CWNU 3309

0.16 UTI

0.71

C_N

0.45

C_dens

0.75

C_C3

0.0

C_lit

0.42

C_dup

C3 classification AB

Number of members (P>50%) 92

Radius (P>50% members) 2.7 [arcmin]

C_N 0.71 Moderately populated
C_dens 0.45 Loose
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.42 Possibly duplicate

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

Overview

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CWNU 3309 is a moderately populated, loose object of high C3 quality. Its parallax locates it at a large distance, well below the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.

Very distant Moderate extinction Young

Data

🔍 Search references for CWNU 3309 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	–	101.455	-7.311	0.123	-0.073	0.761	68.803
He et al.	2023	101.455	-7.313	0.114	-0.083	0.768	68.8

💡 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	7.76	1.50	–	25	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 1728	57.6	101.45	-7.31	0.12	-0.07	0.76	68.8	0.5

💡 Note: The % column shows the percentage of members that CWNU 3309 shares with each listed object.

Visualization

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