NGC4138
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 |
|---|---|---|---|---|---|---|
| 122904 | NGC4138 | 182.3741971 | 43.6852699 | 2.851 | 8.553 | 1 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 122904 | NGC4138 | S0-a | 182.3741895 | 43.6852959 | 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) |
| 122904 | NGC4138 | SER | 1.33 | 24.468 | 151.3 | 0.393 | 85.531 | 150.0 | 0.402 | 48.936 | 151.3 | 0.393 | 86.345 | 94.590 | ... | 17.145 | 19.350 | 13.675 |
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 |
| 122904 | NGC4138 | 11.794 | 11.005 | 10.478 | 11.708 | 10.968 | 10.448 | 11.694 | 10.953 | 10.441 | ... | ... | ... | 11.683 | 10.941 | 10.437 |
NGC4138 (SGA ID 122904)
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