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-1615
J135228.79+402429.3
NGC5355-100 [internal use only]

Coordinates   [GALFIT]:
Equitorial 208.119980 40.408138 [deg]
13:52:28.7938 +40:24:29.2974 [hms dms]
Galactic 83.295464 71.688797 [deg]

Morph: dEN
Notes: This galaxy is a UDG candidate.
This galaxy shows tidal features (may not be visible in cutouts).

This galaxy can be found in the following image:

Field Filter Nexp Texp IQ Background Image Link
[s] [''] [ADUs]
NGC5355 g 7 2415 1.01 715.57 Full Field
r 7 2415 0.62 801.43
i 7 1610 0.39 1214.43

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC5355 at a distance of 37 Mpc.

Magnitudes

Galfit magnitudes
g 18.11
r 17.50
i 17.20
Extinction: SDSS MegaCam
g 0.03 0.03
r 0.02 0.02
i 0.02 0.02
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 24.58
μRe 25.96
⟨ μRe ⟩ 25.36

Structural Parameters


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

Data Unbinned
Sersic Index 0.90
Effective Radius [arcsec]15.90
Axis Ratio 0.79
Position Angle -47.58

Properties of the nucleus

RA, Dec [deg]208.1198, 40.4084
offset [arcsec]0.83

The nucleus was not well modeled by Galfit. However, the coordinates were either: (a) extracted from Galfit if the model was centered, or (b) determined manually with ds9.

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 79.5 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 208.119965, 40.408310 0 0.620.0422.78±0.010.52±0.010.75±0.02 -- 0.07
2 208.122626, 40.407894 0 7.330.4624.43±0.050.55±0.060.56±0.08 -- -0.02
3 208.118688, 40.410667 0 9.760.6123.42±0.020.63±0.030.89±0.03 -- 0.05
4 208.109345, 40.387977 0 78.214.9224.44±0.050.64±0.061.09±0.06 -- 0.05

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] ['']
NGC5350 10.4 LTG 37 2321 35 11.00
NGC5353 13.35 ETG 35 2198 20 11.36
NGC5355 15.2 ETG 37 2344 11 10.27
NGC5358 19.14 ETG 38 2412 11 10.12
PGC049142 21.85 LTG 37 2318 11 9.92
NGC5371 36.53 LTG 31 2558 69 11.26
NGC5313 40.4 LTG 40 2538 23 10.98
IC4336 46.66 LTG 40 2530 23 10.26
NGC5311 47.9 LTG 42 2698 18 10.86
NGC5346 50.06 LTG 39 2519 22 10.04