Teutsch 198
0.34
UTI
0.41
CN
0.28
Cdens
0.75
CC3
0.13
Clit
1.0
Cdup
Nm (P>50%)
41
Core radius and density
2.0 [pc], 1.4 [pc-2]
- CN 0.41 Poorly populated
- Cdens 0.28 Loose
- CC3 0.75 High quality
- Clit 0.13 Rarely studied
- Cdup 1.0 Unique
Overview
Teutsch 198 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.
Note: This object shares a significant percentage of members with 2 later reported entries. See table with shared members information.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 98.013 | 16.093 | 0.136 | -0.014 | -0.968 | 60.736 |
| Hu & Soubiran | 2025 | 98.012 | 16.097 | â | â | â | â |
| Zhang et al. | 2024 | 98.012 | 16.096 | â | â | â | â |
| Hunt & Reffert | 2024 | 98.012 | 16.096 | 0.14 | -0.009 | -0.964 | 60.743 |
| Cavallo et al. | 2024 | 98.012 | 16.097 | 0.142 | â | â | â |
| Hunt & Reffert | 2023 | 98.012 | 16.096 | 0.14 | -0.009 | -0.964 | 60.743 |
| Bica et al. | 2019 | 98.007 | 16.095 | â | â | â | 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] | Bfrac | BSS |
|---|---|---|---|---|---|---|---|---|---|
| UCC | 99999â | 5.66 | 1.82 | 1.28 | 500 | -0.380 | 585 | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.190(5) | â | â | â |
| Zhang et al. | 2024 | â | â | â | â | -0.411(1) | â | â | â |
| Hunt & Reffert | 2024 | 5.66 | 1.82 | 1.28 | 500 | â | 585(1) | â | â |
| Cavallo et al. | 2024 | 4.66 | 1.86 | â | 617 | -0.380 | â | â | â |
| Hunt & Reffert | 2023 | 5.66 | 1.82 | 1.28 | 500 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Cavallo et al. (2024)
Gold sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.93 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.93 (50th percentile).
Bica et al. (2019)
Asterisms and cluster alikes by B. Alessi reported in DAML02.