02308+5533 STF 270 AC

02^h 30^m 50.65^s +55° 32' 54.2" P.A. 333.00 sep 48.0 mag 7.00,11.37 Sp F4V dist. 54.7 pc (178.43 l.y.)

Coord 2000	02308+5533	Discov num	STF 270	Comp	AC	Coord arcsec 2000	02 30 50.65 +55 32 54.2
Date first	1902	Date last	2015	Obs	13
Pa first	339	Pa last	333.1	P.A. Now (θ)	333.1°
Sep first	35.5	Sep last	48.011	Sep. Now (ρ)	48.011"
Mag pri	7.00	Mag sec	11.37	delta mag (ΔM)	4.37	Spectral class	F4V (yellow-white)
Pri motion ra	+083	Sec motion ra	+000
Pri motion dec	-097	Sec motion dec	-012
Notes	N (See Notes)

rPM=0.931

This double is not physical.

02308+5533 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 15407	23389	02 30 51 +55 32 54	STF 270 AB	2016	45	305	21.3	7.00	9.66	2.66
Show		23389	02 30 51 +55 32 54	STF 270 AC	2015	13	333	48.0	7.00	11.37	4.37		<===
Show		23389	02 30 51 +55 32 54	STF 270 AD	2015	10	281	51.1	7.00	14.20	7.20
Show			02 30 49 +55 33 06	STF 270 BD	2015	7	265	32.8	9.66	14.20	4.54
Show			02 30 49 +55 33 06	RAO 42 BE	2015	7	208	16.0	9.66	14.70	5.04

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Perseus	SAO	23389	HIP	11696	Tycho2	3691-00669-1
Gaia DR2	457326850673147264	HD	15407	BD	BD+54 561	Distance	54.7
Distance ly	178.43

WDS 02308+5533 STF 270 AC : NOTES

discov_num	notes	refcode
STF 270	AB: HJL 38.	HJL1986
	Is there a wobble in the PA of AB?	Tok2014d

REFERENCES

refcode	metd	author	reference
HJL1986	Pa -	Halbwachs, J.L.	1986A&AS...66..131H
HJL1986		A&AS 66, 131, 1986
HJL1986		(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986		only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

DISCOVERER

idgroup	discov	author
1	RAO	Robo AO (Palomar 60" AO project or KPNO 2.1m)
1	RAO	Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,
1	RAO	Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
2	RAO	Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,
2	RAO	Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
2	RAO	Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
7	RAO	Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,
7	RAO	Schonhut, J., & Crepp, J.
8	RAO	Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,
8	RAO	Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
9	RAO	Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,
9	RAO	E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
10	RAO	Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. &
10	RAO	Stauffer, J.
12	RAO	Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,
12	RAO	Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M.
13	RAO	Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,
13	RAO	Mahadevan, S. & Pepper, J.
14	RAO	Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,
14	RAO	M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R.
15	RAO	Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,
15	RAO	R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
16	RAO	Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,
16	RAO	Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R.,
16	RAO	Winters, J.G. & Irwin, J.M.
19	RAO	Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,
19	RAO	Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law,
19	RAO	N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z.
20	RAO	Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,
20	RAO	T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H.
21	STF	Struve, F.G.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02308+5533	STF 270	AC	1999	8	334	46.2	7.00	11.37	F4V	D	023050.57+553255.1
02308+5533	STF 270	AC	2003	9	334	47.0	7.00	11.37	F4V	N D	023050.57+553255.1
02308+5533	STF 270	AC	2013	10	334	47.9	7.00	11.37	F4V	N	023050.57+553255.1
02308+5533	STF 270	AC	2015	11	333	48.0	7.00	11.37	F4V	N	023050.65+553254.2

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WDS 02308+5533 STF 270 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02308+5533 STF 270 AC : MEASURES

No records found.

WDS 02308+5533 : VIRTUAL EYEPIECE

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WDS 02308+5533 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.