BU Crucis
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A Snapshot of the Jewel Box cluster with the ESO VLT.jpg
Författare/Upphovsman: ESO/Y. Beletsky, Licens: CC BY 4.0
The FORS1 instrument on the ESO Very Large Telescope (VLT) at ESO’s Paranal Observatory was used to take this exquisitely sharp close up view of the colourful Jewel Box cluster, NGC 4755. The telescope’s huge mirror allowed very short exposure times: just 2.6 seconds through a blue filter (B), 1.3 seconds through a yellow/green filter (V) and 1.3 seconds through a red filter (R).
Författare/Upphovsman: ESO/Y. Beletsky, Licens: CC BY 4.0
The FORS1 instrument on the ESO Very Large Telescope (VLT) at ESO’s Paranal Observatory was used to take this exquisitely sharp close up view of the colourful Jewel Box cluster, NGC 4755. The telescope’s huge mirror allowed very short exposure times: just 2.6 seconds through a blue filter (B), 1.3 seconds through a yellow/green filter (V) and 1.3 seconds through a red filter (R).
BUCruLightCurve.png
Författare/Upphovsman: PopePompus, Licens: CC BY-SA 4.0
A light curve for BU Crucis, adapted from Lefèvre et al., A&A 507, 1141–1201 (2009) DOI: 10.1051/0004-6361/200912304
Författare/Upphovsman: PopePompus, Licens: CC BY-SA 4.0
A light curve for BU Crucis, adapted from Lefèvre et al., A&A 507, 1141–1201 (2009) DOI: 10.1051/0004-6361/200912304
Crux IAU.svg
Författare/Upphovsman: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), Licens: CC BY 3.0
IAU Crux chart
Författare/Upphovsman: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg), Licens: CC BY 3.0
IAU Crux chart