NGC7321 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 |
|---|---|---|---|---|---|---|
| 1411273 | NGC7321_GROUP | 339.1171545 | 21.6144673 | 1.828 | 5.485 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 57475 | PGC069282 | 339.1183972 | 21.5939758 | Link | 1411273 | NGC7321 | SBb | 339.1167533 | 21.6217499 | 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) |
| 57475 | PGC069282 | SER | 2.17 | 5.913 | 87.9 | 0.391 | 14.525 | 85.5 | 0.330 | 17.504 | 89.4 | 0.409 | ... | ... | ... | ... | ... | ... |
| 1411273 | NGC7321 | SER | 3.24 | 26.474 | 31.0 | 0.294 | 42.181 | 17.7 | 0.313 | 56.704 | 8.9 | 0.324 | 47.495 | 60.708 | 73.852 | 17.573 | 15.800 | 14.272 |
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 |
| 57475 | PGC069282 | 15.992 | 15.110 | 14.429 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 1411273 | NGC7321 | 13.123 | 12.389 | 11.773 | 13.446 | 12.745 | 12.199 | 13.374 | 12.681 | 12.143 | 13.338 | 12.649 | 12.114 | 13.306 | 12.618 | 12.088 |
PGC069282 (SGA ID 57475)
Ellipse-fitting not done or failed.
NGC7321 (SGA ID 1411273)
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