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
Cdsa2 id
J 607
Constellation
Delphinus
Ra deg
20.951472222222222
De deg
18.016638888888888
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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