Theia 3823

0.20 UTI

0.56

C_N

1.0

C_dens

0.5

C_C3

0.0

C_lit

0.48

C_dup

C3 classification BB

Number of members (P>50%) 62

Radius (P>50% members) 4.0 [arcmin]

C_N 0.56 Moderately populated
C_dens 1.0 Very dense
C_C3 0.5 Intermediate quality
C_lit 0.0 Rarely studied
C_dup 0.48 Possibly duplicate

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

Overview

ℹ️

Theia 3823 is a moderately populated, very dense object of intermediate C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster (see Parameters). It was recently reported in the literature.

⚠️ Warning: This is possibly a duplicate object, which shares a significant percentage of members with at least one previously reported entry. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Young

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Theia 3823 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	142.75	-50.305	0.662	-6.352	5.667	23.023
Hunt & Reffert	2024	142.761	-50.314	0.664	-6.368	5.66	–
Cavallo et al.	2024	142.768	-50.319	0.667	–	–	–
Hunt & Reffert	2023	142.761	-50.314	0.664	-6.368	5.66	–

💡 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
Hunt & Reffert	2024	–	–	–	–	–	299*	–	–
Cavallo et al.	2024	1.43	2.37	–	72	-0.230	–	–	–
Hunt & Reffert	2023	1.43	1.96	2.27	81	–	–	–	–

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 1459	51.6	142.76	-50.31	0.66	-6.33	5.63	–	0.34

💡 Note: The % column shows the percentage of members that Theia 3823 shares with each listed object.

Visualization

ℹ️

1 2