NGC6521 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 |
|---|---|---|---|---|---|---|
| 674212 | NGC6521_GROUP | 268.9652159 | 62.6130226 | 1.923 | 5.768 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 61112 | PGC2640016 | 269.0110572 | 62.6162215 | Link | 674212 | NGC6521 | E | 268.9519272 | 62.6122654 | 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) |
| 61112 | PGC2640016 | EXP | 1.00 | 5.550 | 166.2 | 0.553 | 13.713 | 162.0 | 0.463 | 14.324 | 164.3 | 0.533 | ... | ... | ... | ... | ... | ... |
| 674212 | NGC6521 | SER | 2.55 | 24.625 | 155.8 | 0.168 | 46.358 | 157.3 | 0.344 | 85.527 | 156.7 | 0.305 | 66.056 | 94.650 | 128.558 | 44.196 | 38.570 | 17.184 |
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 |
| 61112 | PGC2640016 | 16.385 | 15.625 | 15.061 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
| 674212 | NGC6521 | 13.161 | 12.270 | 11.670 | 13.246 | 12.387 | 11.995 | 13.092 | 12.246 | 11.970 | 12.992 | 12.157 | 11.968 | 12.738 | 11.956 | 11.963 |
PGC2640016 (SGA ID 61112)
Ellipse-fitting not done or failed.
NGC6521 (SGA ID 674212)
 |
|
 |
 |