20187+1551 CHE 297AB

Coord 2000	20187+1551		Discov num	CHE 297		Comp	AB		Coord arcsec 2000	20 18 44.52 +15 50 10.4
Date first	1910		Date last	2016		Obs	11
Pa first	353		Pa last	6		P.A. Now (θ)	6°
Sep first	29.4		Sep last	35.1		Sep. Now (ρ)	35.1"
Mag pri	11.30		Mag sec	11.50		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	-004		Sec motion ra	+220
Pri motion dec	-002		Sec motion dec	-071
Notes

rPM=1.014 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 18 45 +15 50 10	CHE 297 AB	2016	11	6	35.1	11.30	11.50	0.20		<===
Show			20 18 45 +15 50 10	CHE 298 AC	2019	13	318	16.9	11.30	12.30	1.00
Show			20 18 45 +15 50 46	CHE 298 BC	2016	9	214	27.0	11.50	12.30	0.80

Triple system
3 visible stars in this system

Precise pa

6.4

Precise sep

35.05

Constellation

Delphinus

Gaia DR2

1808402306476198144

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20187+1551	CHE 297	AB	2002	3	2	35.7	9.86	9.98			201843.72+155023.0
20187+1551	CHE 297	AB	2008	4	30	26.7	9.86	9.98			201843.72+155023.0
20187+1551	CHE 297	AB	2016	6	6	35.1	11.30	11.50			201844.52+155010.4

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