Trumpler 18
Data types
Fundamental
Coordinates J2000
Coordinates B1950
Positions
XY positions
Cross-identifications 1
Cross-references 2
IDS identification
Absolute p.m.
Photometry
UBV
uvby
uvby mean
ß data
ß mean
Geneva 7-col
Geneva
Walraven
VRIc data
UBV CCD
VRIc CCD
byHalpha
UBV pg
RGU data
Spectroscopy
MK types
MK selected
HD types
Miscellanous
Membership
Lynga info
Alter bibliography
Notes
Star lists
Blue stragglers