HSC 509

0.00 UTI

0.0

C_N

1.0

C_dens

0.62

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 24

Stellar density (N₅₀/rad) 12.5 [N/pc²]

C3 classification CA

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.62 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 509 is a sparse, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane. It is catalogued as a cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: This is very likely a duplicate object, which shares a large percentage of members with at least one previously reported entry. See table with shared members information.

No fundamental parameters

Data

🔍 Search references for HSC 509 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–	297.509	26.461	0.21	-3.239	-5.968	23.007
Hunt & Reffert	2024	297.51	26.462	0.203	-3.197	-5.948	97.111

💡 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–	–	–	–	–	–	730	–	–
Hunt & Reffert	2024	–	–	–	–	–	730⁽¹⁾	–	–

(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 3082	100.0	297.51	26.46	0.21	-3.25	-6.04	74.32	0.23
MCM 25	88.0	297.51	26.46	0.2	-3.25	-5.97	23.01	0.38

💡 Note: The % column shows the percentage of members that HSC 509 shares with each listed object.

Visualization

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