19400+4520 TDT1618

 
 
19h 40m 01.46s +45 20' 10.1" P.A. 255 sep 1 mag 11.87,11.93
 
 
Coord 2000
19400+4520
Discov num
TDT1618
Comp
Coord arcsec 2000
19 40 01.46 +45 20 10.1
Date first
1991
Date last
2015
Obs
2
Pa first
254
Pa last
255
P.A. Now (θ)
255°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.87
Mag sec
11.93
delta mag (ΔM)
0.06
Spectral class
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
254.8
Precise sep
1.029
Constellation
Cygnus
Tycho2
3556-03615-1
Gaia DR2
63645698560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19400+4520 TDT1618 1991 1 254 0.9 11.87 11.93 194001.46+452010.1
19400+4520 TDT1618 2015 2 255 1.0 11.87 11.93 194001.46+452010.1

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