HST ACS/WFC image of NGC 3021
This is a NASA/ESA Hubble Space Telescope photo of the spiral galaxy NGC 3021. This was one of several hosts of recent Type Ia supernovae observed by astronomers to refine the measure of the universe's expansion rate, called the Hubble constant.
Credit:NASA, ESA and A. Riess (STScI/JHU)
About the Image
About the Object
| Name: | NGC 3021 |
| Type: | Local Universe : Star : Type : Variable Local Universe : Galaxy : Type : Spiral |
| Distance: | 90 million light years |
| Constellation: | Leo Minor |
| Category: | Stars |
Coordinates
| Position (RA): | 9 50 57.68 |
| Position (Dec): | 33° 33' 17.08" |
| Field of view: | 1.53 x 1.76 arcminutes |
| Orientation: | North is 113.8° left of vertical |
View in ESASky:
View in WorldWide Telescope:
Colours & filters
| Band | Wavelength | Telescope |
|---|---|---|
| Optical V | 555 nm |
Hubble Space Telescope
ACS |
| Infrared I | 814 nm |
Hubble Space Telescope
ACS |
| Infrared H | 1.6 μm |
Hubble Space Telescope
NICMOS |