19370+3003 SLE 649

 
 
19h 37m 01.51s +30 02' 35.7" P.A. 164 sep 13.1 mag 9.75,12.10 Sp B9
 
 
Coord 2000
19370+3003
Discov num
SLE 649
Comp
Coord arcsec 2000
19 37 01.51 +30 02 35.7
Date first
1895
Date last
2010
Obs
5
Pa first
160
Pa last
164
P.A. Now (θ)
164°
Sep first
13.2
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
9.75
Mag sec
12.10
delta mag (ΔM)
2.35
Spectral class
B9 (blue-white)
Pri motion ra
-003
Sec motion ra
-011
Pri motion dec
+001
Sec motion dec
+001
Notes
rPM=0.724
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
163.9
Precise sep
13.12
Constellation
Cygnus
last precise pa
163.9
last precise sep
13.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19370+3003 SLE 649 1998 3 164 13.1 9.75 10.40 D 193701.51+300235.7
19370+3003 SLE 649 2010 4 164 13.1 9.75 12.10 D 193701.51+300235.7

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