Astrophysics Data System
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A long hard look at the minimum state of PG 2112+059 with XMM-Newton

Astronomy and Astrophysics
2010-03 | Journal article
BIBCODE:

2010A&A...512A..75S

Contributors: Schartel, N.; Rodríguez-Pascual, P. M.; Santos-Lleó, M.; Jiménez-Bailón, E.; Ballo, L.; Piconcelli, E.
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NASA Astrophysics Data System
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High-resolution X-ray spectroscopy of the Seyfert 1 Mrk 841: insights into the warm absorber and warm emitter

Astronomy and Astrophysics
2010-02 | Journal article
BIBCODE:

2010A&A...510A..92L

Contributors: Longinotti, A. L.; Costantini, E.; Petrucci, P. O.; Boisson, C.; Mouchet, M.; Santos-Lleo, M.; Matt, G.; Ponti, G.; Gonçalves, A. C.
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NASA Astrophysics Data System
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The first decade of science with Chandra and XMM-Newton

Nature
2009-12 | Journal article
Contributors: Santos-Lleo, Maria; Schartel, Norbert; Tananbaum, Harvey; Tucker, Wallace; Weisskopf, Martin C.
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NASA Astrophysics Data System
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Characterization of the emitting and absorbing media around the nucleus of the active galaxy UGC 11763 using XMM-Newton data

Astronomy and Astrophysics
2009-10 | Journal article
BIBCODE:

2009A&A...505..541C

Contributors: Cardaci, M. V.; Santos-Lleó, M.; Krongold, Y.; Hägele, G. F.; Díaz, A. I.; Rodríguez-Pascual, P.
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NASA Astrophysics Data System
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XMM-Newton View of the Multiphase Warm Absorber in Seyfert 1 Galaxy NGC 985

The Astrophysical Journal
2009-01 | Journal article
Contributors: Krongold, Yair; Jiménez-Bailón, Elena; Santos-Lleo, Maria; Nicastro, Fabrizio; Elvis, Martin; Brickhouse, Nancy; Andrade-Velazquez, Mercedes; Binette, Luc; Mathur, Smita
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NASA Astrophysics Data System
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A search for spectral features in the xmm-newton observation of UGC 11763

Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias
2008 | Conference paper
EID:

2-s2.0-70649086308

Contributors: Cardaci, M.V.; Santos-Lleó, M.; Krongold, Y.; Rodríguez-Pascual, P.; Hagele, G.F.; Díaz, A.I.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

X-ray properties of a sample of polar-scattered seyfert galaxies

Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias
2008 | Conference paper
EID:

2-s2.0-70649105652

Contributors: Jiménez-Bailón, E.; Guainazzi, M.; Matt, G.; Bianchi, S.; Krongold, Y.; Piconcelli, E.; Santos Lleó, M.; Schartel, N.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

Detection of blueshifted emission and absorption and a relativistic iron line in the X-ray spectrum of ESO323-G077

Monthly Notices of the Royal Astronomical Society
2008-12 | Journal article
Contributors: Jiménez-Bailón, E.; Krongold, Y.; Bianchi, S.; Matt, G.; Santos-Lleó, M.; Piconcelli, E.; Schartel, N.
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NASA Astrophysics Data System
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The Seyfert 1 Galaxy Mrk 335 at a very low flux state: mapping the soft X-ray photoionised gas

Astronomy and Astrophysics
2008-06 | Journal article
BIBCODE:

2008A&A...484..311L

Contributors: Longinotti, A. L.; Nucita, A.; Santos-Lleo, M.; Guainazzi, M.
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NASA Astrophysics Data System
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X-ray spectral variability in PG 1535+547: the changing look of a ``soft X-ray weak'' AGN

Astronomy and Astrophysics
2008-05 | Journal article
BIBCODE:

2008A&A...483..137B

Contributors: Ballo, L.; Giustini, M.; Schartel, N.; Cappi, M.; Jiménez-Bailón, E.; Piconcelli, E.; Santos-Lleó, M.; Vignali, C.
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NASA Astrophysics Data System
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Search for narrow energy-shifted lines in XMM-Newton AGN spectra

AIP Conference Proceedings
2007 | Conference paper
EID:

2-s2.0-35349030449

Contributors: Longinotti, A.L.; Bianchi, S.; Guainazzi, M.; Roa-Llamazares, J.; Santos-Lleo, M.
Source: Self-asserted source
Maria Santos-Lleo via Scopus - Elsevier

XMM-Newton observation of the deep minimum state of PG 2112+059. A spectrum dominated by reflection from the accretion disk?

Astronomy and Astrophysics
2007-11 | Journal article
BIBCODE:

2007A&A...474..431S

Contributors: Schartel, N.; Rodríguez-Pascual, P. M.; Santos-Lleó, M.; Ballo, L.; Clavel, J.; Guainazzi, M.; Jiménez-Bailón, E.; Piconcelli, E.
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NASA Astrophysics Data System
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