19561+1808 J   499

 
 
19h 56m 04.23s +18 07' 08.8" P.A. 225 sep 2.2 mag 11.09,13.20
 
 
Coord 2000
19561+1808
Discov num
J   499
Comp
Coord arcsec 2000
19 56 04.23 +18 07 08.8
Date first
1911
Date last
1957
Obs
2
Pa first
221
Pa last
225
P.A. Now (θ)
225°
Sep first
2.1
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
11.09
Mag sec
13.20
delta mag (ΔM)
2.11
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.5
Precise sep
2.21
Constellation
Sagitta
Tycho2
1620-01476-1
last precise pa
224.5
last precise sep
2.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19561+1808 J 499 1957 2 225 2.2 11.09 13.20 195604.23+180708.8

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