FSR 1607

(MWSC 1955)

0.17 UTI

0.25

C_N

0.05

C_dens

0.25

C_C3

0.16

C_lit

1.0

C_dup

N_m (P>50%) 25

Core radius and density 2.0 [pc], 0.2 [pc^-2]

C3 classification CC

C_N 0.25 Poorly populated
C_dens 0.05 Very loose
C_C3 0.25 Low quality
C_lit 0.16 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

ℹ️

FSR 1607 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a moderate^* distance, well below the mid-plane, affected by low extinction. It is catalogued as an old cluster (see Parameters). It is rarely studied in the literature.

(*): The parallax distance estimate (~2.31 kpc) differs significantly from the median photometric distance (~1.56 kpc).

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Relatively close Low extinction Old

Data

🔍 Search references for FSR 1607 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	173.269	-77.882	0.433	-8.756	1.617	-51.456
Just et al.	2023	173.243	-77.822	–	–	–	–
Bica et al.	2019	173.231	-77.813	–	–	–	–
Dib et al.	2018	173.25	-77.825	–	–	–	–
Joshi et al.	2016	173.25	-77.825	–	–	–	–
Kharchenko et al.	2016	173.243	-77.822	–	–	–	–
Kharchenko et al.	2013	173.25	-77.825	–	-8.99	-1.53	–
Froebrich et al.	2007	173.242	-77.817	–	–	–	–

💡 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–	1.56	0.33	–	3673	–	164	–	–
Just et al.	2023	–	–	–	3673	–	164	–	–
Dib et al.	2018	1.56	–	–	3673	–	–	–	–
Joshi et al.	2016	1.56	0.33	–	3673	–	–	–	–
Kharchenko et al.	2016	1.56	0.33	–	3673	–	–	–	–
Kharchenko et al.	2013	1.56	0.33	–	3673	–	–	–	–

Visualization

ℹ️