Bochum 15

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0.27 UTI
0.34
CN
0.12
Cdens
0.25
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members) 6.6 [arcmin]
  • CN 0.34 Poorly populated
  • Cdens 0.12 Very loose
  • CC3 0.25 Low quality
  • Clit 0.31 Poorly studied
  • Cdup 1.0 Unique

Overview

Bochum 15 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a moderate distance, below 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 large percentage of members with 2 later reported entries. See table with shared members information.

Distant Moderate extinction Metal-rich Young

Cavallo et al. (2024): Silver sample.

Data

Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 115.079 -33.566 0.258 -2.245 3.041
Hunt & Reffert 2024 115.072 -33.551 0.257 -2.23 3.043 64.423
Cavallo et al. 2024 115.01 -33.602 0.258
Hunt & Reffert 2023 115.072 -33.551 0.257 -2.23 3.043 64.423
Loktin & Popova 2017 115.035 -33.569 -3.737 4.906
Dias et al. 2002 115.025 -33.533 -0.87 3.09

💡 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 310*
Cavallo et al. 2024 3.21 1.31 145 0.630
Hunt & Reffert 2023 3.68 1.58 2.22 59
Loktin & Popova 2017 2.81 1.78 6
Dias et al. 2002 2.81 1.79 6

💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.
(*): indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 3351 100.0 115.07 -33.57 0.26 -2.25 3.04 0.05
Cmg 1050 35.3 114.86 -33.65 0.26 -2.24 3.03 0.06

💡 Note: The % column shows the percentage of members that Bochum 15 shares with each listed object.

Visualization

Galactocentric position diagram

💡 Note: How are the galactocentric plots generated? See FAQ.