WDS 12154+5702 JNN 240 AE

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

WDS 12154+5702 JNN 240 AE : NOTES

discov_num	notes	refcode
BLL 29	69 UMa = del UMa = Megrez. Smyth's quoted separation is difference in	Smy1844
	RA only.

REFERENCES

refcode	metd	author	reference
Smy1844	Ma -	Smyth, W.H.	1844QB43.S66.......
Smy1844		Cycle of Celestial Objects 2, 1844

DISCOVERER

idgroup	discov	author
1	BLL	Ball, R.S.
8	BUP	Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913)
8	JNN	Janson, M., Brandner, W., Henning, T., & Zinnecker, H.
9	JNN	Janson, M., Brandner, W., Lenzen, R., Close, L., Nielsen, E., Hartung, M.,
9	JNN	Henning, T., & Rouy, H.
10	JNN	Janson, M., Carson, J., Thalmann, C., McElwain, M.W., Goto, M., Crepp, J.,
10	JNN	Wisniewski, J., Abe, L., et al.
11	JNN	Janson, M., Bonavita, M., Klahr, H., Lafreniere, D., Jayawardhana, R.,
11	JNN	& Zinnecker, H.
12	JNN	Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S.,
12	JNN	Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T.
13	JNN	Janson, M., Jayawardhana, R., Girard, J.H., Lafreniere, D., Bonavita, M.,
13	JNN	Gizis, J., & Brandeker, A.
14	JNN	Janson, M., Lafreniere, D., Jayawardhana, R., Bonavita, M., Girard, J.H.,
14	JNN	Brandeker, A., & Gizis, J.E.
15	JNN	Janson, M., Brandt, T.D., Moro-Martin, A., Usuda, T., Thalmann, C., Carson, J.C.,
15	JNN	Goto, M., Currie, T., McElwain, M.W., Itoh, Y., Fukagawa, M., Crepp, J., et al.
16	JNN	Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F.,
16	JNN	Hippler, S., & Henning, T.
17	JNN	Janson, M., Bergfors, C., Brandner, W., Bonnefoy, M., Schlieder, J., Kohler, R.,
17	JNN	Hormuth, F., Henning, T., & Hippler, S.
19	JNN	Janson, M., Durkan, S., Hippler, S., Dai, X., Brandner, W., Schlieder, J.,
19	JNN	Bonnefoy, M., & Henning, T. Jnn201
20	JNN	Calissendorff, P., Janson, M., Kohler, R., Durkan, S., Hippler, S., Dai, X.,
20	JNN	Brandner, W., Schlieder, J., & Henning, T.
21	JNN	Janson, M., Durkan, S., Bonnefoy, M., Rodet, L., Kohler, R., Lacour, S., Brandner,
21	JNN	W., Henning, R. & Girard, J.
24	JNN	Calissendorff, P., Janson, M., Rodet, L., Bonnefoy, M., Brandner, W., Brown-Sevilla,
24	JNN	S., Chauvin, G., Delorme, P., Desidera, S., Durkan, S., Fontanive, C., Gratton, R.,
24	JNN	Hagelbe3rg, J., Henning, T., Hippler, S., Lagrange, A.-M., Langlois, M., Lazzoni, C.
24	JNN	Maire, A.-L., Messina, S., Meyer, M., Moller-Nsson, O., Rabus, M., Schlieder, J.,
24	JNN	Vigan, A., Wahhaj, Z., Wildi, F. & Zurlo, A.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12154+5702	JNN 240	AE	2011	2	169	5.7	3.31	19.30	A2Vn	N K	121525.45+570157.4

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