21173+0323 BAL2050

 
 
21h 17m 18.16s +03 23' 18.4" P.A. 181 sep 18.4 mag 12.15,12.14
 
 
Coord 2000
21173+0323
Discov num
BAL2050
Comp
Coord arcsec 2000
21 17 18.16 +03 23 18.4
Date first
1910
Date last
2010
Obs
5
Pa first
183
Pa last
181
P.A. Now (θ)
181°
Sep first
19.9
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
12.15
Mag sec
12.14
delta mag (ΔM)
0.01
Spectral class
Pri motion ra
-003
Sec motion ra
-004
Pri motion dec
-009
Sec motion dec
-001
Notes
rPM=0.85
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.1
Precise sep
18.36
Constellation
Equuleus
last precise pa
181.1
last precise sep
18.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21173+0323 BAL2050 2000 3 181 18.4 11.10 11.20 D 211718.16+032318.4
21173+0323 BAL2050 2010 5 181 18.3 12.15 12.14 211718.16+032318.4

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