HXHWL 34

0.57 UTI

0.52

C_N

1.0

C_dens

0.75

C_C3

0.3

C_lit

1.0

C_dup

N₅₀ (P>50% members) 53

Stellar density (N₅₀/rad) 6.7 [N/pc²]

C3 classification AB

C_N 0.52 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.3 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HXHWL 34 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is poorly studied in the literature.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Classified as optical pair P537, along with Theia_1873.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HXHWL 34 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–	207.271	-60.812	0.778	-7.244	-2.223	-11.705
Wei et al.	2025	207.276	-60.767	0.768	-7.241	-2.324	–
Hunt & Reffert	2024	207.232	-60.813	0.773	-7.265	-2.221	-8.026
Cavallo et al.	2024	207.249	-60.817	0.778	–	–	–
Hunt & Reffert	2023	207.232	-60.813	0.773	-7.265	-2.221	-8.026
He et al.	2021	207.215	-60.824	0.75	-7.2	-2.26	–

💡 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–	1.215	1.03	0.94	125	0.498	208	0.34	–
Wei et al.	2025	2.51	1.23	–	63	0.500	210	0.34	–
Hunt & Reffert	2024	–	–	–	–	–	206⁽¹⁾	–	–
Cavallo et al.	2024	1.17	1.10	–	155	-0.080	–	–	–
Hunt & Reffert	2023	1.23	0.65	0.94	263	–	–	–	–
He et al.	2021	1.20	0.96	–	95	0.498	–	–	–

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

Visualization

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