FSR 1173

(MWSC 1125)

0.68 UTI

0.76

C_N

1.0

C_dens

0.75

C_C3

0.44

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 122

Radius (P>50% members) 4.6 [arcmin]

C_N 0.76 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.44 Poorly studied
C_dup 1.0 Unique

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

Overview

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FSR 1173 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a significant percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for FSR 1173 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	–	107.188	-9.421	0.343	-0.475	-0.376	27.936
Hunt & Reffert	2024	107.188	-9.422	0.353	-0.456	-0.375	–
Cavallo et al.	2024	107.185	-9.413	0.352	–	–	–
Hunt & Reffert	2023	107.188	-9.422	0.353	-0.456	-0.375	–
Just et al.	2023	107.181	-9.425	–	–	–	–
Kharchenko et al.	2016	107.181	-9.425	–	–	–	–
Kharchenko et al.	2013	107.187	-9.427	–	0.66	2.41	–
Froebrich et al.	2007	107.188	-9.427	–	–	–	–

💡 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
Hunt & Reffert	2024	–	–	–	–	–	387*	–	–
Cavallo et al.	2024	2.75	1.60	–	363	0.190	–	–	–
Hunt & Reffert	2023	2.63	1.48	1.05	188	–	–	–	–
Just et al.	2023	–	–	–	437	–	286	–	–
Kharchenko et al.	2016	2.88	1.94	–	437	–	–	–	–
Kharchenko et al.	2013	2.88	1.94	–	437	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1358	68.9	107.18	-9.42	0.34	-0.46	-0.39	13.04	0.0
CWNU 329	51.6	107.2	-9.43	0.34	-0.48	-0.37	27.94	0.05

💡 Note: The % column shows the percentage of members that FSR 1173 shares with each listed object.

Visualization

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