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"Visibility Curve" of the star Psi Phoenicis
This chart shows the "visibility curve" for the red giant star Psi Phoenicis as measured on two nights (16 data sets; three points to the right) with two VLT UTs (ANTU + MELIPAL) for three different positions in the sky and on four nights with the 40-cm test siderostats on a shorter 16-m baseline (8 data sets; one point to the left); see the text below. From the fitted curve, a preliminary value of the angular diameter is 8.21 ± 0.02 milli-arcsec (mas).
Kredit:ESO
O snímku
Id: | eso0134e |
Typ: | Mapa |
Datum zveřejnění: | 5. listopadu 2001 |
Související články: | eso0134 |
Velikost: | 686 x 684 px |
O objektu
Jméno: | Psi Phoenicis |
Typ: | Milky Way : Star : Type : Variable : Pulsating |
Vzdálenost: | 5500 světelné roky |
Kategorie: | Stars |