17159+5732 CVR 858

 
 
17h 15m 55.56s +57 32' 05.4" P.A. 190 sep 29.6 mag 20.40,20.60 Sp M3+M4
 
 
Coord 2000
17159+5732
Discov num
CVR 858
Comp
Coord arcsec 2000
17 15 55.56 +57 32 05.4
Date first
2000
Date last
2010
Obs
2
Pa first
191
Pa last
190
P.A. Now (θ)
190°
Sep first
29.9
Sep last
29.6
Sep. Now (ρ)
29.6"
Mag pri
20.40
Mag sec
20.60
delta mag (ΔM)
0.2
Spectral class
M3+M4 (red/red)
Pri motion ra
+015
Sec motion ra
+012
Pri motion dec
-044
Sec motion dec
-047
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.087 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.8
Precise sep
29.61
Constellation
Draco
last precise pa
189.8
last precise sep
29.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17159+5732 CVR 858 2000 1 191 29.9 20.40 20.60 M3+M4 V R 171554.88+573136.1
17159+5732 CVR 858 2010 2 191 29.7 20.40 20.60 M3+M4 V R 171555.56+573205.4

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