OCSN 178

0.47 UTI

0.87

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

0.89

C_dup

N₅₀ (P>50% members) 411

Stellar density (N₅₀/rad) 11.8 [N/pc²]

C3 classification AB

C_N 0.87 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.89 Very likely unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

ℹ️

OCSN 178 is a rich, very dense object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as a 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, and a small percentage with at least one entry reported in the same catalogue. See table with shared members information.

Very close Low extinction Young

Data

🔍 Search references for OCSN 178 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	191.208	-57.653	8.993	-34.714	-14.465	11.89
Qin et al.	2023	191.75	-57.67	9.03	-34.7	-14.52	12.22

💡 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–	0.12	0.31	–	20	–	–	–	–
Qin et al.	2023	0.12	0.31	–	20	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2468	29.7	185.31	-56.63	9.04	-35.54	-11.74	12.65	0.24
OCSN 177	18.5	185.96	-63.25	9.36	-37.38	-11.21	12.41	0.44
CWNU 1136	10.7	186.94	-60.63	9.22	-36.69	-12.15	12.27	0.35
HSC 2505	1.0	185.58	-64.05	9.33	-37.8	-10.73	12.41	0.0

💡 Note: The % column shows the percentage of members that OCSN 178 shares with each listed object.

Visualization

ℹ️