19501+3017 TDT1787

 
 
19h 50m 03.09s +30 16' 57.2" P.A. 338 sep 2.1 mag 11.25,11.38
 
 
Coord 2000
19501+3017
Discov num
TDT1787
Comp
Coord arcsec 2000
19 50 03.09 +30 16 57.2
Date first
1991
Date last
2007
Obs
2
Pa first
156
Pa last
338
P.A. Now (θ)
338°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
11.25
Mag sec
11.38
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.7
Precise sep
2.078
Constellation
Cygnus
Tycho2
2669-04350-1
HD
332810
last precise pa
337.7
last precise sep
2.078
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19501+3017 TDT1787 1991 1 156 2.0 11.25 11.38 195003.09+301657.2
19501+3017 TDT1787 2007 2 338 2.1 11.25 11.38 195003.09+301657.2

If you need more information about this double, apply for a data request form to the WDS.