HXHWL 15

0.47 UTI

0.58

C_N

0.86

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N₅₀ (P>50% members) 67

Stellar density (N₅₀/rad) 4.3 [N/pc²]

C3 classification AB

C_N 0.58 Moderately populated
C_dens 0.86 Dense
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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HXHWL 15 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Palma et al. (2025)
Part of multiple system G76, along with LP_2220 and HSC_2080.

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data

🔍 Search references for HXHWL 15 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–	125.604	-41.379	0.731	-5.73	4.258	23.087
Hunt & Reffert	2024	125.568	-41.39	0.73	-5.752	4.243	14.507
Cavallo et al.	2024	125.723	-41.44	0.733	–	–	–
Hunt & Reffert	2023	125.568	-41.39	0.73	-5.752	4.243	14.507
He et al.	2021	125.644	-41.375	0.7	-5.76	4.21	–

💡 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–	1.32	0.87	0.81	105	0.250	224	–	–
Hunt & Reffert	2024	–	–	–	–	–	224⁽¹⁾	–	–
Cavallo et al.	2024	1.32	0.79	–	257	0.250	–	–	–
Hunt & Reffert	2023	1.27	0.87	0.81	80	–	–	–	–
He et al.	2021	1.51	1.39	–	105	0.250	–	–	–

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

Visualization

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