15574+6833 DAM  87

 
 
15h 57m 23.88s +68 33' 22.2" P.A. 134 sep 10.6 mag 10.80,12.50 Sp G
 
 
Coord 2000
15574+6833
Discov num
DAM  87
Comp
Coord arcsec 2000
15 57 23.88 +68 33 22.2
Date first
1893
Date last
2016
Obs
8
Pa first
150
Pa last
134
P.A. Now (θ)
134°
Sep first
17.6
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
10.80
Mag sec
12.50
delta mag (ΔM)
1.7
Spectral class
G (yellow)
Pri motion ra
+008
Sec motion ra
-002
Pri motion dec
-060
Sec motion dec
+005
Notes
U (Proper motion indicates non-physical)
rPM=1.086
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
133.9
Precise sep
10.592
Cdsa2 id
DAM 87
Constellation
Draco
Tycho2
4412-01908-1
Ra deg
15.956633333333333
De deg
68.55616666666667
last precise pa
133.9
last precise sep
10.592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15574+6833 DAM 87 2000 1 136 11.4 10.80 12.50 G 155723.88+683322.2
15574+6833 DAM 87 2003 3 136 11.2 10.80 12.50 G D 155723.88+683322.2
15574+6833 DAM 87 2013 5 134 10.6 10.80 12.50 G U 155723.88+683322.2
15574+6833 DAM 87 2016 8 134 10.6 10.80 12.50 G U 155723.88+683322.2

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