20442+0648 SKF2552AB

 
 
20h 44m 09.96s +06 48' 02.4" P.A. 60 sep 17.6 mag 9.80,17.00 Sp G0+M:
 
 
Coord 2000
20442+0648
Discov num
SKF2552
Comp
AB
Coord arcsec 2000
20 44 09.96 +06 48 02.4
Date first
1953
Date last
2013
Obs
7
Pa first
59
Pa last
60
P.A. Now (θ)
60°
Sep first
16.8
Sep last
17.6
Sep. Now (ρ)
17.6"
Mag pri
9.80
Mag sec
17.00
delta mag (ΔM)
7.2
Spectral class
G0+M: (yellow/red)
Pri motion ra
+040
Sec motion ra
+038
Pri motion dec
+028
Sec motion dec
+025
Notes
V (Proper motion indicates physical)
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
20442+0648 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20442+0648 SKF2552 AB 1953 2013 7 60 17.6 9.80 17.00 7.20 <===
Show 20442+0648 SKF2552 AC 1953 2013 6 31 23.1 9.80 17.60 7.80
Show 20442+0648 SKF2552 BC 1953 2013 6 344 11.4 17.00 17.60 0.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.7
Precise sep
17.56
Cdsa2 id
SKF 2552 AB
Constellation
Delphinus
Ra deg
20.7361
De deg
6.800666666666666
last precise pa
59.7
last precise sep
17.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20442+0648 SKF2552 AB 2013 6 60 17.6 9.80 17.00 G0+M: V 204409.96+064802.4

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