HSC 811

0.00 UTI

0.0

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 23

Stellar density (N₅₀/rad) 35.4 [N/pc²]

C3 classification AB

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.75 High 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 811 is a sparse, very dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by high extinction. It is catalogued as a young 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.

Close High extinction Young

Data

🔍 Search references for HSC 811 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–	328.414	62.612	1.156	-3.474	-1.329	-18.32
Hunt & Reffert	2024	328.414	62.649	1.28	-3.452	-1.327	–
Hunt & Reffert	2023	328.414	62.649	1.28	-3.452	-1.327	–

💡 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–	0.76	3.96	0.59	84	–	110	–	–
Hunt & Reffert	2024	–	–	–	–	–	110⁽¹⁾	–	–
Hunt & Reffert	2023	0.76	3.96	0.59	84	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Collinder 443	100.0	328.44	62.57	1.09	-3.47	-1.39	-24.18	0.91

💡 Note: The % column shows the percentage of members that HSC 811 shares with each listed object.

Visualization

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