UPK 127

0.65 UTI

0.8

C_N

1.0

C_dens

0.75

C_C3

0.35

C_lit

1.0

C_dup

N₅₀ (P>50% members) 226

Stellar density (N₅₀/rad) 40.0 [N/pc²]

C3 classification AB

C_N 0.8 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.35 Poorly 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 127 is a rich, very dense object of high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.

Close High extinction Near-solar metallicity Very young

Palma et al. (2025)
Part of multiple system G188, along with UPK_126 and HSC_662.

Cavallo et al. (2024)
Wood sample.

Data

🔍 Search references for UPK 127 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–	313.258	44.397	1.223	-1.284	-3.137	-18.915
Zhang et al.	2024	313.401	44.406	–	–	–	–
Hunt & Reffert	2024	313.401	44.406	1.221	-1.293	-3.072	-14.824
Cavallo et al.	2024	313.255	44.431	1.218	–	–	–
Hunt & Reffert	2023	313.401	44.406	1.221	-1.293	-3.072	-14.824
He et al.	2022	313.091	44.344	1.223	-1.261	-3.212	–
Sim et al.	2019	313.211	44.338	–	-1.29	-3.08	–

💡 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–	0.8	3.8	2.91	3	0.015	554	–	–
Zhang et al.	2024	–	–	–	–	-0.081⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	554⁽¹⁾	–	–
Cavallo et al.	2024	1.28	3.21	–	11	0.110	–	–	–
Hunt & Reffert	2023	0.79	3.89	2.91	4	–	–	–	–
He et al.	2022	–	3.80	–	2	–	–	–	–
Sim et al.	2019	0.80	–	–	2	–	–	–	–

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

Visualization

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