Teutsch 187

0.32 UTI

0.37

C_N

0.3

C_dens

0.75

C_C3

0.1

C_lit

1.0

C_dup

N_m (P>50%) 37

Core radius and density 1.7 [pc], 1.5 [pc^-2]

C3 classification AB

C_N 0.37 Poorly populated
C_dens 0.3 Loose
C_C3 0.75 High quality
C_lit 0.1 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Teutsch 187 is a poorly populated, loose object of high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

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

Very distant Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.87 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.87 (50th percentile).

Bica et al. (2019)
Asterisms and cluster alikes by B. Alessi reported in DAML02.

Data

🔍 Search references for Teutsch 187 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–	19.699	59.442	0.145	-1.426	0.395	–
Hu & Soubiran	2025	19.72	59.438	–	–	–	–
Hunt & Reffert	2024	19.696	59.441	0.144	-1.425	0.388	–
Cavallo et al.	2024	19.719	59.438	0.14	–	–	–
Hunt & Reffert	2023	19.696	59.441	0.144	-1.425	0.388	–
Bica et al.	2019	19.703	59.447	–	–	–	–

💡 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–	6.39	1.93	1.67	706	-0.215	443	–	–
Hu & Soubiran	2025	–	–	–	–	-0.150⁽⁵⁾	–	–	–
Hunt & Reffert	2024	6.39	1.93	1.67	706	–	443⁽¹⁾	–	–
Cavallo et al.	2024	4.17	1.77	–	1738	-0.280	–	–	–
Hunt & Reffert	2023	6.39	1.93	1.67	706	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 3376	75.7	19.7	59.44	0.15	-1.42	0.39	–	0.01

💡 Note: The % column shows the percentage of members that Teutsch 187 shares with each listed object.

Visualization

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