MCM 7

(MCM2005b 7)

0.04 UTI

0.0

C_N

0.09

C_dens

0.12

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 16

Stellar density (N₅₀/rad) 0.4 [N/pc²]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.09 Very loose
C_C3 0.12 Very low 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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MCM 7 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, near the mid-plane. It is catalogued as a cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 13 years.

(*): The parallax distance estimate (~2.70 kpc) differs significantly from the median photometric distance (~4.09 kpc).

⚠️ 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.

Distant

Morales et al. (2013)
Classified as morphological type 'OC0' (emerging exposed cluster). Morphological flag: possibly associated submm emission surrounding the cluster, presence of an IR bubble.

Mercer et al. (2005)
Association of stars. Detected in 2MASS catalog with our algorithm. Appears in 2MASS images.

Data

🔍 Search references for MCM 7 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–	276.409	-12.413	0.371	-0.625	-3.198	-25.564
Morales et al.	2013	276.433	-12.438	–	–	–	–
Mercer et al.	2005	276.436	-12.438	–	–	–	–

💡 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–	4.09	–	–	–	–	–	–	–
Morales et al.	2013	4.09	–	–	–	–	–	–	–

Visualization

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