Trumpler 18
Data types
Fundamental
Coordinates J2000
Coordinates B1950
Positions
XY positions
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