CWNU 3866

0.45 UTI

0.6

C_N

1.0

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AC

Number of members (P>50%) 70

Radius (P>50% members) 1.5 [arcmin]

C_N 0.6 Moderately populated
C_dens 1.0 Very dense
C_C3 0.62 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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CWNU 3866 is a moderately populated, very dense object of intermediate C3 quality. Its parallax locates it at a large^* distance, near the mid-plane, affected by very high extinction. It is catalogued as an intermediate-age cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~6.71 kpc) differs significantly from the median photometric distance (~13.80 kpc).

Extremely distant Very high extinction Intermediate age

Data

🔍 Search references for CWNU 3866 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	–	262.85	-33.835	0.149	-1.957	-3.812	-18.557
He et al.	2023	262.853	-33.835	0.123	-1.949	-3.852	–

💡 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
He et al.	2023	13.80	5.90	–	501	–	–	–	–

Visualization

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