PGC2156147 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 |
|---|---|---|---|---|---|---|
| 20429 | PGC2156147_GROUP | 121.9255542 | 39.8148994 | 0.643 | 1.929 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 20429 | PGC2156147 | Sb | 121.9253997 | 39.8170819 | Link | 273842 | PGC2156042 | Sb | 121.9259175 | 39.8114843 | 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) |
| 20429 | PGC2156147 | SER | 3.69 | 8.633 | 16.8 | 0.392 | 15.280 | 17.1 | 0.550 | 21.917 | 10.5 | 0.529 | 18.830 | 23.996 | 29.974 | 10.754 | 8.395 | 5.282 |
| 273842 | PGC2156042 | SER | 1.44 | 5.351 | 140.8 | 0.775 | 10.049 | 141.3 | 0.553 | 14.569 | 144.3 | 0.667 | ... | ... | ... | ... | ... | ... |
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 |
| 20429 | PGC2156147 | 16.249 | 15.507 | 14.946 | 16.368 | 15.685 | 15.266 | 16.187 | 15.555 | 15.219 | 16.107 | 15.523 | 15.241 | 16.095 | 15.522 | 15.227 |
| 273842 | PGC2156042 | 17.270 | 16.288 | 15.537 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
PGC2156147 (SGA ID 20429)
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PGC2156042 (SGA ID 273842)
Ellipse-fitting not done or failed.