17447+2443 SKF1764

 
 
17h 44m 39.20s +24 42' 58.5" P.A. 108.00 sep 1.2 mag 20.60,19.70 Sp DA+M3
 
 
Coord 2000
17447+2443
Discov num
SKF1764
Comp
Coord arcsec 2000
17 44 39.20 +24 42 58.5
Date first
2004
Date last
2015
Obs
2
Pa first
114
Pa last
108
P.A. Now (θ)
108°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
20.60
Mag sec
19.70
delta mag (ΔM)
0.9
Spectral class
DA+M3 (white dwarf/red)
Pri motion ra
-024
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.3
Precise sep
1.168
Constellation
Hercules
Gaia DR2
4581525143170002560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17447+2443 SKF1764 2004 1 114 1.2 20.60 19.70 DA+M3 174439.20+244258.5
17447+2443 SKF1764 2015 2 108 1.2 20.60 19.70 DA+M3 174439.20+244258.5

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