UBC 1098

0.38 UTI

0.29

C_N

1.0

C_dens

0.62

C_C3

0.0

C_lit

1.0

C_dup

C3 classification CA

Number of members (P>50%) 29

Radius (P>50% members) 3.9 [arcmin]

C_N 0.29 Poorly populated
C_dens 1.0 Very dense
C_C3 0.62 Intermediate 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 1098 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a small percentage of members with 2 later reported entries. See table with shared members information.

Relatively close High extinction Young

Data

🔍 Search references for UBC 1098 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	–	305.392	36.925	0.493	-2.626	-5.412	-134.777
Castro-Ginard et al.	2022	305.38	36.93	0.5	-2.63	-5.39	–

💡 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	2.19	3.04	–	22	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWWDL 1872	17.2	305.53	37.13	0.5	-2.43	-5.33	53.95	0.05
Theia 1975	13.8	305.52	37.04	0.5	-2.4	-5.36	53.95	0.06

💡 Note: The % column shows the percentage of members that UBC 1098 shares with each listed object.

Visualization

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