Czernik 40

(MWSC 3161; King 27; OCL 118)

0.84 UTI

0.75

C_N

1.0

C_dens

0.75

C_C3

0.84

C_lit

1.0

C_dup

N₅₀ (P>50% members) 105

Stellar density (N₅₀/rad) 19.8 [N/pc²]

C3 classification AB

C_N 0.75 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.84 Well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Czernik 40 is a rich, very dense object of high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by high extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and mass parameters (see Parameters). It is well-studied in the literature.

Distant High extinction Massive Near-solar metallicity Intermediate age

Morales et al. (2013)
Classified as morphological type 'OC2' (totally exposed cluster without correlation with ATLASGAL emission). Morphological flag: exposed cluster, without submm emission.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Czernik 40 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–	295.657	21.154	0.19	-2.287	-4.681	39.958
Hunt & Reffert	2024	295.662	21.155	0.199	-2.308	-4.708	42.822
Celli et al.	2024	295.661	21.145	–	–	–	–
Cavallo et al.	2024	295.67	21.151	0.199	–	–	–
Hunt & Reffert	2023	295.662	21.155	0.199	-2.308	-4.708	42.822
Just et al.	2023	295.651	21.14	–	–	–	–
Cantat-Gaudin et al.	2020	295.661	21.145	0.207	-2.249	-4.613	–
Cantat-Gaudin & Anders	2020	295.661	21.145	0.207	-2.249	-4.613	–
Bica et al.	2019	295.661	21.152	–	–	–	–
Cantat-Gaudin et al.	2018	295.661	21.145	0.207	-2.249	-4.613	–
Loktin & Popova	2017	295.665	21.166	–	-2.344	-10.698	–
Kharchenko et al.	2016	295.651	21.14	–	–	–	–
Dias et al.	2014	295.65	21.154	–	-1.37	-4.48	–
Kharchenko et al.	2013	295.657	21.143	–	-0.87	-10.1	–
Morales et al.	2013	295.65	21.154	–	–	–	–
Bukowiecki et al.	2011	295.654	21.172	–	–	–	–
Dias et al.	2002	295.65	21.154	–	-1.37	-4.48	–

💡 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–	4.21	3.16	2.23	794	0.220	3025	–	–
Hunt & Reffert	2024	–	–	–	–	–	3225⁽¹⁾	–	–
Celli et al.	2024	–	–	–	25	–	901	–	–
Cavallo et al.	2024	4.74	4.20	–	60	0.220	–	–	–
Hunt & Reffert	2023	4.70	4.35	2.23	46	–	–	–	–
Just et al.	2023	–	–	–	851	–	2831	–	–
Cantat-Gaudin et al.	2020	4.61	3.43	–	25	–	–	–	–
Cantat-Gaudin & Anders	2020	4.24	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.24	–	–	–	–	–	–	–
Loktin & Popova	2017	2.64	1.90	–	977	–	–	–	–
Kharchenko et al.	2016	3.42	3.16	–	851	–	–	–	–
Kharchenko et al.	2013	3.42	3.16	–	851	–	–	–	–
Morales et al.	2013	3.05	–	–	794	–	–	–	–
Bukowiecki et al.	2012	–	–	–	–	–	3219	–	–
Bukowiecki et al.	2011	4.21⁽¹⁾	3.01	–	224	–	–	–	–
Dias et al.	2002	3.09	3.07	–	794	–	–	–	–

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

Visualization

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