FSR 1530

(MWSC 1774)

0.59 UTI

0.48

C_N

0.58

C_dens

0.75

C_C3

0.56

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 48

Radius (P>50% members) 2.5 [arcmin]

C_N 0.48 Poorly populated
C_dens 0.58 Moderately dense
C_C3 0.75 High quality
C_lit 0.56 Moderately studied
C_dup 1.0 Unique

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Overview

FSR 1530 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a large distance, below the mid-plane, affected by high extinction. It is catalogued as a massive, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Distant High extinction Massive Intermediate age

Data

Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	152.226	-57.29	0.178	-5.62	3.376	100.165
Hunt & Reffert	2024	152.242	-57.282	0.177	-5.618	3.386	180.291
Hunt & Reffert	2023	152.242	-57.282	0.177	-5.618	3.386	180.291
Just et al.	2023	152.237	-57.282	–	–	–	–
Cantat-Gaudin et al.	2020	152.216	-57.288	0.196	-5.661	3.373	–
Soubiran et al.	2018	152.216	-57.288	–	–	–	-21.14
Cantat-Gaudin et al.	2018	152.216	-57.288	0.196	-5.661	3.373	–
Kharchenko et al.	2016	152.237	-57.282	–	–	–	–
Kharchenko et al.	2013	152.242	-57.285	–	-1.47	5.19	–
Froebrich et al.	2007	152.254	-57.295	–	–	–	–

💡 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]	Bfr	BSS
Hunt & Reffert	2024	–	–	–	–	–	1723*	–	–
Hunt & Reffert	2023	5.74	6.70	2.09	45	–	–	–	–
Just et al.	2023	–	–	–	631	–	622	–	–
Cantat-Gaudin et al.	2020	5.42	3.90	–	1072	–	–	–	–
Soubiran et al.	2018	4.45	–	–	–	–	–	–	–
Cantat-Gaudin et al.	2018	4.45	–	–	–	–	–	–	–
Kharchenko et al.	2016	4.15	2.97	–	631	–	–	–	–
Kharchenko et al.	2013	4.15	2.97	–	631	–	–	–	–

💡 Note: The parameters are sometimes transformed from their original values to match the format of the columns shown here, see FAQ. The columns DAv, Bfr, BSS correspond to differential extinction, binary fraction, and blue stragglers, respectively. BSS values can be listed as fractions or integers.
(*): indicates that this parameter is assigned more than one value in the corresponding reference.

Visualization

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💡 Note: How are the galactocentric plots generated? See FAQ.