09122-0729 A  2972

 
 
09h 12m 10.90s -07 28' 46.8" P.A. 341 sep 4.4 mag 9.80,10.20
 
 
Coord 2000
09122-0729
Discov num
A  2972
Comp
Coord arcsec 2000
09 12 10.90 -07 28 46.8
Date first
1916
Date last
2017
Obs
11
Pa first
339
Pa last
341
P.A. Now (θ)
341°
Sep first
3.8
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
9.80
Mag sec
10.20
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-013
Sec motion ra
-062
Pri motion dec
-048
Sec motion dec
+090
Notes
rPM=1.34
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.6
Precise sep
4.363
Constellation
Hydra
Tycho2
4891-00093-1
last precise pa
340.6
last precise sep
4.363
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09122-0729 A 2972 2000 6 339 4.2 9.80 10.20 D 091210.90-072846.8
09122-0729 A 2972 2011 7 341 4.2 9.80 10.20 D 091210.90-072846.8
09122-0729 A 2972 2017 11 341 4.4 9.80 10.20 091210.90-072846.8

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