17315+5222 BEM9023

 
 
17h 31m 27.39s +52 21' 48.1" P.A. 52 sep 15.5 mag 11.90,12.20
 
 
Coord 2000
17315+5222
Discov num
BEM9023
Comp
Coord arcsec 2000
17 31 27.39 +52 21 48.1
Date first
1902
Date last
2017
Obs
7
Pa first
65
Pa last
52
P.A. Now (θ)
52°
Sep first
13.6
Sep last
15.5
Sep. Now (ρ)
15.5"
Mag pri
11.90
Mag sec
12.20
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+004
Sec motion ra
+002
Pri motion dec
-009
Sec motion dec
+020
Notes
rPM=1.446
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.7
Precise sep
15.5
Constellation
Draco
Tycho2
3521-00963-1
last precise pa
51.7
last precise sep
15.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17315+5222 BEM9023 2000 4 53 15.3 12.40 11.90 173127.39+522148.1
17315+5222 BEM9023 2003 5 52 15.3 12.40 11.90 173127.39+522148.1
17315+5222 BEM9023 2010 5 52 15.4 12.40 11.90 173127.39+522148.1
17315+5222 BEM9023 2017 7 52 15.5 11.90 12.20 173127.39+522148.1

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