Kharchenko 2

(MWSC 2900)

0.45 UTI

0.32

C_N

0.79

C_dens

0.62

C_C3

0.25

C_lit

1.0

C_dup

C3 classification CA

Number of members (P>50%) 32

Radius (P>50% members) 3.1 [arcmin]

C_N 0.32 Poorly populated
C_dens 0.79 Dense
C_C3 0.62 Intermediate quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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Kharchenko 2 is a poorly populated, dense object of intermediate C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a very massive, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

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

Distant High extinction Very massive Intermediate age

Data

🔍 Search references for Kharchenko 2 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	–	275.592	-14.605	0.316	-0.245	-1.936	-240.386
Just et al.	2023	275.579	-14.587	–	–	–	–
Kharchenko et al.	2016	275.579	-14.587	–	–	–	–
Kharchenko et al.	2013	275.587	-14.585	–	-0.07	-0.33	–
Dias et al.	2002	275.571	-14.59	–	-0.69	-2.45	–

💡 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]	Bfr	BSS
Just et al.	2023	–	–	–	266	–	9528	–	–
Kharchenko et al.	2016	3.41	3.23	–	266	–	–	–	–
Kharchenko et al.	2013	3.41	3.23	–	266	–	–	–	–
Dias et al.	2002	1.99	2.23	–	100	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Kronberger 25	28.1	275.67	-14.73	0.28	-0.32	-1.9	–	0.71

💡 Note: The % column shows the percentage of members that Kharchenko 2 shares with each listed object.

Visualization

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