CWNU 3639

0.39 UTI

0.36

C_N

0.58

C_dens

1.0

C_C3

0.0

C_lit

1.0

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 0.58 Moderately dense
C_C3 1.0 Very high 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 3639 is a poorly populated, moderately dense object of very high C3 quality. Its parallax locates it at a large^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~6.74 kpc) differs significantly from the median photometric distance (~4.79 kpc).

Distant Moderate extinction Intermediate age

Data

🔍 Search references for CWNU 3639 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	–	201.849	-63.785	0.148	-6.408	-1.025	-25.019
He et al.	2023	201.863	-63.788	0.139	-6.404	-1.011	-21.87

💡 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	4.79	1.70	–	794	–	–	–	–

Visualization

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