12426-2437 HJ 4542

 
 
12h 42m 34.41s -24 36' 49.9" P.A. 63 sep 37.9 mag 8.95,12.40 Sp A0V
 
 
Coord 2000
12426-2437
Discov num
HJ 4542
Comp
Coord arcsec 2000
12 42 34.41 -24 36 49.9
Date first
1836
Date last
2014
Obs
8
Pa first
61
Pa last
63
P.A. Now (θ)
63°
Sep first
30.0
Sep last
37.9
Sep. Now (ρ)
37.9"
Mag pri
8.95
Mag sec
12.40
delta mag (ΔM)
3.45
Spectral class
A0V (white)
Pri motion ra
-033
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62.6
Precise sep
37.9
Cdsa2 id
HJ 4542
Constellation
Hydra
SAO
181035
Tycho2
6688-00204-1
HD
110481
Ra deg
12.709558333333332
De deg
-24.613861111111113
last precise pa
62.6
last precise sep
37.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12426-2437 HJ 4542 1987 4 62 28.2 8.95 12.40 A0V 124234.41-243649.9
12426-2437 HJ 4542 1991 5 62 37.5 8.95 12.40 A0V 124234.41-243649.9
12426-2437 HJ 4542 2014 6 63 37.9 8.95 12.40 A0V 124234.41-243649.9

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