21078+3421 ABH 141AF

 
 
21h 07m 47.29s +34 21' 24.8" P.A. 92 sep 56.4 mag 10.22,14.10 Sp A7III
 
 
Coord 2000
21078+3421
Discov num
ABH 141
Comp
AF
Coord arcsec 2000
21 07 47.29 +34 21 24.8
Date first
1987
Date last
2015
Obs
4
Pa first
92
Pa last
92
P.A. Now (θ)
92°
Sep first
56.8
Sep last
56.4
Sep. Now (ρ)
56.4"
Mag pri
10.22
Mag sec
14.10
delta mag (ΔM)
3.88
Spectral class
A7III (white)
Pri motion ra
+008
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
-020
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=1.005
This double is not physical.
 
 
21078+3421 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21078+3421 ES 2313 AB 1927 2015 6 196 7.3 10.22 14.40 4.18
Show 21078+3421 HJ 1614 AC 1927 2015 9 257 12.3 10.22 11.30 1.08
Show 21078+3421 ABH 141 AD 1893 2015 12 42 84.7 10.22 8.73 1.49
Show 21078+3421 ABH 141 AE 1987 2015 5 140 22.5 10.22 13.88 3.66
Show 21078+3421 ABH 141 AF 1987 2015 4 92 56.4 10.22 14.10 3.88 <===
Show 21078+3421 ABH 141 AG 1987 2015 5 96 70.7 10.22 13.31 3.09
Show 21078+3421 ABH 141 AH 1987 2015 5 127 84.0 10.22 14.70 4.48
Show 21078+3421 ABH 141 AI 1987 2015 4 124 107.6 10.22 14.90 4.68
Show 21078+3421 ABH 141 AJ 1987 2015 5 222 62.0 10.22 13.90 3.68
Show 21078+3421 FYM 125 AK 1999 2015 4 232 74.3 10.22 15.00 4.78
Show 21078+3421 FYM 125 AL 1999 2015 4 195 61.0 10.22 15.70 5.48
Show 21078+3421 FYM 125 AM 1999 2015 4 259 67.3 10.22 14.50 4.28
Show 21078+3421 ABH 141 GF 2002 2015 3 293 15.2 13.31 14.10 0.79
Show 21078+3421 FYM 125 JK 1999 2012 3 260 14.0 13.90 15.00 1.10
13-fold system
13 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.7
Precise sep
56.363
Constellation
Cygnus
SAO
70952
Tycho2
2709-01154-1
Gaia DR2
42161658112
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21078+3421 ABH 141 AF 1987 1 92 56.8 10.22 14.10 A7III 210747.29+342124.8
21078+3421 ABH 141 AF 2002 2 92 56.5 10.22 14.10 A7III U 210747.29+342124.8
21078+3421 ABH 141 AF 2012 3 92 56.4 10.22 14.10 A7III U 210747.29+342124.8
21078+3421 ABH 141 AF 2015 4 92 56.4 10.22 14.10 A7III NU 210747.29+342124.8

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