Distances to Astronomical Objects. Recap Distances in astronomy – Measuring distances directly with light travel time – Measuring distances geometrically.
Examples of Open Clusters The following Open Clusters are all young (less than a couple of hundred million years old) star clusters. The luminosity is.
Lecture 2 The distance scale. Apparent magnitudes The magnitude system expresses fluxes in a given waveband X, on a relative, logarithmic scale: Note.
Leaning objectives: Explain that: Elements as heavy as iron are formed inside stars by nuclear fusion. Heavier elements are formed in supernovas. Exploding.
Still Lost in Space Assignment 6 Model answer to Assignment Five plus the new data you’ve been asking for.
Observations of AXPs and SGRs: 1E 1048.1-5937 and SGR 1806-20 Andrea Tiengo (IASF-MI, Univ. Milano) S. Mereghetti, G. L. Israel, L. Stella, S. Zane, A.
Martin Elvis, Chandra X-ray Center Chandra: Revolution through Resolution.
PX269 Galaxies Dr Peter Wheatley [email protected] Office: PS009.
Asteroid Belt Kuiper Belt Oort cloud. Asteroid Belt Discovered in 1801. Piazza found Ceres. Olbers found Pallas. Previously predicted by Franz Xaver.
Galaxies and Cosmology Dr Nicola Loaring SALT/SAAO [email protected].
Phases of the Moon
Suzaku, XMM-Newton and Chandra Observations of the Central Region of M 31
