00272+4959 STF  30AB

Coord 2000	00272+4959		Discov num	STF  30		Comp	AB		Coord arcsec 2000	00 27 12.45 +49 59 08.6
Date first	1828		Date last	2018		Obs	92
Pa first	293		Pa last	316		P.A. Now (θ)	316°
Sep first	20.0		Sep last	13.2		Sep. Now (ρ)	13.2"
Mag pri	6.96		Mag sec	8.92		delta mag (ΔM)	1.96		Spectral class	B9III (blue-white)
Pri motion ra	+004		Sec motion ra	+053
Pri motion dec	-002		Sec motion dec	-004
Notes	N L (See Notes, Linear solution)

rPM=0.923 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		36374	00 27 12 +49 59 09	STF 30 AB	2018	92	316	13.2	6.96	8.92	1.96		<===
Show		36374	00 27 12 +49 59 09	STF 30 AC	2015	3	98	63.9	6.96	12.13	5.17
Show		36374	00 27 12 +49 59 09	FLE 1 AD	2015	7	261	148.8	6.96	11.73	4.77
Show		36374	00 27 12 +49 59 09	STF 30 AE	2015	4	324	173.0	6.96	13.70	6.74

Quintuple system
5 visible stars in this system

Precise pa	315.7		Precise sep	13.224		Constellation	Cassiopeia		SAO	36374
HIP	2151		Tycho2	3256-00482-1		Gaia DR2	391636287948266112		HD	2301
BD	BD+49 91		Distance	248.14		Distance ly	809.43

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00272+4959	STF 30	AB	2007	75	313	13.6	6.96	8.92	B9III	NLD	002712.45+495908.6
00272+4959	STF 30	AB	2008	76	313	13.7	6.96	8.92	B9III	NLD	002712.45+495908.6
00272+4959	STF 30	AB	2010	81	314	13.4	6.96	8.92	B9III	NLD	002712.45+495908.6
00272+4959	STF 30	AB	2012	84	315	13.4	6.96	8.92	B9III	NLD	002712.45+495908.6
00272+4959	STF 30	AB	2014	86	314	13.2	6.96	8.92	B9III	NLD	002712.45+495908.6
00272+4959	STF 30	AB	2015	88	314	13.4	6.96	8.92	B9III	NL	002712.45+495908.6
00272+4959	STF 30	AB	2016	90	314	12.8	6.96	8.92	B9III	NL	002712.45+495908.6
00272+4959	STF 30	AB	2018	92	316	13.2	6.96	8.92	B9III	NL	002712.45+495908.6

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