HSC 1000

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0.18 UTI
0.26
CN
0.26
Cdens
0.38
CC3
0.0
Clit
1.0
Cdup
Radius (P>50% members) 15.8 [arcmin]
  • CN 0.26 Poorly populated
  • Cdens 0.26 Loose
  • CC3 0.38 Low quality
  • Clit 0.0 Rarely studied
  • Cdup 1.0 Unique

Overview

â„šī¸
HSC 1000 is a poorly populated, loose object of low C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a low-mass, near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

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

Relatively close Moderate extinction Low mass Near-solar metallicity Young

Cavallo et al. (2024)
Silver sample.

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 18.51 63.777 1.034 -1.067 -1.396 -2.089
Hunt & Reffert 2024 18.399 63.759 1.031 -0.989 -1.342 -2.085
Cavallo et al. 2024 18.635 63.782 1.04 – – –
Hunt & Reffert 2023 18.399 63.759 1.031 -0.989 -1.342 -2.085

💡 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 – – – – – 47* – –
Cavallo et al. 2024 1.13 2.40 – 72 0.060 – – –
Hunt & Reffert 2023 0.93 2.62 1.37 90 – – – –

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

Visualization

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