CWNU 1544

0.43 UTI

0.33

C_N

0.93

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 33

Core radius and density 0.6 [pc], 4.7 [pc^-2]

C3 classification AB

C_N 0.33 Poorly populated
C_dens 0.93 Very dense
C_C3 0.75 High quality
C_lit 0.06 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 1544 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a metal-poor, intermediate-age cluster (see Parameters). It was recently reported in the literature.

Distant High extinction Metal-poor Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.08 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.08 (50th percentile).

Data

🔍 Search references for CWNU 1544 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–	180.199	-64.057	0.23	-4.504	0.67	-14.79
Hunt & Reffert	2024	180.206	-64.057	0.223	-4.492	0.673	-9.953
Cavallo et al.	2024	180.168	-64.068	0.225	–	–	–
Hunt & Reffert	2023	180.206	-64.057	0.223	-4.492	0.673	-9.953
He et al.	2023	180.191	-64.058	0.23	-4.493	0.68	-14.02

💡 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–	3.855	3.07	1.98	334	-0.510	519	–	–
Hunt & Reffert	2024	3.91	3.07	1.98	221	–	519⁽¹⁾	–	–
Cavallo et al.	2024	2.88	3.11	–	457	-0.510	–	–	–
Hunt & Reffert	2023	3.91	3.07	1.98	221	–	–	–	–
He et al.	2023	3.80	3.05	–	447	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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