Cluster • Upper Sco

Name
Upper Scorpius OB Association
Alternate Names
US
USco
Antares Moving Group
Parent
Sco-Cen

Cluster Data

Parameter
Value
Error
Unit
Reference
dist_mean
143.0
0.4
cl_size
35.8
 
rv_mean
-6.3
1.0
pm_ra_mean
-12.9
 
pm_dec_mean
-24.6
 

Non Fiducial Data

dist_mean (pc)
Value Error Ref.
145.0 10.0 racine1968
158.0 16.0 whittet1974
144.0 2.7 francis2012
136.2 14.0 YSOC
146.0 3.0 galli2018
145.0 2.0 dezeeuw1999
130.0 20.0 gagne2018
143.0 0.4 wright2018
cl_size (pc)
Value Error Ref.
9.9 gagne2018
35.8 wright2018
rv_mean (km/s)
Value Error Ref.
-4.5 1.0 mohanty2004
-0.17 1.33 madsen2002
-6.5 2.5 muzerolle2003
-5.2 1.8 walter1994
-6.28 1.72 dahm2012
-6.3 1.0 kurosawa2006
-4.6 dezeeuw1999
0.0 4.0 gagne2018
rv_disp (km/s)
Value Error Ref.
1.33 madsen2002
pm_ra_mean (mas/yr)
Value Error Ref.
-8.6 lodieu2013a
-12.9 YSOC
-11.0 0.1 dezeeuw1999
-8.5 0.1 best2017
pm_ra_disp (mas/yr)
Value Error Ref.
4.3 best2017
pm_dec_mean (mas/yr)
Value Error Ref.
-19.6 lodieu2013a
-24.6 YSOC
-25.0 0.1 dezeeuw1999
-19.6 0.1 best2017
pm_dec_disp (mas/yr)
Value Error Ref.
5.6 best2017
cl_notes ([char])
Value Error Ref.
astrometric rv madsen2002
table2 muzerolle2003
table7 walter1994
hillenbrand2017 gaiaDR1 analysis - to be refined YSOC
additional +/-=6 pc systematic error galli2018
is this the right pm vs -10 -20 ?? dezeeuw1999
gaiaDR1 analysis wright2018

Associated Stars 1854

Star Name
RA
Dec
228.70920900
-22.90962800
229.30695600
-20.04409000
229.95950106
-23.23283548
229.97048556
-28.04093296
231.04775352
-30.51626774
231.04775352
-30.51626774
232.36173017
-28.84807679
232.36191213
-28.84785077
232.36191213
-28.84785077
232.59004628
-20.61345502
232.91566800
-25.34558391
233.04305500
-21.96680100
233.29167950
-23.38859882
233.36409686
-66.85704066
233.41124813
-20.31526712
233.67120373
-23.37121179
233.78593562
-25.54443963
233.80693008
-28.47469986
233.81702340
-25.73426248
233.95234297
-29.98210959