The properties of galaxies depend on their environment: red, passive elliptical galaxies are usually located in denser environments than blue, star-forming...
ITEMS Project: An online sequence for teaching mathematics and astronomy
This work describes an elearning sequence for teaching geometry and astronomy in lower secondary school created inside the ITEMS (Improving Teacher Education in...
Background information is presented on the T Tauri stars observed with the IUE until the end of 1994. The log of observations and the UV spectrum are provided...
The table contains the R.A., Dec., optical and near-IR photometry of candidate members studied in the paper. Optical broad-band photometry is taken with the...
IzJHKs photometry of Collinder 359 (Lodieu+, 2006)
Catalogue of cluster member candidates in Collinder 359, assuming a distance of 450pc and an age of 60Myr for the cluster. The total number of sources is 506...
IZw18 has a Dynamically Associated Companion Galaxy
We present kinematical evidence that the irregular galaxy located 26'' northwest of IZw18 -the most metal-poor blue-compact-dwarf (BCD) galaxy known- is a...