BDSB 24

(MWSC 3516)

0.23 UTI

0.0

C_N

0.02

C_dens

0.62

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 16

Stellar density (N₅₀/rad) 0.1 [N/pc²]

C3 classification AC

C_N 0.0 Sparse
C_dens 0.02 Very loose
C_C3 0.62 Intermediate quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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BDSB 24 is a sparse, very loose object of intermediate C3 quality. Its parallax locates it at a large^* distance, above the mid-plane, affected by high extinction. It is catalogued as a low-mass, very young cluster (see Parameters). It is poorly studied in the literature.

(*): The parallax distance estimate (~7.09 kpc) differs significantly from the median photometric distance (~1.53 kpc).

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close High extinction Low mass Very young

Data

🔍 Search references for BDSB 24 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–	322.252	54.63	0.141	-2.831	-1.982	-71.419
Just et al.	2023	322.214	54.605	–	–	–	–
Kharchenko et al.	2016	322.214	54.605	–	–	–	–
Kharchenko et al.	2013	322.219	54.608	–	-2.77	-0.18	–
Kharchenko et al.	2012	322.219	54.608	–	-1.3	-1.66	–

💡 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–	1.53	4.52	–	16	–	3	–	–
Just et al.	2023	–	–	–	16	–	3	–	–
Kharchenko et al.	2016	1.53	4.52	–	16	–	–	–	–
Kharchenko et al.	2013	1.53	4.52	–	16	–	–	–	–
Kharchenko et al.	2012	0.60	2.08	–	316	–	–	–	–

Visualization

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