20420+1821 J   193

 
 
20H 42M 02.55S +18 21' 02.3" P.A. 83 SEP 5.3 MAG 9.00,11.70 SP G5
 
 
Coord 2000
20420+1821
Discov num
J   193
Comp
Coord arcsec 2000
20 42 02.55 +18 21 02.3
Date first
1895
Date last
2006
Obs
9
Pa first
92
Pa last
83
P.A. Now (θ)
83°
Sep first
6.0
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
9.00
Mag sec
11.70
delta mag (ΔM)
2.7
Spectral class
G5 (yellow)
Pri motion ra
+069
Sec motion ra
+125
Pri motion dec
+032
Sec motion dec
+043
Notes
rPM=0.432
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
SAO
106397
Tycho2
1638-00624-1
HD
352896
last precise pa
83.1
last precise sep
5.3