18489+1219 BPM 841

 
 
18h 48m 53.55s +12 18' 34.8" P.A. 22 sep 72.6 mag 12.34,12.52
 
 
Coord 2000
18489+1219
Discov num
BPM 841
Comp
Coord arcsec 2000
18 48 53.55 +12 18 34.8
Date first
1964
Date last
2010
Obs
4
Pa first
22
Pa last
22
P.A. Now (θ)
22°
Sep first
72.6
Sep last
72.6
Sep. Now (ρ)
72.6"
Mag pri
12.34
Mag sec
12.52
delta mag (ΔM)
0.18
Spectral class
Pri motion ra
+002
Sec motion ra
+000
Pri motion dec
+003
Sec motion dec
-001
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.24
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22
Precise sep
72.63
Constellation
Hercules
last precise pa
22
last precise sep
72.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18489+1219 BPM 841 1999 2 22 72.6 12.78 12.95 NV 184853.55+121834.8
18489+1219 BPM 841 2001 3 22 72.6 12.78 12.95 NV 184853.55+121834.8
18489+1219 BPM 841 2010 4 22 72.6 12.34 12.52 NV 184853.55+121834.8

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