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Massive Star cluster formation under the microscope at z=6
E. Vanzella, F. Calura, M. Meneghetti +12
We report on a superdense star-forming region with an effective radius (R_e) smaller than 13 pc identified at z=6.143 and showing a star-formation rate density Σ_SFR~1000 Msun/yr/k…
Dissection of the collisional and collisionless mass components in a mini sample of CLASH and HFF massive galaxy clusters at
M. Bonamigo, C. Grillo, S. Ettori +7
We present a multi-wavelength study of the massive (-) galaxy clusters RXC J2248.74431, MACS J0416.12403, and MACS J120…
The Kormendy Relation of Galaxies in the Frontier Fields Clusters: Abell S1063 and MACS J1149.5+2223
Luca Tortorelli, Amata Mercurio, Maurizio Paolillo +12
We analyse the Kormendy relations (KRs) of the two Frontier Fields clusters, Abell S1063, at z = 0.348, and MACS J1149.5+2223, at z = 0.542, exploiting very deep Hubble Space Teles…
The 500 ks Chandra observation of the z = 6.31 QSO SDSS J1030+0524
R. Nanni, R. Gilli, C. Vignali +23
We present the results from a ks Chandra observation of the QSO SDSS J1030+0524. This is the deepest X-ray observation to date of a QSO. The QSO is dete…
Kinematics of the SN Refsdal host revealed by MUSE: a regularly rotating spiral galaxy at z~1.5
E. M. Di Teodoro, C. Grillo, F. Fraternali +11
We use Multi Unit Spectroscopic Explorer (MUSE) observations of the galaxy cluster MACS J1149.5+2223 to explore the kinematics of the grand-design spiral galaxy Sp1149 hosting the…
Measuring the value of the Hubble constant "à la Refsdal"
C. Grillo, P. Rosati, S. H. Suyu +8
Realizing Refsdal's original idea from 1964, we present estimates of the Hubble constant that are complementary to and potentially competitive with those of other cosmological prob…