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-141
J015753.14+185146.0
NGC0770-50 [internal use only]

Coordinates   [GALFIT]:
Equitorial 29.471399 18.862768 [deg]
01:57:53.1357 +18:51:45.9651 [hms dms]
Galactic 144.028748 -41.270947 [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]
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 20.12
r 19.50
i 19.10
Extinction: SDSS MegaCam
g 0.24 0.23
r 0.17 0.17
i 0.12 0.12
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 25.22
μRe 26.60
⟨ μRe ⟩ 26.00

Structural Parameters


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

Data Unbinned
Sersic Index 0.77
Effective Radius [arcsec]8.47
Axis Ratio 0.73
Position Angle -69.58

HI Data

No HI data was found for this dwarf.

Globular Clusters

No globular cluster candidates found within 42.35 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] ['']
NGC0770 19.82 ETG 37 2543 9 10.34
NGC0772 22.21 LTG 36 2472 79 11.55
IC0163 164.79 LTG 40 2749 22 10.26
NGC0803 189.47 LTG 30 2101 28 10.36
NGC0691 201.11 LTG 39 2665 58 10.97
NGC0680 218.47 ETG 38 2928 14 10.98
NGC0678 222.59 LTG 41 2835 19 11.07
UGC01551 322.85 LTG 39 2671 32 9.99
NGC0628 355.2 LTG 7 657 141 10.30
NGC0660 379.01 LTG 14 850 69 10.64