00171+1857 GRV  19

 
 
00h 17m 09.94s +18 57' 12.1" P.A. 4 sep 14.2 mag 11.09,12.02
 
 
Coord 2000
00171+1857
Discov num
GRV  19
Comp
Coord arcsec 2000
00 17 09.94 +18 57 12.1
Date first
1895
Date last
2015
Obs
6
Pa first
3
Pa last
4
P.A. Now (θ)
Sep first
14.7
Sep last
14.2
Sep. Now (ρ)
14.2"
Mag pri
11.09
Mag sec
12.02
delta mag (ΔM)
0.93
Spectral class
Pri motion ra
+032
Sec motion ra
+041
Pri motion dec
-032
Sec motion dec
-032
Notes
rPM=0.173 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.2
Precise sep
14.21
Constellation
Pisces
Tycho2
1182-01335-1
last precise pa
4.2
last precise sep
14.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00171+1857 GRV 19 2000 3 4 14.2 11.80 12.00 D 001709.94+185712.1
00171+1857 GRV 19 2013 4 3 14.8 11.09 12.02 001709.94+185712.1
00171+1857 GRV 19 2015 5 4 14.2 11.09 12.02 001709.94+185712.1

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