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-1205
J121405.49+070630.9
NGC4191-67 [internal use only]

Coordinates   [GALFIT]:
Equitorial 183.522858 7.108572 [deg]
12:14:05.4865 +07:06:30.8605 [hms dms]
Galactic 277.354614 68.106010 [deg]

Morph: dEN
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]
NGC4191 g 7 2415 0.77 805.29 Full Field
r 7 2415 0.66 1016.43

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC4191 at a distance of 39 Mpc.

Magnitudes

Galfit magnitudes
g 19.50
r 19.00
Extinction: SDSS MegaCam
g 0.06 0.05
r 0.04 0.04
i 0.03 0.03
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 24.82
μRe 26.20
⟨ μRe ⟩ 25.60

Structural Parameters


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

Data Unbinned
Sersic Index 0.79
Effective Radius [arcsec]9.36
Axis Ratio 0.76
Position Angle -35.60

Properties of the nucleus

RA, Dec [deg]183.5230, 7.1088
offset [arcsec]1.17
mg24.13
(g-r)00.30

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 46.8 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 183.516047, 7.101171 0 36.093.8623.48±0.020.40±0.03 -- -- 0.00
2 183.529034, 7.118200 0 41.084.3923.64±0.030.46±0.04 -- -- 0.07
3 183.530239, 7.118013 0 43.014.623.54±0.020.75±0.03 -- -- 0.02
4 183.531434, 7.117484 0 44.364.7423.25±0.020.42±0.03 -- -- 0.06

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] ['']
NGC4191 6.69 ETG 39 2646 11 10.55
NGC4180 16.05 LTG 17 2096 14 10.11
NGC4224 42.45 LTG 39 2603 26 11.05
NGC4235 46.02 LTG 36 2410 27 11.08
NGC4215 50.34 ETG 32 2011 15 10.68
NGC4233 54.76 ETG 34 2306 15 10.86
IC3102 55.7 LTG 17 2235 31 10.14
NGC4276 96.33 LTG 39 2618 23 10.22
NGC4260 99.29 LTG 38 1958 34 11.05
NGC4249 107.64 ETG 39 2618 13 10.10