Pismis 4

(FoF 2289)

0.96 UTI

0.79

C_N

1.0

C_dens

1.0

C_C3

1.0

C_lit

1.0

C_dup

N₅₀ (P>50% members) 200

Stellar density (N₅₀/rad) 14.1 [N/pc²]

C3 classification AA

C_N 0.79 Rich
C_dens 1.0 Very dense
C_C3 1.0 Very high quality
C_lit 1.0 Very well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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Pismis 4 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

Close Low extinction Near-solar metallicity Intermediate age

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.

Cavallo et al. (2024)
Gold sample.

Data

🔍 Search references for Pismis 4 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–	128.797	-44.421	1.446	-8.198	5.355	7.988
Li et al.	2025	128.79	-44.407	1.414	-8.236	5.337	–
Almeida et al.	2025	128.77	-44.391	–	–	–	–
Alfonso et al.	2024	128.829	-44.559	1.419	-8.214	5.408	–
Hunt & Reffert	2024	128.769	-44.404	1.438	-8.224	5.404	8.408
Cavallo et al.	2024	129.037	-44.663	1.445	–	–	–
Hunt & Reffert	2023	128.769	-44.404	1.438	-8.224	5.404	8.408
Almeida et al.	2023	128.801	-44.446	–	–	–	–
Cordoni et al.	2023	128.77	-44.391	1.407	-8.235	5.343	–
He et al.	2022	128.911	-44.411	1.452	-8.197	5.396	–
Tarricq et al.	2022	128.82	-44.492	1.429	-8.182	5.391	–
Jaehnig et al.	2021	128.723	-44.411	1.449	-8.215	5.35	–
Rain et al.	2021	128.79	-44.407	1.414	-8.236	5.337	–
Dias et al.	2021	128.77	-44.391	1.407	-8.235	5.343	7.334
Cantat-Gaudin et al.	2020	128.79	-44.407	1.414	-8.236	5.337	–
Cantat-Gaudin & Anders	2020	128.79	-44.407	1.414	-8.236	5.337	–
Liu & Pang	2019	128.795	-44.462	1.416	-8.217	5.326	–
Bossini et al.	2019	128.79	-44.407	–	–	–	–
Soubiran et al.	2018	128.79	-44.407	–	–	–	11.59
Cantat-Gaudin et al.	2018	128.79	-44.407	1.414	-8.236	5.337	–
Loktin & Popova	2017	128.655	-44.417	–	-2.68	1.27	27.2
Dias et al.	2014	128.65	-44.417	–	-2.68	1.27	–
Gozha et al.	2012	128.65	-44.417	–	–	–	–
Piskunov et al.	2008	128.654	-44.473	–	–	–	–
Kharchenko et al.	2007	128.65	-44.42	–	0.4	–	30.0
Piskunov et al.	2007	128.654	-44.473	–	–	–	–
van den Bergh	2006	128.675	-44.395	–	–	–	–
Kharchenko et al.	2005	128.65	-44.48	–	-5.55	5.75	–
Kharchenko et al.	2003	128.67	-44.34	–	-6.53	5.64	–
Chen et al.	2003	128.657	-44.409	–	–	–	–
Dias et al.	2002	128.65	-44.417	–	-2.68	1.27	30.0
Dambis	1999	128.675	-44.395	–	–	–	–

💡 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–	0.68	0.09	0.7	116	-0.089	296	0.39	0.0
Li et al.	2025	0.71	0.22	–	126	0.053	–	–	–
Almeida et al.	2025	0.69	0.29	–	124	–	239	–	–
Alfonso et al.	2024	0.69	0.18	–	175	-0.088	–	–	–
Hunt & Reffert	2024	–	–	–	–	–	347⁽¹⁾	–	–
Cavallo et al.	2024	0.70	0.43	–	89	0.010	–	–	–
Hunt & Reffert	2023	0.66	0.13	0.70	116	–	–	–	–
Almeida et al.	2023	0.68	0.21	–	202	-0.051	235⁽¹⁾	0.45	–
Cordoni et al.	2023	0.69	0.29	–	124	-0.089	296	0.33	0.00
He et al.	2022	–	0.30	–	79	–	–	–	–
Tarricq et al.	2022	0.68	–	–	132	–	–	–	–
Jaehnig et al.	2021	0.69⁽¹⁾	–	–	–	–	–	–	–
Rain et al.	2021	0.69	0.09	–	79	–	–	–	0
Dias et al.	2021	0.69	0.29	–	124	-0.089	–	–	–
Cantat-Gaudin et al.	2020	0.70	0.18	–	120	–	–	–	–
Cantat-Gaudin & Anders	2020	0.69	–	–	–	–	–	–	–
Liu & Pang	2019	–	–	–	41	0.000	–	–	–
Bossini et al.	2019	0.66	0.09	–	80	-0.200	–	–	–
Soubiran et al.	2018	0.69	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	0.69	–	–	–	–	–	–	–
Loktin & Popova	2017	0.60	0.04	–	34	–	–	–	–
Gozha et al.	2012	0.59	–	–	34	-0.110	302	–	–
Piskunov et al.	2008	0.59	0.03	–	129	–	317⁽¹⁾	–	–
Piskunov et al.	2007	0.59	0.03	–	129	–	121	–	–
van den Bergh	2006	0.59	0.03	–	34	–	–	–	–
Kharchenko et al.	2005	0.59	0.03	–	129	–	–	–	–
Kharchenko et al.	2003	0.59	0.03	–	–	–	–	–	–
Chen et al.	2003	0.59	0.04	–	30	-0.200⁽¹⁾	–	–	–
Dias et al.	2002	0.59	0.04	–	34	-0.200	–	–	–
Dambis	1999	0.56	0.03	–	40	–	–	–	–

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

Visualization

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