Ruprecht 33

N_50

r_50

126

7.7

Summary

Ruprecht 33 is a rich, dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Kharchenko et al. (2012)	116.483	-21.92	–	-4.34	2.35	–
Loktin & Popova (2017)	116.475	-21.92	–	-5.714	1.823	–
Cantat-Gaudin et al. (2018)	116.445	-21.915	0.417	-1.384	0.058	–
Soubiran et al. (2018)	116.445	-21.915	–	–	–	48.1
Cantat-Gaudin et al. (2020)	116.445	-21.915	0.417	-1.384	0.058	–
Dias et al. (2021)	116.461	-21.91	0.411	-1.388	0.067	–
Hunt & Reffert (2023)	116.445	-21.917	0.415	-1.384	0.065	51.219
He et al. (2023)	116.36	-21.999	0.289	-2.19	2.961	–
Cavallo et al. (2024)	116.442	-21.91	0.418	–	–	–
Hunt & Reffert (2024)	116.445	-21.917	0.415	-1.384	0.065	51.219
Almeida et al. (2025)	116.461	-21.91	–	–	–	–
Hu & Soubiran (2025)	116.442	-21.91	–	–	–	–

UCC	116.439	-21.916	0.419	-1.39	0.065	48.266

Galactocentric position

How are the galactocentric plots generated?

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Estimated members

1 2 3

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Fundamental parameters

Reference	Values
Kharchenko et al. (2012)	`e_bv=0.115, distance=1558, log_age=8.81`
Loktin & Popova (2017)	`E(B-V)=0.276, Dist=2994, logt=8.23`
Cantat-Gaudin et al. (2018)	`dmode=2244.8`
Soubiran et al. (2018)	`dmode=2244.8`
Cantat-Gaudin et al. (2020)	`AVNN=0.82, DistPc=2370.0, AgeNN=8.43`
Dias et al. (2021)	`Av=1.129, Dist=1957, logage=8.456, [Fe/H]=-0.078`
Hunt & Reffert (2023)	`AV50=0.941, diffAV50=0.897, MOD50=11.694, logAge50=8.489`
He et al. (2023)	`A0=1.35, m-M=12.45, logA=7.4`
Cavallo et al. (2024)	`AV50=0.87, dMod50=11.57, logAge50=8.73, [Fe/H]50=0.23`
Hunt & Reffert (2024)	`MassJ=557.749, MassTot=603.058`
Almeida et al. (2025)	`AV=1.129, Dist=1957, logAge=8.456, MassRk=276.2`
Hu & Soubiran (2025)	`MA22=-0.15, MA23f=-0.34, MZ23=-0.2, MK24=-0.24, MF24=-0.17`

Search coordinates in Bayestar19

Cluster region map