SAI 51

0.38 UTI

0.35

C_N

1.0

C_dens

0.62

C_C3

0.0

C_lit

0.97

C_dup

C3 classification AC

Number of members (P>50%) 35

Radius (P>50% members) 2.2 [arcmin]

C_N 0.35 Poorly populated
C_dens 1.0 Very dense
C_C3 0.62 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.97 Unique

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

Overview

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SAI 51 is a poorly populated, very dense object of intermediate C3 quality. Its parallax locates it at a moderate^* distance, near the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It is rarely studied in the literature, with no articles listed in the last 16 years.

(*): The parallax distance estimate (~2.24 kpc) differs significantly from the median photometric distance (~0.81 kpc).

Note: This is a unique object, which shares a very small percentage of members with at least one previously reported entry. See table with shared members information.

Close Moderate extinction Old

Data

🔍 Search references for SAI 51 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	–	82.51	33.428	0.447	0.298	-1.949	9.557
Glushkova et al.	2010	82.508	33.425	–	–	–	–

💡 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
Glushkova et al.	2010	0.81	1.92	–	1995	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 4116	48.6	82.5	33.44	0.45	0.21	-1.93	9.73	0.08
Teutsch 133	2.9	82.48	33.52	0.31	-0.14	-1.59	13.37	0.13

💡 Note: The % column shows the percentage of members that SAI 51 shares with each listed object.

Visualization

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