UBC 173

0.70 UTI

0.78

C_N

1.0

C_dens

1.0

C_C3

0.35

C_lit

1.0

C_dup

N₅₀ (P>50% members) 192

Stellar density (N₅₀/rad) 5.0 [N/pc²]

C3 classification AA

C_N 0.78 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.35 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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UBC 173 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It is poorly studied in the literature.

Distant Moderate extinction Massive Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for UBC 173 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–	341.725	56.395	0.282	-3.363	-2.781	-72.139
Hunt & Reffert	2024	341.707	56.404	0.291	-3.446	-2.789	-81.341
Celli et al.	2024	341.704	56.408	–	–	–	–
Cavallo et al.	2024	341.718	56.414	0.291	–	–	–
Hunt & Reffert	2023	341.707	56.404	0.291	-3.446	-2.789	-81.341
Cantat-Gaudin et al.	2020	341.704	56.408	0.265	-3.405	-2.739	–
Castro-Ginard et al.	2020	341.695	56.453	0.269	-3.437	-2.735	–

💡 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–	3.18	1.8	1.95	26	0.390	1918	–	–
Hunt & Reffert	2024	–	–	–	–	–	1813⁽¹⁾	–	–
Celli et al.	2024	–	–	–	13	–	2024	–	–
Cavallo et al.	2024	2.99	1.80	–	69	0.390	–	–	–
Hunt & Reffert	2023	3.18	1.88	1.95	40	–	–	–	–
Cantat-Gaudin et al.	2020	3.60	1.55	–	13	–	–	–	–

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

Visualization

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