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
Cdsa2 id
BPMA 250
Constellation
Delphinus
Ra deg
21.048669444444446
De deg
17.139972222222223
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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