20377+3322 STF2705AB

Coord 2000	20377+3322		Discov num	STF2705		Comp	AB		Coord arcsec 2000	20 37 44.32 +33 21 59.4
Date first	1828		Date last	2019		Obs	76
Pa first	263		Pa last	264		P.A. Now (θ)	264°
Sep first	2.5		Sep last	3.1		Sep. Now (ρ)	3.1"
Mag pri	7.48		Mag sec	8.54		delta mag (ΔM)	1.06		Spectral class	K0IIb (yellow-orange)
Pri motion ra	+004		Sec motion ra	+004
Pri motion dec	-005		Sec motion dec	-005
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		70300	20377+3322	STF2705	AB	1828	2019	76	264	3.1	7.48	8.54	1.06		<===
Show		70300	20377+3322	STF2705	AC	1880	2015	9	341	183.4	7.48	12.59	5.11
Show		70300	20377+3322	STF2705	AD	1953	2015	4	3	54.5	7.48	12.93	5.45
Show		70300	20377+3322	STF2705	AE	1930	2015	7	42	74.2	7.48	12.42	4.94

Quintuple system
5 visible stars in this system

Precise pa	263.5		Precise sep	3.11		Constellation	Cygnus		SAO	70300
HIP	101788		Tycho2	2690-01643-1		Gaia DR2	11531587840		HD	196673
BD	BD+32 3883		Distance	595.24		Distance ly	1941.67

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20377+3322	STF2705	AB	2008	80	262	3.0	7.48	8.54		N	203744.32+332159.4
20377+3322	STF2705	AB	2009	83	261	3.4	7.48	8.54		N	203744.32+332159.4
20377+3322	STF2705	AB	2012	85	262	3.1	7.48	8.54		N	203744.32+332159.4
20377+3322	STF2705	AB	2014	73	261	3.2	7.48	8.54	K0IIb	N	203744.32+332159.4
20377+3322	STF2705	AB	2015	74	262	3.1	7.48	8.54	K0IIb	N	203744.32+332159.4
20377+3322	STF2705	AB	2019	76	264	3.1	7.48	8.54	K0IIb	N	203744.32+332159.4

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