21071+3852 MLB 888

 
 
21h 07m 09.10s +38 52' 47.7" P.A. 56 sep 4.3 mag 11.60,13.20
 
 
Coord 2000
21071+3852
Discov num
MLB 888
Comp
Coord arcsec 2000
21 07 09.10 +38 52 47.7
Date first
1933
Date last
2016
Obs
5
Pa first
58
Pa last
56
P.A. Now (θ)
56°
Sep first
3.9
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
11.60
Mag sec
13.20
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-028
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.3
Precise sep
4.26
Constellation
Cygnus
Gaia DR2
01720046080
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21071+3852 MLB 888 1998 2 57 4.3 11.60 13.20 D 210709.10+385247.7
21071+3852 MLB 888 2002 3 57 4.3 11.60 13.20 D 210709.10+385247.7
21071+3852 MLB 888 2016 5 56 4.3 11.60 13.20 210709.10+385247.7

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