UBC 1559

0.46 UTI

0.56

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BA

Number of members (P>50%) 62

Radius (P>50% members) 4.6 [arcmin]

C_N 0.56 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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UBC 1559 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature.

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

Relatively close Moderate extinction Young

Data

🔍 Search references for UBC 1559 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	–	252.875	-44.493	0.412	-0.611	-2.537	-82.917
Castro-Ginard et al.	2022	252.88	-44.51	0.41	-0.61	-2.52	–

💡 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
Castro-Ginard et al.	2022	2.48	1.64	–	29	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 1822	98.4	252.88	-44.49	0.41	-0.6	-2.53	-80.97	0.1

💡 Note: The % column shows the percentage of members that UBC 1559 shares with each listed object.

Visualization

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