CWNU 1550

0.38 UTI

0.39

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 39

Stellar density (N₅₀/rad) 7.4 [N/pc²]

C3 classification BB

C_N 0.39 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 1550 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It was recently reported in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Distant Moderate extinction Young

Data

🔍 Search references for CWNU 1550 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	99999–	94.473	9.678	0.304	-1.015	-0.048	43.727
He et al.	2023	94.471	9.682	0.305	-1.017	-0.066	51.38

💡 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]	B_frac	BSS
UCC	99999–	3.55	1.55	–	56	–	–	–	–
He et al.	2023	3.55	1.55	–	56	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 4212	92.3	94.47	9.68	0.3	-1.01	-0.07	43.73	0.04
CWWDL 245	89.7	94.47	9.68	0.31	-1.02	-0.05	43.73	0.02

💡 Note: The % column shows the percentage of members that CWNU 1550 shares with each listed object.

Visualization

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