OCSN 10

0.43 UTI

0.43

C_N

0.23

C_dens

1.0

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 43

Stellar density (N₅₀/rad) 1.2 [N/pc²]

C3 classification AA

C_N 0.43 Poorly populated
C_dens 0.23 Very loose
C_C3 1.0 Very high quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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OCSN 10 is a poorly populated, very loose object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

Very close Low extinction Near-solar metallicity Young

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P49, along with HSC_388.

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as a moving group.

Data

🔍 Search references for OCSN 10 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–	276.338	15.454	2.698	-1.804	-7.558	-13.099
Zhang et al.	2024	276.089	15.69	–	–	–	–
Cavallo et al.	2024	277.765	17.282	2.699	–	–	–
Hunt & Reffert	2023	276.089	15.69	2.693	-1.586	-7.291	-9.738
Qin et al.	2023	275.41	14.82	2.73	-2.06	-7.64	-14.98

💡 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–	0.38	0.59	0.49	28	-0.003	–	–	–
Zhang et al.	2024	–	–	–	–	-0.006⁽¹⁾	–	–	–
Cavallo et al.	2024	0.38	0.86	–	17	0.000	–	–	–
Hunt & Reffert	2023	0.36	0.38	0.49	55	–	–	–	–
Qin et al.	2023	0.50	0.59	–	28	–	–	–	–

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

Visualization

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