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GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle (2019)
Journal Article
Poggianti, B. M., Ignesti, A., Gitti, M., Wolter, A., Brighenti, F., Biviano, A., …Omizzolo, A. (2019). GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle. The Astrophysical journal, 887(2), https://doi.org/10.3847/1538-4357/ab5224

With MUSE, Chandra, VLA, ALMA, and UVIT data from the GASP program, we study the multiphase baryonic components in a jellyfish galaxy (JW100) with a stellar mass 3.2 × 1011 Me hosting an active galactic nucleus (AGN). We present its spectacular extra... Read More about GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle.

GASP. XXII. The Molecular Gas Content of the JW100 Jellyfish Galaxy at z ∼ 0.05: Does Ram Pressure Promote Molecular Gas Formation? (2019)
Journal Article
Moretti, A., Paladino, R., Poggianti, B. M., Serra, P., Roediger, E., Gullieuszik, M., …Wolter, A. (2019). GASP. XXII. The Molecular Gas Content of the JW100 Jellyfish Galaxy at z ∼ 0.05: Does Ram Pressure Promote Molecular Gas Formation?. The Astrophysical journal, 889(1), . https://doi.org/10.3847/1538-4357/ab616a

Within the GASP survey, aimed at studying the effect of the ram-pressure stripping on the star formation quenching in cluster galaxies, we analyze here ALMA observations of the jellyfish galaxy JW100. We find an unexpected large amount of molecular g... Read More about GASP. XXII. The Molecular Gas Content of the JW100 Jellyfish Galaxy at z ∼ 0.05: Does Ram Pressure Promote Molecular Gas Formation?.

The Rotational Profiles of Cluster Galaxies (2019)
Journal Article
Bilton, L. E., Hunt, M., Pimbblet, K. A., & Roediger, E. (2019). The Rotational Profiles of Cluster Galaxies. Monthly notices of the Royal Astronomical Society, 490(4), 5017-5032. https://doi.org/10.1093/mnras/stz2927

We compile two samples of cluster galaxies with complimentary hydrodynamic and N-body analysis using FLASH code to ascertain how their differing populations drive their rotational profiles and to better understand their dynamical histories. We select... Read More about The Rotational Profiles of Cluster Galaxies.

The Rotational Profiles of Cluster Galaxies (2019)
Journal Article
Bilton, L. E., Hunt, M., Pimbblet, K. A., & Roediger, E. (2019). The Rotational Profiles of Cluster Galaxies. Monthly notices of the Royal Astronomical Society, 490(4), 5017-5032. https://doi.org/10.1093/mnras/stz2927

We compile two samples of cluster galaxies with complimentary hydrodynamic and N-body analysis using FLASH code to ascertain how their differing populations drive their rotational profiles and to better understand their dynamical histories. We select... Read More about The Rotational Profiles of Cluster Galaxies.

ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy (2019)
Journal Article
Jáchym, P., Kenney, J. D., Sun, M., Combes, F., Cortese, L., Scott, T. C., …Fumagalli, M. (2019). ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy. The Astrophysical journal, 883(2), https://doi.org/10.3847/1538-4357/ab3e6c

© 2019 The American Astronomical Society. All rights reserved. We present the first high-resolution map of the cold molecular gas distribution as traced by CO(2-1) emission with ALMA in a long ram pressure stripped tail. The Norma cluster galaxy ESO... Read More about ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy.

Extended X-ray study of M49: The frontier of the Virgo cluster (2019)
Journal Article
Su, Y., Kraft, R. P., Nulsen, P. E. J., Jones, C., Maccarone, T. J., Mernier, F., …Churazov, E. (2019). Extended X-ray study of M49: The frontier of the Virgo cluster. The Astronomical journal, 158(1), https://doi.org/10.3847/1538-3881/ab1d51

The M49 group, residing outside the virial radius of the Virgo cluster, is falling onto the cluster from the south. We report results from deep XMM-Newton mosaic observations of M49. Its hot gas temperature is 0.8 keV at the group center and rises to... Read More about Extended X-ray study of M49: The frontier of the Virgo cluster.

A new class of x-ray tails of early-type galaxies and subclusters in galaxy clusters: Slingshot tails versus ram pressure stripped tails (2019)
Journal Article
Sheardown, A., Fish, T. M., Roediger, E., Hunt, M., ZuHone, J., Su, Y., …De Grandi, S. (2019). A new class of x-ray tails of early-type galaxies and subclusters in galaxy clusters: Slingshot tails versus ram pressure stripped tails. The Astrophysical journal, 874(2), 112. https://doi.org/10.3847/1538-4357/ab0c06

We show that there is a new class of gas tails—slingshot tails—that form as a subhalo (i.e., a subcluster or early-type cluster galaxy) moves away from the cluster center toward the apocenter of its orbit. These tails can point perpendicular or even... Read More about A new class of x-ray tails of early-type galaxies and subclusters in galaxy clusters: Slingshot tails versus ram pressure stripped tails.

Close-up view of an ongoing merger between the NGC 4839 group and the Coma cluster – a post-merger scenario (2019)
Journal Article
Lyskova, N., Churazov, E., Zhang, C., Forman, W., Jones, C., Dolag, K., …Sheardown, A. (2019). Close-up view of an ongoing merger between the NGC 4839 group and the Coma cluster – a post-merger scenario. Monthly notices, containing papers, abstracts of papers, and reports of the proceedings of the Society, 485(2), 2922-2934. https://doi.org/10.1093/mnras/stz597

We study a merger of the NGC 4839 group with the Coma cluster using X-ray observations from the XMM–Newton and Chandra telescopes. X-ray data show two prominent features: (i) a long (∼600 kpc in projection) and bent tail of cool gas trailing (towards... Read More about Close-up view of an ongoing merger between the NGC 4839 group and the Coma cluster – a post-merger scenario.

Constraining gas motions in the intra-cluster medium (2019)
Journal Article
Simionescu, A., ZuHone, J., Zhuravleva, I., Churazov, E., Gaspari, M., Nagai, D., …Paerels, F. (2019). Constraining gas motions in the intra-cluster medium. Space Science Reviews, 215, https://doi.org/10.1007/s11214-019-0590-1

The detailed velocity structure of the diffuse X-ray emitting intra-cluster medium (ICM) remains one of the last missing key ingredients in understanding the microphysical properties of these hot baryons and constraining our models of the growth and... Read More about Constraining gas motions in the intra-cluster medium.

Variability and proper motion of x-ray knots in the jet of Centaurus A (2019)
Journal Article
Snios, B., Wykes, S., Nulsen, P. E. . J., Kraft, R. P., Meyer, E. T., Birkinshaw, M., …Jones, C. (2019). Variability and proper motion of x-ray knots in the jet of Centaurus A. The Astrophysical journal, 871(2), doi:10.3847/1538-4357/aafaf3

We report results from Chandra observations analyzed for evidence of variability and proper motion in the X-ray jet of Centaurus A. Using data spanning 15 years, collective proper motion of 11.3±3.3 mas yr−1, or 0.68±0.20c, is detected for the fainte... Read More about Variability and proper motion of x-ray knots in the jet of Centaurus A.

Spectacular Hubble Space Telescope observations of the Coma Galaxy D100 and Star Formation in Its Ram Pressure–stripped Tail (2019)
Journal Article
Cramer, W. J., Kenney, J. D. P., Sun, M., Crowl, H., Yagi, M., Jáchym, P., …Waldron, W. (2019). Spectacular Hubble Space Telescope observations of the Coma Galaxy D100 and Star Formation in Its Ram Pressure–stripped Tail. The Astrophysical journal, 870(2), 63. doi:10.3847/1538-4357/aaefff

We present new HST F275W, F475W, and F814W imaging of the region of the Coma cluster around D100, a spiral galaxy with a remarkably long and narrow (60 × 1.5 kpc) ram pressure–stripped gas tail. We find blue sources coincident with the Hα tail, which... Read More about Spectacular Hubble Space Telescope observations of the Coma Galaxy D100 and Star Formation in Its Ram Pressure–stripped Tail.

The recent growth history of the Fornax Cluster derived from simultaneous sloshing and gas stripping: Simulating the infall of NGC 1404 (2018)
Journal Article
Sheardown, A., Roediger, E., Su, Y., Kraft, R. P., Fish, T., ZuHone, J. A., …Nulsen, P. E. (2018). The recent growth history of the Fornax Cluster derived from simultaneous sloshing and gas stripping: Simulating the infall of NGC 1404. The Astrophysical journal, 865(2), 118. https://doi.org/10.3847/1538-4357/aadc0f

We derive the recent growth history of the Fornax Cluster, in particular the recent infall of the giant elliptical galaxy NGC 1404. We show, using a simple cluster minor merger simulation tailored to Fornax and NGC 1404, that a second or more likely... Read More about The recent growth history of the Fornax Cluster derived from simultaneous sloshing and gas stripping: Simulating the infall of NGC 1404.

Gas sloshing regulates and records the evolution of the Fornax Cluster (2017)
Journal Article
Su, Y., Nulsen, P. E., Kraft, R. P., Roediger, E., Zuhone, J. A., Jones, C., …Randall, S. W. (2017). Gas sloshing regulates and records the evolution of the Fornax Cluster. The Astrophysical journal, 851(1), 69. doi:10.3847/1538-4357/aa989e

We present results of a joint Chandra and XMM-Newton analysis of the Fornax Cluster, the nearest galaxy cluster in the southern sky. Signatures of merger-induced gas sloshing can be seen in the X-ray image. We identify four sloshing cold fronts in th... Read More about Gas sloshing regulates and records the evolution of the Fornax Cluster.

Uplift, Feedback, and Buoyancy: Radio Lobe Dynamics in NGC 4472 (2017)
Journal Article
Gendron-Marsolais, M., Kraft, R. P., Bogdan, A., Hlavacek-Larrondo, J., Forman, W. R., Jones, C., …Roediger, E. (2017). Uplift, Feedback, and Buoyancy: Radio Lobe Dynamics in NGC 4472. The Astrophysical journal, 848(1), 26. doi:10.3847/1538-4357/aa8a6f

© 2017. The American Astronomical Society. All rights reserved. We present results from deep (380 ks) Chandra observations of the active galactic nucleus (AGN) outburst in the massive early-type galaxy NGC 4472. We detect cavities in the gas coincide... Read More about Uplift, Feedback, and Buoyancy: Radio Lobe Dynamics in NGC 4472.

Stripped elliptical galaxies as probes of ICM physics : III. Deep Chandra observation of NGC 4552 - Measuring the viscosity of the intracluster medium (2017)
Journal Article
Kraft, R. P., Roediger, E., Machacek, M., Forman, W. R., Nulsen, P. E., Jones, C., …Sheardown, A. (2017). Stripped elliptical galaxies as probes of ICM physics : III. Deep Chandra observation of NGC 4552 - Measuring the viscosity of the intracluster medium. The Astrophysical journal, 848(1), doi:10.3847/1538-4357/aa8a6e

We present results from a deep (200 ks) Chandra observation of the early-type galaxy NGC 4552 (M89) which is falling into the Virgo cluster. Previous shallower X-ray observations of this galaxy showed a remnant gas core, a tail to the South of the ga... Read More about Stripped elliptical galaxies as probes of ICM physics : III. Deep Chandra observation of NGC 4552 - Measuring the viscosity of the intracluster medium.

The infall of the Virgo elliptical galaxy M60 toward M87 and the gaseous structures produced by Kelvin-Helmholtz instabilities (2017)
Journal Article
Wood, R. A., Jones, C., Machacek, M. E., Forman, W. R., Bogdan, A., Andrade-Santos, F., …Roediger, E. (2017). The infall of the Virgo elliptical galaxy M60 toward M87 and the gaseous structures produced by Kelvin-Helmholtz instabilities. The Astrophysical journal, 847(1), doi:10.3847/1538-4357/aa8723

We present Chandra observations of hot gas structures, characteristic of gas stripping during infall, in the Virgo cluster elliptical galaxy M60 (NGC4649) located 1 Mpc east of M87. 0.5−2 keV Chandra X-ray images show a sharp leading edge in the surf... Read More about The infall of the Virgo elliptical galaxy M60 toward M87 and the gaseous structures produced by Kelvin-Helmholtz instabilities.

Deep Chandra observations of the stripped galaxy group falling into Abell 2142 (2017)
Journal Article
Eckert, D., Gaspari, M., Owers, M. S., Molendi, S., Gastaldello, F., Paltani, S., …Venturi, T. (2017). Deep Chandra observations of the stripped galaxy group falling into Abell 2142. Astronomy and Astrophysics, 605(September), A25. https://doi.org/10.1051/0004-6361/201730555

In the local Universe, the growth of massive galaxy clusters mainly operates through the continuous accretion of group-scale systems. The infalling group in Abell 2142 is the poster child of such an accreting group, and as such, it is an ideal target... Read More about Deep Chandra observations of the stripped galaxy group falling into Abell 2142.

Molecular gas dominated 50 kpc ram pressure stripped tail of the Coma galaxy D100 (2017)
Journal Article
Jáchym, P., Sun, M., Kenney, J. D. P., Cortese, L., Combes, F., Yagi, M., …Roediger, E. (2017). Molecular gas dominated 50 kpc ram pressure stripped tail of the Coma galaxy D100. The Astrophysical journal, 839(2), 114 . https://doi.org/10.3847/1538-4357/aa6af5

We have discovered large amounts of molecular gas, as traced by CO emission, in the ram pressure stripped gas tail of the Coma cluster galaxy D100 (GMP 2910), out to large distances of about 50 kpc. D100 has a 60 kpc long, strikingly narrow tail whic... Read More about Molecular gas dominated 50 kpc ram pressure stripped tail of the Coma galaxy D100.

Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745 (2017)
Journal Article
van Weeren, R. J., Ogrean, G. A., Jones, C., Forman, W. R., Andrade-Santos, F., Pearce, C. J. J., …Zitrin, A. (2017). Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745. The Astrophysical journal, 835(2), 197. doi:10.3847/1538-4357/835/2/197

To investigate the relationship between thermal and non-thermal components in merger galaxy clusters, we present deep JVLA and Chandra observations of the HST Frontier Fields cluster MACS J0717.5+3745. The Chandra image shows a complex merger event,... Read More about Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745.

Capturing the 3D motion of an infalling galaxy via fluid dynamics (2017)
Journal Article
Su, Y., Kraft, R. P., Nulsen, P. E. J., Roediger, E., Forman, W. R., Churazov, E., …Machacek, M. E. (2017). Capturing the 3D motion of an infalling galaxy via fluid dynamics. The Astrophysical journal, 835(1), 19. doi:10.3847/1538-4357/835/1/19

The Fornax Cluster is the nearest galaxy cluster in the southern sky. NGC 1404 is a bright elliptical galaxy falling through the intracluster medium of the Fornax Cluster. The sharp leading edge of NGC 1404 forms a classical "cold front" that separat... Read More about Capturing the 3D motion of an infalling galaxy via fluid dynamics.


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