20440+4030 SLN  85

 
 
20h 44m 01.03s +40 30' 14.4" P.A. 203 sep 9.3 mag 15.30,17.90 Sp DA+DAH
 
 
Coord 2000
20440+4030
Discov num
SLN  85
Comp
Coord arcsec 2000
20 44 01.03 +40 30 14.4
Date first
1998
Date last
1998
Obs
1
Pa first
203
Pa last
203
P.A. Now (θ)
203°
Sep first
9.3
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
15.30
Mag sec
17.90
delta mag (ΔM)
2.6
Spectral class
DA+DAH
Pri motion ra
+019
Sec motion ra
Pri motion dec
+047
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203
Precise sep
9.26
Constellation
Cygnus
last precise pa
203
last precise sep
9.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20440+4030 SLN 85 1998 1 203 9.3 15.30 17.90 DA+DAH V 204401.03+403014.4
20440+4030 SLN 85 2000 2 209 9.9 15.30 17.90 DA+DAH V 204401.03+403014.4

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