20121+0246 BAL2018

 
 
20h 12m 05.18s +02 45' 39.8" P.A. 341 sep 17.2 mag 9.69,12.50 Sp A0
 
 
Coord 2000
20121+0246
Discov num
BAL2018
Comp
Coord arcsec 2000
20 12 05.18 +02 45 39.8
Date first
1909
Date last
2015
Obs
10
Pa first
343
Pa last
341
P.A. Now (θ)
341°
Sep first
16.9
Sep last
17.2
Sep. Now (ρ)
17.2"
Mag pri
9.69
Mag sec
12.50
delta mag (ΔM)
2.81
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
-007
Pri motion dec
-005
Sec motion dec
-001
Notes
rPM=1.265
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.8
Precise sep
17.196
Constellation
Aquila
Tycho2
0499-01171-1
Gaia DR2
37743251072
HD
191900
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20121+0246 BAL2018 2000 3 341 17.1 9.69 12.50 A0 D 201205.18+024539.8
20121+0246 BAL2018 2002 5 341 17.1 9.69 12.50 A0 D 201205.18+024539.8
20121+0246 BAL2018 2010 6 341 17.1 9.69 12.50 A0 201205.18+024539.8
20121+0246 BAL2018 2015 7 341 17.2 9.69 12.50 A0 201205.18+024539.8

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