20481+1616 SKF1770

 
 
20h 48m 05.53s +16 15' 40.8" P.A. 223 sep 3.1 mag 20.30,17.70 Sp DA+M4e
 
 
Coord 2000
20481+1616
Discov num
SKF1770
Comp
Coord arcsec 2000
20 48 05.53 +16 15 40.8
Date first
2004
Date last
2004
Obs
1
Pa first
223
Pa last
223
P.A. Now (θ)
223°
Sep first
3.1
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
20.30
Mag sec
17.70
delta mag (ΔM)
2.6
Spectral class
DA+M4e
Pri motion ra
-012
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
222.9
Precise sep
3.09
Constellation
Delphinus
last precise pa
222.9
last precise sep
3.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20481+1616 SKF1770 2004 1 223 3.1 20.30 17.70 DA+M4e 204805.53+161540.8

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