16177+5454 TDS 808

 
 
16h 17m 43.94s +54 54' 08.2" P.A. 186 sep 1 mag 10.16,11.01 Sp F2
 
 
Coord 2000
16177+5454
Discov num
TDS 808
Comp
Coord arcsec 2000
16 17 43.94 +54 54 08.2
Date first
1991
Date last
2010
Obs
2
Pa first
179
Pa last
186
P.A. Now (θ)
186°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.16
Mag sec
11.01
delta mag (ΔM)
0.85
Spectral class
F2 (yellow-white)
Pri motion ra
-053
Sec motion ra
-053
Pri motion dec
+045
Sec motion dec
+045
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.8
Precise sep
1.008
Constellation
Draco
SAO
29876
Tycho2
3877-02134-1
HD
238548
last precise pa
185.8
last precise sep
1.008
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16177+5454 TDS 808 1991 1 179 1.0 10.16 11.01 161743.94+545408.2
16177+5454 TDS 808 2010 2 186 1.0 10.16 11.01 161743.94+545408.2

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