01023+8153 KNT   1AB (Ups Cep)

 
 
01h 02m 18.34s +81 52' 32.1" P.A. 63 sep 13.9 mag 6.90,11.83 Sp B7V+G8III dist. 253.16 pc (825.81 l.y.)
 
 
Coord 2000
01023+8153
Discov num
KNT   1
Comp
AB
Coord arcsec 2000
01 02 18.34 +81 52 32.1
Date first
1881
Date last
2015
Obs
16
Pa first
62
Pa last
63
P.A. Now (θ)
63°
Sep first
13.8
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
6.90
Mag sec
11.83
delta mag (ΔM)
4.93
Spectral class
B7V+G8III (blue-white/yellow)
Pri motion ra
+025
Sec motion ra
+026
Pri motion dec
-005
Sec motion dec
-005
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
01023+8153 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Ups Cep 168 01023+8153 KNT 1 AB 1881 2015 16 63 13.9 6.90 11.83 4.93 <===
Show 168 01023+8153 KNT 1 AC 1881 2015 12 315 24.3 6.90 12.20 5.30
Show 01023+8153 KNT 1 BC 1975 2015 7 290 31.6 11.83 12.20 0.37
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.2
Precise sep
13.857
Name
Ups Cep
Var name
U Cep
Constellation
Cepheus
SAO
168
HIP
4843
Tycho2
4505-00519-1
HD
5679
GC
1202
BD
BD+81 25
Bayer
Upsilon Cephei
Bayer name
Ups Cep
Distance
253.16
Distance ly
825.81
last precise pa
63.2
last precise sep
13.857
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01023+8153 KNT 1 AB 2000 8 63 13.9 6.90 11.83 B7V N D 010218.34+815232.1
01023+8153 KNT 1 AB 2003 9 62 13.9 6.90 11.83 B7V N D 010218.34+815232.1
01023+8153 KNT 1 AB 2010 15 65 13.6 6.90 11.83 B7V+G8III NV 010218.34+815232.1
01023+8153 KNT 1 AB 2015 15 63 13.9 6.90 11.83 B7V+G8III NV 010218.34+815232.1

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