PHOC 39

0.51 UTI

0.82

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 287

Stellar density (N₅₀/rad) 29.3 [N/pc²]

C3 classification AB

C_N 0.82 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

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

Overview

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PHOC 39 is a rich, very dense object of high C3 quality. Its parallax locates it at a very close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a large percentage of members with 3 later reported entries. See table with shared members information.

Moderate extinction Very young

Data

🔍 Search references for PHOC 39 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–	277.885	-3.947	2.574	1.998	-8.98	-7.344
He et al.	2022	277.921	-3.915	2.616	2.055	-8.982	–
Hunt & Reffert	2021	277.783	-3.81	2.493	1.886	-8.75	–

💡 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–	–	3.0	–	18	–	–	–	–
He et al.	2022	–	3.00	–	18	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 247	86.1	277.89	-3.95	2.6	2.01	-9.02	-8.03	0.01
Theia 23	40.1	277.9	-3.95	2.61	2.08	-9.0	-8.26	0.0
CWWL 3567	25.4	277.91	-3.91	2.61	2.06	-9.03	-7.18	0.0

💡 Note: The % column shows the percentage of members that PHOC 39 shares with each listed object.

Visualization

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