OCSN 284

0.00 UTI

0.65

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

N₅₀ (P>50% members) 80

Stellar density (N₅₀/rad) 19.6 [N/pc²]

C3 classification AA

C_N 0.65 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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OCSN 284 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 very young cluster (see Parameters). It was recently reported in the literature.

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

Close Low extinction Very young

Data

🔍 Search references for OCSN 284 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	99999–	56.448	29.825	2.49	2.68	-5.242	18.547
Qin et al.	2023	56.33	29.74	2.48	2.62	-5.28	17.47

💡 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]	B_frac	BSS
UCC	99999–	0.57	0.87	–	5	–	–	–	–
Qin et al.	2023	0.57	0.87	–	5	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Alessi Teutsch 10	100.0	56.43	29.82	2.49	2.69	-5.24	18.55	0.7
UBC 19	93.8	56.44	29.82	2.47	2.66	-5.23	17.24	0.0
OC 0278	56.2	56.37	29.78	2.47	2.57	-5.26	18.05	0.0

💡 Note: The % column shows the percentage of members that OCSN 284 shares with each listed object.

Visualization

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