CWNU 1139

(OCSN 180)

0.41 UTI

0.55

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BB

Number of members (P>50%) 59

Radius (P>50% members) 37.5 [arcmin]

C_N 0.55 Moderately populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate 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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CWNU 1139 is a moderately populated, very dense object of intermediate C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by low extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is rarely studied in the literature.

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

Very close Low extinction Intermediate age

Data

🔍 Search references for CWNU 1139 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	–	169.491	-59.065	3.782	-23.745	6.049	12.605
Qin et al.	2023	169.49	-59.16	3.78	-23.72	6.1	13.59
He et al.	2022	169.446	-59.164	3.765	-23.729	6.079	–

💡 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
Qin et al.	2023	0.25	0.03	–	282	–	–	–	–
He et al.	2022	–	0.35	–	79	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2408	91.5	169.4	-58.98	3.76	-23.53	6.11	12.61	0.11

💡 Note: The % column shows the percentage of members that CWNU 1139 shares with each listed object.

Visualization

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