21118+4417 TDT2812

 
 
21h 11m 46.21s +44 16' 44.5" P.A. 258 sep 0.5 mag 10.88,10.94 Sp A0V
 
 
Coord 2000
21118+4417
Discov num
TDT2812
Comp
Coord arcsec 2000
21 11 46.21 +44 16 44.5
Date first
1991
Date last
1991
Obs
1
Pa first
258
Pa last
258
P.A. Now (θ)
258°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.88
Mag sec
10.94
delta mag (ΔM)
0.06
Spectral class
A0V (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.2
Precise sep
0.49
Cdsa2 id
TDT 2812
Constellation
Cygnus
Tycho2
3181-03987-1
Ra deg
21.196169444444443
De deg
44.27902777777778
last precise pa
258.2
last precise sep
0.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21118+4417 TDT2812 1991 1 258 0.5 10.88 10.94 211146.21+441644.5

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