NGC6621 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 |
|---|---|---|---|---|---|---|
| 1077629 | NGC6621_GROUP | 273.2360184 | 68.3605148 | 2.365 | 7.094 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 63357 | NGC6622 | Sab | 273.2488599 | 68.3540877 | Link | 1077629 | NGC6621 | Sb | 273.2312331 | 68.3634576 | Link |
Image Mosaics
Color mosaics showing the data (left panel), model (middle panel), and residuals (right panel).
 |
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) |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| 63357 | NGC6622 | SER | 4.10 | 11.204 | 71.4 | 0.356 | 29.182 | 117.0 | 0.101 | 35.433 | 68.6 | 0.346 | 28.086 | 36.294 | 49.563 | 9.030 | 7.881 | 2.480 |
| 1077629 | NGC6621 | SER | 2.78 | 19.257 | 127.8 | 0.541 | 64.435 | 142.5 | 0.593 | 38.515 | 127.8 | 0.541 | 59.351 | 71.810 | ... | 26.917 | 24.846 | 16.157 |
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 |
| 63357 | NGC6622 | 14.405 | 13.543 | 12.981 | 14.608 | 13.765 | 13.354 | 14.540 | 13.706 | 13.404 | 14.491 | 13.664 | 13.495 | 14.458 | 13.633 | 13.397 |
| 1077629 | NGC6621 | 13.761 | 12.919 | 12.261 | 13.805 | 12.981 | 12.495 | 13.717 | 12.901 | 12.470 | ... | ... | ... | 13.593 | 12.819 | 12.469 |
NGC6622 (SGA ID 63357)
 |
|
 |
 |
NGC6621 (SGA ID 1077629)
 |
|
 |
 |