21029+1708 BPMA250

 
 
21h 02m 55.21s +17 08' 23.9" P.A. 39 sep 200.7 mag 13.26,14.85
 
 
Coord 2000
21029+1708
Discov num
BPMA250
Comp
Coord arcsec 2000
21 02 55.21 +17 08 23.9
Date first
1995
Date last
2010
Obs
4
Pa first
40
Pa last
39
P.A. Now (θ)
39°
Sep first
198.8
Sep last
200.7
Sep. Now (ρ)
200.7"
Mag pri
13.26
Mag sec
14.85
delta mag (ΔM)
1.59
Spectral class
Pri motion ra
+003
Sec motion ra
-021
Pri motion dec
-007
Sec motion dec
-022
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.931
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.1
Precise sep
200.72
Constellation
Delphinus
last precise pa
39.1
last precise sep
200.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21029+1708 BPMA250 2000 2 40 198.9 13.57 15.26 NV 210255.21+170823.9
21029+1708 BPMA250 2001 3 40 198.9 13.57 15.26 NV 210255.21+170823.9
21029+1708 BPMA250 2010 4 39 200.6 13.26 14.85 NV 210255.21+170823.9

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