SDSSJ171121.27+320118.2 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 |
|---|---|---|---|---|---|---|
| 71746 | SDSSJ171121.27+320118.2_GROUP | 257.8385084 | 32.0207589 | 0.435 | 1.305 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 71746 | SDSSJ171121.27+320118.2 | 257.8386827 | 32.0217031 | Link | 130853 | PGC1976196 | Sc | 257.8385116 | 32.0197880 | 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) |
| 71746 | SDSSJ171121.27+320118.2 | SER | 1.50 | 3.770 | 33.1 | 0.351 | 11.432 | 38.4 | 0.496 | 15.540 | 35.6 | 0.609 | 10.323 | 14.553 | 17.580 | 8.742 | 8.948 | 10.030 |
| 130853 | PGC1976196 | SER | 4.26 | 6.459 | 97.1 | 0.038 | 10.189 | 43.1 | 0.379 | 15.260 | 38.5 | 0.461 | 8.937 | 12.862 | 18.364 | 4.968 | 5.966 | 9.521 |
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 |
| 71746 | SDSSJ171121.27+320118.2 | 18.225 | 17.847 | 17.713 | 18.181 | 17.860 | 17.588 | 17.879 | 17.544 | 17.227 | 17.791 | 17.450 | 17.132 | 17.633 | 17.292 | 16.865 |
| 130853 | PGC1976196 | 17.009 | 16.528 | 16.227 | 17.629 | 17.187 | 16.848 | 17.498 | 17.035 | 16.673 | 17.408 | 16.924 | 16.516 | 17.282 | 16.694 | 16.059 |
SDSSJ171121.27+320118.2 (SGA ID 71746)
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PGC1976196 (SGA ID 130853)
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