21477-2644 DEA  23

21h 47m 44.64s -26 44' 05.4" P.A. 23 sep 78.8 mag 11.98,13.42

Coord 2000
21477-2644
Discov num
DEA  23
Comp
Coord arcsec 2000
21 47 44.64 -26 44 05.4
Date first
1998
Date last
2010
Obs
3
Pa first
23
Pa last
23
P.A. Now (θ)
23°
Sep first
79.4
Sep last
78.8
Sep. Now (ρ)
78.8"
Mag pri
11.98
Mag sec
13.42
delta mag (ΔM)
1.44
Spectral class
Pri motion ra
-135
Sec motion ra
-130
Pri motion dec
-193
Sec motion dec
-216
Notes
V K (Proper motion indicates physical, K-band or other infrared magnitudes)


rPM=0.093 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
23
Precise sep
78.78
Constellation
Piscis Austrinus
last precise pa
23
last precise sep
78.78




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21477-2644 DEA 23 1998 1 23 79.4 11.98 13.42 V K 214744.64-264405.4
21477-2644 DEA 23 2010 3 23 78.8 11.98 13.42 V K 214744.64-264405.4

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