NGC3817 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 |
|---|---|---|---|---|---|---|
| 36497 | NGC3817_GROUP | 175.4746232 | 10.2993970 | 1.483 | 4.449 | 2 |
Group Members
| SGA ID | Galaxy | Visual Morphology |
RA (degree) |
Dec (degree) |
HyperLeda |
|---|---|---|---|---|---|
| 36497 | NGC3817 | S0-a | 175.4706177 | 10.3043721 | Link | 516317 | SDSSJ114156.61+101707.6 | S? | 175.4859685 | 10.2854442 | 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) |
| 36497 | NGC3817 | SER | 4.48 | 21.063 | 110.0 | 0.385 | 33.046 | 121.9 | 0.231 | 42.605 | 130.8 | 0.234 | 33.790 | 41.147 | 47.901 | 12.239 | 11.869 | 11.546 |
| 516317 | SDSSJ114156.61+101707.6 | SER | 1.33 | 5.535 | 83.5 | 0.594 | 11.779 | 85.2 | 0.548 | 9.891 | 83.1 | 0.545 | 8.252 | 11.372 | 14.178 | 6.504 | 6.182 | 6.499 |
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 |
| 36497 | NGC3817 | 13.612 | 12.782 | 12.152 | 13.977 | 13.139 | 12.519 | 13.934 | 13.097 | 12.477 | 13.915 | 13.079 | 12.460 | 13.888 | 13.054 | 12.436 |
| 516317 | SDSSJ114156.61+101707.6 | 18.193 | 17.555 | 17.155 | 18.589 | 17.944 | 17.588 | 18.372 | 17.725 | 17.363 | 18.271 | 17.640 | 17.273 | 18.057 | 17.468 | 17.056 |
NGC3817 (SGA ID 36497)
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SDSSJ114156.61+101707.6 (SGA ID 516317)
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