19556+1855 GWP2909

 
 
19h 55m 33.56s +18 54' 47.8" P.A. 245.00 sep 10.9 mag 11.60,17.30
 
 
Coord 2000
19556+1855
Discov num
GWP2909
Comp
Coord arcsec 2000
19 55 33.56 +18 54 47.8
Date first
1991
Date last
2015
Obs
6
Pa first
246
Pa last
245
P.A. Now (θ)
245°
Sep first
10.6
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
11.60
Mag sec
17.30
delta mag (ΔM)
5.7
Spectral class
Pri motion ra
+015
Sec motion ra
+010
Pri motion dec
-087
Sec motion dec
-090
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.3
Precise sep
10.856
Constellation
Sagitta
Tycho2
1624-02124-1
Gaia DR2
15680893696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19556+1855 GWP2909 2000 2 246 10.8 11.60 17.30 V 195533.56+185447.8
19556+1855 GWP2909 2015 5 245 10.9 11.60 17.30 V 195533.56+185447.8

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