SINFONI Observations of the Young Starforming Galaxies BX 404/405
The distant galaxy pair BX 404/405, as recorded in the K-band (wavelength 2 µm, centered on the redshifted H-alpha line), without AO-correction because of the lack of a nearby, sufficiently bright "guide" star. The width of each slitlet was 0.25 arcsec and the seeing about 0.6 arcsec. The integration time on the galaxy was 2 hours "on-source". The image shown has been reconstructed by combining all of the spectral elements around the H-alpha spectral line. The spectrum of BX 405 (upper right) clearly reveals signs of a velocity shear while that of BX 404 does not. This may be a sign of rotation, a possible signature of a young disc in this galaxy.
Credit:
ESO
About the Image
| Id: | eso0426o |
| Type: | Collage |
| Release date: | 24 August 2004 |
| Related releases: | eso0426 |
| Size: | 935 x 599 px |
About the Object
| Name: | BX 404/405 |
| Type: | • Early Universe : Galaxy • X - Galaxies |
Colours & filters
| Band | Wavelength | Telescope |
| Infrared K |
2.0 μm | Very Large Telescope SINFONI |
Images
Wallpapers
