20251+5727 MLB  84

 
 
20h 25m 08.64s +57 26' 56.7" P.A. 156 sep 7.9 mag 9.55,14.10 Sp G0
 
 
Coord 2000
20251+5727
Discov num
MLB  84
Comp
Coord arcsec 2000
20 25 08.64 +57 26 56.7
Date first
1918
Date last
2015
Obs
9
Pa first
152
Pa last
156
P.A. Now (θ)
156°
Sep first
7.9
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
9.55
Mag sec
14.10
delta mag (ΔM)
4.55
Spectral class
G0 (yellow)
Pri motion ra
+016
Sec motion ra
+037
Pri motion dec
+038
Sec motion dec
+025
Notes
rPM=0.553
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
156.3
Precise sep
7.939
Constellation
Cygnus
SAO
32558
Tycho2
3945-00833-1
Gaia DR2
42673280896
HD
239402
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20251+5727 MLB 84 1999 2 157 7.8 9.55 14.10 G0 D 202508.64+572656.7
20251+5727 MLB 84 2003 3 157 8.0 9.55 14.10 G0 D 202508.64+572656.7
20251+5727 MLB 84 2010 4 157 7.6 9.55 14.10 G0 202508.64+572656.7
20251+5727 MLB 84 2015 5 157 7.9 9.55 14.10 G0 202508.64+572656.7

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