Mayer 1

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.68 0.87 0.75 0.86 1.0
C3	N_50	r_50
AB	86	5.3

Summary

Mayer 1 is a moderately populated, dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.

Search object in SciX | Simbad

Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Dias et al. (2002)	5.475	61.75	–	-1.68	-1.18	-20.9
Piskunov et al. (2008)	5.469	61.741	–	–	–	–
Kharchenko et al. (2012)	5.514	61.741	–	-3.87	-3.27	–
Loktin & Popova (2017)	5.475	61.75	–	-2.412	-3.28	-20.9
Cantat-Gaudin et al. (2018)	5.502	61.751	0.353	-3.341	-1.426	–
Cantat-Gaudin et al. (2020)	5.502	61.751	0.353	-3.341	-1.426	–
Dias et al. (2021)	5.519	61.761	0.354	-3.398	-1.487	–
Hunt & Reffert (2023)	5.487	61.75	0.346	-3.466	-1.469	–
Cavallo et al. (2024)	5.524	61.769	0.349	–	–	–
Celli et al. (2024)	5.475	61.759	–	–	–	–
Hunt & Reffert (2024)	5.487	61.75	0.346	-3.466	-1.469	–
Almeida et al. (2025)	5.519	61.761	–	–	–	–
UCC	5.498	61.76	0.347	-3.459	-1.481	-10.431

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
Dias et al. (2002)	E(B-V)=0.5, Dist=1430.0, Age=7.74
Piskunov et al. (2008)	E(B-V)=0.4, Dist=1429, logt=7.74, logMA=3.15
Kharchenko et al. (2012)	e_bv=0.5, distance=1430, log_age=7.74
Loktin & Popova (2017)	E(B-V)=0.439, Dist=3360, logt=7.84
Cantat-Gaudin et al. (2018)	dmode=2615.0
Cantat-Gaudin et al. (2020)	AVNN=1.29, DistPc=2618.0, AgeNN=7.46
Dias et al. (2021)	Av=1.584, Dist=2380, logage=7.137, [Fe/H]=0.012
Hunt & Reffert (2023)	AV50=1.659, diffAV50=2.125, MOD50=12.19, logAge50=7.343
Cavallo et al. (2024)	AV50=1.55, dMod50=12.09, logAge50=7.19, [Fe/H]50=0.43
Celli et al. (2024)	Age=28.8, Mc=230.3
Hunt & Reffert (2024)	MassJ=500.448, MassTot=505.108
Almeida et al. (2025)	AV=1.584, Dist=2380, logAge=7.137, MassRk=140.2

Search coordinates in Bayestar19

Cluster region map