Dolidze 33
(MWSC 2973)
0.40
UTI
0.37
CN
0.23
Cdens
0.75
CC3
0.32
Clit
1.0
Cdup
Nm (P>50%)
37
Core radius and density
1.4 [pc], 1.1 [pc-2]
- CN 0.37 Poorly populated
- Cdens 0.23 Very loose
- CC3 0.75 High quality
- Clit 0.32 Poorly studied
- Cdup 1.0 Unique
đĨ Members
đ Colab
đŦ Bayestar19
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
MOCA
đ CDS
đ Simbad
đ CDS (Îą, δ)
đ Simbad (Îą, δ)
Overview
Dolidze 33 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a moderate* distance, near the mid-plane, affected by high extinction. It is catalogued as a metal-poor, young cluster (see Parameters). It is poorly studied in the literature.
(*): The parallax distance estimate (~3.22 kpc) differs significantly from the median photometric distance (~2.06 kpc).
Note: This object shares a significant percentage of members with a later reported entry. 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 | 280.31 | -4.365 | 0.311 | -0.77 | -2.799 | â |
| Hunt & Reffert | 2024 | 280.303 | -4.376 | 0.317 | -0.765 | -2.822 | â |
| Cavallo et al. | 2024 | 280.298 | -4.364 | 0.316 | â | â | â |
| Hunt & Reffert | 2023 | 280.303 | -4.376 | 0.317 | -0.765 | -2.822 | â |
| Just et al. | 2023 | 280.301 | -4.374 | â | â | â | â |
| Dias et al. | 2018 | â | â | â | -1.27 | -2.21 | â |
| Dib et al. | 2018 | 280.308 | -4.373 | â | â | â | â |
| Sampedro et al. | 2017 | 280.325 | -4.36 | â | -0.36 | -1.02 | â |
| Kharchenko et al. | 2016 | 280.301 | -4.374 | â | â | â | â |
| Dias et al. | 2014 | 280.325 | -4.36 | â | -0.5 | -1.9 | â |
| Kharchenko et al. | 2013 | 280.308 | -4.373 | â | -2.3 | -5.0 | â |
| Morales et al. | 2013 | 280.325 | -4.36 | â | â | â | â |
| Lynga | 1987 | 280.184 | -4.397 | 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 | 2.065 | 4.21 | 2.695 | 20 | -0.840 | 478 | â | â |
| Hunt & Reffert | 2024 | 2.91 | 4.21 | 2.70 | 7 | â | 705(1) | â | â |
| Cavallo et al. | 2024 | 2.20 | 4.31 | â | 4 | -0.840 | â | â | â |
| Hunt & Reffert | 2023 | 2.91 | 4.21 | 2.69 | 7 | â | â | â | â |
| Just et al. | 2023 | â | â | â | 20 | â | 251 | â | â |
| Dib et al. | 2018 | 1.93 | â | â | 20 | â | â | â | â |
| Kharchenko et al. | 2016 | 1.93 | 3.65 | â | 20 | â | â | â | â |
| Kharchenko et al. | 2013 | 1.93 | 3.65 | â | 20 | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
Cavallo et al. (2024)
Silver sample.
Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.28 (50th percentile).
Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.28 (50th percentile).
Dias et al. (2022)
Likely not a real open cluster.
Bica et al. (2019)
Analysis of Dolidze objects by M. Kronberger reported in DAML02.
Morales et al. (2013)
Classified as morphological type 'OC2' (totally exposed cluster without correlation with ATLASGAL emission). Morphological flag: one or a few submm emission within the cluster area.