Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Unveiling the nature of INTEGRAL objects through optical spectroscopy: X. A new multi-year, multi-observatory campaign
Astronomy and Astrophysics, Volume 556, Article A120, Year 2013
Notification
URL copied to clipboard!
Description
Within the framework of our program (running since 2004) of identification of hard X-ray INTEGRAL sources through optical spectroscopy, we present the results concerning the nature of 33 high-energy objects. The data were acquired with the use of six telescopes of different sizes and from one on-line archive. The results indicate that the majority of these objects (23 out of 33) are active galactic nuclei (AGNs), whereas 10 are sources in the local Universe with eight of which in the Galaxy and two in the Small Magellanic Cloud (SMC). Among the identified AGNs, 13 are of Type 1 (i.e., with broad emission lines), eight are of Type 2 (with narrow emissions only), and two are X-ray bright, optically normal galaxies with no apparent nuclear activity in the optical. Six of these AGNs lie at high redshift (z > 0.5). Concerning local objects, we found that five of them are Galactic cataclysmic variables, three are high-mass X-ray binaries (two of which lying in the SMC), one is a low-mass X-ray binary, and one is classified as a flare star that is likely of RS CVn type. The main optical properties and inferred physical characteristics of these sources are presented and discussed. © ESO, 2013.
Authors & Co-Authors
Masetti, Nicola
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Parisi, Pietro
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Palazzi, Eliana
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Jiménez-Bailón, Elena
Mexico, Mexico
Universidad Nacional Autónoma de México
Chavushyan, Vahram H.
Mexico, Puebla
Instituto Nacional de Astrofisica Optica y Electronica
McBride, Vanessa A.
South Africa, Cape Town
South African Astronomical Observatory
South Africa, Cape Town
University of Cape Town
Rojas, A. F.
Chile, Santiago
Pontificia Universidad Católica de Chile
Steward, Louise
South Africa, Cape Town
South African Astronomical Observatory
South Africa, Cape Town
University of Cape Town
Bassani, Loredana
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Bazzano, Angela
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Bird, Antony J.
United Kingdom, Southampton
University of Southampton
Charles, Philip A.
United Kingdom, Southampton
University of Southampton
Galaz, Gaspar
Chile, Santiago
Pontificia Universidad Católica de Chile
Landi, Raffaella
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Malizia, Angela
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Mason, Elena
United States, Baltimore
Space Telescope Science Institute
Minniti, Dante
Chile, Santiago
Pontificia Universidad Católica de Chile
Italy, Rome
Vatican Observatory
Morelli, Lorenzo
Italy, Padua
Università Degli Studi Di Padova
Italy, Padua
Osservatorio Astronomico Di Padova
Schiavone, Filomena
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Stephen, John Buchan
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Ubertini, Pietro
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Statistics
Citations: 21
Authors: 21
Affiliations: 12
Identifiers
Doi:
10.1051/0004-6361/201322026
ISSN:
00046361
e-ISSN:
14320746
Research Areas
Cancer
Environmental