21124-1500 H 1  47

 
 
21h 12m 22.56s -15 00' 00.0" P.A. 309 sep 4.2 mag 8.25,8.31 Sp G3IV+G3V
 
 
Coord 2000
21124-1500
Discov num
H 1  47
Comp
Coord arcsec 2000
21 12 22.56 -15 00 00.0
Date first
1855
Date last
2017
Obs
94
Pa first
324
Pa last
309
P.A. Now (θ)
309°
Sep first
2.9
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
8.25
Mag sec
8.31
delta mag (ΔM)
0.06
Spectral class
G3IV+G3V (yellow/yellow)
Pri motion ra
+078
Sec motion ra
+050
Pri motion dec
-040
Sec motion dec
-022
Notes
N L (See Notes, Linear solution)
rPM=0.38
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.4
Precise sep
4.221
Cdsa2 id
H 1 47
Constellation
Capricornus
Ra deg
21.206266666666664
De deg
-15
last precise pa
309.4
last precise sep
4.221
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21124-1500 H 1 47 2008 86 310 4.0 8.25 8.31 G3IV G3V NOD 211222.56-150000.0
21124-1500 H 1 47 2009 88 309 4.2 8.25 8.31 G3IV G3V NOD 211222.56-150000.0
21124-1500 H 1 47 2010 89 309 3.9 8.25 8.31 G3IV G3V NCD 211222.56-150000.0
21124-1500 H 1 47 2012 91 309 4.2 8.25 8.31 G3IV G3V NCD 211222.56-150000.0
21124-1500 H 1 47 2017 94 309 4.2 8.25 8.31 G3IV+G3V NL 211222.56-150000.0

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