NGC4227 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 |
|---|---|---|---|---|---|---|
| 1430040 | NGC4227_GROUP | 184.1499884 | 33.5396287 | 2.654 | 7.962 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 17839 | NGC4229 | S0 | 184.1616223 | 33.5609065 | Link | 1430040 | NGC4227 | S0-a | 184.1404062 | 33.5220669 | 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) |
| 17839 | NGC4229 | SER | 6.00 | 17.584 | 174.0 | 0.342 | 37.078 | 9.3 | 0.357 | 47.789 | 13.1 | 0.337 | 43.280 | 54.946 | 69.271 | 14.582 | 14.323 | 9.210 |
| 1430040 | NGC4227 | SER | 3.39 | 11.677 | 76.0 | 0.441 | 44.784 | 71.0 | 0.452 | 60.631 | 65.1 | 0.430 | ... | ... | ... | ... | ... | ... |
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 |
| 17839 | NGC4229 | 13.712 | 12.889 | 12.375 | 13.865 | 13.034 | 12.651 | 13.797 | 12.967 | 12.627 | 13.762 | 12.930 | 12.625 | 13.742 | 12.907 | 12.622 |
| 1430040 | NGC4227 | 13.233 | 12.418 | 11.891 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
NGC4229 (SGA ID 17839)
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NGC4227 (SGA ID 1430040)
Ellipse-fitting not done or failed.