PGC637742 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 |
|---|---|---|---|---|---|---|
| 680283 | PGC637742_GROUP | 25.8629221 | -36.3596949 | 0.949 | 2.846 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 54722 | PGC131994 | E | 25.8564889 | -36.3611561 | Link | 680283 | PGC637742 | 25.8683304 | -36.3584728 | Link |
Image Mosaics
Color mosaics showing the data (left panel), model (middle panel), and residuals (right panel).
 |
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) |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| 54722 | PGC131994 | SER | 5.00 | 4.591 | 41.4 | 0.156 | 16.335 | 43.5 | 0.308 | 21.699 | 45.3 | 0.129 | ... | ... | ... | ... | ... | ... |
| 680283 | PGC637742 | SER | 2.56 | 18.291 | 151.6 | 0.709 | 20.755 | 160.0 | 0.637 | 20.379 | 157.6 | 0.598 | ... | ... | ... | ... | ... | ... |
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 |
| 54722 | PGC131994 | 15.308 | 14.457 | 13.850 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 680283 | PGC637742 | 16.047 | 15.538 | 15.171 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
PGC131994 (SGA ID 54722)
Ellipse-fitting not done or failed.
PGC637742 (SGA ID 680283)
Ellipse-fitting not done or failed.