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-1225
J121625.14+274437.1
NGC4251-15 [internal use only]

Coordinates   [GALFIT]:
Equitorial 184.104736 27.743652 [deg]
12:16:25.1375 +27:44:37.1466 [hms dms]
Galactic 206.392242 82.207275 [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]
NGC4251 g 7 2415 1.08 803.00 Full Field

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC4251 at a distance of 19 Mpc.

Magnitudes

Galfit magnitudes
g 18.50
Extinction: SDSS MegaCam
g 0.07 0.07
r 0.05 0.05
i 0.04 0.04
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 25.29
μRe 26.67
⟨ μRe ⟩ 26.07

Structural Parameters


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

Data Unbinned
Sersic Index 0.67
Effective Radius [arcsec]18.43
Axis Ratio 0.69
Position Angle 82.86

HI Data

No HI data was found for this dwarf.

Globular Clusters

No globular cluster candidates found within 92.15 arcsec (5*Re) of the dwarf.

Note: we are missing GC data for the field NGC4251 (only g-band available at full res.).

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] ['']
NGC4251 34.49 ETG 19 1066 19 10.78
NGC4275 46.52 LTG 36 2312 17 10.35
IC0777 52.05 LTG 39 2541 9 10.08
PGC039691 62.07 LTG 37 2401 6 9.92
NGC4278 104.28 ETG 16 620 32 10.83
NGC4283 107.34 ETG 15 1056 12 10.03
NGC4245 112.96 LTG 12 884 28 10.18
NGC4274 120.97 LTG 15 930 56 10.82
NGC4314 152.06 LTG 16 963 39 10.71
NGC4150 176.99 ETG 13 208 16 9.97