20192+3235 KLT 21 BC

Coord 2000	20192+3235		Discov num	KLT  21		Comp	BC		Coord arcsec 2000	20 19 11.99 +32 34 50.5
Date first	2017		Date last	2017		Obs	1
Pa first	324		Pa last	324		P.A. Now (θ)	324°
Sep first	0.1		Sep last	0.055		Sep. Now (ρ)	0.055"
Mag pri	17.10		Mag sec	17.40		delta mag (ΔM)	0.3		Spectral class
Pri motion ra			Sec motion ra
Pri motion dec			Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 19 12 +32 34 52	KLT 21 AB	2017	1	185	1.3	10.10	17.10	7.00
Show			20 19 12 +32 34 52	KLT 21 AC	2017	1	187	1.2	10.10	17.40	7.30
Show			20 19 12 +32 34 50	KLT 21 BC	2017	1	324	0.1	17.10	17.40	0.30		<===

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Coordinate calcolate

1

Coordinate calculated

yes

discov_num	notes	refcode
KLT 21	A has a hot jupiter with P ~ 3.613d and a radius of 1.586(0.040) \rJup	KLT2018
	A properties: Teff = 7598 +/- 83 K, M = 2.458 +/- 0.029 \msun,
	R = 1.638 +/- 0.034 \rsun.
	Projected separation of AB, AC, BC = 523(62), 504(60), 22.9(7.1) au.
	Mass of B,C = 0.13(0.02), 0.11(0.01) \msun.

refcode	metd	author	reference
KLT2018	A j	Johnson, M.C., Rodriguez, J.E., Zhou, G. Gonzales, E.J., Cargile, P.A., Crepp,	2018AJ....155..100J
KLT2018		J.R., Penev, K., Stassun, K.G., Gaudi, B.S., Colon, K.D., Stevens, D.J.,
KLT2018		Strassmeier, K.G., et al.
KLT2018		AJ 155, 100, 2018

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20192+3235	KLT 21	BC	2017	1	324	0.1	17.10	17.40		N K

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS