Biurakan 1

(MWSC 3262)

0.37 UTI

0.27

C_N

0.05

C_dens

0.25

C_C3

0.65

C_lit

1.0

C_dup

C3 classification CC

Number of members (P>50%) 27

Radius (P>50% members) 5.8 [arcmin]

C_N 0.27 Poorly populated
C_dens 0.05 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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Biurakan 1 is a poorly populated, very loose object of low C3 quality. Its parallax locates it at a large^* distance, above the mid-plane, affected by moderate extinction. It is catalogued as a very young cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~6.42 kpc) differs significantly from the median photometric distance (~1.60 kpc).

Relatively close Moderate extinction Very young

Data

🔍 Search references for Biurakan 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	–	301.89	35.749	0.156	-3.308	-5.28	-35.44
Just et al.	2023	301.892	35.71	–	–	–	–
Loktin & Popova	2017	301.875	35.713	–	-0.391	-0.929	-8.0
Kharchenko et al.	2016	301.892	35.71	–	–	–	–
Dias et al.	2014	301.875	35.683	–	-2.83	-4.65	–
Kharchenko et al.	2013	301.897	35.713	–	-3.3	-6.35	-8.0
Gozha et al.	2012	301.875	35.683	–	–	–	–
Piskunov et al.	2008	301.864	35.699	–	–	–	–
Kharchenko et al.	2007	301.87	35.68	–	0.22	–	-7.97
Kharchenko et al.	2005	301.87	35.7	–	-3.51	-6.24	-8.48
Kharchenko et al.	2003	301.83	35.68	–	-3.31	-6.27	–
Dias et al.	2002	301.875	35.683	–	-2.83	-4.65	-9.0

💡 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	–	–	–	11	–	256	–	–
Loktin & Popova	2017	3.36	0.81	–	832	–	–	–	–
Kharchenko et al.	2016	1.58	1.03	–	11	–	–	–	–
Kharchenko et al.	2013	1.58	1.03	–	11	–	–	–	–
Gozha et al.	2012	1.67	–	–	18	–	977	–	–
Piskunov et al.	2008	1.60	1.02	–	18	–	–	–	–
Kharchenko et al.	2005	1.60	1.02	–	18	–	–	–	–
Kharchenko et al.	2003	1.67	0.93	–	–	–	–	–	–
Dias et al.	2002	1.60	1.02	–	18	–	–	–	–

Visualization

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