Alessi 14

(MWSC 885)

0.21 UTI

0.63

C_N

0.04

C_dens

0.25

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 76

Core radius and density 8.2 [pc], 0.2 [pc^-2]

C3 classification CC

C_N 0.63 Moderately populated
C_dens 0.04 Very loose
C_C3 0.25 Low quality
C_lit 0.06 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Alessi 14 is a moderately populated, very loose object of low C3 quality. Its parallax locates it at a moderate^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as a low-mass, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

(*): The parallax distance estimate (~4.41 kpc) differs significantly from the median photometric distance (~2.09 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.

Relatively close Moderate extinction Low mass Intermediate age

Bica et al. (2019)
Web updates in DAML02, some were later removed (2003 to 2010). List of clusters and alike reported by B. Alessi.

Dias et al. (2002)
Asterism (Kronberger, M. 2005, private communication); cat V3.5 (Jan 2016)

Data

🔍 Search references for Alessi 14 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–	97.6	9.723	0.227	-0.484	-1.107	67.341
Just et al.	2023	97.6	9.742	–	–	–	–
Kharchenko et al.	2016	97.6	9.742	–	–	–	–
Kharchenko et al.	2013	97.608	9.741	–	-1.95	0.13	–

💡 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–	2.09	1.97	–	398	–	44	–	–
Just et al.	2023	–	–	–	398	–	44	–	–
Kharchenko et al.	2016	2.09	1.97	–	398	–	–	–	–
Kharchenko et al.	2013	2.09	1.97	–	398	–	–	–	–

Visualization

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