CWNU 1559

0.34 UTI

0.39

C_N

0.42

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 39

Core radius and density 1.2 [pc], 2.1 [pc^-2]

C3 classification BA

C_N 0.39 Poorly populated
C_dens 0.42 Loose
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

ℹ️

CWNU 1559 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It was recently reported in the literature.

Distant High extinction Massive Near-solar metallicity Very young

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.02 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.02 (50th percentile).

Data

🔍 Search references for CWNU 1559 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	257.503	-40.86	0.294	-1.569	-3.232	-55.497
Hunt & Reffert	2024	257.509	-40.865	0.29	-1.541	-3.224	-51.139
Cavallo et al.	2024	257.507	-40.867	0.291	–	–	–
Hunt & Reffert	2023	257.509	-40.865	0.29	-1.541	-3.224	-51.139
He et al.	2023	257.501	-40.865	0.304	-1.571	-3.232	–

💡 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–	3.09	4.945	2.7	12	-0.050	1495	–	–
Hunt & Reffert	2024	3.09	4.81	2.70	16	–	1495⁽¹⁾	–	–
Cavallo et al.	2024	2.42	5.08	–	9	-0.050	–	–	–
Hunt & Reffert	2023	3.09	4.81	2.70	16	–	–	–	–
He et al.	2023	3.47	5.80	–	4	–	–	–	–

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

Visualization

ℹ️

1 2