ASCC 108

(MWSC 3201; FoF 2349)

0.90 UTI

0.76

C_N

1.0

C_dens

0.75

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 138

Stellar density (N₅₀/rad) 5.9 [N/pc²]

C3 classification AB

C_N 0.76 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 1.0 Very well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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ASCC 108 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is very well-studied in the literature.

Relatively close Low extinction Near-solar metallicity Intermediate age

Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: good fit. Silver sample.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for ASCC 108 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–	298.341	39.349	0.847	-0.48	-1.71	-5.412
Li et al.	2025	298.306	39.349	0.838	-0.519	-1.69	–
Wei et al.	2025	298.337	39.401	0.861	-0.452	-1.666	–
Almeida et al.	2025	298.316	39.313	–	–	–	–
Zhang et al.	2024	298.387	39.343	–	–	–	–
Hunt & Reffert	2024	298.387	39.343	0.837	-0.475	-1.727	-8.813
Cavallo et al.	2024	298.331	39.36	0.838	–	–	–
Hunt & Reffert	2023	298.387	39.343	0.837	-0.475	-1.727	-8.813
Almeida et al.	2023	298.472	39.227	–	–	–	–
He et al.	2022	298.32	39.363	0.847	-0.473	-1.722	–
Tarricq et al.	2022	298.355	39.328	0.846	-0.474	-1.713	–
Dias et al.	2021	298.316	39.313	0.837	-0.509	-1.691	–
Cantat-Gaudin et al.	2020	298.306	39.349	0.838	-0.519	-1.69	–
Cantat-Gaudin & Anders	2020	298.306	39.349	0.838	-0.519	-1.69	–
Liu & Pang	2019	298.276	39.294	0.873	-0.475	-1.679	–
Bossini et al.	2019	298.306	39.349	–	–	–	–
Soubiran et al.	2018	298.306	39.349	–	–	–	-6.33
Bica et al.	2019	299.549	38.869	–	–	–	–
Cantat-Gaudin et al.	2018	298.306	39.349	0.838	-0.519	-1.69	–
Dias et al.	2014	298.454	39.37	–	-1.99	-4.01	–
Piskunov et al.	2008	298.446	39.368	–	–	–	–
Kharchenko et al.	2005	298.45	39.37	–	-0.21	-0.81	–
Dias et al.	2002	298.454	39.37	–	-0.21	-0.81	–

💡 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–	1.14	0.45	1.15	216	-0.022	507	0.485	–
Li et al.	2025	1.05	0.45	–	229	-0.145	–	–	–
Wei et al.	2025	1.21	0.65	–	676	-0.250	540	0.41	–
Almeida et al.	2025	1.14	0.46	–	216	–	470	–	–
Zhang et al.	2024	–	–	–	–	-0.045⁽¹⁾	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	474⁽¹⁾	–	–
Cavallo et al.	2024	1.18	0.50	–	295	0.350	–	–	–
Hunt & Reffert	2023	1.14	0.37	1.15	191	–	–	–	–
Almeida et al.	2023	1.16	0.66	–	174	-0.097	935⁽¹⁾	0.56	–
He et al.	2022	–	0.80	–	63	–	–	–	–
Tarricq et al.	2022	1.13	–	–	110	–	–	–	–
Dias et al.	2021	1.14	0.46	–	216	0.093	–	–	–
Cantat-Gaudin et al.	2020	1.16	0.34	–	107	–	–	–	–
Cantat-Gaudin & Anders	2020	1.15	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	58	0.500	–	–	–
Bossini et al.	2019	1.07	0.34	–	81	0.000	–	–	–
Soubiran et al.	2018	1.15	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	1.15	–	–	–	–	–	–	–
Piskunov et al.	2008	1.10	0.16	–	437	–	–	–	–
Kharchenko et al.	2005	1.10	0.16	–	437	–	–	–	–
Dias et al.	2002	1.10	0.16	–	437	–	–	–	–

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

Visualization

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