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Article 2018-04

Quasar lenses and pairs in the VST-ATLAS and Gaia

Autor: Agnello, A. Schechter, P.L. Morgan, N.D. Treu, T. Grillo, C. Malesani, D. Anguita, T. Apostolovski, Y. Rusu, C.E. Motta, V. Rojas, K. Chehade, B. Shanks, T.

We report on discovery results from a quasar lens search in the ATLAS-DR3 public footprint. Spectroscopic follow-up campaigns, conducted at the 2.6 m Nordic Optical Telescope (La Palma) and 3.6mNew Technology Telescope (La Silla) in 2016, yielded seven pairs of quasars exhibiting the same lines a...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/8560

Repositorio Universidad Andrés Bello

Gravitational lensing: strong

Methods: statistical

Techniques: image processing

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Agnello, A. , Schechter, P.L. , Morgan, N.D. , Treu, T. , Grillo, C. , Malesani, D. , Anguita, T. , Apostolovski, Y. , Rusu, C.E. , Motta, V. , Rojas, K. , Chehade, B. , Shanks, T. , [Quasar lenses and pairs in the VST-ATLAS and Gaia] , Quasar lenses and pairs in the VST-ATLAS and Gaia

Article 2016

OPTICAL SPECTROSCOPIC OBSERVATIONS OF GAMMA-RAY BLAZAR CANDIDATES. VI. FURTHER OBSERVATIONS FROM TNG, WHT, OAN, SOAR, AND MAGELLAN TELESCOPES

Autor: Crespo, NA Massaro, F Milisavljevic, D Landoni, M Chavushyan, V Patino-Alvarez, V Masetti, N Jimenez-Bailon, E Strader, J Chomiuk, L Katagiri, H Kagaya, M Cheung, CC Paggi, A D'Abrusco, R Ricci, F La Franca, F Smith, HA Tosti, G

Blazars, one of the most extreme classes of active galaxies, constitute so far the largest known population of.-ray sources, and their number is continuously growing in the Fermi catalogs. However, in the latest release of the Fermi catalog there is still a large fraction of sources that are clas...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/833

Repositorio Universidad Andrés Bello

BL Lacertae objects: general

Galaxies: active

Quasars: general

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Crespo, NA , Massaro, F , Milisavljevic, D , Landoni, M , Chavushyan, V , Patino-Alvarez, V , Masetti, N , Jimenez-Bailon, E , Strader, J , Chomiuk, L , Katagiri, H , Kagaya, M , Cheung, CC , Paggi, A , D'Abrusco, R , Ricci, F , La Franca, F , Smith, HA , Tosti, G , [OPTICAL SPECTROSCOPIC OBSERVATIONS OF GAMMA-RAY BLAZAR CANDIDATES. VI. FURTHER OBSERVATIONS FROM TNG, WHT, OAN, SOAR, AND MAGELLAN TELESCOPES] , OPTICAL SPECTROSCOPIC OBSERVATIONS OF GAMMA-RAY BLAZAR CANDIDATES. VI. FURTHER OBSERVATIONS FROM TNG, WHT, OAN, SOAR, AND MAGELLAN TELESCOPES

Article 2016-09

BAT AGN Spectroscopic Survey – III. An observed link between AGN Eddington ratio and narrow-emission-line ratios

Autor: Oh, K Schawinski, K Koss, M Trakhtenbrot, B Lamperti, I Ricci, C Mushotzky, R Veilleux, S Berney, S Crenshaw, DM Gehrels, N Harrison, F Masetti, N Soto, KT Stern, D Treister, E Ueda, Y

We investigate the observed relationship between black hole mass (M-BH), bolometric luminosity (L-bol) and Eddington ratio (lambda(Edd)) with optical emission-line ratios ([N II] lambda 6583/H alpha, [S II] lambda lambda 6716, 6731/H alpha, [O I] lambda 6300/H alpha, [O III] lambda 5007/H beta, [...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/3402

Repositorio Universidad Andrés Bello

Black hole physics

Galaxies: active

Galaxies: nuclei

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Oh, K , Schawinski, K , Koss, M , Trakhtenbrot, B , Lamperti, I , Ricci, C , Mushotzky, R , Veilleux, S , Berney, S , Crenshaw, DM , Gehrels, N , Harrison, F , Masetti, N , Soto, KT , Stern, D , Treister, E , Ueda, Y , [BAT AGN Spectroscopic Survey – III. An observed link between AGN Eddington ratio and narrow-emission-line ratios] , BAT AGN Spectroscopic Survey – III. An observed link between AGN Eddington ratio and narrow-emission-line ratios

Article 2017-01

RADIO-WEAK BL LAC OBJECTS IN THE FERMI ERA

Autor: Massaro, F Marchesini, EJ D'Abrusco, R Masetti, N Andruchow, I Smith, HA

The existence of "radio-weak BL Lac objects" (RWBLs) has been an open question, and has remained unsolved since the discovery that quasars could be radio-quiet or radio-loud. Recently, several groups identified RWBL candidates, mostly found while searching for low-energy counterparts of the unide...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/3750

Repositorio Universidad Andrés Bello

BL Lacertae objects: general

Galaxies: active

Quasars: emission lines

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Massaro, F , Marchesini, EJ , D'Abrusco, R , Masetti, N , Andruchow, I , Smith, HA , [RADIO-WEAK BL LAC OBJECTS IN THE FERMI ERA] , RADIO-WEAK BL LAC OBJECTS IN THE FERMI ERA

Descubre y comparte nuestro conocimiento público

Resultados de búsqueda

Quasar lenses and pairs in the VST-ATLAS and Gaia

OPTICAL SPECTROSCOPIC OBSERVATIONS OF GAMMA-RAY BLAZAR CANDIDATES. VI. FURTHER OBSERVATIONS FROM TNG, WHT, OAN, SOAR, AND MAGELLAN TELESCOPES

BAT AGN Spectroscopic Survey – III. An observed link between AGN Eddington ratio and narrow-emission-line ratios

RADIO-WEAK BL LAC OBJECTS IN THE FERMI ERA

Descubre y comparte nuestro conocimiento público

Resultados de búsqueda

Quasar lenses and pairs in the VST-ATLAS and Gaia

[Agnello_Quasar_lenses_and.pdf]

OPTICAL SPECTROSCOPIC OBSERVATIONS OF GAMMA-RAY BLAZAR CANDIDATES. VI. FURTHER OBSERVATIONS FROM TNG, WHT, OAN, SOAR, AND MAGELLAN TELESCOPES

[Alvarez_OPTICAL_SPECTROSCOPIC_OBSERVATIONS.pdf]

BAT AGN Spectroscopic Survey – III. An observed link between AGN Eddington ratio and narrow-emission-line ratios

[Oh_K_BAT_AGN_Spectroscopic_Survey.pdf]

RADIO-WEAK BL LAC OBJECTS IN THE FERMI ERA

[Massaro_F_RADIO-WEAK_BL_LAC.pdf]