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Star formation and environment in clusters up to z~2.2
A. Raichoor, S. Andreon
The dependence of galaxy star formation activity on environment - especially in clusters - at high redshift is still poorly understood, as illustrated by the still limited number o…
Early-type galaxies at z~1.3. IV. Scaling relations in different environments
A. Raichoor, S. Mei, S. A. Stanford +15
We present the Kormendy and mass-size relations for early-type galaxies (ETGs) as a function of environment at z~1.3. Our sample includes 76 visually classified ETGs with masses 10…
Early-Type galaxies at z ~ 1.3. III. On the dependence of Formation Epochs and Star Formation Histories on Stellar Mass and Environment
Alessandro Rettura, S. Mei, S. A. Stanford +20
We study the environmental dependence of stellar population properties at z ~ 1.3. We derive galaxy properties (stellar masses, ages and star formation histories) for samples of ma…
Early-type galaxies at z~1.3. II. Masses and ages of early-type galaxies in different environments and their dependence on stellar population model assumptions
A. Raichoor, S. Mei, F. Nakata +14
We have derived masses and ages for 79 early-type galaxies (ETGs) in different environments at z~1.3 in the Lynx supercluster and in the GOODS/CDF-S field using multiwavelength (0.…
Near-infrared jet emission in the microquasar XTE J1550-564
Sylvain Chaty, Guillaume Dubus, Anand Raichoor
Context: Microquasars are accreting Galactic sources that are also observed to launch relativistic jets. A key signature of the ejection is non-thermal radio emission. The level of…