NGC4424 Group
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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 |
|---|---|---|---|---|---|---|
| 432048 | NGC4424_GROUP | 186.7988272 | 9.4193222 | 3.112 | 9.336 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 18436 | PGC213994 | E | 186.8006554 | 9.4098819 | Link | 432048 | NGC4424 | Sa | 186.7984994 | 9.4205215 | 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) |
| 18436 | PGC213994 | SER | 6.00 | 2.804 | 156.5 | 0.682 | 11.223 | 154.1 | 0.443 | 5.608 | 156.5 | 0.682 | ... | ... | ... | ... | ... | ... |
| 432048 | NGC4424 | SER | 2.35 | 60.841 | 97.4 | 0.606 | 91.227 | 95.2 | 0.482 | 134.804 | 92.9 | 0.530 | 151.527 | 196.616 | 237.118 | 79.531 | 78.579 | 77.405 |
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 |
| 18436 | PGC213994 | 16.153 | 15.360 | 14.796 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 432048 | NGC4424 | 11.809 | 11.189 | 10.706 | 11.748 | 11.129 | 10.672 | 11.636 | 11.018 | 10.563 | 11.587 | 10.970 | 10.516 | 11.518 | 10.900 | 10.448 |
PGC213994 (SGA ID 18436)
Ellipse-fitting not done or failed.
NGC4424 (SGA ID 432048)
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