17427+2138 BRT2438

 
 
17h 42m 42.30s +21 38' 33.7" P.A. 355 sep 3.2 mag 10.80,11.30
 
 
Coord 2000
17427+2138
Discov num
BRT2438
Comp
Coord arcsec 2000
17 42 42.30 +21 38 33.7
Date first
1894
Date last
2013
Obs
7
Pa first
6
Pa last
355
P.A. Now (θ)
355°
Sep first
3.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
10.80
Mag sec
11.30
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+001
Sec motion ra
-003
Pri motion dec
-005
Sec motion dec
+032
Notes
rPM=1.158
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
354.9
Precise sep
3.23
Constellation
Hercules
Tycho2
1563-03186-1
last precise pa
354.9
last precise sep
3.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17427+2138 BRT2438 2002 5 357 3.2 10.80 11.30 174242.30+213833.7
17427+2138 BRT2438 2013 7 355 3.2 10.80 11.30 174242.30+213833.7

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