20253+4003 MLB  22

 
 
20h 25m 21.35s +40 04' 22.5" P.A. 227 sep 6.2 mag 10.30,11.60
 
 
Coord 2000
20253+4003
Discov num
MLB  22
Comp
Coord arcsec 2000
20 25 21.35 +40 04 22.5
Date first
1917
Date last
2015
Obs
13
Pa first
225
Pa last
227
P.A. Now (θ)
227°
Sep first
5.1
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
10.30
Mag sec
11.60
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+004
Sec motion ra
-020
Pri motion dec
-006
Sec motion dec
-015
Notes
rPM=1.025
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.3
Precise sep
6.177
Constellation
Cygnus
SAO
70001
Tycho2
3156-01167-1
Gaia DR2
52487029376
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20253+4003 MLB 22 1998 6 227 6.2 10.30 11.60 DI 202521.35+400422.5
20253+4003 MLB 22 2009 7 228 5.8 10.30 11.60 D 202521.35+400422.5
20253+4003 MLB 22 2015 9 227 6.2 10.30 11.60 202521.35+400422.5

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