CWNU 1099

(OCSN 119)

0.40 UTI

0.33

C_N

0.93

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 33

Radius (P>50% members) 33.5 [arcmin]

C_N 0.33 Poorly populated
C_dens 0.93 Very dense
C_C3 0.75 High 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 1099 is a poorly populated, 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 is rarely studied in the literature.

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

Very close Low extinction Young

Data

🔍 Search references for CWNU 1099 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	–	101.144	-8.724	3.65	-0.774	-4.995	27.856
Qin et al.	2023	101.48	-9.51	3.48	-0.68	-4.46	28.26
He et al.	2022	101.169	-8.776	3.692	-0.779	-5.007	–

💡 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	0.29	0.16	–	28	–	–	–	–
He et al.	2022	–	0.25	–	28	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 72	30.3	101.7	-9.78	3.46	-0.95	-4.33	25.83	0.23

💡 Note: The % column shows the percentage of members that CWNU 1099 shares with each listed object.

Visualization

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