20170+3153 SEI1061

 
 
20h 16m 57.66s +31 52' 10.8" P.A. 98.00 sep 6.3 mag 10.00,10.50
 
 
Coord 2000
20170+3153
Discov num
SEI1061
Comp
Coord arcsec 2000
20 16 57.66 +31 52 10.8
Date first
1893
Date last
2015
Obs
16
Pa first
124
Pa last
98
P.A. Now (θ)
98°
Sep first
5.0
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
10.00
Mag sec
10.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-025
Sec motion ra
-005
Pri motion dec
-018
Sec motion dec
-010
Notes
N (See Notes)
Visually invisible, K-band or other infrared star rPM=0.699
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.8
Precise sep
6.294
Constellation
Cygnus
Gaia DR2
07113614336
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20170+3153 SEI1061 1999 9 101 6.1 10.00 10.50 N D 201657.66+315210.8
20170+3153 SEI1061 2010 10 99 6.1 10.00 10.50 N D 201657.66+315210.8
20170+3153 SEI1061 2015 12 98 6.3 10.00 10.50 N 201657.66+315210.8

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