MATLAS dwarfs - properties of individual galaxies



dwarf, stretch 1, BW dwarf, stretch 2, color dwarf, stretch 3, BW The galaxy at three different stretches.


Basic Information

IDs: MATLAS-1865
J142328.66+561356.0
NGC5631-14 [internal use only]

Coordinates   [GALFIT]:
Equitorial 215.869415 56.232224 [deg]
14:23:28.6601 +56:13:56.0054 [hms dms]
Galactic 99.717041 56.551365 [deg]

Morph: dE
Notes: This galaxy is a UDG candidate.

This galaxy can be found in the following image:

Field Filter Nexp Texp IQ Background Image Link
[s] [''] [ADUs]
NGC5631 g 6 2070 1.18 238.50 Full Field
r 6 2070 1.33 387.17
i 6 1380 1.24 601.17

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC5631 at a distance of 27 Mpc.

Magnitudes

Galfit magnitudes
g 18.53
r 18.30
i 18.20
Extinction: SDSS MegaCam
g 0.05 0.05
r 0.03 0.03
i 0.03 0.02
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 24.35
μRe 25.73
⟨ μRe ⟩ 25.13

Structural Parameters


Galfit modeling, input
  Cleaned input image
Galfit modeling, model
  Galfit model
Galfit modeling, residual
  Residual image

Data Unbinned
Sersic Index 0.71
Effective Radius [arcsec]11.80
Axis Ratio 0.34
Position Angle -71.12

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 59 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 215.872485, 56.229204 0 12.481.0620.34±0.000.45±0.010.70±0.01 -- -0.01
2 215.868168, 56.237915 0 20.641.7523.30±0.060.71±0.070.85±0.10 -- 0.02
3 215.892020, 56.237420 0 48.944.1519.29±0.000.84±0.001.27±0.00 -- -0.02

Local Environment

The ten nearest on-sky neighbors from ATLAS3D parent (ETG+LTG) catalog:

Galaxy separation Morph Dist Vel Re log(M*/M☉)
['] [Mpc] [km/s] ['']
NGC5631 33.08 ETG 27 1944 21 10.79
NGC5526 121.04 LTG 33 2004 16 10.22
NGC5678 123.3 LTG 30 1922 35 10.96
NGC5687 143.33 ETG 27 2143 23 10.60
NGC5475 156.08 ETG 29 1671 17 10.46
NGC5485 156.46 ETG 25 1927 28 10.76
PGC050395 159.66 ETG 37 2322 11 10.08
NGC5473 178.21 ETG 33 2022 21 11.01
NGC5443 180.1 LTG 30 1803 31 10.66
NGC5667 201.89 LTG 32 1943 31 10.14