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ALMA observes the full solar disc
A map of the whole disc of the Sun was also made with a single ALMA antenna, using a technique called fast-scanning, at a wavelength of 1.25 millimetres. The accuracy and speed of observing with a single ALMA antenna make it possible to produce a map of the entire solar disc in just a few minutes. These maps show the distribution of temperatures in the chromosphere over the whole disc at low spatial resolution and therefore complement the detailed interferometric images of individual regions of interest.
Mynd/Myndskeið:ALMA (ESO/NAOJ/NRAO)
Um myndina
Auðkenni: | eso1703c |
Tegund: | Reikistjörnu |
Útgáfudagur: | Jan 17, 2017, 15:00 CET |
Tengdar fréttatilkynningar: | eso1703 |
Stærð: | 1772 x 1772 px |
Um fyrirbærið
Nafn: | Sun |
Tegund: | Solar System : Star : Feature : Photosphere |
Flokkur: | Solar System |
Bakgrunnsmynd
Litir og síur
Tíðnisvið | Bylgjulengd | Sjónauki |
---|---|---|
Millímetri | 1.25 mm | Atacama Large Millimeter/submillimeter Array Band 6 |