Teutsch 40

(MWSC 3129; DSH J1929.2+2318)

0.14 UTI

0.0

C_N

0.02

C_dens

0.12

C_C3

0.29

C_lit

1.0

C_dup

N_m (P>50%) 12

Core radius and density 7.7 [pc], 0.08 [pc^-2]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.02 Very loose
C_C3 0.12 Very low quality
C_lit 0.29 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Teutsch 40 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, above the mid-plane, affected by high extinction. It is catalogued as an old cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~4.55 kpc) differs significantly from the median photometric distance (~3.15 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 High extinction Old

Bica et al. (2019)
Web updates in DAML02, some were later removed (2003 to 2010).

Data

🔍 Search references for Teutsch 40 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–	292.311	23.291	0.22	-2.423	-4.051	–
Just et al.	2023	292.337	23.298	–	–	–	–
Bica et al.	2019	292.317	23.302	–	–	–	–
Dias et al.	2018	–	–	–	-1.54	-4.87	–
Loktin & Popova	2017	292.32	23.3	–	-1.458	-4.703	–
Sampedro et al.	2017	292.317	23.311	–	-4.33	0.6	–
Kharchenko et al.	2016	292.337	23.298	–	–	–	–
Dias et al.	2014	292.317	23.311	–	-3.83	-0.12	–
Kharchenko et al.	2013	292.342	23.3	–	-2.31	-3.39	–
Bukowiecki et al.	2011	292.308	23.306	–	–	–	–
Kronberger et al.	2006	292.32	23.305	–	–	–	–
Dias et al.	2002	292.317	23.311	–	-3.83	-0.12	–

💡 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–	3.15	3.02	–	1303	–	448	–	–
Just et al.	2023	–	–	–	1303	–	448	–	–
Loktin & Popova	2017	3.62	2.23	–	933	–	–	–	–
Kharchenko et al.	2016	3.15	3.02	–	1303	–	–	–	–
Kharchenko et al.	2013	3.15	3.02	–	1303	–	–	–	–
Dias et al.	2002	2.98	3.03	–	794	–	–	–	–

Visualization

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