NGC7829 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 |
|---|---|---|---|---|---|---|
| 66633 | NGC7829_GROUP | 1.6168733 | -13.4183617 | 2.340 | 7.019 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 66633 | NGC7829 | S0-a | 1.6207818 | -13.4206225 | Link | 75672 | NGC7828 | Sd | 1.6128548 | -13.4157962 | 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) |
| 66633 | NGC7829 | SER | 6.00 | 2.036 | 113.4 | 0.355 | 62.247 | 110.2 | 0.605 | 4.072 | 113.4 | 0.355 | ... | ... | ... | ... | ... | ... |
| 75672 | NGC7828 | SER | 1.33 | 17.264 | 139.6 | 0.552 | 62.247 | 136.7 | 0.605 | 34.528 | 139.6 | 0.552 | 40.390 | 56.401 | ... | 19.047 | 19.794 | 17.939 |
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 |
| 66633 | NGC7829 | 14.630 | 14.108 | 13.693 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 75672 | NGC7828 | 14.096 | 13.506 | 12.952 | 14.359 | 13.758 | 13.248 | 14.261 | 13.651 | 13.143 | ... | ... | ... | 14.027 | 13.435 | 12.996 |
NGC7829 (SGA ID 66633)
Ellipse-fitting not done or failed.
NGC7828 (SGA ID 75672)
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