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
Cdsa2 id
STI 2492
Constellation
Cygnus
Ra deg
20.011152777777777
De deg
55.65708333333333
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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