NGC4488 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 |
|---|---|---|---|---|---|---|
| 979172 | NGC4488_GROUP | 187.7119646 | 8.3629576 | 2.967 | 8.901 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 113349 | PGC1345773 | Sc | 187.6961500 | 8.3843217 | Link | 979172 | NGC4488 | S0-a | 187.7140892 | 8.3599850 | 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) |
| 113349 | PGC1345773 | SER | 0.54 | 4.009 | 40.7 | 0.702 | 11.069 | 45.7 | 0.499 | 10.539 | 40.5 | 0.671 | 12.448 | 14.626 | ... | 6.517 | 5.794 | 5.543 |
| 979172 | NGC4488 | SER | 3.02 | 52.475 | 152.1 | 0.632 | 82.627 | 167.1 | 0.726 | 125.928 | 161.8 | 0.649 | 106.519 | 133.184 | 164.348 | 43.432 | 43.684 | 43.543 |
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 |
| 113349 | PGC1345773 | 17.509 | 16.813 | 16.300 | 17.312 | 16.648 | 16.139 | 17.245 | 16.593 | 16.084 | ... | ... | ... | 17.106 | 16.490 | 16.000 |
| 979172 | NGC4488 | 12.405 | 11.705 | 11.196 | 12.637 | 11.942 | 11.414 | 12.565 | 11.869 | 11.342 | 12.527 | 11.832 | 11.307 | 12.503 | 11.806 | 11.284 |
PGC1345773 (SGA ID 113349)
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NGC4488 (SGA ID 979172)
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