NGC6978 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 |
|---|---|---|---|---|---|---|
| 127018 | NGC6978_GROUP | 313.1292674 | -5.7392780 | 3.527 | 10.581 | 3 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 25396 | NGC6977 | Sa | 313.1237831 | -5.7460995 | Link | 127018 | NGC6978 | Sb | 313.1476691 | -5.7110964 | Link | 1216980 | NGC6976 | SABb | 313.1084509 | -5.7723159 | 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) |
| 25396 | NGC6977 | SER | 3.43 | 21.590 | 45.3 | 0.053 | 37.594 | 167.9 | 0.255 | 48.862 | 142.5 | 0.192 | 38.239 | 46.794 | 55.198 | 16.873 | 15.665 | 15.086 |
| 127018 | NGC6978 | SER | 3.01 | 27.211 | 126.4 | 0.611 | 45.302 | 126.0 | 0.621 | 66.977 | 127.9 | 0.624 | ... | ... | ... | ... | ... | ... |
| 1216980 | NGC6976 | SER | 1.98 | 16.693 | 159.0 | 0.082 | 30.699 | 164.9 | 0.105 | 38.814 | 158.8 | 0.108 | ... | ... | ... | ... | ... | ... |
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 |
| 25396 | NGC6977 | 13.485 | 12.659 | 11.999 | 13.783 | 12.987 | 12.366 | 13.728 | 12.934 | 12.314 | 13.703 | 12.912 | 12.289 | 13.652 | 12.872 | 12.248 |
| 127018 | NGC6978 | 13.461 | 12.590 | 11.882 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 1216980 | NGC6976 | 14.333 | 13.696 | 13.174 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
NGC6977 (SGA ID 25396)
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NGC6978 (SGA ID 127018)
Ellipse-fitting not done or failed.
NGC6976 (SGA ID 1216980)
Ellipse-fitting not done or failed.