NGC 2175

0.58 UTI

0.76

C_N

0.24

C_dens

0.75

C_C3

0.58

C_lit

1.0

C_dup

N_m (P>50%) 130

Core radius and density 4.7 [pc], 1.2 [pc^-2]

C3 classification AB

C_N 0.76 Rich
C_dens 0.24 Very loose
C_C3 0.75 High quality
C_lit 0.58 Moderately studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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NGC 2175 is a rich, very loose object of high 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, very young cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a moderate percentage of members with 5 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Very young

Palma et al. (2025)
Part of multiple system G118, along with HSC_1504, Pismis_27, UBC_1303 and FSR_0902.

Cavallo et al. (2024)
Silver sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.81 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.81 (50th percentile).

Ahumada & Lapasset (2007)
The dereddened colour-magnitude diagram of (1975A&A....43..259G) was examined.

Data

🔍 Search references for NGC 2175 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–	92.404	20.597	0.501	0.289	-2.263	23.039
Hunt & Reffert	2024	92.349	20.636	0.512	0.386	-2.246	23.043
Cavallo et al.	2024	92.51	20.556	0.517	–	–	–
Hunt & Reffert	2023	92.349	20.636	0.512	0.386	-2.246	23.043
Jaehnig et al.	2021	92.433	20.562	0.513	0.419	-2.33	–
Dias et al.	2018	–	–	–	0.24	-4.0	–
Dib et al.	2018	92.422	20.505	–	–	–	–
Loktin & Popova	2017	92.415	20.487	–	0.382	-2.656	22.0
Sampedro et al.	2017	92.412	20.487	–	0.85	-5.34	–
Joshi et al.	2016	92.422	20.505	–	–	–	–
Dias et al.	2014	92.412	20.487	–	0.37	-5.39	–
Gozha et al.	2012	92.413	20.487	–	–	–	–
Bukowiecki et al.	2011	92.471	20.509	–	–	–	–
Kharchenko et al.	2007	92.41	20.49	–	0.18	–	–
Ahumada & Lapasset	2007	92.425	20.483	–	–	–	–
van den Bergh	2006	92.425	20.5	–	–	–	–
Chen et al.	2003	92.417	20.309	–	1.8	-2.26	22.0
Dias et al.	2002	92.412	20.487	–	1.8	-2.26	23.2
Dambis	1999	92.412	20.487	–	–	–	–
Lynga	1987	92.435	20.319	–	–	–	–
Sulentic et al.	1973	92.447	20.328	–	–	–	–

💡 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–	1.64	1.81	1.89	9	-0.300	229	–	0
Hunt & Reffert	2024	1.79	1.49	1.89	6	–	229⁽¹⁾	–	–
Cavallo et al.	2024	1.78	1.73	–	7	-0.300	–	–	–
Hunt & Reffert	2023	1.79	1.49	1.89	6	–	–	–	–
Jaehnig et al.	2021	2.00⁽¹⁾	–	–	–	–	–	–	–
Dib et al.	2018	1.64	–	–	10	–	–	–	–
Loktin & Popova	2017	1.62	1.85	–	9	–	–	–	–
Joshi et al.	2016	1.64	1.77	–	10	–	–	–	–
Gozha et al.	2012	1.63	–	–	9	–	–	–	–
Ahumada & Lapasset	2007	–	1.89	–	9	–	–	–	0
van den Bergh	2006	1.63	1.89	–	9	–	–	–	–
Chen et al.	2003	1.63	–	–	0	–	–	–	–
Dias et al.	2002	1.63	1.89	–	9	–	–	–	–
Dambis	1999	1.79	2.46	–	3	–	–	–	–
Lynga	1987	1.95	1.20	–	1	–	–	–	–

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

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
Sh2-252C	37.7	92.33	20.65	0.48	0.19	-2.26	29.2	0.14
IRAS 06068+2030	16.2	92.45	20.51	0.52	0.17	-2.35	–	0.02
NGC 2174	14.6	92.44	20.52	0.54	0.14	-2.37	–	0.04
Sh2-252A	9.2	92.15	20.66	0.49	0.32	-2.31	–	0.08
Pismis 27	6.9	92.73	20.62	0.51	-0.19	-2.05	32.5	0.71

💡 Note: The % column shows the percentage of members that NGC 2175 shares with each listed object.

Visualization

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