The Local Group dwarf galaxy Sextans A

The Local Group dwarf galaxy Sextans A, as observed with the KPNO Mayall 4-m telescope and Mosaic camera as part of the NOAO-sponsored Local Group Survey (PI: Philip Massey, Lowell Observatory). The image is a true-color combination of images in three of the filters used by the survey. The full complement of survey data include images in broad-band/ UBVRI/, as well as through filters centered on the H-alpha, [SII], and [OIII] emission lines. All of the data, description of the analysis, and UBVRI photometry are available through the Local Group Survey website.

Credit:
P. Massey/Lowell Observatory and K. Olsen/NOIRLab/NSF/AURA/

About the Image

Id:noao-sexa
Type:Observation
Release date:June 30, 2020, 9:33 p.m.
Size:4193 x 6101 px

About the Object

Name:Sextans A
Constellation:Sextans
Category:Galaxies

Image Formats

Large JPEG
5.1 MB
Screensize JPEG
246.1 KB

Zoomable


Wallpapers

1024x768
168.7 KB
1280x1024
262.9 KB
1600x1200
382.6 KB
1920x1200
476.2 KB
2048x1536
635.9 KB

Coordinates

Position (RA):10 11 18.31
Position (Dec):-4° 37' 39.35"
Field of view:18.84 x 3023.66 arcminutes
Orientation:North is 180.0° left of vertical


Colors & filters

BandWavelengthTelescope
Optical
OIII
499 nmNicholas U. Mayall 4-meter Telescope
Mosaic 1
Optical
Ha
656 nmNicholas U. Mayall 4-meter Telescope
Mosaic 1
Optical
Sll
672 nmNicholas U. Mayall 4-meter Telescope
Mosaic 1