DB2001 31

(Sh2-256)

0.46 UTI

0.52

C_N

1.0

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 55

Stellar density (N₅₀/rad) 8.6 [N/pc²]

C3 classification AB

C_N 0.52 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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DB2001 31 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane. No fundamental parameter values are available for this object. It is rarely studied in the literature, with no articles listed in the last 23 years.

Note: This object shares a moderate percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

No fundamental parameters

Bica et al. (2003)
Classified as infrared cluster (IRC).

Dutra & Bica (2001)
Mostly a resolved cluster in hii region sh2-256

Data

🔍 Search references for DB2001 31 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	99999–	93.186	17.989	0.472	-0.412	-0.91	139.331
Bica et al.	2003	93.159	17.955	–	–	–	–
Dutra & Bica	2001	93.159	17.955	–	–	–	–

💡 Note: The UCC values are estimated from its identified members.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
IC2162	85.5	93.21	18.01	0.45	-0.38	-0.84	-4.39	0.23
DB2001 30	41.8	93.17	17.99	0.48	-0.37	-0.82	139.33	0.3
DB2001 32	1.8	93.37	17.92	0.44	-0.57	-1.78	–	0.14

💡 Note: The % column shows the percentage of members that DB2001 31 shares with each listed object.

Visualization

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