13257-2255 AHD9023

 
 
13h 25m 41.39s -22 54' 37.7" P.A. 109.00 sep 22.5 mag 10.40,12.79 Sp G5
 
 
Coord 2000
13257-2255
Discov num
AHD9023
Comp
Coord arcsec 2000
13 25 41.39 -22 54 37.7
Date first
1954
Date last
2016
Obs
11
Pa first
109
Pa last
109
P.A. Now (θ)
109°
Sep first
22.3
Sep last
22.5
Sep. Now (ρ)
22.5"
Mag pri
10.40
Mag sec
12.79
delta mag (ΔM)
2.39
Spectral class
G5 (yellow)
Pri motion ra
-027
Sec motion ra
-023
Pri motion dec
-007
Sec motion dec
-011
Notes
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.6
Precise sep
22.516
Constellation
Hydra
SAO
181641
Tycho2
6713-00684-1
Gaia DR2
6195863716052888960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13257-2255 AHD9023 2014 4 108 22.2 10.40 12.79 132541.39-225437.7
13257-2255 AHD9023 2015 9 109 22.5 10.40 12.79 G5 132541.39-225437.7

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