18540+6522 DAM 680

 
 
18h 53m 59.35s +65 22' 06.9" P.A. 117.00 sep 15.7 mag 11.80,12.40
 
 
Coord 2000
18540+6522
Discov num
DAM 680
Comp
Coord arcsec 2000
18 53 59.35 +65 22 06.9
Date first
1892
Date last
2015
Obs
9
Pa first
114
Pa last
117
P.A. Now (θ)
117°
Sep first
15.6
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
11.80
Mag sec
12.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
+032
Sec motion dec
+028
Notes
V (Proper motion indicates physical)
rPM=0.124 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
116.6
Precise sep
15.676
Constellation
Draco
Tycho2
4224-01251-1
Gaia DR2
2253758941545587072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18540+6522 DAM 680 2003 3 117 15.7 11.80 12.40 V 185359.35+652206.9
18540+6522 DAM 680 2010 5 117 15.6 11.80 12.40 V 185359.35+652206.9
18540+6522 DAM 680 2015 6 116 15.8 11.80 12.40 V 185359.35+652206.9

If you need more information about this double, apply for a data request form to the WDS.