discov_num |
notes |
refcode |
STF2909 |
A: zet 2 Aqr = 55 Aqr A |
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B: zet 1 Aqr = 55 Aqr B |
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AB: LDS4971. |
|
EBE 1 |
The close pair has been resolved by infrared speckle interferometry |
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(McCarthy 1983). Suspected variability of one of the components is |
Mcy1983 |
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unconfirmed. Aa,Ab also known as TOK 201. |
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See Baize & Petit (1989) catalog of doubles with variable component. |
Baz1989d |
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A perturbation of the AB orbit (period ~25y) was first noted by Strand |
Str1942 |
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(1942). The mass of the third star was subsequently estimated at 0.22 |
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Msun by Harrington (1968) and 0.4 Msun by Heintz (1984). Based on |
Hrr1968 |
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parallax observations, Franz (1958) associated this third star with |
Hei1984c |
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the B component, while Heintz favored the A component. Ebersberger & |
Fnz1958 |
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Weigelt (1979) found a close visual companion to the A component, |
Ebe1979 |
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while McCarthy et al. (1982) discovered a companion to B in the near |
Mcy1982b |
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infrared. Scardia et al (2010) find the astrometry of the McCarthy |
Sca2010c |
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companion to be in good agreement with predictions of the perturbation |
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orbit, so assume this orbit is associated with B. |
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H 2 7. |
MEv2010 |
refcode |
metd |
author |
reference |
Baz1989d |
- |
Baize, P. & Petit, M. |
1989A&AS...77..497B |
Baz1989d |
|
A&AS 77, 497, 1989 |
|
Ebe1979 |
S j |
Ebersberger, J. & Weigelt, G. |
. |
Ebe1979 |
|
ESO Messenger 18, 24, 1979 |
|
Fnz1958 |
orb - |
Franz, O.G. |
1958AJ.....63..329F |
Fnz1958 |
|
AJ 63, 329, 1958 |
|
Hei1984c |
orb - |
Heintz, W.D. |
1984ApJ...284..806H |
Hei1984c |
|
ApJ 284, 806, 1984 |
|
Hrr1968 |
orb - |
Harrington, R.S. |
1968AJ.....73..508H |
Hrr1968 |
|
AJ 73, 508, 1968 |
|
Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
Mcy1982b |
Si - |
McCarthy, D.W., Low, F. & Kleinman, S. |
1982BAAS...14..777M |
Mcy1982b |
|
BAAS 14, 777, 1982 |
|
Mcy1983 |
Si - |
McCarthy, D.W. |
1983nssl.conf..107M |
Mcy1983 |
+C |
IAU Colloq 76, 107, 1983 |
|
MEv2010 |
- |
MacEvoy, B. |
................... |
MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
Sca2010c |
S j |
Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., & Sala, M. |
2010AN....331..286S |
Sca2010c |
+orb |
AN 331, 286, 2010 |
|
Str1942 |
orb - |
Strand, K.A. |
1942AJ.....49..165S |
Str1942 |
|
AJ 49, 165, 1942 |
|