01178+4901 STF 102AB

Coord 2000	01178+4901		Discov num	STF 102		Comp	AB		Coord arcsec 2000	01 17 47.96 +49 00 30.5
Date first	1833		Date last	2016		Obs	82
Pa first	308		Pa last	271		P.A. Now (θ)	271°
Sep first	0.6		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	7.31		Mag sec	9.18		delta mag (ΔM)	1.87		Spectral class	B9.5V (blue-white)
Pri motion ra	+021		Sec motion ra	+021
Pri motion dec	-012		Sec motion dec	-012
Notes	N (See Notes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		37087	01178+4901	STF 102	AB	1833	2016	82	271	0.5	7.31	9.18	1.87		<===
Show		37087	01178+4901	STF 102	AB,C	1832	2015	50	223	10.0	7.19	8.79	1.60
Show		37087	01178+4901	STF 102	AB,D	1832	2015	29	58	23.6	7.19	10.75	3.56
Show		37087	01178+4901	DOB 1	AB,E	1903	2014	10	7	111.7	7.19	10.15	2.96
Show		37087	01178+4901	STF 102	CD	1903	2015	13	54	33.5	8.79	10.75	1.96
Show		37087	01178+4901	DOB 1	CE	1903	2015	10	10	119.9	8.79	10.15	1.36
Show		37087	01178+4901	STF 102	DE	1903	2015	11	356	98.5	10.75	10.15	0.60
Show		37087	01178+4901	HJ 2033	EF	1832	2015	13	58	11.8	10.15	12.34	2.19

Sextuple system
7 visible stars in this system

Precise pa	270.8		Precise sep	0.472		Constellation	Andromeda		SAO	37087
HIP	6060		Tycho2	3272-00024-1		Gaia DR2	5677561216		HD	7710
BD	BD+48 392		Distance	384.62		Distance ly	1254.63

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01178+4901	STF 102	AB	2000	70	276	0.5	7.31	9.18	B9.5V	D	011747.96+490030.5
01178+4901	STF 102	AB	2004	73	274	0.5	7.31	9.18	B9.5V	D	011747.96+490030.5
01178+4901	STF 102	AB	2006	82	274	0.5	7.31	9.18	B9.5V	N	011747.96+490030.5
01178+4901	STF 102	AB	2016	82	271	0.5	7.31	9.18	B9.5V	N	011747.96+490030.5

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