HST ACS/WFC image of NGC 3021

esahubble_opo0908b May 7th, 2009

Credit: NASA, ESA and A. Riess (STScI/JHU)

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.

Provider: Hubble Space Telescope | ESA

Image Source: https://www.spacetelescope.org/images/opo0908b/

Curator: ESA/Hubble, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

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Image Details

Image Type: Observation
Object Name: NGC 3021
Subject - Local Universe: Star > Type > Variable; Galaxy > Type > Spiral

Position Details

Position (ICRS): RA = 9h 50m 57.7s; DEC = 33° 33’ 17.1”
Orientation: North is 113.8° CCW
Field of View: 1.5 x 1.8 arcminutes
Constellation: Leo Minor

Color Mapping

Telescope	Spectral Band	Wavelength
Hubble (NICMOS)	Infrared (H)	1.6 µm
Hubble (ACS)	Infrared (I)	814.0 nm
Hubble (ACS)	Optical (V)	555.0 nm

ID: opo0908b
Subject Category: C.3.2.1 C.5.1.1
Subject Name: NGC 3021
Credits: NASA, ESA and A. Riess (STScI/JHU)

Release Date: 2009-05-07T15:00:00
Lightyears
Redshift
Reference Url: https://www.spacetelescope.org/images/opo0908b/

Type: Observation
Image Quality
Distance Notes

Facility: Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument: NICMOS, ACS, ACS
Color Assignment: Grayscale, Grayscale, Grayscale

Band: Infrared, Infrared, Optical
Bandpass: H, I, V
Central Wavelength: 1600, 814, 555

Start Time
Integration Time
Dataset ID
Notes

Coordinate Frame: ICRS
Equinox: J2000
Reference Value: 147.740315048, 33.5547443273
Reference Dimension: 1838.0, 2119.0

Reference Pixel: 920.0, 1061.0
Scale: -1.38791886339e-05, 1.38791886339e-05
Rotation: 113.76999999999998
Coordinate System Projection:: TAN

Quality: Full
FITS Header
Notes

Creator (Curator): ESA/Hubble
URL: http://www.spacetelescope.org/
Name
Email

Telephone
Address: Karl-Schwarzschild-Strasse 2
City: Garching bei München
State/Province

Postal Code: D-85748
Country: Germany
Rights: Creative Commons Attribution 4.0 International License

Publisher: ESA/Hubble
Publisher ID: esahubble
Resource ID: opo0908b

Resource URL: http://www.spacetelescope.org/static/archives/images/original/opo0908b.tif
Related Resources

Metadata Date: 2009-05-08T16:45:19+02:00
Metadata Version: 1.1

Detailed color mapping information coming soon...

There is no distance meta data in this image.