IRAS 18306-0500

(MWSC 2948)

0.45 UTI

0.56

C_N

0.69

C_dens

1.0

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AA

Number of members (P>50%) 61

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

C_N 0.56 Moderately populated
C_dens 0.69 Moderately dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

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

Overview

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IRAS 18306-0500 is a moderately populated, moderately dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by very high extinction. It is catalogued as a young cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Relatively close Very high extinction Young

Data

🔍 Search references for IRAS 18306-0500 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	–	278.404	-4.968	0.401	-0.557	-2.383	-3.156
Just et al.	2023	278.326	-4.972	–	–	–	–
Kharchenko et al.	2016	278.326	-4.972	–	–	–	–
Kharchenko et al.	2013	278.334	-4.971	–	-2.0	-3.0	28.3

💡 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	–	–	–	63	–	113	–	–
Kharchenko et al.	2016	2.02	7.42	–	63	–	–	–	–
Kharchenko et al.	2013	2.02	7.42	–	63	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 258	68.9	278.42	-4.93	0.4	-0.56	-2.38	–	0.02

💡 Note: The % column shows the percentage of members that IRAS 18306-0500 shares with each listed object.

Visualization

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