CWNU 275

0.29 UTI

0.39

C_N

0.16

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 39

Core radius and density 1.1 [pc], 0.8 [pc^-2]

C3 classification AB

C_N 0.39 Poorly populated
C_dens 0.16 Very 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

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CWNU 275 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Relatively close Low extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for CWNU 275 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–	266.421	-40.838	0.828	2.615	-2.302	-36.604
Hunt & Reffert	2024	266.37	-40.816	0.818	2.674	-2.22	-19.081
Cavallo et al.	2024	266.714	-40.662	0.819	–	–	–
Hunt & Reffert	2023	266.37	-40.816	0.818	2.674	-2.22	-19.081
He et al.	2022	266.418	-40.803	0.8	2.63	-2.21	-38.2

💡 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–	1.16	0.73	1.31	38	0.284	185	–	–
Hunt & Reffert	2024	1.15	0.69	1.31	37	–	185⁽¹⁾	–	–
Cavallo et al.	2024	1.17	0.77	–	39	0.170	–	–	–
Hunt & Reffert	2023	1.15	0.69	1.31	37	–	–	–	–
He et al.	2022	1.35	0.95	–	63	0.398	–	–	–

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

Visualization

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