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-405
J084306.54+500442.4
UGC04551-94 [internal use only]

Coordinates   [GALFIT]:
Equitorial 130.777237 50.078430 [deg]
08:43:06.5358 +50:04:42.3502 [hms dms]
Galactic 169.039352 38.105717 [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]
UGC04551 g 7 2415 1.20 632.14 Full Field
r 7 2415 0.79 740.86
i 7 1610 0.55 1486.14

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of UGC04551 at a distance of 28 Mpc.

Magnitudes

Galfit magnitudes
g 18.87
r 18.37
i 18.15
Extinction: SDSS MegaCam
g 0.08 0.08
r 0.06 0.06
i 0.04 0.04
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 25.33
μRe 26.71
⟨ μRe ⟩ 26.11

Structural Parameters


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

Data Unbinned
Sersic Index 0.75
Effective Radius [arcsec]15.86
Axis Ratio 0.56
Position Angle 48.27

Properties of the nucleus

RA, Dec [deg]130.7771, 50.0790
offset [arcsec]2.10
mg23.37
(g-r)00.60

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 79.3 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 130.757379, 50.076520 0 46.382.9221.37±0.010.46±0.010.61±0.01 -- 0.01
2 130.772891, 50.096714 0 66.584.224.11±0.080.42±0.090.72±0.10 -- 0.04

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] ['']
UGC04551 19.56 ETG 28 1728 11 10.48
NGC2681 123.79 LTG 17 692 35 10.78
NGC2701 266.32 LTG 36 2326 32 10.56
UGC04824 279.42 LTG 34 2184 18 9.92
NGC2712 351.49 LTG 29 1815 30 10.60
UGC04906 366.45 LTG 36 2304 17 10.66
NGC2710 369.78 LTG 39 2526 20 10.32
NGC2841 374.88 LTG 15 638 79 11.21
NGC2856 402.36 LTG 40 2638 14 10.64
NGC2776 425.77 LTG 40 2626 34 10.86