A Bowshock Nebula Near the Neutron Star RXJ 18565-3754

False-colour composite photo of the sky field with the lonely neutron star RX J1856.5-3754 and the related cone-shaped nebula. It is based on a series of exposures obtained with the multi-mode FORS2 instrument at VLT KUEYEN through three different optical filters: R (29 exposures of 136 sec each; ~1.1 hrs total; here rendered as green); H-alpha (19; 1020 sec; ~5.5 hrs; red); and B (10; 138 sec; ~0.4 hrs; blue). The seeing was good to excellent during the exposures (0.66 arcsec on average). The trails of some moving objects, most likely asteroids in the solar system, are seen in the field with intermittent blue, green and red colours. The large field measures 6.6 x 6.7 arcmin 2, with 0.2 arcsec/pixel. North is to the lower right and East is upper right. The motion of the neutron star as seen on the sky (see the text) is towards East, exactly in the direction indicated by the nebula.

Credit:

ESO

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About the Image

Id:eso0029a
Type:Observation
Release date:11 September 2000
Related releases:eso0029
Size:1975 x 1995 px

About the Object

Name:RX J1856.5-3754
Type:• Milky Way : Star : Evolutionary Stage : Neutron Star
• X - Nebulae
Distance:450 light years

Image Formats

Screensize JPEG
727.3 KB

Wallpapers

1024x768
606.9 KB
1280x1024
949.1 KB
1600x1200
1.3 MB
1920x1200
1.5 MB
2048x1536
1.9 MB

Colours & filters

BandTelescope
Optical
B
Very Large Telescope
FORS2
Optical
R
Very Large Telescope
FORS2
Optical
H-alpha
Very Large Telescope
FORS2

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