21315+0122 ITF  88

 
 
21h 31m 29.59s +01 22' 10.1" P.A. 29 sep 8.3 mag 10.50,16.80 Sp K1III+K2V
 
 
Coord 2000
21315+0122
Discov num
ITF  88
Comp
Coord arcsec 2000
21 31 29.59 +01 22 10.1
Date first
1954
Date last
2000
Obs
2
Pa first
31
Pa last
29
P.A. Now (θ)
29°
Sep first
8.3
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
10.50
Mag sec
16.80
delta mag (ΔM)
6.3
Spectral class
K1III+K2V (yellow-orange/yellow-orange)
Pri motion ra
+011
Sec motion ra
+011
Pri motion dec
-053
Sec motion dec
-054
Notes
V (Proper motion indicates physical)
rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29
Precise sep
8.25
Constellation
Aquarius
last precise pa
29
last precise sep
8.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21315+0122 ITF 88 1997 2 30 8.2 10.50 16.80 K1III+K2V V 213129.59+012210.1
21315+0122 ITF 88 2000 2 29 8.3 10.50 16.80 K1III+K2V V 213129.59+012210.1

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