00272+4959 STF  30AC

Coord 2000	00272+4959		Discov num	STF  30		Comp	AC		Coord arcsec 2000	00 27 12.45 +49 59 08.6
Date first	1910		Date last	2015		Obs	3
Pa first	98		Pa last	98		P.A. Now (θ)	98°
Sep first	64.0		Sep last	63.9		Sep. Now (ρ)	63.9"
Mag pri	6.96		Mag sec	12.13		delta mag (ΔM)	5.17		Spectral class	B9.5V (blue-white)
Pri motion ra	+004		Sec motion ra	-003
Pri motion dec	-002		Sec motion dec	+000
Notes	N (See Notes)

rPM=1.628 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00272+4959	STF 30	AB	1828	2018	92	316	13.2	6.96	8.92	1.96
Show			00272+4959	STF 30	AC	1910	2015	3	98	63.9	6.96	12.13	5.17		<===
Show			00272+4959	FLE 1	AD	1905	2015	7	261	148.8	6.96	11.73	4.77
Show			00272+4959	STF 30	AE	1991	2015	4	324	173.0	6.96	13.70	6.74

Quintuple system
5 visible stars in this system

Precise pa	97.9		Precise sep	63.853		Constellation	Cassiopeia		SAO	36374
HIP	2151		Tycho2	3256-00482-1		Gaia DR2	7948266112		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	AC	1998	4	324	172.7	6.96	12.60		N D	002712.45+495908.6
00272+4959	STF 30	AC	2000	2	98	64.1	6.96	12.13	B9.5V	N	002712.45+495908.6
00272+4959	STF 30	AC	2002	5	324	173.1	6.96	12.60		N D	002712.45+495908.6
00272+4959	STF 30	AC	2015	4	98	63.9	6.96	12.13	B9.5V	N	002712.45+495908.6

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