21237-0630 ITF  36

 
 
21h 23m 43.41s -06 29' 33.9" P.A. 13 sep 7.3 mag 11.60,18.30 Sp G6V+M3V
 
 
Coord 2000
21237-0630
Discov num
ITF  36
Comp
Coord arcsec 2000
21 23 43.41 -06 29 33.9
Date first
1953
Date last
2015
Obs
4
Pa first
18
Pa last
13
P.A. Now (θ)
13°
Sep first
6.3
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
11.60
Mag sec
18.30
delta mag (ΔM)
6.7
Spectral class
G6V+M3V (yellow/red)
Pri motion ra
+054
Sec motion ra
+054
Pri motion dec
-021
Sec motion dec
-022
Notes
V (Proper motion indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.6
Precise sep
7.265
Constellation
Aquarius
Gaia DR2
67953692800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21237-0630 ITF 36 1998 2 18 6.3 11.60 18.30 G6V+M3V V 212343.41-062933.9
21237-0630 ITF 36 2015 4 13 7.3 11.60 18.30 G6V+M3V V 212343.41-062933.9

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