16577+2358 SKF2730

 
 
16h 57m 43.32s +23 57' 40.8" P.A. 52 sep 1.1 mag 19.50,20.90 Sp DA+M4
 
 
Coord 2000
16577+2358
Discov num
SKF2730
Comp
Coord arcsec 2000
16 57 43.32 +23 57 40.8
Date first
2003
Date last
2003
Obs
1
Pa first
52
Pa last
52
P.A. Now (θ)
52°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
19.50
Mag sec
20.90
delta mag (ΔM)
1.4
Spectral class
DA+M4
Pri motion ra
+020
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.9
Precise sep
1.13
Cdsa2 id
SKF 2730
Constellation
Hercules
Ra deg
16.962033333333334
De deg
23.961333333333332
last precise pa
51.9
last precise sep
1.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16577+2358 SKF2730 2003 1 52 1.1 19.50 20.90 DA+M4 165743.32+235740.8

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