Chupina 4

(MWSC 1590)

0.35 UTI

0.0

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 24

Stellar density (N₅₀/rad) 7.5 [N/pc²]

C3 classification BA

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.75 High 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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Chupina 4 is a sparse, very dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane. It is catalogued as a near-solar metallicity cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 6 years.

Note: This object shares a large percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

Near-solar metallicity

Data

🔍 Search references for Chupina 4 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–	133.009	12.337	1.154	-10.931	-2.95	33.991
Donor et al.	2020	133.0	12.378	–	-10.99	-2.86	33.8
Bica et al.	2019	132.998	12.377	–	–	–	–
Dias et al.	2002	133.0	12.378	–	4.58	-14.11	–

💡 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–	–	–	–	–	0.000	–	–	–
Donor et al.	2020	–	–	–	–	0.000	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Melotte 94	100.0	132.85	11.82	1.15	-10.97	-2.91	33.91	1.0
CWWDL 14090	40.0	132.84	11.82	1.15	-10.98	-2.91	33.79	0.0

💡 Note: The % column shows the percentage of members that Chupina 4 shares with each listed object.

Visualization

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