CMa05

0.07 UTI

0.0

C_N

0.24

C_dens

0.12

C_C3

0.0

C_lit

1.0

C_dup

C3 classification DC

Number of members (P>50%) 24

Radius (P>50% members) 11.8 [arcmin]

C_N 0.0 Sparse
C_dens 0.24 Very loose
C_C3 0.12 Very low 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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CMa05 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is rarely studied in the literature.

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

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close Moderate extinction Near-solar metallicity Very young

Data

🔍 Search references for CMa05 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	–	105.264	-11.289	0.766	-3.058	0.862	19.535
Santos-Silva et al.	2021	105.32	-11.2	0.78	-2.98	0.79	–

💡 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
Santos-Silva et al.	2021	1.23*	1.27*	–	17*	-0.140*	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 76	24.0	104.97	-11.16	0.88	-2.9	0.68	31.15	0.18

💡 Note: The % column shows the percentage of members that CMa05 shares with each listed object.

Visualization

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