19407+2911 SLE 665AC

Coord 2000	19407+2911		Discov num	SLE 665		Comp	AC		Coord arcsec 2000	19 40 43.27 +29 11 07.3
Date first	1895		Date last	2015		Obs	7
Pa first	50		Pa last	50		P.A. Now (θ)	50°
Sep first	10.6		Sep last	11.2		Sep. Now (ρ)	11.2"
Mag pri	12.50		Mag sec	13.10		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	-008		Sec motion ra	-002
Pri motion dec	-012		Sec motion dec	-003
Notes

rPM=0.75 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

19407+2911

SLE 665

AB

1984

2015

5

283

7.1

12.50

12.60

0.10

Show

19407+2911

SLE 665

AC

1895

2015

7

50

11.2

12.50

13.10

0.60

<===

Triple system
3 visible stars in this system

Precise pa	49.6		Precise sep	11.191		Constellation	Cygnus		Tycho2	2151-05196-1
Gaia DR2	2031625363364243712

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19407+2911	SLE 665	AC	1984	3	51	11.2	10.92	11.00			194039.71+291039.2
19407+2911	SLE 665	AC	2010	4	49	11.3	12.50	13.10			194043.27+291107.3
19407+2911	SLE 665	AC	2015	7	50	11.2	12.50	13.10			194043.27+291107.3

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