PGC017981 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 |
|---|---|---|---|---|---|---|
| 672848 | PGC017981_GROUP | 87.7429542 | -34.7810199 | 1.723 | 5.168 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 80966 | PGC017987 | S0 | 87.7534236 | -34.7777097 | Link | 672848 | PGC017981 | E | 87.7334424 | -34.7840322 | 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) |
| 80966 | PGC017987 | SER | 3.03 | 9.927 | 12.1 | 0.595 | 33.046 | 10.4 | 0.650 | 33.653 | 11.3 | 0.572 | ... | ... | ... | ... | ... | ... |
| 672848 | PGC017981 | SER | 5.48 | 11.277 | 94.0 | 0.295 | 36.402 | 90.7 | 0.294 | 44.523 | 92.9 | 0.285 | 35.063 | 50.638 | 65.365 | 13.741 | 12.945 | 11.097 |
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 |
| 80966 | PGC017987 | 14.966 | 14.082 | 13.392 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 672848 | PGC017981 | 13.969 | 13.081 | 12.439 | 14.160 | 13.276 | 12.635 | 14.054 | 13.173 | 12.536 | 13.998 | 13.121 | 12.488 | 13.779 | 12.908 | 12.326 |
PGC017987 (SGA ID 80966)
Ellipse-fitting not done or failed.
PGC017981 (SGA ID 672848)
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