Alessi-Teutsch 21

(Alessi-Teutsch 1; Alessi 23; AT 21)

UTI: UCC Trust Index C_N C_dens C_C3 C_lit C_dup 0.8 1.0 0.75 0.42 1.0 Alessi-Teutsch 21 is a rich, very dense object of high C3 quality. It is poorly studied in the literature. This object shares a large percentage of members with 3 later reported entries.
C3	N_50	r_50
AB	229	9.4

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Positions

Reference	RA	DEC	Plx	pmRA	pmDE	Rv
Bica et al. (2019)	15.073	55.38	–	–	–	–
Hunt & Reffert (2023)	15.098	55.406	0.76	-4.438	-2.065	-33.137
Cavallo et al. (2024)	15.054	55.402	0.769	–	–	–
Hunt & Reffert (2024)	15.098	55.406	0.76	-4.438	-2.065	-33.137
UCC	15.054	55.411	0.769	-4.431	-2.059	-32.589

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Estimated members

1 2

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Fundamental parameters

Reference	Values
Hunt & Reffert (2023)	AV50=0.807, diffAV50=0.672, MOD50=10.427, logAge50=8.566
Cavallo et al. (2024)	AV50=0.96, dMod50=10.54, logAge50=8.55, [Fe/H]50=0.2
Hunt & Reffert (2024)	MassJ=519.491

Search coordinates in Bayestar19

Cluster region

Objects with shared members

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
UBC 35	90.8	15.05	55.41	0.77	-4.44	-2.05	-32.45	0.01
COIN-Gaia 2	80.8	15.05	55.41	0.77	-4.44	-2.06	-32.25	0.0
CWWDL 3306	29.3	15.08	55.39	0.78	-4.44	-2.08	-32.19	0.0