19457+1339 BPM1489

 
 
19h 45m 42.77s +13 39' 29.0" P.A. 89.00 sep 29.2 mag 14.36,15.05
 
 
Coord 2000
19457+1339
Discov num
BPM1489
Comp
Coord arcsec 2000
19 45 42.77 +13 39 29.0
Date first
1993
Date last
2015
Obs
8
Pa first
91
Pa last
89
P.A. Now (θ)
89°
Sep first
27.7
Sep last
29.2
Sep. Now (ρ)
29.2"
Mag pri
14.36
Mag sec
15.05
delta mag (ΔM)
0.69
Spectral class
Pri motion ra
-027
Sec motion ra
-011
Pri motion dec
-018
Sec motion dec
+012
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.048
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.4
Precise sep
29.203
Constellation
Aquila
Tycho2
1069-00936-1
Gaia DR2
39768111616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19457+1339 BPM1489 1997 2 89 29.3 14.80 15.45 NV 194542.77+133929.0
19457+1339 BPM1489 2001 3 89 29.3 14.80 15.45 NV 194542.77+133929.0
19457+1339 BPM1489 2010 4 90 28.2 14.36 15.05 NV 194542.77+133929.0
19457+1339 BPM1489 2015 5 89 29.4 14.36 15.05 NV 194542.77+133929.0

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