20007+5540 STI2492

 
 
20h 00m 40.15s +55 39' 25.5" P.A. 154 sep 3.9 mag 11.80,12.40
 
 
Coord 2000
20007+5540
Discov num
STI2492
Comp
Coord arcsec 2000
20 00 40.15 +55 39 25.5
Date first
1909
Date last
2003
Obs
3
Pa first
144
Pa last
154
P.A. Now (θ)
154°
Sep first
4.5
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.80
Mag sec
12.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
+004
Sec motion ra
-001
Pri motion dec
+023
Sec motion dec
+019
Notes
rPM=0.274 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.3
Precise sep
3.881
Constellation
Cygnus
last precise pa
154.3
last precise sep
3.881
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20007+5540 STI2492 1999 2 154 3.9 11.80 12.40 D 200040.15+553925.5
20007+5540 STI2492 2003 3 154 3.9 11.80 12.40 D 200040.15+553925.5

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