WDS 19126+1651 BU 139 AE

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19126+1651
BU 139 AE

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

WDS 19126+1651 BU 139 AE : NOTES

discov_num	notes	refcode
BU 139	AB: This object was misidentified as HD 179558 by McAlister et al.	McA1983
	V338 Sge, Algol-type eclipsing binary, P = 3.49784 d.	Zas2011
STTA177	AC: Optical pair, based on study of relative motion of the components
	using the method of apparent motion parameters.	Kiy2008
BU 139	AD/AE: Confusion in component designation, with the "D" component of
	the 29" AD pair not the same star as the "D" component of the 137" CD
	pair. The ADS identifies the two pairs as "Aa" and "CD", respectively.	A__1932a
	The IDS changes "Aa" to "AP" (due to the lack of lower-case letters	IDS1963
	available on the IDS's computer punch cards). However, some measures
	of the pair are also listed erroneously as an additional pair in this
	system, identified as "AD". The two pairs were later recognized as
	being the same, and were merged under the "AD" designation in the WDS.
	The designation for 29" pair has been changed to "AE". Our thanks to
	Steve Smith (2014, private comm.) for pointing out the discrepancy.

REFERENCES

refcode	metd	author	reference
A__1932a	Ma -	Aitken, R.G.	1932QB821.A43......
A__1932a		Aitken Double Star Catalogue, 1932
Kiy2008	-	Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S.	2008SvAL...32..405K
Kiy2008		SvAL 34, 405, 2008
McA1983	Sc j	McAlister, H.A., Hendry, E.M., Hartkopf, W.I., Campbell, B.G., & Fekel, F.C.	1983ApJS...51..309M
McA1983		ApJS 51, 309, 1983
Zas2011	-	Zasche, P.	...................
Zas2011		private communication, 2011

DISCOVERER

idgroup	discov	author
1	BU	Burnham, S.W. (BU 1 - 81)
179	STT	Struve, O.
216	WSI	Douglass, G.G., Hindsley, R.B., & Worley, C.E.
225	WSI	Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
225	WSI	Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
228	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
228	WSI	Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
229	WSI	Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
229	WSI	Hennessy, G.S., Platais, I., et al.
230	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
230	WSI	Hennessy, G.S., Rafferty, T.J., et al.
257	WSI	Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
257	WSI	C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
267	WSI	Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
267	WSI	M., Kilian, C.M. & Warner, R.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19126+1651	BU 139	AE	2013	10	101	28.7	7.11	11.19	B9IV	N	191234.45+165047.2
19126+1651	BU 139	AE	2015	11	101	28.8	7.11	11.19	B9IV	N	191234.45+165047.2

If you need more information about this double, apply for a data request form to the WDS.