OC 0172

0.00 UTI

0.36

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

C3 classification AA

Number of members (P>50%) 36

Radius (P>50% members) 1.8 [arcmin]

C_N 0.36 Poorly populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OC 0172 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, very young cluster (see Parameters). It is rarely studied in the literature.

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

Moderate extinction Metal-rich Very young

Data

🔍 Search references for OC 0172 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	–	333.085	57.269	0.291	-3.781	-3.082	-61.986
Hao et al.	2022	333.071	57.267	0.316	-3.757	-3.097	-57.125

💡 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
Hao et al.	2022	–	2.88	–	13	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
NGC 7235	100.0	333.07	57.27	0.27	-3.78	-3.08	-63.39	0.96
OC 0171	83.3	333.07	57.27	0.28	-3.81	-3.08	-61.99	0.0
OC 0173	30.6	333.1	57.28	0.28	-3.82	-3.12	-61.99	0.0

💡 Note: The % column shows the percentage of members that OC 0172 shares with each listed object.

Visualization

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