UPK 599

0.78 UTI

0.75

C_N

0.73

C_dens

1.0

C_C3

0.7

C_lit

1.0

C_dup

N₅₀ (P>50% members) 100

Stellar density (N₅₀/rad) 3.7 [N/pc²]

C3 classification AA

C_N 0.75 Rich
C_dens 0.73 Moderately dense
C_C3 1.0 Very high quality
C_lit 0.7 Moderately studied
C_dup 1.0 Unique

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MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UPK 599 is a rich, moderately dense object of very high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is moderately studied in the literature.

Close Low extinction Near-solar metallicity Young

Palma et al. (2025)
Classified as genetic pair P245, along with Theia_6680.

Cavallo et al. (2024)
Gold sample.

Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: good fit. Silver sample.

Data

🔍 Search references for UPK 599 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–	205.762	-38.561	1.486	-9.975	0.232	-9.986
Li et al.	2025	205.84	-38.576	1.458	-9.945	0.293	–
Almeida et al.	2025	205.878	-38.647	–	–	–	–
Alfonso et al.	2024	205.746	-38.527	1.434	-9.98	0.224	–
Hunt & Reffert	2024	206.089	-38.77	1.463	-10.022	0.284	-8.648
Celli et al.	2024	205.84	-38.576	–	–	–	–
Cavallo et al.	2024	205.68	-38.493	1.477	–	–	–
Hunt & Reffert	2023	206.089	-38.77	1.463	-10.022	0.284	-8.648
He et al.	2022	205.714	-38.603	1.489	-10.035	0.239	–
Dias et al.	2021	205.878	-38.647	1.479	-9.933	0.332	-8.062
Spina et al.	2021	205.868	-38.574	1.459	-9.925	0.331	–
Cantat-Gaudin et al.	2020	205.84	-38.576	1.458	-9.945	0.293	–
Cantat-Gaudin & Anders	2020	205.84	-38.574	1.448	-9.995	0.369	–
Sim et al.	2019	205.944	-38.581	–	-9.95	0.3	–

💡 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–	0.68	0.16	0.82	20	0.137	132	–	–
Li et al.	2025	0.78	0.13	–	125	0.253	–	–	–
Almeida et al.	2025	0.68	0.25	–	76	–	132	–	–
Alfonso et al.	2024	0.65	0.10	–	25	0.137	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	41⁽¹⁾	–	–
Celli et al.	2024	–	–	–	20	–	152	–	–
Cavallo et al.	2024	0.74	0.41	–	6	-0.060	–	–	–
Hunt & Reffert	2023	0.65	0.19	0.82	13	–	–	–	–
He et al.	2022	–	0.05	–	18	–	–	–	–
Dias et al.	2021	0.68	0.25	–	76	0.137	–	–	–
Spina et al.	2021	0.69	–	–	19	–	–	–	–
Cantat-Gaudin et al.	2020	0.65	0.10	–	19	–	–	–	–
Cantat-Gaudin & Anders	2020	0.68	–	–	–	–	–	–	–
Sim et al.	2019	0.67	–	–	20	–	–	–	–

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

Visualization

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