20198+1550 STE   2

 
 
20h 19m 50.81s +15 50' 34.9" P.A. 164 sep 8.1 mag 10.37,11.10 Sp A7III+M
 
 
Coord 2000
20198+1550
Discov num
STE   2
Comp
Coord arcsec 2000
20 19 50.81 +15 50 34.9
Date first
1964
Date last
2015
Obs
8
Pa first
160
Pa last
164
P.A. Now (θ)
164°
Sep first
7.0
Sep last
8.1
Sep. Now (ρ)
8.1"
Mag pri
10.37
Mag sec
11.10
delta mag (ΔM)
0.73
Spectral class
A7III+M (white/red)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-005
Notes
rPM=1.109
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.1
Precise sep
8.1
Constellation
Delphinus
Tycho2
1631-01936-1
Gaia DR2
96940488064
HD
355493
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20198+1550 STE 2 1964 1 160 7.0 10.30 11.10 A7III+M 201950.81+155035.0
20198+1550 STE 2 1998 2 164 7.8 10.37 11.10 A7III+M D 201950.81+155034.9
20198+1550 STE 2 2011 3 163 8.1 10.37 11.10 A7III+M D 201950.81+155034.9
20198+1550 STE 2 2015 5 164 8.1 10.37 11.10 A7III+M 201950.81+155034.9

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