20091+3907 MLB 771

 
 
20h 09m 06.92s +39 06' 22.7" P.A. 17 sep 3.7 mag 11.59,13.60 Sp F5III
 
 
Coord 2000
20091+3907
Discov num
MLB 771
Comp
Coord arcsec 2000
20 09 06.92 +39 06 22.7
Date first
1932
Date last
2015
Obs
5
Pa first
20
Pa last
17
P.A. Now (θ)
17°
Sep first
2.9
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.59
Mag sec
13.60
delta mag (ΔM)
2.01
Spectral class
F5III (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.9
Precise sep
3.734
Constellation
Cygnus
Tycho2
3150-01102-1
Gaia DR2
24129038976
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20091+3907 MLB 771 1998 3 17 3.7 11.59 13.60 D 200906.92+390622.7
20091+3907 MLB 771 2002 4 16 3.7 11.59 13.60 D 200906.92+390622.7
20091+3907 MLB 771 2015 5 17 3.7 11.59 13.60 F5III 200906.92+390622.7

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