The sky around the galaxy NGC 4993

eso_eso1733i October 16th, 2017

Credit: ESO and Digitized Sky Survey 2

This wide-field image generated from the Digitized Sky Survey 2 shows the sky around the galaxy NGC 4993. This galaxy was the host to a merger between two neutron stars, which led to a gravitational wave detection, a short gamma-ray burst and an optical identification of a kilonova event.

Provider: European Southern Observatory

Image Source: https://www.eso.org/public/images/eso1733i/

Curator: European Southern Observatory, 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 4993
Subject - Local Universe: Galaxy > Type > Elliptical

Position Details

Position (ICRS): RA = 13h 9m 47.3s; DEC = -23° 22’ 51.2”
Orientation: North is 0.5° CW
Field of View: 2.7 x 1.8 degrees
Constellation: Hydra

Color Mapping

Telescope	Spectral Band	Wavelength
DSS2 (None)	Optical (I)	630.0 nm
None (None)	Optical	630.0 nm
None (None)	Optical	797.5 nm
DSS2 (None)	Optical (R)	630.0 nm
DSS2 (None)	Optical (R)	630.0 nm
DSS2 (None)	Optical (I)	797.5 nm

ID: eso1733i
Subject Category: C.5.1.4
Subject Name: NGC 4993
Credits: ESO and Digitized Sky Survey 2

Release Date: 2017-10-16T16:00:00
Lightyears
Redshift
Reference Url: https://www.eso.org/public/images/eso1733i/

Type: Observation
Image Quality
Distance Notes

Facility: Digitized Sky Survey 2, None, None, Digitized Sky Survey 2, Digitized Sky Survey 2, Digitized Sky Survey 2
Instrument: None, None, None, None, None, None
Color Assignment: Blue, Green, Green, Blue, Green, Green

Band: Optical, Optical, Optical, Optical, Optical, Optical
Bandpass: I, -, -, R, R, I
Central Wavelength: 630, 630, 797.5, 630, 630, 797.5

Start Time
Integration Time
Dataset ID
Notes

Coordinate Frame: ICRS
Equinox: J2000
Reference Value: 197.447254072, -23.3808836092
Reference Dimension: 9696.0, 6221.0

Reference Pixel: 4848.0, 3110.0
Scale: -0.00028356133051, 0.00028356133051
Rotation: -0.46000000000000008
Coordinate System Projection:: TAN

Quality: Full
FITS Header
Notes

Creator (Curator): European Southern Observatory
URL: http://www.eso.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: European Southern Observatory
Publisher ID: eso
Resource ID: eso1733i

Resource URL: https://www.eso.org/public/archives/images/original/eso1733i.tif
Related Resources

Metadata Date: 2017-10-04T17:16:01+02:00
Metadata Version: 1.1

Detailed color mapping information coming soon...

There is no distance meta data in this image.