20188+1530 CHE 299AC

Coord 2000	20188+1530		Discov num	CHE 299		Comp	AC		Coord arcsec 2000	20 18 49.47 +15 29 55.3
Date first	1910		Date last	2019		Obs	11
Pa first	330		Pa last	329		P.A. Now (θ)	329°
Sep first	38.1		Sep last	37.6		Sep. Now (ρ)	37.6"
Mag pri	12.25		Mag sec	13.45		delta mag (ΔM)	1.2		Spectral class
Pri motion ra	+012		Sec motion ra	+005
Pri motion dec	+009		Sec motion dec	+002
Notes

rPM=0.66 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 18 49 +15 29 55	TOB 319 AB	2019	10	65	14.9	12.25	13.10	0.85
Show			20 18 49 +15 29 55	CHE 299 AC	2019	11	329	37.6	12.25	13.45	1.20		<===

Triple system
3 visible stars in this system

Precise pa	329.3		Precise sep	37.6		Constellation	Delphinus		Tycho2	1631-00689-1
Gaia DR2	1808375639020707328

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20188+1530	CHE 299	AC	1910	1	330	38.1	9.93	10.27			201849.41+152954.2
20188+1530	CHE 299	AC	2008	2	329	37.2	9.93	10.27			201849.41+152954.2
20188+1530	CHE 299	AC	2015	6	329	37.1	12.25	13.45			201849.47+152955.3
20188+1530	CHE 299	AC	2019	11	329	37.6	12.25	13.45			201849.47+152955.3

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