WDS 07542-5834 HJ 4021 AB : NOTES
| discov_num |
notes |
refcode |
| HJ 4021 |
Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
REFERENCES
| refcode |
metd |
author |
reference |
| Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
| Kiy2008 |
|
SvAL 34, 405, 2008 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
DAM |
Damm, F. |
| 403 |
HJ |
Herschel, J.F.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 07542-5834 |
HJ 4021 |
AB |
2000 |
9 |
339 |
13.3 |
7.80 |
13.00 |
F7V |
NU |
075413.15-583428.2 |
| 07542-5834 |
HJ 4021 |
AB |
2010 |
10 |
344 |
13.7 |
7.87 |
13.00 |
F7V |
NU |
075413.15-583428.2 |
| 07542-5834 |
HJ 4021 |
AB |
2015 |
9 |
342 |
14.5 |
7.87 |
13.00 |
F7V |
NU |
075413.15-583428.2 |
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