21139+0427 BAL2977

 
 
21h 13m 53.57s +04 27' 12.5" P.A. 305 sep 17.1 mag 11.12,11.48 Sp G0
 
 
Coord 2000
21139+0427
Discov num
BAL2977
Comp
Coord arcsec 2000
21 13 53.57 +04 27 12.5
Date first
1908
Date last
2015
Obs
9
Pa first
292
Pa last
305
P.A. Now (θ)
305°
Sep first
16.8
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
11.12
Mag sec
11.48
delta mag (ΔM)
0.36
Spectral class
G0 (yellow)
Pri motion ra
-008
Sec motion ra
+008
Pri motion dec
-027
Sec motion dec
+006
Notes
rPM=1.302
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.5
Precise sep
17.13
Constellation
Equuleus
Tycho2
0535-00984-1
last precise pa
304.5
last precise sep
17.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21139+0427 BAL2977 2000 6 303 17.1 11.12 11.48 G0 D 211353.57+042712.5
21139+0427 BAL2977 2015 8 305 17.1 11.12 11.48 G0 211353.57+042712.5

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