Category Archives: Project Development

The HPF cryostat test drive: sub-milliKelvin temperature stability

Background: the need to cool HPF down to 180K One of the most frequently discussed topics on this blog has been the need to enclose the HPF instrument in a stable, cold environment.  Because HPF will observe stars in infrared … Continue reading

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We Have a Cryostat

If you have been following the blog up to now, you have seen our discussion of the technical requirements and specifications for our cryostat — the giant, temperature-controlled vacuum chamber that will house the HPF instrument.  The cryostat has been in … Continue reading

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HPF Thermal Enclosure Setup at McDonald Observatory

Three members of the HPF team recently visited McDonald Observatory in Texas recently, with two goals in mind: Install the HPF thermal enclosure Setup a temperature monitoring system in the spectrograph room Installing the HPF Thermal Enclosure The HPF spectrograph … Continue reading

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