NGC7768 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 |
|---|---|---|---|---|---|---|
| 146953 | NGC7768_GROUP | 357.7348597 | 27.1456042 | 2.237 | 6.710 | 3 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 67728 | NGC7766 | 357.7329889 | 27.1263958 | Link | 146953 | NGC7768 | E | 357.7439667 | 27.1473362 | Link | 147378 | NGC7765 | 357.7174030 | 27.1662569 | 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) |
| 67728 | NGC7766 | SER | 2.05 | 4.397 | 36.5 | 0.633 | 26.069 | 31.0 | 0.727 | 8.794 | 36.5 | 0.633 | ... | ... | ... | ... | ... | ... |
| 146953 | NGC7768 | SER | 4.18 | 23.336 | 60.2 | 0.260 | 44.271 | 57.2 | 0.354 | 91.346 | 57.1 | 0.271 | 61.187 | 86.451 | 116.420 | 26.311 | 25.568 | 23.903 |
| 147378 | NGC7765 | DEV | 4.00 | 21.743 | 147.4 | 0.309 | 20.707 | 113.0 | 0.211 | 29.787 | 151.2 | 0.091 | 21.656 | 25.261 | 28.013 | 10.893 | 10.328 | 9.813 |
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 |
| 67728 | NGC7766 | 15.646 | 14.766 | 14.086 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 146953 | NGC7768 | 12.915 | 12.044 | 11.363 | 13.102 | 12.237 | 11.559 | 12.993 | 12.131 | 11.451 | 12.925 | 12.064 | 11.389 | 12.795 | 11.942 | 11.295 |
| 147378 | NGC7765 | 14.831 | 14.059 | 13.425 | 15.188 | 14.453 | 13.889 | 15.131 | 14.400 | 13.840 | 15.112 | 14.382 | 13.822 | 15.088 | 14.360 | 13.801 |
NGC7766 (SGA ID 67728)
Ellipse-fitting not done or failed.
NGC7768 (SGA ID 146953)
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NGC7765 (SGA ID 147378)
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