00557+2428 ITF  27

 
 
00h 55m 42.78s +24 27' 54.4" sep 6.1 mag 14.20,15.40 Sp K1V+K4V
 
 
Coord 2000
00557+2428
Discov num
ITF  27
Comp
Coord arcsec 2000
00 55 42.78 +24 27 54.4
Date first
1953
Date last
2015
Obs
5
Pa first
359
Pa last
0
P.A. Now (θ)
Sep first
6.0
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
14.20
Mag sec
15.40
delta mag (ΔM)
1.2
Spectral class
K1V+K4V (yellow-orange/yellow-orange)
Pri motion ra
+023
Sec motion ra
+022
Pri motion dec
+016
Sec motion dec
+016
Notes
V (Proper motion indicates physical)
rPM=0.036 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.5
Precise sep
6.143
Constellation
Pisces
Tycho2
1739-00568-1
Gaia DR2
36069219968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00557+2428 ITF 27 1997 2 359 6.0 14.20 15.40 K1V+K4V V 005542.78+242754.4
00557+2428 ITF 27 2001 3 359 6.2 14.20 15.40 K1V+K4V V 005542.78+242754.4
00557+2428 ITF 27 2010 4 359 5.3 14.20 15.40 K1V+K4V V 005542.78+242754.4
00557+2428 ITF 27 2015 5 0 6.1 14.20 15.40 K1V+K4V V 005542.78+242754.4

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