Cluster • Pleiades

Name: Pleiades Cluster

Alternate Names: Melotte 22; M45; Seven Sisters

Cluster Data

Parameter	Value	Error	Unit	Reference
dist_mean	134.0	9.0	pc	gagne2018
plx_mean	7.48	0.03	mas	gc2017
cl_size	4.1		pc	gagne2018
rv_mean	5.5		km/s	funayama2009
pm_ra_mean	20.38	0.07	mas/yr	gc2017
pm_dec_mean	-45.39	0.08	mas/yr	gc2017

Non Fiducial Data

dist_mean (pc)
Value	Error	Ref.
118.2	3.1	robichon1999
134.0	9.0	gagne2018

plx_mean (mas)
Value	Error	Ref.
7.48	0.03	gc2017
8.46	0.22	robichon1999

cl_size (pc)
Value	Error	Ref.
4.1		gagne2018

rv_mean (km/s)
Value	Error	Ref.
5.7	0.5	robichon1999
10.85	4.36	madsen2002
6.0	2.0	gagne2018
5.85		rosvick1992
5.5		funayama2009

rv_disp (km/s)
Value	Error	Ref.
0.5		madsen2002
0.68		rosvick1992

pm_ra_mean (mas/yr)
Value	Error	Ref.
20.38	0.07	gc2017
19.7		lodieu2012
19.15	0.23	robichon1999

pm_dec_mean (mas/yr)
Value	Error	Ref.
-45.39	0.08	gc2017
-44.82		lodieu2012
-45.72	0.18	robichon1999

cl_notes ([char])
Value	Error	Ref.
astrometric rv		madsen2002
i don't actually see rv data in this reference		funayama2009