Senior Physics and Physics Honours 2004

Astrophysics of Galaxies: Dick Hunstead

Colour and greyscale images used in the lecture course can be viewed or downloaded by clicking on the filename. Refer to the photocopied handouts of the viewgraphs to identify each image.

Lecture 1: Introduction to galaxies

• VLA radio image of Galactic Centre (NRAO/AUI/NSF)
• Far-infrared view of our Galaxy (COBE/DIRBE/NASA)
• Tidal interactions in M81 galaxy group (NRAO/AUI/NSF)
• Ultraluminous infrared galaxy Arp 220 (HST/NASA)
• Interacting galaxies ("The Antennae") (HST/NASA)
• Gravitational lensing by galaxy cluster A2218 (HST/NASA)
• Supernova 1994D (HST/NASA)
• Star-forming dwarf galaxy 1 Zw 18 (Izotov et al 1999, ApJ 527, 757)
• Hubble Deep Field South montage (HST/NASA)
• Hubble Deep Field South (colour) (HST/NASA)
• HDF-S quasar field (STIS) (HST/NASA)
• Active galaxy M106 (=NGC 4258) (NRAO/AUI/NSF)
• Optical image of M 87 in the Virgo cluster (AAT)
• Radio images of M 87 (NRAO/AUI/NSF)

Lecture 2: The stellar component

• Hubble Deep Field (North) (HST/NASA)
• Palomar Sky Survey image of HDF-North (DSS/STScI)

Lecture 3: Galaxy masses and internal dynamics

• Rotation curve for the spiral galaxy NGC 5746 (www.astr.ua.edu/gifimages/ngc5746.html)
• Rotation curve for M84 with the Space Telescope Imaging Spectrograph (HST/NASA)
• False colour ROSAT X-ray image of the galaxy cluster A3667 overlaid with MOST radio contours (ESA/NASA/MOST)
• Rich galaxy cluster A2218 with distorted gravitationally-lensed images of background galaxies (HST/NASA)
• central regions of the globular cluster Omega Centauri (HST/NASA)

Lecture 4: Interstellar medium

• Interacting galaxies ("The Antennae") at optical wavelengths (HST/NASA)
• Interacting galaxies ("The Antennae") at X-ray wavelengths (Chandra X-ray Observatory/NASA)
• Chandra X-ray image of the Andromeda galaxy M31 (Chandra X-ray Observatory)
• Radio image of Jupiter at 22cm wavelength made with the Australia Telescope Compact Array (ATNF/R. Sault)
• Radio image of Jupiter at 13cm wavelength made with the Australia Telescope Compact Array (ATNF/R. Sault)
• Radio images of Jupiter at 20cm (VLA) before and after the SL-9 comet crash (VLA/I de Pater)
• HST image of Jupiter (HST/NASA)
• ATCA 22cm pseudo-3D image of Jupiter just after the SL-9 crash, showing magnetic and spin axes (ATNF/R Sault)

Lecture 5: H II regions

• Ring nebula M57 in the light of He II (blue), [O III] (green) and [N II] (red) (HST/NASA)
• Interacting galaxies ("The Antennae") at optical wavelengths (HST/NASA)
• Interacting galaxies ("The Antennae") in the light of H-alpha, marking the star=forming regions (HST/NASA)
• Astronomer William Huggins (1824-1910)
• Planetary nebula NGC6543 in the light of H-alpha (red), [O I] (blue) and [N II] (green) (HST/NASA)
• Energy level diagram for O III showing the forbidden transitions of 'nebulium'

Lecture 6: Interstellar dust

• HST mosaic of the Orion nebula (HST/NASA)
• X-ray image of the hot young star cluster exciting the Orion nebula (Chandra X-ray Observatory)
• Close-up view of the Lagoon nebula (M8) (HST/NASA)
• Pleiades star cluster showing scattered light from the bright stars (ROE/AAO)
• Keyhole nebula in Carina (HST/NASA)
• Central dust lane in the active galaxy Centaurus A at optical wavelengths (HST/NASA)
• Central dust lane in the active galaxy Centaurus A at optical and near-infrared wavelengths (HST/NASA)
• Gas and dust pillars in the Eagle Nebula (M16) (HST/NASA)
• Luminous disk of material around the star Beta Pictoris (HST/NASA)
• Radio to far-infrared spectrum of the starforming galaxy M82 (Condon 1992, ARAA 30, 575)

Lecture 7: Star formation

• Star forming regions in the 30 Doradus Nebula in the Large Magellanic Cloud (HST/NASA)
• Massive star birth revealed through near-infrared images (HST/NASA)
• Star birth clouds in M16 (HST/NASA)
• Jets from a protostar HH211 revealed in CO emission
• Cartoon representation of the circumstellar accretion disk and jets from a protostar
• Jets in three protostars (HST/NASA)

Lecture 8: Supernovae

• Supernova 1994D in NGC 4526 (HST/NASA)
• Several SN figures in gzipped postscript format (B Gaensler)
• High redshift supernovae imaged with HST (HST/NASA)
• Two new supernovae at z=1 (gzipped postscript file) (B Schmidt)
• Supernova at z=1.23 (B Schmidt)
• MOST image of the field of SN1987A at 843 MHz (Ball et al 2001, ApJ 549, 599)
• MOST light curve for SN1987A (Ball et al 2001, ApJ 549, 599)
• Time sequence of 8GHz images of SN1987A obtained with the Australia Telescope Compact Array (B Gaensler)
• Pre-existing rings of material around SN 1987A (HST/NASA)
• Supernova shock from SN 1987A excites the circumstellar material ejected in the blue giant phase (HST/NASA)
• 10-year montage showing how the supernova shock from SN 1987A has progressively lit up the circumstellar material ejected in the blue giant phase (HST/NASA)
• Chandra X-ray image of SN1987A overlaid with HST optical contours (HST/Chandra X-ray Observatory/NASA)
• (Top) HST optical (L) and ATCA radio (R), (Bottom) Chandra 6 Oct 99 (L) and 17 Jan 00 (R) (HST/Chandra/ATNF/NASA)

Lecture 9: Introduction to Active Galactic Nuclei

• Discoverer of quasars, Maarten Schmidt (Time magazine)
• Spectrum of the first quasar 3C 273 showing the redshifted Balmer lines
• Variability of quasar 3C279 from historical plates
• Cartoon showing how variability timescale limits the size of a quasar
• Optical jet in 3C273 (HST/NASA)
• 3C 273 jet at radio, optical and X-ray wavelengths (HST/Chandra/NASA)
• HST image of the nucleus of the radio galaxy NGC 4261 (HST/NASA)
• VLA image of the quasar 3C 334 (NRAO/AUI/NSF)
• Radio images of M 87 at different angular resolutions (NRAO/AUI/NSF)
• HST images of the host galaxies of nearby quasars (HST/NASA)

Lecture 10: Unified models for active galaxies

• Active galaxy M106 (=NGC 4258) (NRAO/AUI/NSF)
• Maser spots used to define central BH mass in NGC 4258 (NRAO/AUI/NSF)
• Montage of spectra of active galaxies
• Core of the active galaxy NGC 4261 showing the hot accretion disk (bright central pixels) (HST/NASA)
• Core of the active galaxy NGC 7052 showing the central accretion disk and illuminated sector of the torus (HST/NASA)
• Artist's impression of a binary star system in which the primary is a black hole
• Jets in three protostars (HST/NASA)

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