WDS 09144+0219 HJ 2489 AB (The Hya) : NOTES
discov_num |
notes |
refcode |
HJ 2489 |
the Hya = 22 Hya. A is a SB. |
|
|
AB: Optical pair, based on study of relative motion of the components |
|
|
using the method of apparent motion parameters. |
Kiy2008 |
|
AB: H 5 54. |
MEv2010 |
|
B and C optical. No earlier measures of D. |
B__1963b |
REFERENCES
refcode |
metd |
author |
reference |
B__1963b |
Ma j |
van den Bos, W.H. |
1963AJ.....68..582V |
B__1963b |
|
AJ 68, 582, 1963 |
|
Kiy2008 |
- |
Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. |
2008SvAL...32..405K |
Kiy2008 |
|
SvAL 34, 405, 2008 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
B |
van den Bos, W.H. |
212 |
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 |
09144+0219 |
HJ 2489 |
AB |
2000 |
20 |
234 |
20.7 |
3.85 |
9.90 |
B9.5V |
NLD |
091421.86+021851.3 |
09144+0219 |
HJ 2489 |
AB |
2008 |
21 |
241 |
20.3 |
3.85 |
9.90 |
B9.5V |
NLD |
091421.86+021851.3 |
09144+0219 |
HJ 2489 |
AB |
2011 |
22 |
243 |
20.4 |
3.85 |
9.90 |
B9.5V |
NLD |
091421.86+021851.3 |
09144+0219 |
HJ 2489 |
AB |
2013 |
23 |
247 |
20.0 |
3.85 |
9.90 |
B9.5V |
NLD |
091421.86+021851.3 |
09144+0219 |
HJ 2489 |
AB |
2019 |
25 |
248 |
20.9 |
3.85 |
9.90 |
B9.5V |
NL U |
091421.86+021851.3 |
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