Outputs (131)

On the accretion of a new group of galaxies on to Virgo – II. The effect of pre-processing on the stellar population content of dEs (2022)
Journal Article
Bidaran, B., La Barbera, F., Pasquali, A., Peletier, R., van de Ven, G., Grebel, E. K., Falcón-Barroso, J., Sybilska, A., Gadotti, D. A., & Coccato, L. (2022). On the accretion of a new group of galaxies on to Virgo – II. The effect of pre-processing on the stellar population content of dEs. Monthly Notices of the Royal Astronomical Society, 515(3), 4622-4638. https://doi.org/10.1093/mnras/stac2005

Using MUSE spectra, we investigate how pre-processing and accretion on to a galaxy cluster affect the integrated stellar population properties of dwarf early-type galaxies (dEs). We analyse a sample of nine dEs with stellar masses of ∼109M⊙⁠, which w... Read More about On the accretion of a new group of galaxies on to Virgo – II. The effect of pre-processing on the stellar population content of dEs.

The DESI N-body simulation project – I. Testing the robustness of simulations for the DESI dark time survey (2022)
Journal Article
Grove, C., Chuang, C.-H., Devi, N. C., Garrison, L., L’Huillier, B., Feng, Y., Helly, J., Hernández-Aguayo, C., Alam, S., Zhang, H., Yu, Y., Cole, S., Eisenstein, D., Norberg, P., Wechsler, R., Brooks, D., Dawson, K., Landriau, M., Meisner, A., Poppett, C., …Valenzuela, O. (2022). The DESI N-body simulation project – I. Testing the robustness of simulations for the DESI dark time survey. Monthly Notices of the Royal Astronomical Society, 515(2), https://doi.org/10.1093/mnras/stac1947

Analysis of large galaxy surveys requires confidence in the robustness of numerical simulation methods. The simulations are used to construct mock galaxy catalogues to validate data analysis pipelines and identify potential systematics. We compare th... Read More about The DESI N-body simulation project – I. Testing the robustness of simulations for the DESI dark time survey.

A transient ultraluminous X-ray source in NGC 55 (2022)
Journal Article
Robba, A., Pinto, C., Pintore, F., Rodriguez, G., Ambrosi, E., Barra, F., Cusumano, G., D’Aì, A., Del Santo, M., Kosec, P., Marino, A., Middleton, M., Roberts, T., Salvaggio, C., Soria, R., Wolter, A., & Walton, D. (2022). A transient ultraluminous X-ray source in NGC 55. Monthly Notices of the Royal Astronomical Society, 515(4), 4669-4674. https://doi.org/10.1093/mnras/stac2018

Ultraluminous X-ray sources (ULXs) are a class of accreting compact objects with X-ray luminosities above 1039 erg s−1. The average number of ULXs per galaxy is still not well constrained, especially given the uncertainty on the fraction of ULX trans... Read More about A transient ultraluminous X-ray source in NGC 55.

Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy (2022)
Journal Article
Spavone, M., Iodice, E., D’Ago, G., van de Ven, G., Morelli, L., Corsini, E., Sarzi, M., Coccato, L., Fahrion, K., Falcón-Barroso, J., Gadotti, D., Lyubenova, M., Martín-Navarro, I., McDermid, R., Pinna, F., Pizzella, A., Poci, A., de Zeeuw, P., & Zhu, L. (2022). Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy. Astronomy & Astrophysics, 663, Article A135. https://doi.org/10.1051/0004-6361/202243290

This work is based on high-quality integral-field spectroscopic data obtained with the Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT). The 21 brightest (mB ≤ 15 mag) early-type galaxies (ETGs) inside the virial radius of t... Read More about Fornax3D project: Assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy.

Subarcsecond view on the high-redshift blazar GB 1508+5714 by the International LOFAR Telescope (2022)
Journal Article
Kappes, A., Burd, P., Kadler, M., Ghisellini, G., Perucho, M., Brüggen, M., Cheung, C., Ciardi, B., Gallo, E., Haardt, F., Morabito, L., Sbarrato, T., Bonnassieux, E., Drabent, A., Harwood, J., Jackson, N., & Moldon, J. (2022). Subarcsecond view on the high-redshift blazar GB 1508+5714 by the International LOFAR Telescope. Astronomy & Astrophysics, 663, Article A44. https://doi.org/10.1051/0004-6361/202141720

Context. Studies of the most distant active galactic nuclei (AGNs) allow us to test our current understanding of the physics present in radio-jetted AGNs across a range of environments, and probe their interactions with these environments. The decrea... Read More about Subarcsecond view on the high-redshift blazar GB 1508+5714 by the International LOFAR Telescope.

Ram pressure stripping in the z  ∼  0.5 galaxy cluster MS 0451.6-0305 (2022)
Journal Article
Durret, F., Degott, L., Lobo, C., Ebeling, H., Jauzac, M., & Tam, S.-I. (2022). Ram pressure stripping in the z  ∼  0.5 galaxy cluster MS 0451.6-0305. Astronomy & Astrophysics, 662, Article A84. https://doi.org/10.1051/0004-6361/202142983

The pressure exerted by the ambient hot X-ray gas on cluster galaxies can lead to the presence of ram pressure stripped (RPS) galaxies, characterized by asymmetric shapes, and, in some cases, tails of blue stars and/or X-ray gas, with increased star... Read More about Ram pressure stripping in the z  ∼  0.5 galaxy cluster MS 0451.6-0305.

The Sloan Digital Sky Survey peculiar velocity catalogue (2022)
Journal Article
Howlett, C., Said, K., Lucey, J. R., Colless, M., Qin, F., Lai, Y., Tully, R. B., & Davis, T. M. (2022). The Sloan Digital Sky Survey peculiar velocity catalogue. Monthly Notices of the Royal Astronomical Society, 515(1), https://doi.org/10.1093/mnras/stac1681

We present a new catalogue of distances and peculiar velocities (PVs) of 34 059 early-type galaxies derived from fundamental plane (FP) measurements using data from the Sloan Digital Sky Survey (SDSS). This 7016deg2 homogeneous sample comprises the l... Read More about The Sloan Digital Sky Survey peculiar velocity catalogue.

Linking stellar populations to H II regions across nearby galaxies (2022)
Journal Article
Barnes, A., Chandar, R., Kreckel, K., Glover, S., Scheuermann, F., Belfiore, F., Bigiel, F., Blanc, G., Boquien, M., den Brok, J., Congiu, E., Chevance, M., Dale, D., Deger, S., Kruijssen, J., Egorov, O., Eibensteiner, C., Emsellem, E., Grasha, K., Groves, B., …Williams, T. (2022). Linking stellar populations to H II regions across nearby galaxies. Astronomy & Astrophysics, 662, https://doi.org/10.1051/0004-6361/202243766

Context. Stellar feedback is one of the fundamental factors regulating the evolution of galaxies. However, we still do not have access to strong observational constraints on the relative importance of the different feedback mechanisms (e.g. radiation... Read More about Linking stellar populations to H II regions across nearby galaxies.

Vacuum Ultraviolet Fourier-transform Spectroscopy of 16O and 18O (2022)
Journal Article
Lai, K.-F., Manalili, D., Ubachs, W., Cooke, R., Pettini, M., de Oliveira, N., & Salumbides, E. (2022). Vacuum Ultraviolet Fourier-transform Spectroscopy of 16O and 18O. Astrophysical Journal Supplement, 260(2), Article 37. https://doi.org/10.3847/1538-4365/ac6350

A spectroscopic study of atomic oxygen (O I) is performed using the Fourier-transform vacuum ultraviolet (VUV) spectrometer at the Dichroïsme Et Spectroscopie par Interaction avec le Rayonnement Synchrotron beamline of the SOLEIL synchrotron. Transit... Read More about Vacuum Ultraviolet Fourier-transform Spectroscopy of 16O and 18O.

ALMA Lensing Cluster Survey: ALMA-Herschel Joint Study of Lensed Dusty Star-forming Galaxies across z ≃ 0.5 – 6 (2022)
Journal Article
Sun, F., Egami, E., Fujimoto, S., Rawle, T., Bauer, F. E., Kohno, K., Smail, I., Pérez-González, P. G., Ao, Y., Chapman, S. C., Combes, F., Dessauges-Zavadsky, M., Espada, D., González-López, J., Koekemoer, A. M., Kokorev, V., Lee, M. M., Morokuma-Matsui, K., Muñoz Arancibia, A. M., Oguri, M., …Zitrin, A. (2022). ALMA Lensing Cluster Survey: ALMA-Herschel Joint Study of Lensed Dusty Star-forming Galaxies across z ≃ 0.5 – 6. Astrophysical Journal, 932(2), Article 77. https://doi.org/10.3847/1538-4357/ac6e3f

We present an ALMA-Herschel joint analysis of sources detected by the ALMA Lensing Cluster Survey (ALCS) at 1.15 mm. Herschel/PACS and SPIRE data at 100–500 μm are deblended for 180 ALMA sources in 33 lensing cluster fields that are detected either s... Read More about ALMA Lensing Cluster Survey: ALMA-Herschel Joint Study of Lensed Dusty Star-forming Galaxies across z ≃ 0.5 – 6.

Circumnuclear Medium around the Central AGN in a Cool-core Cluster, Abell 1644-South (2022)
Journal Article
Baek, J., Chung, A., Edge, A., Rose, T., Kim, J.-W., & Jung, T. (2022). Circumnuclear Medium around the Central AGN in a Cool-core Cluster, Abell 1644-South. Astrophysical Journal, 932(1), Article 64. https://doi.org/10.3847/1538-4357/ac6de6

We present the circumnuclear multiphase gas properties of the brightest cluster galaxy (BCG) in the center of Abell 1644-South (A1644-S). A1644-S is the main cluster in a merging system, which is well known for X-ray hot gas sloshing in its core. The... Read More about Circumnuclear Medium around the Central AGN in a Cool-core Cluster, Abell 1644-South.

Primordial Helium-3 Redux: The Helium Isotope Ratio of the Orion Nebula* (2022)
Journal Article
Cooke, R. J., Noterdaeme, P., Johnson, J. W., Pettini, M., Welsh, L., Peroux, C., Murphy, M. T., & Weinberg, D. H. (2022). Primordial Helium-3 Redux: The Helium Isotope Ratio of the Orion Nebula*. Astrophysical Journal, 932(1), Article 60. https://doi.org/10.3847/1538-4357/ac6503

We report the first direct measurement of the helium isotope ratio, 3He/4He, outside of the Local Interstellar Cloud, as part of science-verification observations with the upgraded CRyogenic InfraRed Echelle Spectrograph. Our determination of 3He/4He... Read More about Primordial Helium-3 Redux: The Helium Isotope Ratio of the Orion Nebula*.

The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function (2022)
Journal Article
Poci, A., McDermid, R., Lyubenova, M., Martín-Navarro, I., van de Ven, G., Coccato, L., Corsini, E., Fahrion, K., Falcón-Barroso, J., Gadotti, D., Iodice, E., Pinna, F., Sarzi, M., de Zeeuw, P., & Zhu, L. (2022). The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function. Monthly Notices of the Royal Astronomical Society, 514(3), 3660-3669. https://doi.org/10.1093/mnras/stac1514

Variations of the stellar initial mass function (IMF) in external galaxies have been inferred from a variety of independent probes. Yet the physical conditions causing these variations remain largely unknown. In this work, we explore new spatially re... Read More about The Fornax3D project: intrinsic correlations between orbital properties and the stellar initial mass function.

Pilot-WINGS: An extended MUSE view of the structure of Abell 370 (2022)
Journal Article
Lagattuta, D. J., Richard, J., Bauer, F. E., Cerny, C., Claeyssens, A., Guaita, L., Jauzac, M., Jeanneau, A., Koekemoer, A. M., Mahler, G., Prieto Lyon, G., Acebron, A., Meneghetti, M., Niemiec, A., Zitrin, A., Bianconi, M., Connor, T., Cen, R., Edge, A., Faisst, A. L., …Weaver, J. R. (2022). Pilot-WINGS: An extended MUSE view of the structure of Abell 370. Monthly Notices of the Royal Astronomical Society, 514(1), 497-517. https://doi.org/10.1093/mnras/stac418

We investigate the strong-lensing cluster Abell 370 (A370) using a wide Integral Field Unit (IFU) spectroscopic mosaic from the Multi-Unit Spectroscopic Explorer (MUSE). IFU spectroscopy provides significant insight into the structure and mass conten... Read More about Pilot-WINGS: An extended MUSE view of the structure of Abell 370.

Revisiting the role of bars in AGN fuelling with propensity score sample matching (2022)
Journal Article
Silva-Lima, L. A., Martins, L. P., Coelho, P. R., & Gadotti, D. A. (2022). Revisiting the role of bars in AGN fuelling with propensity score sample matching. Astronomy & Astrophysics, 661, Article A105. https://doi.org/10.1051/0004-6361/202142432

The high luminosity displayed by an active galactic nucleus (AGN) requires that gas be transported to the centre of the galaxy by some mechanism. Bar-driven processes are often pointed out in this context and a number of studies have addressed the ba... Read More about Revisiting the role of bars in AGN fuelling with propensity score sample matching.

The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models (2022)
Journal Article
Santucci, G., Brough, S., van de Sande, J., McDermid, R. M., van de Ven, G., Zhu, L., D’Eugenio, F., Bland-Hawthorn, J., Barsanti, S., Bryant, J. J., M. Croom, S., Davies, R. L., Green, A. W., Lawrence, J. S., Lorente, N. P., Owers, M. S., Poci, A., Richards, S. N., Thater, S., & Yi, S. (2022). The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models. Astrophysical Journal, 930(2), Article 153. https://doi.org/10.3847/1538-4357/ac5bd5

Dynamical models are crucial for uncovering the internal dynamics of galaxies; however, most of the results to date assume axisymmetry, which is not representative of a significant fraction of massive galaxies. Here, we build triaxial Schwarzschild o... Read More about The SAMI Galaxy Survey: The Internal Orbital Structure and Mass Distribution of Passive Galaxies from Triaxial Orbit-superposition Schwarzschild Models.

Hitting a New Low: The Unique 28 hr Cessation of Accretion in the TESS Light Curve of YY Dra (DO Dra) (2022)
Journal Article
Hill, K. L., Littlefield, C., Garnavich, P., Scaringi, S., Szkody, P., Mason, P. A., Kennedy, M. R., Shaw, A. W., & Covington, A. E. (2022). Hitting a New Low: The Unique 28 hr Cessation of Accretion in the TESS Light Curve of YY Dra (DO Dra). Astronomical Journal, 163(6), Article 246. https://doi.org/10.3847/1538-3881/ac5a51

We present the Transiting Exoplanet Surveying Satellite light curve of the intermediate polar YY Draconis (YY Dra, also known as DO Dra). The power spectrum indicates that while there is stream-fed accretion for most of the observational period, ther... Read More about Hitting a New Low: The Unique 28 hr Cessation of Accretion in the TESS Light Curve of YY Dra (DO Dra).

The Fornax3D project: The environmental impact on gas metallicity gradients in Fornax cluster galaxies (2022)
Journal Article
Lara-López, M., Galán-de Anta, P., Sarzi, M., Iodice, E., Davis, T., Zabel, N., Corsini, E., de Zeeuw, P., Fahrion, K., Falcón-Barroso, J., Gadotti, D., McDermid, R., Pinna, F., Rodriguez-Gomez, V., van de Ven, G., Zhu, L., Coccato, L., Lyubenova, M., & Martín-Navarro, I. (2022). The Fornax3D project: The environmental impact on gas metallicity gradients in Fornax cluster galaxies. Astronomy & Astrophysics, 660, https://doi.org/10.1051/0004-6361/202142790

The effects of AGN feedback on the structural and dynamical properties of Milky Way-mass galaxies in cosmological simulations (2022)
Journal Article
Irodotou, D., Fragkoudi, F., Pakmor, R., Grand, R. J., Gadotti, D. A., Costa, T., Springel, V., Gómez, F. A., & Marinacci, F. (2022). The effects of AGN feedback on the structural and dynamical properties of Milky Way-mass galaxies in cosmological simulations. Monthly Notices of the Royal Astronomical Society, 513(3), 3738-3787. https://doi.org/10.1093/mnras/stac1143

Feedback from active galactic nuclei (AGNs) has become established as a fundamental process in the evolution of the most massive galaxies. Its impact on Milky Way (MW)-mass systems, however, remains comparatively unexplored. In this work, we use the... Read More about The effects of AGN feedback on the structural and dynamical properties of Milky Way-mass galaxies in cosmological simulations.

SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging (2022)
Journal Article
Chen, G. C.-F., Fassnacht, C. D., Suyu, S. H., Koopmans, L. V., Lagattuta, D. J., McKean, J. P., Auger, M. W., Vegetti, S., & Treu, T. (2022). SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging. Monthly Notices of the Royal Astronomical Society, 513(2), 2349-2359. https://doi.org/10.1093/mnras/stac1081

Strongly lensed quasars can provide measurements of the Hubble constant (H0) independent of any other methods. One of the key ingredients is exquisite high-resolution imaging data, such as Hubble Space Telescope (HST) imaging and adaptive-optics (AO)... Read More about SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging.