ASCC 100

(MWSC 3038)

0.85 UTI

0.75

C_N

1.0

C_dens

1.0

C_C3

0.75

C_lit

1.0

C_dup

N₅₀ (P>50% members) 100

Stellar density (N₅₀/rad) 5.1 [N/pc²]

C3 classification AA

C_N 0.75 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 0.75 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 100 is a rich, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane, affected by low extinction. It is catalogued as a low-mass, near-solar metallicity, young cluster (see Parameters). It is well-studied in the literature.

Note: This object shares a moderate percentage of members with 2 later reported entries. See table with shared members information.

Very close Low extinction Low mass Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as a moving group.

Data

🔍 Search references for ASCC 100 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–	285.272	32.954	2.798	1.954	-3.312	-16.067
Zhang et al.	2024	285.403	33.601	–	–	–	–
Cavallo et al.	2024	284.63	32.437	2.749	–	–	–
Hunt & Reffert	2023	285.403	33.601	2.751	1.732	-3.451	-13.846
Just et al.	2023	285.401	33.573	–	–	–	–
Bica et al.	2019	285.409	33.571	–	–	–	–
Kharchenko et al.	2016	285.401	33.573	–	–	–	–
Dias et al.	2014	285.404	33.57	–	0.2	-3.41	–
Kharchenko et al.	2013	285.405	33.575	–	2.2	-2.0	-25.6
Gozha et al.	2012	285.404	33.57	–	–	–	–
Piskunov et al.	2008	285.393	33.567	–	–	–	–
Kharchenko et al.	2007	285.4	33.57	–	0.31	–	-22.9
Kharchenko et al.	2005	285.4	33.57	–	2.29	-1.51	-22.89
Dias et al.	2002	285.404	33.57	–	2.29	-1.51	-25.96

💡 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–	0.35	0.07	0.66	89	0.021	16	–	–
Zhang et al.	2024	–	–	–	–	-0.017⁽¹⁾	–	–	–
Cavallo et al.	2024	0.37	0.46	–	16	0.060	–	–	–
Hunt & Reffert	2023	0.35	0.23	0.66	65	–	–	–	–
Just et al.	2023	–	–	–	89	–	12	–	–
Kharchenko et al.	2016	0.35	0.07	–	89	–	–	–	–
Kharchenko et al.	2013	0.35	0.07	–	89	–	–	–	–
Gozha et al.	2012	0.35	–	–	102	–	19	–	–
Piskunov et al.	2008	0.35	0.06	–	102	–	–	–	–
Kharchenko et al.	2005	0.35	0.06	–	102	–	–	–	–
Dias et al.	2002	0.35	0.06	–	102	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 16	46.0	283.65	32.19	2.7	1.17	-3.57	-15.94	0.45
OCSN 296	45.0	285.4	33.47	2.82	2.08	-3.24	-16.23	0.02

💡 Note: The % column shows the percentage of members that ASCC 100 shares with each listed object.

Visualization

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