Cluster • Praesepe

Name: Praesepe Cluster

Alternate Names: Melotte 88; M44; Beehive Cluster

Cluster Data

Parameter	Value	Error	Unit	Reference
dist_mean	181.8	8.5	pc	francis2012
plx_mean	5.47	0.05	mas	gc2017
rv_mean	33.4		km/s	yang2015
pm_ra_mean	-36.06	0.07	mas/yr	gc2017
pm_dec_mean	-13.15	0.08	mas/yr	gc2017

Non Fiducial Data

dist_mean (pc)
Value	Error	Ref.
181.8	8.5	francis2012
180.5	10.1	robichon1999
181.5	6.0	vl2009

plx_mean (mas)
Value	Error	Ref.
5.47	0.05	gc2017
5.54	0.31	robichon1999
5.49	0.18	vl2009

rv_mean (km/s)
Value	Error	Ref.
34.5		robichon1999
33.4		yang2015
36.2	15.0	madsen2002

rv_disp (km/s)
Value	Error	Ref.
0.0		robichon1999
0.67		madsen2002

pm_ra_mean (mas/yr)
Value	Error	Ref.
-36.06	0.07	gc2017
-36.24	0.35	robichon1999
-35.81	0.29	vl2009

pm_dec_mean (mas/yr)
Value	Error	Ref.
-13.15	0.08	gc2017
-12.88	0.24	robichon1999
-12.85	0.24	vl2009

cl_notes ([char])
Value	Error	Ref.
astrometric rv		madsen2002