NGC 1802

(MWSC 478)

0.30 UTI

0.0

C_N

0.02

C_dens

0.38

C_C3

0.56

C_lit

1.0

C_dup

N₅₀ (P>50% members) 14

Stellar density (N₅₀/rad) 0.1 [N/pc²]

C3 classification BC

C_N 0.0 Sparse
C_dens 0.02 Very loose
C_C3 0.38 Low quality
C_lit 0.56 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 1802 is a sparse, very loose object of low C3 quality. Its parallax locates it at a large^* distance, well below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~6.04 kpc) differs significantly from the median photometric distance (~2.10 kpc).

Relatively close Moderate extinction Near-solar metallicity Old

Data

🔍 Search references for NGC 1802 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–	77.53	24.169	0.166	0.489	-0.661	–
Just et al.	2023	77.518	24.18	–	–	–	–
Donor et al.	2020	77.528	24.18	–	2.01	-0.62	35.0
Bica et al.	2019	77.563	24.104	–	–	–	–
Loktin & Popova	2017	77.52	24.18	–	0.24	-1.299	–
Kharchenko et al.	2016	77.518	24.18	–	–	–	–
Dias et al.	2014	77.558	24.108	–	1.99	-0.82	–
Kharchenko et al.	2013	77.527	24.18	–	1.17	-4.37	–
Kharchenko et al.	2012	77.527	24.18	–	1.17	-4.37	–
Piskunov et al.	2008	77.562	24.14	–	–	–	–
Kharchenko et al.	2005	77.56	24.14	–	-0.48	-8.23	–

💡 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–	2.1	1.65	–	1413	-0.300	286	–	–
Just et al.	2023	–	–	–	1413	–	286	–	–
Donor et al.	2020	–	–	–	–	-0.300	–	–	–
Loktin & Popova	2017	3.10	1.50	–	2042	–	–	–	–
Kharchenko et al.	2016	2.10	1.80	–	1413	–	–	–	–
Kharchenko et al.	2013	2.10	1.80	–	1413	–	–	–	–
Kharchenko et al.	2012	2.10	1.80	–	1413	–	–	–	–
Piskunov et al.	2008	0.40	0.78	–	457	–	–	–	–
Kharchenko et al.	2005	0.40	0.78	–	457	–	–	–	–

Visualization

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