NGC4995 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 |
|---|---|---|---|---|---|---|
| 7474 | NGC4995_GROUP | 197.4178458 | -7.8471565 | 3.322 | 9.966 | 3 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 7474 | NGC4995 | SABb | 197.4193682 | -7.8332102 | Link | 420229 | PGC1011507 | Sb | 197.4258110 | -7.8852992 | Link | 1248695 | PGC1012245 | 197.3887998 | -7.8374335 | 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) |
| 7474 | NGC4995 | SER | 1.04 | 31.186 | 91.4 | 0.233 | 72.798 | 97.8 | 0.381 | 95.964 | 92.9 | 0.301 | 95.704 | 115.926 | 134.329 | 35.127 | 34.261 | 33.893 |
| 420229 | PGC1011507 | SER | 1.15 | 11.955 | 49.1 | 0.785 | 29.317 | 51.3 | 0.791 | 31.116 | 49.3 | 0.779 | 28.271 | 36.517 | 44.818 | 14.715 | 13.127 | 12.190 |
| 1248695 | PGC1012245 | SER | 1.08 | 7.245 | 32.2 | 0.493 | 11.943 | 23.0 | 0.354 | 13.154 | 26.1 | 0.392 | ... | ... | ... | ... | ... | ... |
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 |
| 7474 | NGC4995 | 11.703 | 11.011 | 10.426 | 11.641 | 10.958 | 10.423 | 11.600 | 10.918 | 10.382 | 11.582 | 10.901 | 10.365 | 11.552 | 10.872 | 10.335 |
| 420229 | PGC1011507 | 16.014 | 15.321 | 14.744 | 16.016 | 15.337 | 14.791 | 15.914 | 15.251 | 14.714 | 15.863 | 15.211 | 14.678 | 15.752 | 15.137 | 14.619 |
| 1248695 | PGC1012245 | 16.978 | 16.495 | 16.165 | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |
NGC4995 (SGA ID 7474)
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PGC1011507 (SGA ID 420229)
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PGC1012245 (SGA ID 1248695)
Ellipse-fitting not done or failed.