UBC 489

0.18 UTI

0.57

C_N

0.82

C_dens

0.75

C_C3

0.0

C_lit

0.43

C_dup

C3 classification AB

Number of members (P>50%) 65

Radius (P>50% members) 4.8 [arcmin]

C_N 0.57 Moderately populated
C_dens 0.82 Dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.43 Possibly duplicate

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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UBC 489 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It is rarely studied in the literature.

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

Relatively close Moderate extinction Very young

Data

🔍 Search references for UBC 489 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	–	141.149	-53.079	0.35	-4.955	3.822	–
Celli et al.	2024	141.158	-53.069	–	–	–	–
Cantat-Gaudin et al.	2020	141.158	-53.069	0.324	-4.954	3.807	–
Castro-Ginard et al.	2020	141.181	-53.059	0.327	-4.954	3.795	–

💡 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]	Bfr	BSS
Celli et al.	2024	–	–	–	10	–	623	–	–
Cantat-Gaudin et al.	2020	2.79	1.31	–	10	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
DBSB 39	56.9	141.15	-53.11	0.36	-4.97	3.84	–	0.45

💡 Note: The % column shows the percentage of members that UBC 489 shares with each listed object.

Visualization

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