21028+3534 SEI1376AC

 
 
21h 02m 46.07s +35 33' 29.8" P.A. 272 sep 11.4 mag 12.30,12.70
 
 
Coord 2000
21028+3534
Discov num
SEI1376
Comp
AC
Coord arcsec 2000
21 02 46.07 +35 33 29.8
Date first
1896
Date last
2012
Obs
6
Pa first
270
Pa last
272
P.A. Now (θ)
272°
Sep first
11.3
Sep last
11.4
Sep. Now (ρ)
11.4"
Mag pri
12.30
Mag sec
12.70
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+000
Sec motion ra
+002
Pri motion dec
-005
Sec motion dec
-002
Notes
N R (See Notes, Red magnitudes)
rPM=0.721
Nature of this double is uncertain.
 
 
21028+3534 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21028+3534 SEI1375 AB 1896 2007 9 337 6.7 12.30 11.50 0.80
Show 21028+3534 SEI1376 AC 1896 2012 6 272 11.4 12.30 12.70 0.40 <===
Show 21028+3534 BTG 6 BC 1896 2007 6 236 10.7 11.50 12.70 1.20
Show 21028+3534 BTG 6 BD 1998 2007 3 274 16.0 11.50 14.20 2.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271.7
Precise sep
11.42
Cdsa2 id
SEI 1376 AC
Constellation
Cygnus
Ra deg
21.046130555555557
De deg
35.558277777777775
last precise pa
271.7
last precise sep
11.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21028+3534 SEI1376 AC 1941 3 271 12.0 10.00 11.00 210245.85+353336.0
21028+3534 SEI1376 AC 2007 4 236 10.7 9.50 13.30 210245.85+353336.0
21028+3534 SEI1376 AC 2012 4 272 11.4 9.50 13.30 D 210245.85+353336.0

If you need more information about this double, apply for a data request form to the WDS.