20099+3951 ALI1135

 
 
20h 09m 48.42s +39 50' 35.3" P.A. 200.00 sep 13.1 mag 11.59,11.90
 
 
Coord 2000
20099+3951
Discov num
ALI1135
Comp
Coord arcsec 2000
20 09 48.42 +39 50 35.3
Date first
1892
Date last
2015
Obs
10
Pa first
194
Pa last
200
P.A. Now (θ)
200°
Sep first
11.4
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
11.59
Mag sec
11.90
delta mag (ΔM)
0.31
Spectral class
Pri motion ra
+001
Sec motion ra
-017
Pri motion dec
-007
Sec motion dec
-019
Notes
rPM=0.849
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
199.7
Precise sep
13.116
Constellation
Cygnus
Tycho2
3154-03306-1
Gaia DR2
16869048832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20099+3951 ALI1135 1998 3 199 12.8 11.59 11.90 D 200948.42+395035.3
20099+3951 ALI1135 2002 4 199 12.9 11.59 11.90 D 200948.42+395035.3
20099+3951 ALI1135 2010 5 199 13.0 11.59 11.90 200948.42+395035.3
20099+3951 ALI1135 2015 6 200 13.1 11.59 11.90 200948.42+395035.3

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