20244+1935 STF2679AB

Coord 2000	20244+1935		Discov num	STF2679		Comp	AB		Coord arcsec 2000	20 24 22.59 +19 34 30.0
Date first	1830		Date last	2019		Obs	51
Pa first	80		Pa last	77		P.A. Now (θ)	77°
Sep first	21.9		Sep last	24.7		Sep. Now (ρ)	24.7"
Mag pri	7.88		Mag sec	9.69		delta mag (ΔM)	1.81		Spectral class	A2V (white)
Pri motion ra	-010		Sec motion ra	+005
Pri motion dec	-012		Sec motion dec	-006
Notes	Y (Parallax indicates components are non-physical)

rPM=1.034 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		106068	20 24 23 +19 34 30	STF 2679 AB	2019	51	77	24.7	7.88	9.69	1.81		<===
Show		106068	20 24 23 +19 34 30	STF 2679 AC	2017	17	150	38.6	7.88	11.56	3.68

Triple system
3 visible stars in this system

Precise pa	77		Precise sep	24.747		Constellation	Delphinus		SAO	106068
HIP	100638		Tycho2	1640-01633-1		Gaia DR2	1816277657286040192		HD	194318
BD	BD+19 4396		Distance	244.5		Distance ly	797.56

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20244+1935	STF2679	AB	2005	33	78	24.2	7.88	9.69	A2V	YD	202422.59+193430.0
20244+1935	STF2679	AB	2012	38	77	24.7	7.88	9.69	A2V	YD	202422.59+193430.0
20244+1935	STF2679	AB	2013	41	77	24.5	7.88	9.69	A2V	YD	202422.59+193430.0
20244+1935	STF2679	AB	2014	42	78	24.4	7.88	9.69	A2V	YD	202422.59+193430.0
20244+1935	STF2679	AB	2016	44	77	24.4	7.88	9.69	A2V	Y	202422.59+193430.0
20244+1935	STF2679	AB	2017	46	77	24.4	7.88	9.69	A2V	Y	202422.59+193430.0
20244+1935	STF2679	AB	2019	51	77	24.7	7.88	9.69	A2V	Y	202422.59+193430.0

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