| age of a globular cluster | main sequence stars of a open cluster | stellar evolution of clusters | |
|---|---|---|---|
| Teachers' guide | Teachers' guide (common) | ||
| Worksheet | age of a globular cluster | main sequence stars of a open cluster | stellar evolution of clusters |
| FITS data | globular cluster NGC362 (age: 8.3 Gyr) HST WFPC2 data camera rotation angle: 141 degree calibrated (sky-level, [BV] level adjusted) 2.6MB each B( CCD#1, CCD#2, CCD#3, CCD#4), V( CCD#1, CCD#2, CCD#3, CCD#4) |
open cluster M38 (NGC1912, age: 320 Myr) Kiso Obs. 2KCCD data calibrated (sky-level, [BV] level adjusted, trimmed) B, V 4MB each |
<-- Download data of both clusters |
| Image of cluster | 30'x30' (93kB gif) | 30'x30' (158kB gif), 60'x60' (165kB gif), 120'x120' (418kB png) |
|
| Excel macro for color-magnitude diagram | absolute magnitude,
apparent magnitude (sorry, in Japanese), sample data(B, V) |
absolute magnitude,
apparent magnitude (sorry, in Japanese), sample data(B, V) sample result(absolute magnitude) |
|
| Color-magnitude diagram IRAF DAOPHOT | NGC362 B-V( gif, eps) | M38 (NGC1912) B-V( gif, eps) | --- |
| Stellar evolution isochrone curve (Bertelli G., et al., A&AS, 106, 275, 1994) |
README,
16Myr,
100Myr,
300Myr,
1.0Gyr,
10Gyr,
15Gyr Excel sheet, graph |
||
[NOTE] You can improve the worksheets (MS Word files) before using it in your classroom.
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