01390+4104 STF 140AB

Coord 2000	01390+4104		Discov num	STF 140		Comp	AB		Coord arcsec 2000	01 39 02.08 +41 04 02.7
Date first	1833		Date last	2015		Obs	27
Pa first	172		Pa last	175		P.A. Now (θ)	175°
Sep first	3.4		Sep last	3.4		Sep. Now (ρ)	3.4"
Mag pri	9.28		Mag sec	10.01		delta mag (ΔM)	0.73		Spectral class	F2V (yellow-white)
Pri motion ra	+028		Sec motion ra	+029
Pri motion dec	-016		Sec motion dec	-017
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.042 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		37402	01390+4104	STF 140	AB	1833	2015	27	175	3.4	9.28	10.01	0.73		<===
Show		37402	01390+4104	STF 140	AC	1880	2010	8	323	195.5	9.28	10.05	0.77

Triple system
3 visible stars in this system

Precise pa	174.9		Precise sep	3.415		Constellation	Andromeda		SAO	37402
Tycho2	2818-02190-1		Gaia DR2	9667160576

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01390+4104	STF 140	AB	2001	22	174	3.4	9.28	10.01	F2V	D	013902.08+410402.7
01390+4104	STF 140	AB	2008	23	174	3.4	9.28	10.01	F2V	D	013902.08+410402.7
01390+4104	STF 140	AB	2012	25	174	3.4	9.28	10.01	F2V	D	013902.08+410402.7
01390+4104	STF 140	AB	2015	26	175	3.4	9.28	10.01	F2V		013902.08+410402.7

If you need more information about this double, apply for a data request form to the WDS.