ASCC 45

(MWSC 1460)

0.39 UTI

0.76

C_N

0.14

C_dens

0.5

C_C3

0.29

C_lit

1.0

C_dup

N_m (P>50%) 119

Core radius and density 5.1 [pc], 0.7 [pc^-2]

C3 classification BB

C_N 0.76 Rich
C_dens 0.14 Very loose
C_C3 0.5 Intermediate 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

ℹ️

ASCC 45 is a rich, very loose object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.

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

Distant Moderate extinction Massive Near-solar metallicity Very young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.88 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.88 (50th percentile).

Data

🔍 Search references for ASCC 45 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	124.091	-35.66	0.254	-2.856	3.234	–
Hunt & Reffert	2024	124.145	-35.655	0.246	-2.868	3.188	–
Cavallo et al.	2024	123.913	-35.678	0.248	–	–	–
Hunt & Reffert	2023	124.145	-35.655	0.246	-2.868	3.188	–
Bica et al.	2019	123.958	-35.647	–	–	–	–
Sampedro et al.	2017	123.958	-35.65	–	-3.08	-1.55	–
Dias et al.	2014	123.958	-35.65	–	-2.84	-1.34	–
Gozha et al.	2012	123.958	-35.65	–	–	–	–
Piskunov et al.	2008	123.958	-35.647	–	–	–	–
Kharchenko et al.	2007	123.96	-35.65	–	0.2	–	43.0
Kharchenko et al.	2005	123.96	-35.65	–	-5.68	3.19	43.0
Dias et al.	2002	123.958	-35.65	–	-2.84	-1.34	43.0

💡 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–	3.0	1.935	2.28	13	0.470	4166	–	–
Hunt & Reffert	2024	3.56	2.06	2.28	29	–	205⁽¹⁾	–	–
Cavallo et al.	2024	3.60	1.98	–	19	0.470	–	–	–
Hunt & Reffert	2023	3.56	2.06	2.28	29	–	–	–	–
Gozha et al.	2012	3.00	–	–	13	–	8128	–	–
Piskunov et al.	2008	3.00	1.89	–	13	–	–	–	–
Kharchenko et al.	2005	3.00	1.89	–	13	–	–	–	–
Dias et al.	2002	3.00	1.89	–	13	–	–	–	–

(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 3997	44.5	124.13	-35.65	0.26	-2.87	3.34	–	0.05
CWNU 3273	2.5	123.7	-35.68	0.26	-2.96	3.19	–	0.11

💡 Note: The % column shows the percentage of members that ASCC 45 shares with each listed object.

Visualization

ℹ️

1 2