19587+4026 KOI 643AB

Coord 2000	19587+4026		Discov num	KOI 643		Comp	AB		Coord arcsec 2000	19 58 43.51 +40 25 42.3
Date first	2010		Date last	2015		Obs	2
Pa first	277		Pa last	279		P.A. Now (θ)	279°
Sep first	2.2		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	12.50		Mag sec	12.60		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	+008		Sec motion ra
Pri motion dec	+013		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

19587+4026

KOI 643

AB

2010

2015

2

279

2.2

12.50

12.60

0.10

<===

Show

19587+4026

KOI 643

AC

2010

2015

2

197

3.3

12.50

13.10

0.60

Triple system
3 visible stars in this system

Precise pa

279.2

Precise sep

2.215

Constellation

Cygnus

Gaia DR2

17608962944

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19587+4026	KOI 643	AB	2010	1	277	2.2	12.50	12.60		K	195843.51+402542.3
19587+4026	KOI 643	AB	2015	2	279	2.2	12.50	12.60		K	195843.51+402542.3

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