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-1174
J120530.17+110749.9
NGC4078-155 [internal use only]

Coordinates   [GALFIT]:
Equitorial 181.375717 11.130521 [deg]
12:05:30.1738 +11:07:49.877 [hms dms]
Galactic 266.705048 70.698318 [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]
NGC4078 g 7 2415 1.12 812.57 Full Field
r 7 2415 0.69 842.00

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC4078 at a distance of 38 Mpc.

Magnitudes

Galfit magnitudes
g 19.73
r 19.55
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 25.66
μRe 27.04
⟨ 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 0.78
Effective Radius [arcsec]12.38
Axis Ratio 0.51
Position Angle 71.73

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 61.9 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 181.364872, 11.127814 0 39.543.1923.76±0.040.63±0.05 -- -- 0.06
2 181.374150, 11.143258 0 46.193.7321.36±0.010.49±0.01 -- -- 0.00
3 181.378990, 11.146701 0 59.384.821.96±0.010.39±0.01 -- -- 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] ['']
NGC4067 25.43 LTG 37 2415 16 10.48
NGC4078 33.76 ETG 38 2546 8 10.51
NGC4119 59.74 ETG 17 1656 40 10.35
NGC4178 108.23 LTG 17 374 59 9.92
NGC4168 159.35 ETG 31 2286 30 10.92
NGC4193 173.64 LTG 37 2480 26 10.73
NGC4207 174.33 LTG 17 596 16 9.97
NGC4206 182.96 LTG 17 702 45 10.00
NGC4189 183.56 LTG 17 2115 48 10.19
NGC4216 194.81 LTG 17 131 44 11.14