ESO549-018 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 |
|---|---|---|---|---|---|---|
| 178105 | ESO549-018_GROUP | 57.0770670 | -21.4574066 | 3.934 | 11.801 | 3 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 48345 | ESO549-020 | Sbc | 57.1024549 | -21.4316251 | Link | 178105 | ESO549-018 | SABc | 57.0585793 | -21.4743645 | Link | 5000682 | DR8-0570m215-5836 | COMP | 57.1140280 | -21.4310142 | 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) |
| 48345 | ESO549-020 | SER | 1.24 | 14.092 | 17.4 | 0.746 | 37.942 | 17.5 | 0.761 | 35.913 | 17.2 | 0.739 | ... | ... | ... | ... | ... | ... |
| 178105 | ESO549-018 | SER | 0.70 | 41.442 | 22.2 | 0.409 | 74.494 | 18.9 | 0.417 | 80.749 | 22.7 | 0.404 | 82.649 | 104.071 | 120.804 | 52.399 | 51.894 | 51.070 |
| 5000682 | DR8-0570m215-5836 | SER | 2.57 | 4.569 | 5.0 | 0.504 | 10.928 | 31.6 | 0.625 | 5.441 | 35.7 | 0.351 | ... | ... | ... | ... | ... | ... |
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 |
| 48345 | ESO549-020 | 15.330 | 14.513 | 13.833 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 178105 | ESO549-018 | 13.148 | 12.419 | 11.860 | 13.212 | 12.490 | 11.956 | 13.073 | 12.352 | 11.823 | 13.028 | 12.308 | 11.780 | 12.910 | 12.193 | 11.671 |
| 5000682 | DR8-0570m215-5836 | 19.964 | 18.637 | 17.735 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
ESO549-020 (SGA ID 48345)
Ellipse-fitting not done or failed.
ESO549-018 (SGA ID 178105)
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DR8-0570m215-5836 (SGA ID 5000682)
Ellipse-fitting not done or failed.