HSC 408

0.28 UTI

0.44

C_N

0.13

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 44

Core radius and density 2.5 [pc], 0.7 [pc^-2]

C3 classification BA

C_N 0.44 Poorly populated
C_dens 0.13 Very loose
C_C3 0.75 High quality
C_lit 0.03 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 408 is a poorly populated, very loose object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

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

Distant High extinction Massive Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.03 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.03 (50th percentile).

Data

🔍 Search references for HSC 408 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–	289.565	14.455	0.17	-1.492	-3.99	31.125
Hunt & Reffert	2024	289.568	14.457	0.182	-1.497	-3.995	44.767
Cavallo et al.	2024	289.564	14.465	0.184	–	–	–
Hunt & Reffert	2023	289.568	14.457	0.182	-1.497	-3.995	44.767

💡 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–	4.98	4.43	2.52	38	-0.260	1225	–	–
Hunt & Reffert	2024	4.98	4.43	2.52	38	–	1225⁽¹⁾	–	–
Cavallo et al.	2024	4.37	4.56	–	71	-0.260	–	–	–
Hunt & Reffert	2023	4.98	4.43	2.52	38	–	–	–	–

(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 3373	100.0	289.56	14.46	0.17	-1.49	-4.0	31.13	0.04

💡 Note: The % column shows the percentage of members that HSC 408 shares with each listed object.

Visualization

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