OC 0154

0.38 UTI

0.62

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.72

C_dup

C3 classification AA

Number of members (P>50%) 74

Radius (P>50% members) 12.8 [arcmin]

C_N 0.62 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.72 Likely unique

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

Overview

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OC 0154 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Low extinction Near-solar metallicity Very young

Data

🔍 Search references for OC 0154 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	–	339.035	40.0	2.033	-2.007	-4.414	-15.947
Hao et al.	2022	339.03	40.047	2.04	-2.022	-4.405	-6.32

💡 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	–	0.91	–	10	0.169	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 159	28.4	339.04	39.62	2.0	-1.93	-4.84	-13.74	0.21
FSR 0321	27.0	338.99	39.63	2.01	-1.97	-4.85	-11.77	0.47

💡 Note: The % column shows the percentage of members that OC 0154 shares with each listed object.

Visualization

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