CWNU 4540

0.28 UTI

0.68

C_N

0.34

C_dens

0.38

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BC

Number of members (P>50%) 87

Radius (P>50% members) 9.3 [arcmin]

C_N 0.68 Moderately populated
C_dens 0.34 Loose
C_C3 0.38 Low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

ℹ️

CWNU 4540 is a moderately populated, loose object of low C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster (see Parameters). It was recently reported in the literature.

Relatively close Moderate extinction Intermediate age

Data

🔍 Search references for CWNU 4540 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	313.934	48.062	0.381	-3.561	-6.798	-47.605
He et al.	2023	313.926	48.07	0.38	-3.566	-6.899	–

💡 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	2.88	2.85	–	631	–	–	–	–

Visualization

ℹ️