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-2019
J150520.15+014845.6
NGC5831-172 [internal use only]

Coordinates   [GALFIT]:
Equitorial 226.333954 1.812656 [deg]
15:05:20.1506 +01:48:45.5607 [hms dms]
Galactic 0.372949 49.149525 [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]
NGC5831 g 7 2415 0.87 700.14 Full Field
r 7 2415 1.04 1057.14
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

Source Measurement Notes Dist
MUSE stacked spectra v = 2156.4±5.6 km/s SNR = 12.40 dhf = 30.81 Mpc
GCLF d = 20.25 Mpc


Magnitudes

Galfit magnitudes
g 17.79
r 17.15
i 16.85
Extinction: SDSS MegaCam
g 0.18 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 24.42
μRe 25.81
⟨ μRe ⟩ 25.21

Structural Parameters


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

Data Unbinned
Sersic Index 0.73
Effective Radius [arcsec]17.16
Axis Ratio 0.90
Position Angle 80.34

HI Data

No HI data was found for this dwarf.

Globular Clusters

Globular cluster candidates within 85.8 arcsec (5Re) of the dwarf:

ID RA, Dec Gaia SepSepg (g-r) (g-i) (u-g) IC
Flag [''][1/Re]
1 226.333934, 1.812385 0 0.980.0622.91±0.020.47±0.04 -- -- 0.06
22.90± 0.01 0.56± 0.02 -- -- 0.03
2 226.334547, 1.812943 0 2.350.1422.47±0.010.55±0.01 -- -- 0.06
22.46± 0.01 0.43± 0.03 -- -- 0.04
3 226.335171, 1.813665 0 5.670.3323.59±0.040.43±0.07 -- -- 0.00
23.49± 0.02 0.51± 0.03 -- -- 0.05
4 226.333508, 1.811049 0 6.010.3523.53±0.020.46±0.03 -- -- 0.05
5 226.335665, 1.811605 0 7.210.4223.38±0.030.59±0.05 -- -- 0.00
23.36± 0.02 0.59± 0.03 -- -- 0.00
6 226.333831, 1.810602 0 7.410.4323.63±0.020.49±0.040.74±0.04 -- 0.06
23.62± 0.03 0.53± 0.04 -- -- 0.03
23.59± 0.04 0.54± 0.07 -- -- 0.01
7 226.335804, 1.813576 0 7.410.4324.30±0.050.73±0.070.80±0.07 -- 0.06
8 226.331109, 1.810585 0 12.680.7424.48±0.060.54±0.090.88±0.08 -- 0.05
9 226.331374, 1.815105 0 12.820.7523.65±0.040.59±0.07 -- -- 0.08
10 226.336461, 1.815230 0 12.920.7523.81±0.050.59±0.08 -- -- -0.02
23.81± 0.04 0.61± 0.05 0.75± 0.06 -- 0.04
23.79± 0.03 0.52± 0.04 -- -- 0.04
11 226.329943, 1.811478 0 15.060.8824.23±0.060.64±0.080.83±0.08 -- 0.03
12 226.336551, 1.817477 0 19.701.1523.33±0.020.59±0.030.77±0.03 -- 0.05
23.32± 0.03 0.51± 0.05 -- -- 0.01
23.32± 0.02 0.56± 0.03 -- -- 0.07
13 226.331466, 1.806360 0 24.381.4221.71±0.010.78±0.011.10±0.01 -- 0.00
21.71± 0.00 0.80± 0.01 -- -- -0.01
21.69± 0.01 0.72± 0.01 -- -- -0.01
14 226.338932, 1.805373 0 31.741.8522.98±0.010.37±0.020.77±0.02 -- 0.01
15 226.333089, 1.802723 0 35.902.0923.16±0.020.66±0.02 -- -- 0.01
23.16± 0.03 0.59± 0.04 -- -- 0.00
16 226.332267, 1.802797 0 36.012.122.72±0.010.52±0.020.64±0.02 -- 0.01
22.71± 0.01 0.53± 0.01 -- -- 0.00
17 226.341874, 1.799754 1 54.483.1719.43±0.000.47±0.00 -- -- 0.01
19.42± 0.00 0.42± 0.00 -- -- 0.01
18 226.324468, 1.824831 0 55.573.2420.41±0.000.85±0.00 -- -- 0.01
20.38± 0.00 0.88± 0.00 1.23± 0.00 -- 0.00
19 226.323133, 1.827017 0 64.743.7723.99±0.040.83±0.05 -- -- -0.01
23.96± 0.04 0.84± 0.05 1.17± 0.05 -- -0.02
20 226.346743, 1.825411 0 64.993.7924.41±0.050.61±0.080.65±0.08 -- 0.04
21 226.350686, 1.822435 0 69.734.0623.74±0.030.82±0.041.12±0.04 -- -0.01
23.55± 0.02 0.73± 0.03 -- -- 0.01
22 226.314359, 1.819452 0 74.654.3521.31±0.000.71±0.00 -- -- 0.01
21.29± 0.00 0.66± 0.00 0.94± 0.00 -- -0.01
21.29± 0.01 0.58± 0.01 -- -- -0.02
23 226.320743, 1.796216 0 75.924.4222.38±0.010.61±0.02 -- -- -0.01
22.38± 0.01 0.61± 0.01 -- -- 0.01
22.38± 0.01 0.64± 0.01 0.91± 0.01 -- -0.01
24 226.318567, 1.828256 0 78.884.622.74±0.010.43±0.02 -- -- 0.01
25 226.322276, 1.831942 0 81.174.7320.33±0.000.82±0.00 -- -- 0.00
20.32± 0.00 0.79± 0.01 -- -- 0.01
20.29± 0.00 0.78± 0.00 1.10± 0.00 -- -0.02
26 226.349108, 1.795286 0 82.954.8320.79±0.000.43±0.000.60±0.00 -- 0.01
20.79± 0.00 0.46± 0.00 -- -- 0.01
20.79± 0.00 0.43± 0.01 -- -- 0.01
27 226.316649, 1.796480 0 85.274.9723.53±0.020.50±0.03 -- -- -0.01
23.51± 0.02 0.41± 0.04 0.60± 0.04 -- -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] ['']
NGC5839 10.84 ETG 22 1220 17 10.32
NGC5845 14.77 ETG 25 1472 6 10.48
NGC5838 17.27 ETG 22 1341 25 10.96
NGC5846 21.27 ETG 24 1712 59 11.32
NGC5850 31.33 LTG 38 2556 68 11.24
NGC5831 39.99 ETG 26 1645 25 10.79
NGC5854 58.45 ETG 26 1663 18 10.63
NGC5813 62.55 ETG 31 1956 58 11.35
NGC5806 80.03 LTG 21 1359 32 10.60
NGC5864 97.68 ETG 29 1874 22 10.76