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-48
J012256.15+084025.4
NGC0502-29 [internal use only]

Coordinates   [GALFIT]:
Equitorial 20.733952 8.673727 [deg]
01:22:56.1482 +08:40:25.4159 [hms dms]
Galactic 136.059540 -53.393280 [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]
NGC0502 g 7 2415 0.82 688.00 Full Field
r 7 2415 0.79 981.29
i 7 1610 0.66 1626.29

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC0502 at a distance of 36 Mpc.

Magnitudes

Galfit magnitudes
g 18.76
r 18.22
i 17.98
Extinction: SDSS MegaCam
g 0.12 0.11
r 0.08 0.08
i 0.06 0.06
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 24.38
μRe 25.76
⟨ μRe ⟩ 25.16

Structural Parameters


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

Data Unbinned
Sersic Index 1.02
Effective Radius [arcsec]10.75
Axis Ratio 0.70
Position Angle -81.53

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 53.75 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 20.723818, 8.666784 0 43.874.0824.12±0.040.69±0.051.04±0.06 -- 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] ['']
NGC0502 22.53 ETG 36 2524 12 10.53
NGC0489 35.47 LTG 36 2507 11 10.60
NGC0518 44.27 LTG 39 2725 18 10.58
NGC0509 46.1 ETG 32 2261 23 10.07
NGC0532 49.7 LTG 34 2361 28 10.85
NGC0516 55.59 ETG 35 2437 14 10.20
NGC0524 58.76 ETG 23 2403 44 11.20
NGC0525 68.16 ETG 31 2139 11 10.06
NGC0522 83.75 LTG 39 2725 23 10.72
NGC0485 101.73 LTG 32 2247 19 10.00