1 / 16

PX437 EXOPLANETS

PX437 EXOPLANETS. Peter Wheatley (PS009) p.j.wheatley@warwick.ac.uk. Outline. Before Exoplanets Detecting exoplanets Direct imaging Reflex Motion of Star Transiting exoplanets Planet Formation Extra-Terrestial Life. Terrestrial planets. Gas giants. Ice giants. Asteroid belt.

dacian
Download Presentation

PX437 EXOPLANETS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. PX437 EXOPLANETS Peter Wheatley (PS009) p.j.wheatley@warwick.ac.uk

  2. Outline • Before Exoplanets • Detecting exoplanets • Direct imaging • Reflex Motion of Star • Transiting exoplanets • Planet Formation • Extra-Terrestial Life

  3. Terrestrial planets Gas giants Ice giants Asteroid belt Kuiper belt IAU

  4. Planets, dwarf planets, small solar-system bodies Ceres: dwarf planet Typical asteroid: small solar-system body HST

  5. Evolutionary tracks Burrows et al. 1997, ApJ 491, 856 Stars Brown dwarfs Planets Jupiter Saturn

  6. Composition of the giant planets Stevenson 1982 AREPS 10, 257

  7. Tidal model Stephen Oxley

  8. Discovery of debris around Vega Observed IR spectrum with 10,000 K black body subtracted IRAS observation: Temperature ~ 85 K Extent ~ 20 arcsec ~ 85 AU Aumann et al. 1984, ApJL 278, 23

  9. Imaging of the debris disc around beta Pictoris Smith & Terrile 1984, Science 266, 1421 HST

  10. McCaughrean & O’Dell 1996 AJ 111, 1977 Protoplanetary discs in Orion with HST

  11. MgII FeII CaII Debris discs around white dwarf stars Gaensicke et al. 2006, Science 314, 1908

  12. Debris discs around white dwarf stars Rin  0.7R Rout  1.2R e  0.02

  13. Debris discs around white dwarf stars Rin  0.7R Rout  1.2R e  0.02

  14. Debris discs around white dwarf stars Rin  0.7R Rout  1.2R e  0.02

More Related