MF 1

(Moffat-Fitzgerald 1; HD 85891)

0.40 UTI

0.25

C_N

1.0

C_dens

0.25

C_C3

0.25

C_lit

1.0

C_dup

N₅₀ (P>50% members) 25

Stellar density (N₅₀/rad) 8.9 [N/pc²]

C3 classification DB

C_N 0.25 Poorly populated
C_dens 1.0 Very dense
C_C3 0.25 Low quality
C_lit 0.25 Poorly studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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MF 1 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a metal-poor, young cluster (see Parameters). It is poorly studied in the literature.

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

Relatively close Moderate extinction Metal-poor Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for MF 1 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–	148.282	-55.032	0.4	-5.784	3.454	7.552
Hunt & Reffert	2024	148.269	-55.028	0.397	-5.775	3.462	7.556
Cavallo et al.	2024	148.324	-55.017	0.398	–	–	–
Hunt & Reffert	2023	148.269	-55.028	0.397	-5.775	3.462	7.556
Bica et al.	2019	148.28	-55.015	–	–	–	–

💡 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–	1.945	1.84	1.57	25	-0.830	264	–	–
Hunt & Reffert	2024	–	–	–	–	–	264⁽¹⁾	–	–
Cavallo et al.	2024	1.57	1.93	–	37	-0.830	–	–	–
Hunt & Reffert	2023	2.32	1.75	1.57	13	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1471	88.0	148.3	-55.04	0.4	-5.78	3.44	7.55	0.09

💡 Note: The % column shows the percentage of members that MF 1 shares with each listed object.

Visualization

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