16177+3914 HJ  584

 
 
16h 17m 44.07s +39 14' 25.0" P.A. 200 sep 15.4 mag 10.16,13.47 Sp G0
 
 
Coord 2000
16177+3914
Discov num
HJ  584
Comp
Coord arcsec 2000
16 17 44.07 +39 14 25.0
Date first
1827
Date last
2015
Obs
15
Pa first
260
Pa last
200
P.A. Now (θ)
200°
Sep first
13.5
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
10.16
Mag sec
13.47
delta mag (ΔM)
3.31
Spectral class
G0 (yellow)
Pri motion ra
-069
Sec motion ra
+005
Pri motion dec
+035
Sec motion dec
-018
Notes
rPM=1.176
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.1
Precise sep
15.36
Constellation
Corona Borealis
SAO
65208
Tycho2
3062-01144-1
last precise pa
200.1
last precise sep
15.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16177+3914 HJ 584 2006 5 203 15.2 10.15 11.30 G0 D 161744.07+391425.0
16177+3914 HJ 584 2012 8 202 15.3 10.15 11.30 G0 D 161744.07+391425.0
16177+3914 HJ 584 2014 13 201 15.3 10.16 13.47 G0 161744.07+391425.0
16177+3914 HJ 584 2015 15 200 15.4 10.16 13.47 G0 161744.07+391425.0

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