astrometer

n.

天体光度计；

The Photometric Properties of the HST Astrometer Fine Guidance Sensor
Fringe Interferometry in Space: The Fine Structure of R136A with the Astrometer HNE Guidance Sensor Aboard HST
FGS1R, Potentially HSTs Best Astrometer
Fringe Interferometry in Space: The Fine Structure of R136a with the Astrometer Fine Guidance Sensor Aboard HST
The Photometric Calibration of the Astrometer FGS on the Hubble Space Telescope
The Photometric Calibration of the Astrometer FGS on the Hubble Space Telescope
Space telescope phase B definition study. Volume 2A: Science instruments, astrometer
The Photometric Calibration of the Astrometer FGS on the Hubble Space Telescope
On a New Astrometer
Automation of an Iris Astrophotometer