RMC-4b

(MWSC 908)

0.54 UTI

0.77

C_N

1.0

C_dens

0.75

C_C3

0.1

C_lit

1.0

C_dup

N_m (P>50%) 161

Core radius and density 1.1 [pc], 9.4 [pc^-2]

C3 classification AB

C_N 0.77 Rich
C_dens 1.0 Very dense
C_C3 0.75 High quality
C_lit 0.1 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19

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

Overview

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RMC-4b is a rich, very dense 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 low-mass, intermediate-age cluster (see Parameters). It is rarely studied in the literature.

Note: This object shares a significant percentage of members with at least one entry reported in the same catalogue. See table with shared members information.

Relatively close Moderate extinction Low mass Intermediate age

Bica et al. (2003)
Classified as infrared cluster (IRC).

Data

🔍 Search references for RMC-4b 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–	98.541	4.464	0.682	-1.584	0.16	25.772
Just et al.	2023	98.551	4.462	–	–	–	–
Joshi et al.	2016	98.559	4.46	–	–	–	–
Kharchenko et al.	2016	98.551	4.462	–	–	–	–
Kharchenko et al.	2013	98.559	4.46	–	-0.75	-1.26	–
Bica et al.	2003	98.559	4.483	–	–	–	–

💡 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–	1.17	1.97	–	195	–	21	–	–
Just et al.	2023	–	–	–	195	–	21	–	–
Joshi et al.	2016	1.17	1.97	–	195	–	–	–	–
Kharchenko et al.	2016	1.17	1.97	–	195	–	–	–	–
Kharchenko et al.	2013	1.17	1.97	–	195	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
RMC-4a	57.8	98.54	4.46	0.68	-1.58	0.16	25.77	0.55
RMC-5	52.8	98.58	4.43	0.69	-1.58	0.14	7.99	0.5
LP 39	34.2	98.6	4.43	0.68	-1.57	0.12	25.77	0.0
RMC-2	19.3	98.37	4.56	0.68	-1.68	0.2	31.26	0.37
AFGL961	11.8	98.64	4.33	0.71	-1.5	0.0	–	0.35

💡 Note: The % column shows the percentage of members that RMC-4b shares with each listed object.

Visualization

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