Ivanov 6

(MWSC 1208)

0.69 UTI

0.62

C_N

1.0

C_dens

0.75

C_C3

0.55

C_lit

1.0

C_dup

N₅₀ (P>50% members) 73

Stellar density (N₅₀/rad) 83.5 [N/pc²]

C3 classification AB

C_N 0.62 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.55 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Ivanov 6 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a very small percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

Relatively close High extinction Near-solar metallicity Very young

Palma et al. (2025)
Classified as tidal capture (resonant trapping pair) P234, along with Majaess_90.

Cavallo et al. (2024)
Silver sample.

Data

🔍 Search references for Ivanov 6 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–	111.062	-24.64	0.715	-2.052	2.685	18.636
Hunt & Reffert	2024	111.051	-24.65	0.739	-2.028	2.692	36.077
Cavallo et al.	2024	110.979	-24.709	0.751	–	–	–
Hunt & Reffert	2023	111.051	-24.65	0.739	-2.028	2.692	36.077
Just et al.	2023	111.053	-24.631	–	–	–	–
Loktin & Popova	2017	111.06	-24.633	–	-5.736	-0.484	–
Kharchenko et al.	2016	111.053	-24.631	–	–	–	–
Kharchenko et al.	2013	111.058	-24.633	–	-3.18	3.73	–
Bukowiecki et al.	2011	111.067	-24.628	–	–	–	–
Dias et al.	2002	111.058	-24.633	–	0.79	0.2	–

💡 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–	1.76	3.26	1.01	4	-0.240	205	–	–
Hunt & Reffert	2024	–	–	–	–	–	78⁽¹⁾	–	–
Cavallo et al.	2024	2.19	1.30	–	2	-0.240	–	–	–
Hunt & Reffert	2023	1.31	0.44	1.01	5	–	–	–	–
Just et al.	2023	–	–	–	4	–	205	–	–
Loktin & Popova	2017	1.76	0.97	–	603	–	–	–	–
Kharchenko et al.	2016	2.43	3.55	–	4	–	–	–	–
Kharchenko et al.	2013	2.43	3.55	–	4	–	–	–	–
Bukowiecki et al.	2012	–	–	–	–	–	205	–	–
Bukowiecki et al.	2011	0.68⁽¹⁾	3.26	–	16	–	–	–	–
Dias et al.	2002	0.44	3.35	–	16	–	–	–	–

(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 1337	4.1	111.03	-24.4	0.72	-2.14	2.23	31.62	0.18
Majaess 90	2.7	111.19	-24.48	0.74	-2.16	2.27	31.62	0.52

💡 Note: The % column shows the percentage of members that Ivanov 6 shares with each listed object.

Visualization

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