A VLT Spectrum of EROS-BLG-2000-5

This chart shows a spectrum of EROS-BLG-2000-5, obtained with the FORS1 multi-mode instrument at the 8.2-m VLT ANTU telescope at Paranal on June 25, 2000, before the second caustic crossing described in the text. A small part of the spectrum around the H-alpha line at wavelength 656.2 nm is enlarged in the insert.

Technical information: The FORS1 spectrum shown here is a composite of 300-sec exposures taken with with the 600B (spectral interval 390 - 580 nm), 600R (538 - 753 nm) and 600I (705 - 918 nm) gratings; the insert covers a 10 nm wide region near H-alpha.

Credit:

ESO

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About the Image

Id:eso0117c
Type:Chart
Release date:25 April 2001
Related releases:eso0117
Size:3000 x 2079 px

About the Object

Name:EROS-BLG-2000-5
Type:• Milky Way : Star
• Milky Way : Cosmology : Phenomenon : Lensing
• X - Stars
Distance:25000 light years

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Colours & filters

BandTelescope
Optical Very Large Telescope
FORS1
Infrared Very Large Telescope
FORS1

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