19414+4851 KOI 2813 AD

Coord 2000	19414+4851		Discov num	KOI2813		Comp	AD		Coord arcsec 2000	19 41 22.13 +48 51 22.1
Date first	2014		Date last	2014		Obs	1
Pa first	188		Pa last	187.8		P.A. Now (θ)	187.8°
Sep first	1.8		Sep last	1.828		Sep. Now (ρ)	1.828"
Mag pri	11.50		Mag sec	17.90		delta mag (ΔM)	6.4		Spectral class
Pri motion ra	-003		Sec motion ra
Pri motion dec	+003		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			19 41 22 +48 51 22	KOI 2813 AB	2014	3	261	1.1	13.59	14.80	1.21
Show			19 41 22 +48 51 22	KOI 2813 AC	2014	1	272	0.8	11.50	16.60	5.10
Show			19 41 22 +48 51 22	KOI 2813 AD	2014	1	188	1.8	11.50	17.90	6.40		<===

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2134740827931816704

discov_num	notes	refcode
KOI2813	This system hosts a 1.2 Rearth planet candidate with a 0.7 day period
	(Burke et al. 2014). We detected a companion 1.43 J mags and 1.82 Ks	KOI2014a
	mags fainter than KOI2813 at a separation of 1".04. The predicted Kp
	mag of the companion is Kp = 14.8 (dKp = 1.3). In the simple
	approximation in which all of the light from the companion star is
	captured in the Kepler aperture and the companion orbits the target
	star, then the estimated planet radius should be increased by 15% to
	correct for the extra light in the aperture. KOI2813 does not exhibit
	a significant source offset during transit.	Dre2014

refcode	metd	author	reference
Dre2014	A j	Dressing, C.D., Adams, E.R., Dupree, A.K., Kulesa, C., & McCarthy, D.	2014AJ....148...78D
Dre2014		AJ 148, 78, 2014 (additional info from Furlan et al. 2017)	2017AJ....153...71F
KOI2014a	not -	Burke, C.J., Bryson, S.T., Mullally, F., et al.	2014ApJS..210...19B
KOI2014a		ApJS 210, 19, 2014 (see Dressing et al. 2014)	2014AJ....148...78D

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19414+4851	KOI2813	AD	2014	1	188	1.8	11.50	17.90		K	194122.13+485122.1

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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