17380+5521 GRV1137

 
 
17h 38m 28.53s +55 21' 46.6" P.A. 59 sep 41.7 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
2015
Obs
6
Pa first
59
Pa last
59
P.A. Now (θ)
59°
Sep first
41.7
Sep last
41.7
Sep. Now (ρ)
41.7"
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
N V (See Notes, 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
41.68
Cdsa2 id
GRV 1137
Constellation
Draco
Ra deg
17.641258333333333
De deg
55.362944444444445
last precise pa
58.6
last precise sep
41.68
 
 
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
17380+5521 GRV1137 2015 6 59 41.7 15.90 16.00 K7.7+K7.8 NV 173828.53+552146.6

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