20181+3315 SEI1072

 
 
20h 18m 08.66s +33 15' 05.4" P.A. 328 sep 17.7 mag 10.11,11.53 Sp A5
 
 
Coord 2000
20181+3315
Discov num
SEI1072
Comp
Coord arcsec 2000
20 18 08.66 +33 15 05.4
Date first
1893
Date last
2015
Obs
16
Pa first
327
Pa last
328
P.A. Now (θ)
328°
Sep first
18.1
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
10.11
Mag sec
11.53
delta mag (ΔM)
1.42
Spectral class
A5 (white)
Pri motion ra
+006
Sec motion ra
+008
Pri motion dec
+008
Sec motion dec
+008
Notes
rPM=0.177 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.3
Precise sep
17.673
Constellation
Cygnus
SAO
69778
Tycho2
2676-00565-1
Gaia DR2
99738351872
HD
228805
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+3315 SEI1072 1999 9 328 17.7 10.11 11.54 A5 D 201808.66+331505.4
20181+3315 SEI1072 2002 10 328 17.7 10.11 11.54 A5 D 201808.66+331505.4
20181+3315 SEI1072 2010 11 328 17.6 10.11 11.53 A5 201808.66+331505.4
20181+3315 SEI1072 2015 12 328 17.7 10.11 11.53 A5 201808.66+331505.4

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