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
Cdsa2 id
ITF 88
Constellation
Aquarius
Ra deg
21.524886111111112
De deg
1.3694722222222222
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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