WDS 15495+2528 STF 1977 AB (HD 141690)

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15495+2528
STF 1977 AB
HD 141690

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

WDS 15495+2528 STF 1977 AB (HD 141690) : NOTES

discov_num	notes	refcode
STF1977	Griffin & Duquennoy report that the primary is composed of a SpB1 plus	Grf1993
	a more distant companion. Thus the system is quadruple.

REFERENCES

refcode	metd	author	reference
Grf1993	not -	Griffin, R.F. & Duquennoy, A.	1993Obs...113..128G
Grf1993		Observatory 113, 128, 1993

DISCOVERER

idgroup	discov	author
1	STF	Struve, F.G.W.
34	WSI	Douglass, G.G., Hindsley, R.B., & Worley, C.E.
43	WSI	Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
43	WSI	Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
46	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
46	WSI	Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
47	WSI	Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
47	WSI	Hennessy, G.S., Platais, I., et al.
48	WSI	Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
48	WSI	Hennessy, G.S., Rafferty, T.J., et al.
75	WSI	Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
75	WSI	C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
85	WSI	Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
85	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
15495+2528	STF1977	AB	2000	21	356	13.9	8.76	10.95	G0IV	N D	154932.92+252736.7
15495+2528	STF1977	AB	2010	22	356	13.9	8.76	10.95	G0IV	N D	154932.92+252736.7
15495+2528	STF1977	AB	2015	25	356	13.9	8.76	10.95	G0IV	N	154932.92+252736.7
15495+2528	STF1977	AB	2019	30	356	13.9	8.76	10.95	G0IV	N	154932.92+252736.7

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