CWNU 1971

0.30 UTI

0.25

C_N

0.26

C_dens

0.38

C_C3

0.31

C_lit

1.0

C_dup

C3 classification BC

Number of members (P>50%) 25

Radius (P>50% members) 5.4 [arcmin]

C_N 0.25 Poorly populated
C_dens 0.26 Loose
C_C3 0.38 Low quality
C_lit 0.31 Poorly studied
C_dup 1.0 Unique

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

Overview

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CWNU 1971 is a poorly populated, loose object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for CWNU 1971 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	–	89.737	23.432	0.358	0.176	-3.073	–
Zhang et al.	2024	89.751	23.434	–	–	–	–
Hunt & Reffert	2024	89.751	23.434	0.375	0.233	-3.079	–
Cavallo et al.	2024	89.759	23.478	0.372	–	–	–
Hunt & Reffert	2023	89.751	23.434	0.375	0.233	-3.079	–
He et al.	2023	89.73	23.428	0.365	0.167	-3.072	–

💡 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
Zhang et al.	2024	–	–	–	–	-0.365*	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	239*	–	–
Cavallo et al.	2024	2.65	2.78	–	105	0.190	–	–	–
Hunt & Reffert	2023	2.44	2.54	1.03	145	–	–	–	–
He et al.	2023	2.51	2.90	–	141	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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