17380+5521 GRV1137

 
 
17h 38m 28.53s +55 21' 46.6" P.A. 59 sep 41.8 mag 15.90,16.00 Sp K7.7+K7.8
 
 
Coord 2000
17380+5521
Discov num
GRV1137
Comp
Coord arcsec 2000
17 38 28.53 +55 21 46.6
Date first
2000
Date last
2010
Obs
5
Pa first
59
Pa last
59
P.A. Now (θ)
59°
Sep first
41.7
Sep last
41.8
Sep. Now (ρ)
41.8"
Mag pri
15.90
Mag sec
16.00
delta mag (ΔM)
0.1
Spectral class
K7.7+K7.8 (yellow-orange/yellow-orange)
Pri motion ra
+011
Sec motion ra
+009
Pri motion dec
+050
Sec motion dec
+051
Notes
V (Proper motion indicates physical)
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
58.6
Precise sep
41.78
Constellation
Draco
last precise pa
58.6
last precise sep
41.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17380+5521 GRV1137 2000 2 59 41.6 15.90 16.00 D 173828.53+552146.6
17380+5521 GRV1137 2003 4 59 41.6 15.90 16.00 K7.7+K7.8 NVD 173828.53+552146.6
17380+5521 GRV1137 2010 5 59 41.6 15.90 16.00 K7.7+K7.8 V 173828.53+552146.6

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