Chameleon II

0.51 UTI

0.54

C_N

1.0

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 58

Stellar density (N₅₀/rad) 21.2 [N/pc²]

C3 classification AA

C_N 0.54 Moderately populated
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Chameleon II is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by high extinction. It is catalogued as a very young 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.

High extinction Very young

Data

🔍 Search references for Chameleon II 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–	196.231	-77.452	5.085	-20.157	-7.579	9.816
He et al.	2022	196.254	-77.458	5.092	-20.066	-7.596	–

💡 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–	–	4.95	–	14	–	–	–	–
He et al.	2022	–	4.95	–	14	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Theia 29	100.0	196.1	-77.56	5.08	-20.36	-7.52	16.7	0.11

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

Visualization

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