HSC 272

0.42 UTI

0.62

C_N

0.67

C_dens

0.75

C_C3

0.03

C_lit

1.0

C_dup

N_m (P>50%) 74

Core radius and density 1.8 [pc], 3.3 [pc^-2]

C3 classification BA

C_N 0.62 Moderately populated
C_dens 0.67 Moderately dense
C_C3 0.75 High quality
C_lit 0.03 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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HSC 272 is a moderately populated, moderately dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, metal-poor, young cluster (see Parameters). It was recently reported in the literature.

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

Distant High extinction Massive Metal-poor Young

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.04 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.04 (50th percentile).

Data

🔍 Search references for HSC 272 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–	280.108	-5.132	0.268	-0.499	-1.351	48.397
Hunt & Reffert	2024	280.117	-5.136	0.259	-0.49	-1.327	25.972
Cavallo et al.	2024	280.103	-5.125	0.259	–	–	–
Hunt & Reffert	2023	280.117	-5.136	0.259	-0.49	-1.327	25.972

💡 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]	B_frac	BSS
UCC	99999–	3.37	4.5	2.69	69	-0.820	1893	–	–
Hunt & Reffert	2024	3.37	4.50	2.69	69	–	1893⁽¹⁾	–	–
Cavallo et al.	2024	2.39	4.83	–	24	-0.820	–	–	–
Hunt & Reffert	2023	3.37	4.50	2.69	69	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
CWNU 2963	97.3	280.11	-5.13	0.27	-0.5	-1.35	48.4	0.12

💡 Note: The % column shows the percentage of members that HSC 272 shares with each listed object.

Visualization

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