20123+1525 BPM2055

 
 
20h 12m 18.00s +15 24' 52.9" P.A. 339.00 sep 119.3 mag 13.06,16.13
 
 
Coord 2000
20123+1525
Discov num
BPM2055
Comp
Coord arcsec 2000
20 12 18.00 +15 24 52.9
Date first
1991
Date last
2015
Obs
9
Pa first
339
Pa last
339
P.A. Now (θ)
339°
Sep first
119.0
Sep last
119.3
Sep. Now (ρ)
119.3"
Mag pri
13.06
Mag sec
16.13
delta mag (ΔM)
3.07
Spectral class
Pri motion ra
-009
Sec motion ra
-006
Pri motion dec
-006
Sec motion dec
-009
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.392
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339.1
Precise sep
119.301
Constellation
Aquila
SAO
105826
Tycho2
1618-01164-1
Gaia DR2
01284511872
HD
355106
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+1525 BPM2055 1998 2 339 119.1 13.14 15.98 NV 201218.00+152452.9
20123+1525 BPM2055 2001 3 339 119.0 13.14 15.98 NV 201218.00+152452.9
20123+1525 BPM2055 2010 4 339 119.2 13.06 16.13 NV 201218.00+152452.9
20123+1525 BPM2055 2015 5 339 119.3 13.06 16.13 NV 201218.00+152452.9

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