The galaxy at three different stretches.Basic Information
| IDs: | MATLAS-1985 |
| J150402.53+012201.7 | |
| NGC5831-104 [internal use only] |
Coordinates [GALFIT]:
| Equitorial | 226.010559 | 1.367147 | [deg] | |
| 15:04:02.5338 | +01:22:01.7287 | [hms dms] | ||
| Galactic | 359.536041 | 49.094730 | [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 | ||
| 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 NGC5831 at a distance of 26 Mpc.
We have assumed the dwarf is a satellite of NGC5831 at a distance of 26 Mpc.
Magnitudes
Structural Parameters
| Data | Unbinned | |
| Sersic Index | 0.54 | |
| Effective Radius | [arcsec] | 14.48 |
| Axis Ratio | 0.76 | |
| Position Angle | 43.58 |
HI Data
No HI data was found for this dwarf.
Globular Clusters
Globular cluster candidates within 72.4 arcsec (5Re) of the dwarf:
| ID | RA, Dec | Gaia | Sep | Sep | g | (g-r) | (g-i) | (u-g) | IC |
| Flag | [''] | [1/Re] | |||||||
| 1 | 226.010341, 1.366752 | 0 | 1.37 | 0.09 | 24.31±0.07 | 0.49±0.11 | 0.78±0.10 | -- | 0.05 |
| 2 | 226.009979, 1.365848 | 0 | 4.86 | 0.34 | 23.94±0.03 | 0.60±0.05 | -- | -- | 0.01 |
| 23.83± 0.05 | 0.46± 0.08 | 0.63± 0.08 | -- | 0.02 | |||||
| 3 | 226.011859, 1.365345 | 0 | 7.76 | 0.54 | 22.06±0.01 | 0.74±0.01 | 1.04±0.01 | -- | 0.00 |
| 22.06± 0.01 | 0.72± 0.01 | -- | -- | -0.02 | |||||
| 4 | 226.012100, 1.371430 | 0 | 16.66 | 1.15 | 24.28±0.07 | 0.63±0.10 | 0.83±0.10 | -- | 0.06 |
| 5 | 226.012986, 1.362463 | 0 | 18.73 | 1.29 | 23.27±0.02 | 0.50±0.03 | -- | -- | 0.03 |
| 6 | 226.013557, 1.359547 | 0 | 29.14 | 2.01 | 23.33±0.02 | 0.48±0.03 | -- | -- | -0.01 |
| 23.23± 0.02 | 0.47± 0.04 | 0.70± 0.03 | -- | 0.05 | |||||
| 7 | 226.011578, 1.375247 | 0 | 29.68 | 2.05 | 22.47±0.01 | 0.51±0.02 | -- | -- | 0.08 |
| 8 | 226.001934, 1.368006 | 0 | 31.23 | 2.16 | 23.94±0.06 | 0.72±0.09 | 0.76±0.09 | -- | 0.05 |
| 23.87± 0.03 | 0.48± 0.05 | -- | -- | -0.01 | |||||
| 9 | 226.019485, 1.364383 | 0 | 33.54 | 2.32 | 21.31±0.00 | 0.58±0.01 | -- | -- | -0.01 |
| 21.28± 0.01 | 0.60± 0.01 | 0.80± 0.01 | -- | -0.01 | |||||
| 10 | 226.016533, 1.359317 | 0 | 35.22 | 2.43 | 23.29±0.02 | 0.60±0.04 | 0.82±0.03 | -- | 0.00 |
| 23.24± 0.02 | 0.52± 0.03 | -- | -- | 0.00 | |||||
| 11 | 226.009491, 1.356911 | 1 | 36.76 | 2.54 | 20.43±0.00 | 0.61±0.00 | -- | -- | 0.01 |
| 20.42± 0.00 | 0.64± 0.00 | 0.85± 0.00 | -- | 0.00 | |||||
| 12 | 226.009416, 1.377436 | 0 | 37.56 | 2.59 | 20.36±0.00 | 0.64±0.00 | 0.84±0.00 | -- | -0.01 |
| 20.35± 0.00 | 0.59± 0.00 | -- | -- | 0.00 | |||||
| 13 | 226.026286, 1.367859 | 1 | 56.67 | 3.91 | 19.96±0.00 | 0.42±0.00 | -- | -- | 0.00 |
| 14 | 226.014145, 1.384882 | 0 | 65.42 | 4.52 | 24.30±0.06 | 0.57±0.09 | 1.20±0.07 | -- | 0.03 |
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] | [''] | |||
| NGC5831 | 8.9 | ETG | 26 | 1645 | 25 | 10.79 |
| NGC5839 | 26.61 | ETG | 22 | 1220 | 17 | 10.32 |
| NGC5845 | 33.61 | ETG | 25 | 1472 | 6 | 10.48 |
| NGC5846 | 39.36 | ETG | 24 | 1712 | 59 | 11.32 |
| NGC5813 | 47.28 | ETG | 31 | 1956 | 58 | 11.35 |
| NGC5850 | 47.48 | LTG | 38 | 2556 | 68 | 11.24 |
| NGC5838 | 48.66 | ETG | 22 | 1341 | 25 | 10.96 |
| NGC5806 | 68.19 | LTG | 21 | 1359 | 32 | 10.60 |
| NGC5854 | 91.44 | ETG | 26 | 1663 | 18 | 10.63 |
| NGC5869 | 102.07 | ETG | 25 | 2065 | 20 | 10.62 |
NED
MUSE spectra of MATLAS-2019
Galfit modeling of the dwarfs and nuclei
Dwarf galaxies in flattened structures
Properties of the UDG candidates
HST imaging of MATLAS-2019 GCs
HI detections in the dwarfs
MATLAS-2019 MUSE spectral datacube
Last updated: 15 Sept 2021
Relevant papers:
Overview of the dwarf surveyMUSE spectra of MATLAS-2019
Galfit modeling of the dwarfs and nuclei
Dwarf galaxies in flattened structures
Properties of the UDG candidates
HST imaging of MATLAS-2019 GCs
HI detections in the dwarfs
Data in VizieR:
Structure and morphologyMATLAS-2019 MUSE spectral datacube
Related Websites:
ATLAS3D surveyLast updated: 15 Sept 2021