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-2021
J150521.59+021020.1
NGC5838-v1 [internal use only]

Coordinates   [GALFIT]:
Equitorial 226.339981 2.172242 [deg]
15:05:21.5945 +02:10:20.0722 [hms dms]
Galactic 0.793586 49.381893 [deg]

Morph: dE
Notes: This galaxy is a UDG candidate.

This galaxy can be found in the following images:

Field Filter Nexp Texp IQ Background Image Link
[s] [''] [ADUs]
NGC5838 g 7 2415 0.87 696.71 Full Field
r 7 2415 0.84 1069.71
NGC5845 g 7 2415 0.90 863.43 Full Field
r 7 2415 0.63 1622.57
i 7 1610 0.39 1255.14

Distance Estimates

No distance estimates have been found.
We have assumed the dwarf is a satellite of NGC5838 at a distance of 22 Mpc.

Magnitudes

Galfit magnitudes
g 19.35
r 19.33
i 19.46
Extinction: SDSS MegaCam
g 0.17 0.17
r 0.12 0.12
i 0.09 0.09
SDSS values from IRSA, MegaCam values transformed following Gwyn 2008.
Surface Brightness
μ0 26.06
μRe 27.44
⟨ μRe ⟩ 26.84

Structural Parameters


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

Data Unbinned
Sersic Index 0.71
Effective Radius [arcsec]17.79
Axis Ratio 0.88
Position Angle -16.05

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 88.95 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 226.336479, 2.173836 0 13.840.7822.99±0.020.81±0.031.26±0.03 -- 0.07
22.96± 0.02 0.82± 0.03 -- -- 0.03
2 226.330666, 2.167205 0 38.102.1423.93±0.040.49±0.08 -- -- 0.02
3 226.332480, 2.183557 0 48.862.7518.76±0.000.41±0.00 -- -- -0.01
4 226.348522, 2.188021 0 64.583.6323.28±0.020.58±0.03 -- -- 0.08
5 226.325651, 2.160758 0 66.083.7123.99±0.040.84±0.071.27±0.06 -- 0.00
6 226.334570, 2.153386 0 70.623.9723.79±0.040.88±0.051.23±0.05 -- -0.01
7 226.358904, 2.178462 0 71.664.0320.50±0.000.47±0.000.63±0.00 -- 0.01
20.47± 0.00 0.46± 0.00 -- -- 0.03
8 226.335258, 2.191995 0 73.114.1124.38±0.070.74±0.100.78±0.10 -- -0.01
9 226.321630, 2.181707 0 74.294.1823.26±0.030.80±0.041.14±0.03 -- 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] ['']
NGC5838 4.53 ETG 22 1341 25 10.96
NGC5839 32.29 ETG 22 1220 17 10.32
NGC5845 33.76 ETG 25 1472 6 10.48
NGC5846 37.97 ETG 24 1712 59 11.32
NGC5854 43.56 ETG 26 1663 18 10.63
NGC5850 46.07 LTG 38 2556 68 11.24
NGC5831 60.1 ETG 26 1645 25 10.79
NGC5813 68.62 ETG 31 1956 58 11.35
NGC5806 81.99 LTG 21 1359 32 10.60
NGC5864 82.16 ETG 29 1874 22 10.76