21094+3905 GUR   1

 
 
21h 09m 25.57s +39 04' 53.7" P.A. 150 sep 8.3 mag 10.73,13.80
 
 
Coord 2000
21094+3905
Discov num
GUR   1
Comp
Coord arcsec 2000
21 09 25.57 +39 04 53.7
Date first
1998
Date last
2015
Obs
4
Pa first
150
Pa last
150
P.A. Now (θ)
150°
Sep first
8.3
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
10.73
Mag sec
13.80
delta mag (ΔM)
3.07
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.3
Precise sep
8.283
Constellation
Cygnus
Tycho2
3168-00756-1
Gaia DR2
1872067225187183616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21094+3905 GUR 1 2012 3 151 8.2 10.73 13.80 210925.57+390453.7
21094+3905 GUR 1 2015 4 150 8.3 10.73 13.80 210925.57+390453.7

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