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-1847
J142054.15+032215.6
NGC5574-v6 [internal use only]

Coordinates   [GALFIT]:
Equitorial 215.225601 3.371014 [deg]
14:20:54.1453 +03:22:15.6494 [hms dms]
Galactic 348.792786 58.040630 [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]
NGC5574 g 14 4830 1.05 721.79 Full Field
r 7 2415 0.93 981.14

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC5574 at a distance of 23 Mpc.

Magnitudes

Galfit magnitudes
g 18.77
r 18.18
Extinction: SDSS MegaCam
g 0.11 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 25.40
μRe 26.78
⟨ μRe ⟩ 26.18

Structural Parameters


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

Data Unbinned
Sersic Index 0.81
Effective Radius [arcsec]17.12
Axis Ratio 0.74
Position Angle 12.53

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 85.6 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 215.228612, 3.376171 0 21.471.2520.78±0.000.83±0.00 -- -- 0.03
2 215.228333, 3.377996 0 26.971.5823.34±0.020.51±0.02 -- -- 0.06
3 215.235775, 3.370601 0 36.562.1423.80±0.020.58±0.04 -- -- 0.07
4 215.211353, 3.372049 0 51.37322.77±0.010.45±0.02 -- -- 0.01
5 215.236107, 3.382197 1 55.173.2221.17±0.000.83±0.00 -- -- 0.01
6 215.234086, 3.356976 1 59.013.4519.99±0.000.45±0.00 -- -- 0.03
7 215.219391, 3.386733 0 60.843.5519.24±0.000.55±0.00 -- -- -0.01
8 215.245270, 3.372169 0 70.774.1323.28±0.020.39±0.03 -- -- 0.05

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] ['']
NGC5577 6.12 LTG 25 1489 33 10.20
NGC5576 6.45 ETG 25 1506 22 10.97
NGC5574 7.99 ETG 23 1589 13 10.23
NGC5566 34.82 LTG 25 1507 34 11.15
NGC5560 39.3 LTG 28 1729 19 10.41
NGC5638 131.6 ETG 26 1652 28 10.83
IC1024 159.51 ETG 24 1479 11 10.05
NGC5584 226.62 LTG 26 1638 45 10.17
NGC5661 239.05 LTG 36 2354 13 9.94
NGC5690 259.64 LTG 28 1753 28 10.61