DB2001 30

(Sh2-254)

0.30 UTI

0.0

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 23

Stellar density (N₅₀/rad) 5.5 [N/pc²]

C3 classification BB

C_N 0.0 Sparse
C_dens 1.0 Very dense
C_C3 0.5 Intermediate 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 30 is a sparse, very dense object of intermediate 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 large 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)
Partly resolved cluster in hii region sh2-254

Data

🔍 Search references for DB2001 30 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–	93.168	17.989	0.483	-0.371	-0.823	139.331
Bica et al.	2003	93.101	17.994	–	–	–	–
Dutra & Bica	2001	93.101	17.994	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
IC2162	100.0	93.21	18.01	0.45	-0.38	-0.84	-4.39	0.23
DB2001 31	92.0	93.19	17.99	0.47	-0.41	-0.91	139.33	0.46

💡 Note: The % column shows the percentage of members that DB2001 30 shares with each listed object.

Visualization

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