PHOC 9

0.38 UTI

0.77

C_N

0.26

C_dens

0.75

C_C3

0.06

C_lit

1.0

C_dup

N_m (P>50%) 153

Core radius and density 3.7 [pc], 1.3 [pc^-2]

C3 classification AB

C_N 0.77 Rich
C_dens 0.26 Loose
C_C3 0.75 High quality
C_lit 0.06 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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PHOC 9 is a rich, loose object of high C3 quality. Its parallax locates it at a large distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It is rarely studied in the literature.

Distant Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.92 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.92 (50th percentile).

Data

🔍 Search references for PHOC 9 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–	79.573	41.963	0.197	0.025	-0.48	–
Hunt & Reffert	2024	79.587	41.935	0.192	0.059	-0.484	–
Cavallo et al.	2024	79.578	41.992	0.192	–	–	–
Hunt & Reffert	2023	79.587	41.935	0.192	0.059	-0.484	–
Hunt & Reffert	2021	79.589	41.994	0.199	0.134	-0.452	–

💡 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–	4.2	2.01	1.995	38	0.100	706	–	–
Hunt & Reffert	2024	4.20	2.01	1.99	38	–	706⁽¹⁾	–	–
Cavallo et al.	2024	3.84	2.01	–	30	0.100	–	–	–
Hunt & Reffert	2023	4.20	2.01	2.00	38	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization

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