Alessi 189

0.28 UTI

0.25

C_N

1.0

C_dens

0.12

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 25

Stellar density (N₅₀/rad) 6.2 [N/pc²]

C3 classification CD

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.12 Very low quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Alessi 189 is a poorly populated, very dense object of very low C3 quality. Its parallax locates it at a close distance, below the mid-plane. No fundamental parameter values are available for this object. It is rarely studied in the literature, with no articles listed in the last 7 years.

No fundamental parameters

Data

🔍 Search references for Alessi 189 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–	46.289	-60.525	1.488	0.629	6.578	20.983
Bica et al.	2019	46.361	-60.559	–	–	–	–

💡 Note: The UCC values are estimated from its identified members.

Visualization

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