Essential Radio Astronomy

Chapter 8 Color Plates

Figure 8.1: The 100-m Green Bank Telescope (GBT). Image credit: NRAO/AUI/NSF.
Figure 8.2: The 305-m Arecibo Telescope. Image courtesy of the NAIC–Arecibo Observatory, a facility of the NSF.
Figure 8.3: The Westerbork Synthesis Radio Telescope (WSRT) is an east–west linear array of equatorially mounted dishes. Image courtesy of Adrian Renting.
Figure 8.4: The 1 km “D” configuration of the Jansky Very Large Array (VLA) of 27 25-m telescopes located on the plains of San Augustin in New Mexico at 2100 m elevation. Image credit: NRAO/AUI/NSF.
Figure 8.5: The Atacama Large Millimeter Array (ALMA) is on an extremely high (5000 m) and dry desert plain near Cerro Chajnator in Chile. Image credit: ALMA (ESO/NAOJ/NRAO), J. Guarda (ALMA).
Figure 8.6: The CSIRO Australian Square Kilometre Array Pathfinder (ASKAP) with its multibeam phased-array feed designed to survey the sky rapidly. Image credit: CSIRO and Natasha Hurley-Walker.
Figure 8.7: One tile of the Murchison Widefield Array (MWA).[107] Image credit: CSIRO.
Figure 8.8: The core of LOFAR (LOw Frequency Array for Radio astronomy). Image credit: ASTRON and Top-Foto, Assen.
Figure 8.9: Dust emission from the protoplanetary disk of HL Tau. Image credit: ALMA (NRAO/ESO/NAOJ); C. Brogan, B. Saxton (NRAO/AUI/NSF).
Figure 8.10: Composite image of the Crab Nebula. Blue indicates X-rays (from Chandra), green is optical (from the HST), and red is radio (from the VLA). Image credit: J. Hester (ASU), CXC, HST, NRAO, NSF, NASA.
Figure 8.11: The 21-cm Hi line highlights cold hydrogen tidally torn from the galaxies in the M81 group [118]. Image credit: NRAO/AUI/NSF Investigators: Min S. Yun, Paul T. P. Ho, & K. Y. Lo.
Figure 8.12: The interaction history of the Antennae Galaxies NGC 4038 and NGC 4039 is revealed by their long Hi tidal tails (blue) and obscured star formation traced by CO emission (orange insert). Image credit: B. Saxton (NRAO/AUI/NSF) from data provided by ALMA (ESO/NAOJ/NRAO) and NASA/ESA.
Figure 8.13: Radio continuum emission from M82. Image credit: Josh Marvil (NM Tech/NRAO), Bill Saxton (NRAO/AUI/NSF), Hubble (NASA/ESA/STScI).
Figure 8.14: The radio galaxy Hercules A (3C 348). Image credit: NASA, ESA, S. Baum and C. O’Dea (RIT), R. Perley and W. Cotton (NRAO/AUI/NSF), and the Hubble Heritage Team (STScI/AURA).
Figure 8.15: The radio source (red) in the galaxy cluster MS0735.6+7421 has displaced the X-ray emitting gas (blue) [71]. Image credit: NASA, ESA, CXC, STScI, B. McNamara, NRAO/AUI/NSF, and L. Birzan & team.
Figure 8.16: Cosmic microwave background fluctuations [105].