Juchert J1919.4+1453

0.33 UTI

0.54

C_N

0.22

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 57

Core radius and density 2.0 [pc], 1.1 [pc^-2]

C3 classification AB

C_N 0.54 Moderately populated
C_dens 0.22 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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Juchert J1919.4+1453 is a moderately populated, very loose object of high C3 quality. Its parallax locates it at a very large distance, above the mid-plane, affected by very high extinction. It is catalogued as a very massive, near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

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

Extremely distant Very high extinction Very massive Near-solar metallicity Young

Cavallo et al. (2024)
Wood sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.07 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.07 (50th percentile).

Bica et al. (2019)
Asterisms and cluster alikes by B. Alessi reported in DAML02.

Data

🔍 Search references for Juchert J1919.4+1453 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–	289.866	14.905	0.096	-3.157	-6.381	34.757
Hunt & Reffert	2024	289.865	14.903	0.068	-3.138	-6.354	133.122
Cavallo et al.	2024	289.866	14.903	0.07	–	–	–
Hunt & Reffert	2023	289.865	14.903	0.068	-3.138	-6.354	133.122
Bica et al.	2019	289.859	14.894	–	–	–	–

💡 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–	10.44	6.55	1.95	26	0.030	5147	–	–
Hunt & Reffert	2024	10.44	6.55	1.95	27	–	5147⁽¹⁾	–	–
Cavallo et al.	2024	5.25	5.35	–	13	0.030	–	–	–
Hunt & Reffert	2023	10.44	6.55	1.95	26	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3933	80.7	289.87	14.9	0.1	-3.15	-6.39	34.56	0.06

💡 Note: The % column shows the percentage of members that Juchert J1919.4+1453 shares with each listed object.

Visualization

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