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-1779
J141105.33-051319.4
NGC5493-39 [internal use only]

Coordinates   [GALFIT]:
Equitorial 212.772202 -5.222055 [deg]
14:11:05.3302 -05:13:19.3989 [hms dms]
Galactic 336.664490 52.354324 [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]
NGC5493 g 7 2415 0.76 859.43 Full Field
r 7 2415 0.74 1049.86

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC5493 at a distance of 39 Mpc.

Magnitudes

Galfit magnitudes
g 19.27
r 18.75
Extinction: SDSS MegaCam
g 0.11 0.11
r 0.08 0.08
i 0.06 0.05
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 25.65
μRe 27.03
⟨ μRe ⟩ 26.44

Structural Parameters


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

Data Unbinned
Sersic Index 0.70
Effective Radius [arcsec]15.30
Axis Ratio 0.52
Position Angle 22.12

Properties of the nucleus

RA, Dec [deg]212.7722, -5.2218
offset [arcsec]1.67

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 76.5 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 212.772403, -5.221939 0 0.810.0523.01±0.010.47±0.02 -- -- 0.05
2 212.768582, -5.221317 0 13.280.8723.99±0.030.62±0.04 -- -- 0.02
3 212.782874, -5.215605 0 44.732.9223.81±0.020.80±0.03 -- -- -0.01
4 212.786715, -5.232566 0 64.314.219.17±0.000.45±0.00 -- -- -0.01

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] ['']
NGC5493 12.26 ETG 39 2665 14 11.11
NGC5506 125.11 LTG 29 1853 29 10.96
NGC5507 128.83 ETG 29 1851 12 10.59
NGC5604 236.81 LTG 40 2748 16 10.64
NGC5496 243.93 LTG 25 1541 38 9.98
PGC051697 276.32 LTG 40 2768 19 10.16
NGC5584 335.9 LTG 26 1638 45 10.17
NGC5334 367.21 LTG 23 1386 44 10.07
NGC5691 494.84 LTG 29 1870 20 10.25
NGC5713 526.89 LTG 29 1899 36 10.92