ASCC 53

(MWSC 1697)

0.15 UTI

0.0

C_N

0.07

C_dens

0.12

C_C3

0.29

C_lit

1.0

C_dup

N₅₀ (P>50% members) 20

Stellar density (N₅₀/rad) 0.3 [N/pc²]

C3 classification DC

C_N 0.0 Sparse
C_dens 0.07 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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ASCC 53 is a sparse, very loose object of very low C3 quality. Its parallax locates it at a moderate^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as a very massive, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~4.58 kpc) differs significantly from the median photometric distance (~1.79 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.

Relatively close Moderate extinction Very massive Intermediate age

Data

🔍 Search references for ASCC 53 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–	144.486	-59.52	0.218	-5.006	4.372	41.405
Just et al.	2023	144.535	-59.457	–	–	–	–
Bica et al.	2019	144.466	-59.549	–	–	–	–
Dib et al.	2018	144.54	-59.46	–	–	–	–
Sampedro et al.	2017	144.479	-59.55	-2.34	2.99	–	–
Joshi et al.	2016	144.54	-59.46	–	–	–	–
Kharchenko et al.	2016	144.535	-59.457	–	–	–	–
Dias et al.	2014	144.479	-59.55	–	-2.48	3.1	–
Kharchenko et al.	2013	144.54	-59.46	–	-3.38	4.36	–
Piskunov et al.	2008	144.479	-59.542	–	–	–	–
Kharchenko et al.	2005	144.48	-59.55	–	-4.94	3.94	–
Dias et al.	2002	144.479	-59.55	–	-2.48	3.1	–

💡 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–	1.79	1.42	–	100	–	7572	–	–
Just et al.	2023	–	–	–	100	–	354	–	–
Dib et al.	2018	1.79	–	–	100	–	–	–	–
Joshi et al.	2016	1.79	2.37	–	100	–	14791	–	–
Kharchenko et al.	2016	1.79	2.37	–	100	–	–	–	–
Kharchenko et al.	2013	1.79	2.37	–	100	–	–	–	–
Piskunov et al.	2008	2.50	0.47	–	132	–	–	–	–
Kharchenko et al.	2005	2.50	0.47	–	132	–	–	–	–
Dias et al.	2002	2.50	0.47	–	132	–	–	–	–

Visualization

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