13089+1240 ITF  40

 
 
13h 08m 55.57s +12 40' 16.9" P.A. 256 sep 3.8 mag 13.30,15.80 Sp K2V+M2V
 
 
Coord 2000
13089+1240
Discov num
ITF  40
Comp
Coord arcsec 2000
13 08 55.57 +12 40 16.9
Date first
1955
Date last
1998
Obs
2
Pa first
252
Pa last
256
P.A. Now (θ)
256°
Sep first
3.2
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
13.30
Mag sec
15.80
delta mag (ΔM)
2.5
Spectral class
K2V+M2V (yellow-orange/red)
Pri motion ra
-041
Sec motion ra
-037
Pri motion dec
-055
Sec motion dec
-055
Notes
V (Proper motion indicates physical)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.4
Precise sep
3.78
Constellation
Virgo
last precise pa
256.4
last precise sep
3.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13089+1240 ITF 40 1998 2 255 3.1 13.30 15.80 K2V+M2V V 130855.57+124016.9

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