Frolov 1

(MWSC 3780; C2354+613)

0.32 UTI

0.0

C_N

0.03

C_dens

0.25

C_C3

0.65

C_lit

1.0

C_dup

C3 classification CC

Number of members (P>50%) 13

Radius (P>50% members) 6.3 [arcmin]

C_N 0.0 Sparse
C_dens 0.03 Very loose
C_C3 0.25 Low quality
C_lit 0.65 Moderately studied
C_dup 1.0 Unique

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

Overview

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Frolov 1 is a sparse, very loose object of low C3 quality. Its parallax locates it at a large^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~5.07 kpc) differs significantly from the median photometric distance (~2.00 kpc).

Relatively close Moderate extinction Young

Data

🔍 Search references for Frolov 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	–	359.311	61.592	0.197	-1.843	-0.787	-66.519
Just et al.	2023	359.347	61.62	–	–	–	–
Bica et al.	2019	359.352	61.632	–	–	–	–
Loktin & Popova	2017	359.385	61.623	–	1.314	-2.434	16.4
Kharchenko et al.	2016	359.347	61.62	–	–	–	–
Dias et al.	2014	359.35	61.633	–	-1.49	-1.67	–
Kharchenko et al.	2013	359.355	61.623	–	-4.99	-1.35	16.4
Gozha et al.	2012	359.35	61.633	–	–	–	–
Kharchenko et al.	2012	359.355	61.623	–	-4.99	-1.35	16.4
Piskunov et al.	2008	359.352	61.632	–	–	–	–
Kharchenko et al.	2007	359.35	61.63	–	0.15	–	16.4
Kharchenko et al.	2005	359.35	61.63	–	-5.91	-1.35	–

💡 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	–	–	–	39	–	57	–	–
Loktin & Popova	2017	1.77	1.39	–	40	–	–	–	–
Kharchenko et al.	2016	2.00	1.62	–	39	–	–	–	–
Kharchenko et al.	2013	2.00	1.62	–	39	–	–	–	–
Gozha et al.	2012	2.56	–	–	46	–	1202	–	–
Kharchenko et al.	2012	2.00	1.62	–	39	–	–	–	–
Piskunov et al.	2008	2.56	1.86	–	46	–	–	–	–
Kharchenko et al.	2005	2.56	1.86	–	46	–	–	–	–

Visualization

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