20173+3834 MLB 951

 
 
20h 17m 16.45s +38 33' 55.3" P.A. 321 sep 4.9 mag 10.50,12.50
 
 
Coord 2000
20173+3834
Discov num
MLB 951
Comp
Coord arcsec 2000
20 17 16.45 +38 33 55.3
Date first
1934
Date last
2015
Obs
4
Pa first
314
Pa last
321
P.A. Now (θ)
321°
Sep first
3.3
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.50
Mag sec
12.50
delta mag (ΔM)
2
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.2
Precise sep
4.941
Constellation
Cygnus
Gaia DR2
37778600704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20173+3834 MLB 951 1934 1 314 3.3 10.50 12.50 I 201716.46+383355.3
20173+3834 MLB 951 2000 3 320 4.9 10.50 12.50 D 201716.45+383355.3
20173+3834 MLB 951 2002 4 321 4.9 10.50 12.50 D 201716.45+383355.3
20173+3834 MLB 951 2015 4 321 4.9 10.50 12.50 201716.45+383355.3

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