WDS 08246-0345 CHR 172 Aa,Ab (1 Hya) : NOTES
discov_num |
notes |
refcode |
CHR 172 |
Aa,Ab. Abt & Biggs (1972) note variable RV. |
AbH1972 |
|
Aa,Ab: Likely a spurious pair. Last measured 1988 and unresolved by |
|
|
SOAR on 3 occasions 2011–2013. |
Tok201 |
TOK 20 |
AB: GJ 306. AB has estimated period 23,000y; Close triple? |
Tok2006 |
|
AB: A is SB, P=1.563d. |
Tok2014d |
REFERENCES
refcode |
metd |
author |
reference |
AbH1972 |
- |
Abt. H.A. & Biggs, E.S. |
1972bsrv.book.....A |
AbH1972 |
|
Bibliography of Stellar Radial Velocities |
|
Tok2006 |
A j |
Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S. |
2006A&A...450..681T |
Tok2006 |
+E2 |
A&A 450, 681, 2006 |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
ALP |
Allen, P.R., Koerner, D.W., McElwain, M.W., Cruz, K.L., & Reid, I.N. |
4 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
08246-0345 |
CHR 172 |
Aa,Ab |
1988 |
1 |
186 |
0.2 |
5.61 |
|
F3V |
N |
082435.14-034504.2 |
08246-0345 |
CHR 172 |
Aa,Ab |
2004 |
2 |
71 |
0.1 |
5.61 |
|
F1V |
NX |
082435.14-034504.2 |
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