UPK 101

0.53 UTI

0.77

C_N

0.9

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 165

Radius (P>50% members) 59.2 [arcmin]

C_N 0.77 Rich
C_dens 0.9 Very dense
C_C3 1.0 Very 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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UPK 101 is a rich, very dense object of very high C3 quality. Its parallax locates it at a very close distance, above the mid-plane. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 7 years.

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

Very close Young

Data

🔍 Search references for UPK 101 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	–	284.764	39.804	2.838	1.386	-1.74	-19.174
Sim et al.	2019	285.078	39.719	–	1.44	-1.63	–

💡 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
Sim et al.	2019	0.36	–	–	45	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 106	15.2	284.94	39.87	2.8	1.61	-1.65	-21.64	0.0
CWNU 510	5.5	287.67	39.52	2.84	1.83	-1.72	-19.98	0.22
CWNU 375	1.2	285.57	41.63	2.96	1.62	-1.18	-21.36	0.3

💡 Note: The % column shows the percentage of members that UPK 101 shares with each listed object.

Visualization

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