HSC 2049

0.00 UTI

0.25

C_N

0.93

C_dens

1.0

C_C3

0.0

C_lit

0.0

C_dup

C3 classification AA

Number of members (P>50%) 25

Radius (P>50% members) 1.4 [arcmin]

C_N 0.25 Poorly populated
C_dens 0.93 Very dense
C_C3 1.0 Very high quality
C_lit 0.0 Rarely studied
C_dup 0.0 Very likely duplicate

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

Overview

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HSC 2049 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a large^* distance, above the mid-plane, affected by low extinction. It is catalogued as an old cluster (see Parameters). It was recently reported in the literature.

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

(*): The parallax distance estimate (~5.69 kpc) differs significantly from the median photometric distance (~3.33 kpc).

Distant Low extinction Old

Data

🔍 Search references for HSC 2049 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	–	129.618	-34.773	0.176	-2.492	2.224	75.567
Hunt & Reffert	2024	129.613	-34.781	0.273	-2.466	2.229	64.279
Hunt & Reffert	2023	129.613	-34.781	0.273	-2.466	2.229	64.279

💡 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	–	–	–	–	–	74*	–	–
Hunt & Reffert	2023	3.33	0.32	1.05	1429	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Melotte 89	100.0	129.61	-34.78	0.17	-2.5	2.23	72.88	0.96

💡 Note: The % column shows the percentage of members that HSC 2049 shares with each listed object.

Visualization

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