OCSN 136

(Alcaeus)

0.43 UTI

0.76

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

0.77

C_dup

N₅₀ (P>50% members) 114

Stellar density (N₅₀/rad) 7.8 [N/pc²]

C3 classification AA

C_N 0.76 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.77 Very likely unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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OCSN 136 is a rich, 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.

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

Very close Low extinction Very young

Data

🔍 Search references for OCSN 136 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–	58.505	31.982	3.505	6.244	-9.7	15.728
Qin et al.	2023	58.48	31.96	3.54	6.34	-9.81	14.21

💡 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–	0.35	0.78	–	18	–	–	–	–
Qin et al.	2023	0.35	0.78	–	18	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0279	22.8	58.53	31.92	3.5	6.2	-9.61	11.89	0.52

💡 Note: The % column shows the percentage of members that OCSN 136 shares with each listed object.

Visualization

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