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-149
J020010.45+192153.1
NGC0770-123 [internal use only]

Coordinates   [GALFIT]:
Equitorial 30.043545 19.364737 [deg]
02:00:10.4509 +19:21:53.0546 [hms dms]
Galactic 144.473587 -40.614197 [deg]

Morph: dI
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]
NGC0770 u 18 12600 1.16 95.06 Full Field
g 7 2415 0.60 723.00
r 7 2415 0.79 839.00
i 7 1610 0.55 990.29

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC0770 at a distance of 37 Mpc.

Magnitudes

Galfit magnitudes
g 20.46
r 19.71
i 19.32
Extinction: SDSS MegaCam
g 0.27 0.25
r 0.18 0.18
i 0.14 0.13
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 25.62
μRe 27.00
⟨ μRe ⟩ 26.40

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]10.24
Axis Ratio 0.46
Position Angle 84.57

HI Data

No HI data was found for this dwarf.

Globular Clusters

No globular cluster candidates found within 51.2 arcsec (5*Re) of the dwarf.

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] ['']
NGC0772 24.57 LTG 36 2472 79 11.55
NGC0770 28.02 ETG 37 2543 9 10.34
IC0163 173.85 LTG 40 2749 22 10.26
NGC0691 195.88 LTG 39 2665 58 10.97
NGC0803 206.43 LTG 30 2101 28 10.36
NGC0680 213.76 ETG 38 2928 14 10.98
NGC0678 218.5 LTG 41 2835 19 11.07
UGC01551 286.71 LTG 39 2671 32 9.99
NGC0918 367.94 LTG 23 1507 47 10.44
NGC0628 398.54 LTG 7 657 141 10.30