OC 0124

0.07 UTI

0.58

C_N

1.0

C_dens

0.75

C_C3

0.25

C_lit

0.12

C_dup

N₅₀ (P>50% members) 66

Stellar density (N₅₀/rad) 12.7 [N/pc²]

C3 classification BA

C_N 0.58 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.25 Poorly studied
C_dup 0.12 Likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0124 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is poorly studied in the literature.

⚠️ Warning: This is likely a duplicate object, which shares a large percentage of members with at least one previously reported entry, and a small percentage with at least one entry reported in the same catalogue. See table with shared members information.

Relatively close High extinction Near-solar metallicity Young

Palma et al. (2025)
Part of multiple system G71, along with Dolidze_11 and FSR_0227.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for OC 0124 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	306.406	40.908	0.511	-3.095	-4.179	45.724
Hunt & Reffert	2024	306.438	40.924	0.491	-3.115	-4.137	45.631
Cavallo et al.	2024	306.409	40.914	0.492	–	–	–
Hunt & Reffert	2023	306.438	40.924	0.491	-3.115	-4.137	45.631
Hao et al.	2022	306.448	40.911	0.546	-3.017	-4.558	–

💡 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]	B_frac	BSS
UCC	99999–	1.63	3.04	2.18	64	0.066	380	–	–
Hunt & Reffert	2024	–	–	–	–	–	380⁽¹⁾	–	–
Cavallo et al.	2024	1.36	3.06	–	123	-0.480	–	–	–
Hunt & Reffert	2023	1.90	3.04	2.18	64	–	–	–	–
Hao et al.	2022	–	1.85	–	16	0.611	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
FoF 503	87.9	306.37	40.88	0.51	-3.06	-4.57	-13.11	0.55
OC 0123	24.2	306.35	40.85	0.56	-3.03	-4.73	-20.58	0.02

💡 Note: The % column shows the percentage of members that OC 0124 shares with each listed object.

Visualization

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