PGC2171275 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
100441 PGC2171275_GROUP 246.7493025 40.8064428 1.016 3.049 2

Group Members

SGA ID Galaxy Visual
Morphology
RA
(degree)
Dec
(degree)
HyperLeda
100441 PGC2171275 E-S0 246.7532926 40.8105080 Link
273189 SDSSJ162657.99+404754.3 E? 246.7416177 40.7983953 Link

Image Mosaics

Color mosaics showing the data (left panel), model (middle panel), and residuals (right panel).

Missing file PGC2171275_GROUP-largegalaxy-grz-montage.png


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)
100441PGC2171275 SER3.264.69968.60.472 21.43568.90.486 21.08178.80.511 18.33523.60130.543 5.0885.0223.227
273189SDSSJ162657.99+404754.3 SER2.103.85184.20.630 10.89285.00.550 11.45585.40.555 ......... .........

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 IDGalaxy grz grz grz grz grz
100441 PGC2171275 15.90415.02614.366 15.84715.04614.494 15.78514.99014.465 15.74814.95314.457 15.72114.93114.453
273189 SDSSJ162657.99+404754.3 18.11717.36616.825 ......... ......... ......... .........

PGC2171275 (SGA ID 100441)
Missing file thumb-PGC2171275_GROUP-largegalaxy-100441-ellipse-multiband.png
Missing file PGC2171275_GROUP-largegalaxy-100441-ellipse-sbprofile.png Missing file PGC2171275_GROUP-largegalaxy-100441-ellipse-cog.png

SDSSJ162657.99+404754.3 (SGA ID 273189)

Ellipse-fitting not done or failed.