Dias 7

(MWSC 3188)

0.21 UTI

0.0

C_N

0.04

C_dens

0.12

C_C3

0.44

C_lit

1.0

C_dup

C3 classification DC

Number of members (P>50%) 15

Radius (P>50% members) 5.6 [arcmin]

C_N 0.0 Sparse
C_dens 0.04 Very loose
C_C3 0.12 Very low quality
C_lit 0.44 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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Dias 7 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a large^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~5.25 kpc) differs significantly from the median photometric distance (~2.67 kpc).

Relatively close Moderate extinction Old

Data

🔍 Search references for Dias 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	–	297.358	21.177	0.191	-3.527	-5.038	-48.721
Just et al.	2023	297.361	21.165	–	–	–	–
Bica et al.	2019	297.327	21.142	–	–	–	–
Loktin & Popova	2017	297.345	21.17	–	-4.968	-14.711	–
Kharchenko et al.	2016	297.361	21.165	–	–	–	–
Dias et al.	2014	297.337	21.17	–	0.48	-6.19	–
Kharchenko et al.	2013	297.367	21.167	–	-1.17	-14.18	–
Dias et al.	2002	297.337	21.17	–	0.48	-6.19	–

💡 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
Just et al.	2023	–	–	–	2089	–	275	–	–
Loktin & Popova	2017	2.30	0.83	–	2630	–	–	–	–
Kharchenko et al.	2016	2.80	1.62	–	2089	–	–	–	–
Kharchenko et al.	2013	2.80	1.62	–	2089	–	–	–	–
Dias et al.	2002	2.54	1.30	–	1995	–	–	–	–

Visualization

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