20571+1801 J   607

 
 
20h 57m 05.30s +18 00' 59.9" P.A. 305 sep 3.1 mag 10.70,12.40
 
 
Coord 2000
20571+1801
Discov num
J   607
Comp
Coord arcsec 2000
20 57 05.30 +18 00 59.9
Date first
1911
Date last
2002
Obs
4
Pa first
296
Pa last
305
P.A. Now (θ)
305°
Sep first
2.2
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
10.70
Mag sec
12.40
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
-012
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.4
Precise sep
3.06
Constellation
Delphinus
last precise pa
305.4
last precise sep
3.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20571+1801 J 607 2002 4 305 3.1 10.80 12.40 205705.30+180059.9

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