20202+3840 SLE1006AC

Coord 2000	20202+3840		Discov num	SLE1006		Comp	AC		Coord arcsec 2000	20 20 09.58 +38 39 32.3
Date first	1928		Date last	2015		Obs	11
Pa first	92		Pa last	90		P.A. Now (θ)	90°
Sep first	19.2		Sep last	18.7		Sep. Now (ρ)	18.7"
Mag pri	9.63		Mag sec	12.19		delta mag (ΔM)	2.56		Spectral class	O9.5IV (blue)
Pri motion ra	-005		Sec motion ra	-004
Pri motion dec	-005		Sec motion dec	-007
Notes

rPM=0.277 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 20 10 +38 39 32	SLE 1006 AB	2015	8	156	16.0	9.63	11.30	1.67
Show			20 20 10 +38 39 32	SLE 1006 AC	2015	11	90	18.7	9.63	12.19	2.56		<===

Triple system
3 visible stars in this system

Precise pa	90		Precise sep	18.66		Constellation	Cygnus		Tycho2	3152-01961-1
Gaia DR2	2061288572130879616		HD	228969

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20202+3840	SLE1006	AC	1998	5	90	19.0	9.63	12.19		D	202009.58+383932.3
20202+3840	SLE1006	AC	2002	6	90	18.6	9.63	12.19		D	202009.58+383932.3
20202+3840	SLE1006	AC	2015	7	90	18.7	9.63	12.19	O9.5IV		202009.58+383932.3

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