Kronberger 31
(MWSC 3151; DSH J1940.1+2615)
0.41
UTI
0.41
CN
0.04
Cdens
0.5
CC3
0.55
Clit
1.0
Cdup
Radius (P>50% members)
2.6 [arcmin]
- CN 0.41 Poorly populated
- Cdens 0.04 Very loose
- CC3 0.5 Intermediate quality
- Clit 0.55 Moderately studied
- Cdup 1.0 Unique
Overview
Kronberger 31 is a poorly populated, very loose object of intermediate C3 quality. Its parallax locates it at a very large* distance, above the mid-plane, affected by high extinction. It is catalogued as an extremely massive, near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.
(*): The parallax distance estimate (~19.61 kpc) differs significantly from the median photometric distance (~12.26 kpc).
Extremely distant
High extinction
Extremely massive
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 295.033 | 26.255 | 0.051 | -2.421 | -4.449 | -24.184 |
| He et al. | 2023 | 295.043 | 26.258 | 0.039 | -2.356 | -4.444 | â |
| Just et al. | 2023 | 295.04 | 26.247 | â | â | â | â |
| Perren et al. | 2022 | 295.046 | 26.263 | â | â | â | â |
| Bica et al. | 2019 | 295.042 | 26.261 | â | â | â | â |
| Kharchenko et al. | 2016 | 295.04 | 26.247 | â | â | â | â |
| Dias et al. | 2014 | 295.046 | 26.263 | â | -3.94 | -2.92 | â |
| Kharchenko et al. | 2013 | 295.045 | 26.25 | â | -1.17 | -4.11 | â |
| Kronberger et al. | 2006 | 295.046 | 26.263 | â | â | â | â |
| Dias et al. | 2002 | 295.046 | 26.263 | â | -3.94 | -2.92 | â |
đĄ Note: The UCC values are estimated from its identified members.
| Reference | Year | Dist [kpc] | Av [mag] | DAv [mag] | Age [Myr] | [Fe/H] [dex] | Mass [Msun] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| He et al. | 2023 | 14.13 | 3.30 | â | 794 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 316 | â | 23878 | â | â |
| Perren et al. | 2022 | 7.59 | 4.09 | â | 1000 | -0.370 | 8300 | 0.80 | â |
| Kharchenko et al. | 2016 | 12.62 | 3.81 | â | 316 | â | â | â | â |
| Kharchenko et al. | 2013 | 12.62 | 3.81 | â | 316 | â | â | â | â |
| Kronberger et al. | 2006 | 11.90* | 2.60* | â | â | â | â | â | â |
| Dias et al. | 2002 | 11.90 | 2.60 | â | â | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
