Berkeley 97

(MWSC 3648; OCL 243; FSR 0382)

0.81 UTI

0.68

C_N

1.0

C_dens

0.75

C_C3

0.81

C_lit

1.0

C_dup

N_m (P>50%) 86

Core radius and density 0.9 [pc], 10 [pc^-2]

C3 classification AB

C_N 0.68 Moderately populated
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.81 Well-studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

ℹ️

Berkeley 97 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age, metallicity, and mass parameters (see Parameters). It is well-studied in the literature.

Relatively close Moderate extinction Near-solar metallicity Young

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.89 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.89 (50th percentile).

Hu et al. (2021)
Ellipticities (core, all): e_core=0.0859, e_all=0.0881.

Data

🔍 Search references for Berkeley 97 in: SciX Simbad

ℹ️

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	339.847	59.007	0.321	-2.724	-1.865	-60.862
Li et al.	2025	339.853	59.005	0.314	-2.736	-1.808	–
Almeida et al.	2025	339.85	59.005	–	–	–	–
Hunt & Reffert	2024	339.852	59.006	0.309	-2.714	-1.889	-60.861
Celli et al.	2024	339.867	58.998	–	–	–	–
Cavallo et al.	2024	339.853	59.009	0.311	–	–	–
Hunt & Reffert	2023	339.852	59.006	0.309	-2.714	-1.889	-60.861
Almeida et al.	2023	339.853	59.001	–	–	–	–
Just et al.	2023	339.843	59.013	–	–	–	–
Dias et al.	2021	339.85	59.005	0.307	-2.697	-1.829	–
Cantat-Gaudin et al.	2020	339.853	59.005	0.314	-2.736	-1.808	–
Cantat-Gaudin & Anders	2020	339.853	59.005	0.314	-2.736	-1.808	–
Bica et al.	2019	339.847	59.01	–	–	–	–
Cantat-Gaudin et al.	2018	339.853	59.005	0.314	-2.736	-1.808	–
Dib et al.	2018	339.849	59.017	–	–	–	–
Loktin & Popova	2017	339.855	59.017	–	-4.457	-3.539	–
Sampedro et al.	2017	339.867	58.998	–	-0.19	-2.46	–
Joshi et al.	2016	339.849	59.017	–	–	–	–
Kharchenko et al.	2016	339.843	59.013	–	–	–	–
Tadross	2014	339.875	59.017	–	–	–	–
Dias et al.	2014	339.867	58.998	–	-1.35	-1.57	–
Kharchenko et al.	2013	339.849	59.017	–	-1.18	-3.35	–
Kharchenko et al.	2012	339.849	59.017	–	-1.18	-3.35	–
Bukowiecki et al.	2011	339.846	59.006	–	–	–	–
Dias et al.	2002	339.867	58.998	–	-1.35	-1.57	–
Lynga	1987	339.89	59.011	–	–	–	–

💡 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–	2.48	2.54	1.95	35	-0.098	578	0.66	–
Li et al.	2025	2.29	2.57	–	293	-0.137	–	–	–
Almeida et al.	2025	2.48	2.54	–	39	–	623	–	–
Hunt & Reffert	2024	2.83	2.70	1.95	71	–	910⁽¹⁾	–	–
Celli et al.	2024	–	–	–	15	–	534	–	–
Cavallo et al.	2024	3.10	2.64	–	110	0.390	–	–	–
Hunt & Reffert	2023	2.83	2.70	1.95	71	–	–	–	–
Almeida et al.	2023	2.60	2.61	–	15	-0.095	514⁽¹⁾	0.66	–
Just et al.	2023	–	–	–	35	–	23	–	–
Dias et al.	2021	2.48	2.54	–	39	-0.100	–	–	–
Cantat-Gaudin et al.	2020	3.24	2.58	–	15	–	–	–	–
Kounkel et al.	2020	3.34	2.92	–	60	–	–	–	–
Cantat-Gaudin & Anders	2020	2.92	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	2.92	–	–	–	–	–	–	–
Dib et al.	2018	1.80	–	–	35	–	–	–	–
Loktin & Popova	2017	1.50	2.56	–	4	–	–	–	–
Joshi et al.	2016	1.80	2.32	–	35	–	–	–	–
Kharchenko et al.	2016	1.80	2.32	–	35	–	–	–	–
Tadross	2014	1.80	2.37	–	20	–	–	–	–
Kharchenko et al.	2013	1.80	2.32	–	35	–	–	–	–
Bukowiecki et al.	2012	–	–	–	–	–	793	–	–
Kharchenko et al.	2012	1.80	2.32	–	35	–	–	–	–
Bukowiecki et al.	2011	2.59⁽¹⁾	2.30	–	14	–	–	–	–
Dias et al.	2002	2.41	2.43	–	251	–	–	–	–

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

Visualization

ℹ️

1 2 3