Morgan 8

(MWSC 597)

0.32 UTI

0.33

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

0.88

C_dup

C3 classification DA

Number of members (P>50%) 33

Radius (P>50% members) 5.5 [arcmin]

C_N 0.33 Poorly populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.88 Very likely unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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Morgan 8 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a very close distance, below the mid-plane, affected by low extinction. It is catalogued as a low-mass, very young cluster (see Parameters). It is rarely studied in the literature.

Note: This is very likely a unique object, which shares a small percentage of members with at least one previously reported entry. See table with shared members information.

Very close Low extinction Low mass Very young

Data

🔍 Search references for Morgan 8 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	–	84.125	-6.424	2.548	0.846	0.298	16.822
Just et al.	2023	84.106	-6.42	–	–	–	–
Kharchenko et al.	2016	84.106	-6.42	–	–	–	–
Kharchenko et al.	2013	84.112	-6.42	–	2.03	-2.39	–

💡 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
Just et al.	2023	–	–	–	16	–	3	–	–
Kharchenko et al.	2016	0.31	0.13	–	16	–	–	–	–
Kharchenko et al.	2013	0.31	0.13	–	16	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
OC 0347	90.9	83.99	-6.36	2.6	1.01	0.32	24.19	0.31
UBC 208	15.2	83.81	-5.95	2.6	1.24	0.54	23.25	0.06
NGC 1980	12.1	83.82	-5.96	2.6	1.24	0.55	20.88	0.82
OCSN 226	9.1	83.82	-5.96	2.61	1.26	0.55	23.02	0.02

💡 Note: The % column shows the percentage of members that Morgan 8 shares with each listed object.

Visualization

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