01187-0052 EGN   1Aa,Ab

 
 
01h 18m 41.10s -00 52' 03.2" P.A. 139.00 sep 1.0 mag 8.00,11.50 Sp K1V+K7V
 
 
Coord 2000
01187-0052
Discov num
EGN   1
Comp
Aa,Ab
Coord arcsec 2000
01 18 41.10 -00 52 03.2
Date first
2004
Date last
2005
Obs
3
Pa first
140
Pa last
139
P.A. Now (θ)
139°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
8.00
Mag sec
11.50
delta mag (ΔM)
3.5
Spectral class
K1V+K7V (yellow-orange/yellow-orange)
Pri motion ra
+430
Sec motion ra
Pri motion dec
-249
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star This double is physical.
 
 
01187-0052 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 129219 01187-0052 EGN 1 Aa,Ab 2004 2005 3 139 1.0 8.00 11.50 3.50 <===
Show 129219 01187-0052 HJ 5453 AB 1827 2015 23 208 27.9 8.00 11.94 3.94
Show 129219 01187-0052 HJ 5453 AC 1907 2015 5 16 253.8 8.00 13.60 5.60
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.3
Precise sep
1.038
Constellation
Cetus
SAO
129219
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01187-0052 EGN 1 Aa,Ab 2005 3 139 1.0 8.00   K1V K7V NVD 011840.85-005201.1

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