Images of the silhouette disc and the bipolar reflection Nebula

Collection of images of the silhouette disc and, perpendicular to that, the bipolar reflection nebula of a young, massive star in M 17. These images were obtained in different optical and near-infrared wavebands with different instruments: EMMI at the ESO New Technology Telescope on La Silla (top row; wavelengths 0.45 [B-band], 0.55 [V-band], 0.8 µm [I-band], respectively) and ISAAC at the ESO Very Large Telescope on Cerro Paranal (bottom row; 1.25 [J], 1.65 [H] and 2.2 µm [K]). All images are centred on the central massive protostar and cover an area of 30 x 30 square arcsec, corresponding to 1.0 x 1.0 square light-years at the distance of M 17 (about 7,000 light-years). The obscuration diminishes with increasing wavelength and the background emission of the H II region becomes more and more evident (represented by entirely black colours at K).

Kredit:

ESO

O snímku

Id:eso0416e
Typ:Pozorování
Datum zveřejnění:12. května 2004
Související články:eso0416
Velikost:895 x 599 px

O objektu

Jméno:Messier 17
Typ:Milky Way : Star
Milky Way : Nebula : Type : Star Formation
Vzdálenost:5500 světelné roky
Kategorie:Nebulae

Image Formats

největší JPEG
130,6 KB

Pozadí

1024x768
165,8 KB
1280x1024
223,3 KB
1600x1200
288,3 KB
1920x1200
321,0 KB
2048x1536
390,7 KB

Barvy & filtry

PásmoVlnová délkaDalekohled
Optický
B
450 nmNew Technology Telescope
EMMI
Optický
V
550 nmNew Technology Telescope
EMMI
Infračervený
I
800 nmNew Technology Telescope
EMMI
Infračervený
J
1.25 μmVery Large Telescope
ISAAC
Infračervený
H
1.65 μmVery Large Telescope
ISAAC
Infračervený
K
2.2 μmVery Large Telescope
ISAAC