Bochum 8

0.52 UTI

0.85

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 371

Radius (P>50% members) 3.0 [arcmin]

C_N 0.85 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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Bochum 8 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as an intermediate-age cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 9 years.

(*): The parallax distance estimate (~2.65 kpc) differs significantly from the median photometric distance (~1.90 kpc).

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

Relatively close Moderate extinction Intermediate age

Data

🔍 Search references for Bochum 8 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	–	153.058	-58.069	0.378	-5.399	2.338	26.803
Loktin & Popova	2017	153.045	-58.067	–	-2.347	5.285	–
Dambis	1999	153.042	-58.07	–	–	–	–

💡 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
Loktin & Popova	2017	2.57	1.63	–	88	–	–	–	–
Dambis	1999	1.22	1.57	–	126	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
VDBH 90	59.3	153.06	-58.07	0.38	-5.4	2.33	25.53	0.0

💡 Note: The % column shows the percentage of members that Bochum 8 shares with each listed object.

Visualization

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