HD 226540 Group

0.50 UTI

0.42

C_N

0.84

C_dens

0.75

C_C3

0.25

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 42

Radius (P>50% members) 4.0 [arcmin]

C_N 0.42 Poorly populated
C_dens 0.84 Dense
C_C3 0.75 High 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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HD 226540 Group is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a metal-rich, young cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Relatively close Moderate extinction Metal-rich Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for HD 226540 Group 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	–	298.796	33.506	0.368	-2.023	-5.831	-10.513
Hunt & Reffert	2024	298.791	33.5	0.369	-2.027	-5.837	–
Cavallo et al.	2024	298.8	33.508	0.368	–	–	–
Hunt & Reffert	2023	298.791	33.5	0.369	-2.027	-5.837	–
Bica et al.	2019	298.809	33.508	–	–	–	–

💡 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
Hunt & Reffert	2024	–	–	–	–	–	272*	–	–
Cavallo et al.	2024	2.64	1.92	–	85	0.600	–	–	–
Hunt & Reffert	2023	2.52	1.96	1.54	44	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0096	59.5	298.8	33.51	0.36	-2.02	-5.83	–	0.0

💡 Note: The % column shows the percentage of members that HD 226540 Group shares with each listed object.

Visualization

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