UPK 77

0.31 UTI

0.26

C_N

0.52

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification BA

Number of members (P>50%) 26

Radius (P>50% members) 29.9 [arcmin]

C_N 0.26 Poorly populated
C_dens 0.52 Moderately dense
C_C3 0.75 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 77 is a poorly populated, moderately dense object of 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 large percentage of members with a later reported entry. See table with shared members information.

Very close Young

Data

🔍 Search references for UPK 77 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	–	282.917	31.363	2.742	1.097	-4.021	-15.757
Sim et al.	2019	282.864	31.276	–	1.08	-4.06	–

💡 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	0.35	–	–	25	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OCSN 16	100.0	283.65	32.19	2.7	1.17	-3.57	-15.94	0.45

💡 Note: The % column shows the percentage of members that UPK 77 shares with each listed object.

Visualization

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