Publications (56)
Gaia Data Release 3: Chemical cartography of the Milky Way
Gaia Collaboration, A. Recio-Blanco, G. Kordopatis +447
Gaia DR3 opens a new era of all-sky spectral analysis of stellar populations thanks to the nearly 5.6 million stars observed by the RVS and parametrised by the GSP-spec module. The…
The stellar initial mass function at 0.9<z<1.5
I. MartÃn-Navarro, P. G. Pérez-González, I. Trujillo +12
We explore the stellar initial mass function (IMF) of a sample of 49 massive quiescent galaxies (MQGs) at 0.9z1.5. We base our analysis on intermediate resolution spectro-pho…
A candidate tidal disruption event in the Galaxy cluster Abell 3571
N. Cappelluti, M. Ajello, P. Rebusco +8
Tidal disruption events are possible sources of temporary nuclear activity in galactic nuclei and can be considered as good indicators of the existence of super massive black holes…
XMM-Newton slew survey discovery of the nova XMMSL1 J070542.7-381442 (V598 Pup)
A. M. Read, R. D. Saxton, M. A. P. Torres +6
In an attempt to catch new X-ray transients while they are still bright, the data taken by XMM-Newton as it slews between targets is being processed and cross-correlated with other…
Resolving the nuclear dust distribution of the Seyfert 2 galaxy NGC 3081
C. Ramos Almeida, M. Sanchez-Portal, A. M. Perez-Garcia +13
We report far-infrared (FIR) imaging of the Seyfert 2 galaxy NGC 3081 in the range 70-500 micron, obtained with an unprecedented angular resolution, using the Herschel Space Observ…
Gaia Early Data Release 3: The Galactic anticentre
Gaia Collaboration, T. Antoja, P. McMillan +417
We aim to demonstrate the scientific potential of the Gaia Early Data Release 3 (EDR3) for the study of the Milky Way structure and evolution. We used astrometric positions, proper…
XMMSL1 J060636.2-694933: An XMM-Newton Slew discovery and Swift/Magellan follow up of a new Classical Nova in the LMC
A. M. Read, R. D. Saxton, P. G. Jonker +7
In order to discover new X-ray transients, the data taken by XMM-Newton as it slews between targets are being processed and cross-correlated with other X-ray observations. A bright…
Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri
Gaia Collaboration, K. Weingrill, A. Mints +400
Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM) images were recorded for ni…
Gaia Data Release 3: A Golden Sample of Astrophysical Parameters
Gaia Collaboration, O. L. Creevey, L. M. Sarro +445
Gaia Data Release 3 (DR3) provides a wealth of new data products for the astronomical community to exploit, including astrophysical parameters for a half billion stars. In this wor…
Gaia Data Release 3: Reflectance spectra of Solar System small bodies
Gaia Collaboration, L. Galluccio, M. Delbo +444
The Gaia mission of the European Space Agency (ESA) has been routinely observing Solar System objects (SSOs) since the beginning of its operations in August 2014. The Gaia data rel…
Gaia Early Data Release 3: Acceleration of the solar system from Gaia astrometry
Gaia Collaboration, S. A. Klioner, F. Mignard +414
Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6 million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quali…
Gaia Data Release 2: The astrometric solution
L. Lindegren, J. Hernandez, A. Bombrun +87
Gaia Data Release 2 (Gaia DR2) contains results for 1693 million sources in the magnitude range 3 to 21 based on observations collected by the European Space Agency Gaia satellite…
Gaia Data Release 3: The extragalactic content
Gaia Collaboration, C. A. L. Bailer-Jones, D. Teyssier +444
The Gaia Galactic survey mission is designed and optimized to obtain astrometry, photometry, and spectroscopy of nearly two billion stars in our Galaxy. Yet as an all-sky multi-epo…
The XMM-Newton serendipitous survey. VII. The third XMM-Newton serendipitous source catalogue
S. R. Rosen, N. A. Webb, M. G. Watson +37
Thanks to the large collecting area (3 x ~1500 cm at 1.5 keV) and wide field of view (30' across in full field mode) of the X-ray cameras on board the European Space Agency X-r…
The complex evolutionary paths of local infrared bright galaxies: a high angular resolution mid-infrared view
A. Alonso-Herrero, R. Poulton, P. F. Roche +15
We investigate the evolutionary connection between local IR-bright galaxies () and quasars. We use high angular resolution ( 0.3-0.4 arcsec…
SAFIR: testing the coexistence of AGN and star formation activity and the nature of the dusty torus in the local universe
M. Sanchez-Portal, M. Castillo-Fraile, C. Ramos Almeida +16
We present the Seyfert and star formation Activity in the Far-InfraRed (SAFIR) project, a small (15.1h) Herschel guaranteed time proposal performing PACS and SPIRE imaging of a sma…
The dusty tori of nearby QSOs as constrained by high-resolution mid-IR observations
M. MartÃnez-Paredes, I. Aretxaga, A. Alonso-Herrero +13
We present mid-infrared (MIR, 7.5-13.5 m) imaging and spectroscopy observations obtained with the CanariCam (CC) instrument on the 10.4m Gran Telescopio CANARIAS for a sample o…
Gaia Data Release 3: Summary of the content and survey properties
Gaia Collaboration, A. Vallenari, A. G. A. Brown +453
We present the third data release of the European Space Agency's Gaia mission, GDR3. The GDR3 catalogue is the outcome of the processing of raw data collected with the Gaia instrum…
Gaia Early Data Release 3: The celestial reference frame (Gaia-CRF3)
Gaia Collaboration, S. A. Klioner, L. Lindegren +448
Gaia-CRF3 is the celestial reference frame for positions and proper motions in the third release of data from the Gaia mission, Gaia DR3 (and for the early third release, Gaia EDR3…
A mid-infrared view of the inner parsecs of the Seyfert galaxy Mrk 1066 using CanariCam/GTC
C. Ramos Almeida, A. Alonso-Herrero, P. Esquej +10
We present mid-infrared (MIR) imaging and spectroscopic data of the Seyfert 2 galaxy Mrk 1066 obtained with CanariCam (CC) on the 10.4 m Gran Telescopio CANARIAS (GTC). The galaxy…
Gaia Data Release 3: Pulsations in main sequence OBAF-type stars
Gaia Collaboration, J. De Ridder, V. Ripepi +445
The third Gaia data release provides photometric time series covering 34 months for about 10 million stars. For many of those stars, a characterisation in Fourier space and their v…
A deep look at the nuclear region of UGC 5101 through high angular resolution mid-IR data with GTC/CanariCam
M. MartÃnez-Paredes, A. Alonso-Herrero, I. Aretxaga +13
We present an analysis of the nuclear infrared (IR, 1.6 to 18 m) emission of the ultraluminous IR galaxy UGC 5101 to derive the properties of its active galactic nucleus (AGN)…
Gaia Data Release 3: Mapping the asymmetric disc of the Milky Way
Gaia Collaboration, R. Drimmel, M. Romero-Gomez +453
With the most recent Gaia data release the number of sources with complete 6D phase space information (position and velocity) has increased to well over 33 million stars, while ste…
The first XMM-Newton slew survey catalogue: XMMSL1
R. D. Saxton, A. M. Read, P. Esquej +3
We report on the production of a large area, shallow, sky survey, from XMM-Newton slews. The great collecting area of the mirrors coupled with the high quantum efficiency of the EP…
SHARDS: Constraints on the dust attenuation law of star-forming galaxies at z~2
M. Tress, E. Mármol-Queraltó, I. Ferreras +11
We make use of SHARDS, an ultra-deep (<26.5AB) galaxy survey that provides optical photo-spectra at resolution R~50, via medium band filters (FWHM~150A). This dataset is combined w…
Highly variable AGN from the XMM-Newton Slew Survey
N. L. Strotjohann, R. D. Saxton, R. L. C. Starling +4
We investigate the properties of a variability-selected complete sample of AGN in order to identify the mechanisms which cause large amplitude X-ray variability on time scales of y…
Candidate tidal disruption events from the XMM-Newton Slew Survey
P. Esquej, R. D. Saxton, M. J. Freyberg +4
In recent years, giant amplitude X-ray flares have been observed from a handful of non-active galaxies. The most plausible scenario of these unusual phenomena is tidal disruption o…
The nuclear and extended mid-infrared emission of Seyfert galaxies
I. GarcÃa-Bernete, C. Ramos Almeida, J. A. Acosta-Pulido +10
We present subarcsecond resolution mid-infrared (MIR) images obtained with 8-10 m-class ground-based telescopes of a complete volume-limited (DL<40 Mpc) sample of 24 Seyfert galaxi…
Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars
Gaia Collaboration, R. L. Smart, L. M. Sarro +420
We produce a clean and well-characterised catalogue of objects within 100\,pc of the Sun from the \G\ Early Data Release 3. We characterise the catalogue through comparisons to the…
Nuclear 11.3m PAH emission in local active galactic nuclei
A. Alonso-Herrero, C. Ramos Almeida, P. Esquej +15
We present Gran Telescopio CANARIAS CanariCam 8.7m imaging and 7.5-13m spectroscopy of six local systems known to host an active galactic nucleus (AGN) and have nuclear sta…
An X-ray and UV flare from the galaxy XMMSL1 J061927.1-655311
R. D. Saxton, A. M. Read, S. Komossa +6
New high variability extragalactic sources may be identified by comparing the flux of sources seen in the XMM-Newton Slew Survey with detections and upper limits from the ROSAT All…
Dust in active galactic nuclei. Mid-infrared T-ReCS/Gemini spectra using the new RedCan pipeline
O. Gonzalez-Martin, J. M. Rodriguez-Espinosa, T. Diaz-Santos +6
The unified model of active galactic nuclei (AGN) claims that the properties of AGN depend on the viewing angle of the observer with respect to a toroidal distribution of dust surr…
A mid-infrared spectroscopic atlas of local active galactic nuclei on sub-arcsecond resolution using GTC/CanariCam
A. Alonso-Herrero, P. Esquej, P. F. Roche +15
We present an atlas of mid-infrared (mid-IR) ~7.5-13micron spectra of 45 local active galactic nuclei (AGN) obtained with CanariCam on the 10.4m Gran Telescopio CANARIAS (GTC) as p…
Suzaku observation of the LINER NGC 4102
O. Gonzalez-Martin, I. Papadakis, V. Braito +11
Low ionisation nuclear emission-line region (LINER) nuclei have been claimed to be different than other active galactic nuclei (AGN) due to the presence of complex absorbing struct…
Probing the Nuclear and Circumnuclear Activity of NGC1365 in the Infrared
A. Alonso-Herrero, M. Sanchez-Portal, C. Ramos Almeida +12
We present new far-infrared (70-500micron) Herschel PACS and SPIRE imaging observations as well as new mid-IR Gemini/T-ReCS imaging (8.7 and 18.3micron) and spectroscopy of the inn…
Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds
Gaia Collaboration, X. Luri, L. Chemin +417
We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show…
Gaia Data Release 2: Observational Hertzsprung-Russell diagrams
Gaia Collaboration, C. Babusiaux, F. van Leeuwen +450
We highlight the power of the Gaia DR2 in studying many fine structures of the Hertzsprung-Russell diagram (HRD). Gaia allows us to present many different HRDs, depending in partic…
X-ray selected BALQSOs
M. J. Page, F. J. Carrera, M. Ceballos +11
We study a sample of six X-ray selected broad absorption line (BAL) quasi-stellar objects (QSOs) from the XMM-Newton Wide Angle Survey. All six objects are classified as BALQSOs us…
Gaia Early Data Release 3: The astrometric solution
L. Lindegren, S. A. Klioner, J. Hernández +94
Gaia Early Data Release 3 (Gaia EDR3) contains results for 1.812 billion sources in the magnitude range G = 3 to 21 based on observations collected by the European Space Agency Gai…
A high Eddington-ratio, true Seyfert 2 galaxy candidate: implications for broad-line-region models
G. Miniutti, R. D. Saxton, P. M. Rodriguez-Pascual +5
A bright, soft X-ray source was detected on 2010 July 14 during an XMM--Newton slew at a position consistent with the galaxy GSN 069 (z=0.018). Previous ROSAT observations failed t…
The XMM-Newton Slew Survey: Towards The Whole X-ray Sky and the Rarest X-ray Events
A. M. Read, R. D. Saxton, P. Esquej +1
The data collected by XMM-Newton as it slews between pointings currently cover almost half the entire sky, and many familiar features and new sources are visible. The soft-band sen…
Gaia Focused Product Release: Radial velocity time series of long-period variables
Gaia Collaboration, M. Trabucchi, N. Mowlavi +403
The third Gaia Data Release (DR3) provided photometric time series of more than 2 million long-period variable (LPV) candidates. Anticipating the publication of full radial-velocit…
Swift follow-up of unidentified X-ray sources in the XMM-Newton Slew Survey
R. L. C. Starling, P. A. Evans, A. M. Read +8
We present deep Swift follow-up observations of a sample of 94 unidentified X-ray sources from the XMM-Newton Slew Survey. The X-ray Telescope on-board Swift detected 29% of the sa…
Gaia Data Release 3: Stellar multiplicity, a teaser for the hidden treasure
Gaia Collaboration, F. Arenou, C. Babusiaux +447
The Gaia DR3 Catalogue contains for the first time about eight hundred thousand solutions with either orbital elements or trend parameters for astrometric, spectroscopic and eclips…
The nuclear and integrated far-infrared emission of nearby Seyfert galaxies
J. GarcÃa-González, A. Alonso-Herrero, A. Hernán-Caballero +11
We present far-infrared (FIR) m imaging observations obtained with Herschel/PACS and SPIRE of 33 nearby (median distance of 30 Mpc) Seyfert galaxies from the Revised Sh…
Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars
Gaia Collaboration, A. Krone-Martins, C. Ducourant +398
Context. Strongly lensed quasars are fundamental sources for cosmology. The Gaia space mission covers the entire sky with the unprecedented resolution of " in the optical, ma…
Uncovering the deeply embedded AGN activity in the nuclear regions of the interacting galaxy Arp299
A. Alonso-Herrero, P. F. Roche, P. Esquej +14
We present mid-infrared (MIR) 8-13micron spectroscopy of the nuclear regions of the interacting galaxy Arp299 (IC694+NGC3690) obtained with CanariCam (CC) on the 10.4m Gran Telesco…
Gaia Photometric Science Alerts
S. T. Hodgkin, D. L. Harrison, E. Breedt +108
Since July 2014, the Gaia mission has been engaged in a high-spatial-resolution, time-resolved, precise, accurate astrometric, and photometric survey of the entire sky. Aims: We pr…
Gaia Early Data Release 3: Summary of the contents and survey properties
Gaia Collaboration, A. G. A Brown, A. Vallenari +423
We present the early installment of the third Gaia data release, Gaia EDR3, consisting of astrometry and photometry for 1.8 billion sources brighter than magnitude 21, complemented…
Nuclear star formation activity and black hole accretion in nearby Seyfert galaxies
P. Esquej, A. Alonso-Herrero, O. González-MartÃn +10
Recent theoretical and observational works indicate the presence of a correlation between the star formation rate (SFR) and the active galactic nuclei (AGN) luminosity (and, theref…
Mid-infrared imaging- and spectro-polarimetric subarcsecond observations of NGC 1068
E. Lopez-Rodriguez, C. Packham, P. F. Roche +10
We present sub-arcsecond 7.513 m imaging- and spectro-polarimetric observations of NGC 1068 using CanariCam on the 10.4-m Gran Telescopio CANARIAS. At all wavelengths, we fi…
The nuclear and extended infrared emission of the Seyfert galaxy NGC 2992 and the interacting system Arp 245
I. GarcÃa-Bernete, C. Ramos Almeida, J. A. Acosta-Pulido +14
We present subarcsecond resolution infrared (IR) imaging and mid-IR spectroscopic observations of the Seyfert 1.9 galaxy NGC 2992, obtained with the Gemini North Telescope and the…
Evolution of tidal disruption candidates discovered by XMM-Newton
P. Esquej, R. D. Saxton, S. Komossa +8
It has been demonstrated that active galactic nuclei are powered by gas accretion onto supermassive black holes located at their centres. The paradigm that the nuclei of inactive g…
A tidal disruption-like X-ray flare from the quiescent galaxy SDSS J120136.02+300305.5
R. D. Saxton, A. M. Read, P. Esquej +4
SDSS J120136.02+300305.5 was detected in an XMM-Newton slew from June 2010 with a flux 56 times higher than an upper limit from ROSAT, corresponding to Lx~3x10^44 ergs/s. It has th…
The starburst-AGN connection in the merger galaxy Mrk 938: an infrared and X-ray view
P. Esquej, A. Alonso-Herrero, A. M. Pérez-GarcÃa +14
Mrk938 is a luminous infrared galaxy in the local Universe believed to be the remnant of a galaxy merger. It shows a Seyfert 2 nucleus and intense star formation according to optic…
The XMM-Newton Wide Angle Survey (XWAS)
P. Esquej, M. Page, F. J. Carrera +16
This programme is aimed at obtaining one of the largest X-ray selected samples of identified active galactic nuclei to date in order to characterise such a population at intermedia…