PGC831246 Group
Sky Viewer
Images & Catalogs
Group Properties
| SGA ID of Primary Galaxy |
Group Name | Group RA (degree) |
Group Dec (degree) |
Group Diameter (arcmin) |
Mosaic Diameter (arcmin) |
Number of Group Members |
|---|---|---|---|---|---|---|
| 251345 | PGC831246_GROUP | 15.3586814 | -21.2085395 | 0.868 | 2.603 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 45684 | PGC831255 | 15.3535449 | -21.2082484 | Link | 251345 | PGC831246 | 15.3623361 | -21.2087324 | Link |
Image Mosaics
Color mosaics showing the data (left panel), model (middle panel), and residuals (right panel).
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Elliptical Isophote Analysis
Geometry
This table provides several different measurements of the geometry and size of each galaxy.
Tractor |
HyperLeda |
Ellipse Moments |
Surface Brightness Threshold Radii (arcsec) |
Half-light Radii (arcsec) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SGA ID | Galaxy |
Type | n | r(50) (arcsec) | PA (degree) | e | R(25) | PA (degree) | e |
Size (arcsec) | PA (degree) | e |
R(24) | R(25) | R(26) |
g(50) | r(50) | z(50) |
| 45684 | PGC831255 | SER | 4.32 | 5.196 | 18.5 | 0.437 | 13.713 | 7.0 | 0.292 | 15.214 | 9.1 | 0.374 | ... | ... | ... | ... | ... | ... |
| 251345 | PGC831246 | SER | 1.03 | 9.371 | 52.2 | 0.835 | 20.282 | 53.0 | 0.755 | 20.976 | 52.9 | 0.801 | 17.963 | 22.611 | 27.638 | 9.457 | 9.241 | 9.020 |
Photometry
This table provides the Tractor model photometry and the cumulative flux measured within the R(24), R(25), and R(26) radii (corresponding to the semi-major axis length of the galaxy at the 24, 25, and 26 magnitude per square arcsec surface brightness threshold, respectively).
| Curve of Growth Photometry | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tractor Photometry | < R(24) | < R(25) | < R(26) | Integrated | ||||||||||||
| SGA ID | Galaxy | g | r | z | g | r | z | g | r | z | g | r | z | g | r | z |
| 45684 | PGC831255 | 16.389 | 15.506 | 14.870 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 251345 | PGC831246 | 16.913 | 16.452 | 16.133 | 17.086 | 16.591 | 16.287 | 16.990 | 16.501 | 16.200 | 16.950 | 16.458 | 16.158 | 16.897 | 16.399 | 16.095 |
PGC831255 (SGA ID 45684)
Ellipse-fitting not done or failed.
PGC831246 (SGA ID 251345)
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