20138+3710 TOB 181

 
 
20h 13m 47.23s +37 09' 52.1" P.A. 16 sep 15 mag 12.10,12.90
 
 
Coord 2000
20138+3710
Discov num
TOB 181
Comp
Coord arcsec 2000
20 13 47.23 +37 09 52.1
Date first
1983
Date last
2015
Obs
8
Pa first
16
Pa last
16
P.A. Now (θ)
16°
Sep first
15.2
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
12.10
Mag sec
12.90
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-008
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
+002
Notes
rPM=0.978
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.2
Precise sep
15.036
Constellation
Cygnus
Gaia DR2
93005223424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20138+3710 TOB 181 1999 2 16 15.3 12.10 12.90 D 201347.23+370952.1
20138+3710 TOB 181 2002 3 16 15.1 12.10 12.90 D 201347.23+370952.1
20138+3710 TOB 181 2010 4 16 14.6 12.10 12.90 201347.23+370952.1
20138+3710 TOB 181 2015 4 16 15.1 12.10 12.90 201347.23+370952.1

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