OC 0198

0.33 UTI

0.25

C_N

0.64

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 25

Radius (P>50% members) 11.2 [arcmin]

C_N 0.25 Poorly populated
C_dens 0.64 Moderately 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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OC 0198 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a close distance, below the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It is rarely studied in the literature.

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

Moderate extinction Metal-rich Young

Data

🔍 Search references for OC 0198 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	–	349.234	55.198	1.165	0.492	-1.745	-22.05
Hao et al.	2022	349.126	55.132	1.137	0.623	-1.718	–

💡 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
Hao et al.	2022	–	2.02	–	50	0.611	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 225	76.0	349.24	55.24	1.16	0.48	-1.75	-20.81	0.07
Theia 4245	76.0	349.23	55.27	1.16	0.49	-1.75	-20.81	0.01

💡 Note: The % column shows the percentage of members that OC 0198 shares with each listed object.

Visualization

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