21579+6101 EVS  45AC

 
 
21h 57m 51.93s +61 01' 07.9" P.A. 42 sep 18.1 mag 7.78,17.62 Sp G0 dist. 675.68 pc (2204.07 l.y.)
 
 
Coord 2000
21579+6101
Discov num
EVS  45
Comp
AC
Coord arcsec 2000
21 57 51.93 +61 01 07.9
Date first
1999
Date last
2011
Obs
2
Pa first
42
Pa last
42
P.A. Now (θ)
42°
Sep first
18.3
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
7.78
Mag sec
17.62
delta mag (ΔM)
9.84
Spectral class
G0 (yellow)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
21579+6101 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show IR Cep 21579+6101 MLR 17 AB 1968 1992 13 22 0.2 8.30 8.30 0.00
Show 21579+6101 EVS 45 AC 1999 2011 2 42 18.1 7.78 17.62 9.84 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42
Precise sep
18.1
Var name
IR Cep
Constellation
Cepheus
SAO
19765
HIP
108426
Tycho2
4262-01009-1
Gaia DR2
69026743936
HD
208960
BD
BD+60 2321
Distance
675.68
Distance ly
2204.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21579+6101 EVS 45 AC 2011 2 42 18.1 7.78 17.62 G0 NU 215751.93+610107.9

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