19568+3339 SEI 741A,BC

Coord 2000	19568+3339		Discov num	SEI 741		Comp	A,BC		Coord arcsec 2000	19 56 40.03 +33 42 45.1
Date first	1893		Date last	2015		Obs	12
Pa first	155		Pa last	154		P.A. Now (θ)	154°
Sep first	27.7		Sep last	27.2		Sep. Now (ρ)	27.2"
Mag pri	10.18		Mag sec	12.70		delta mag (ΔM)	2.52		Spectral class	A3 (white)
Pri motion ra	+004		Sec motion ra	-005
Pri motion dec	-011		Sec motion dec	-005
Notes

rPM=0.924 This double is not physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

19568+3339

SEI 741

A,BC

1893

2015

12

154

27.2

10.18

12.70

2.52

<===

Show

19568+3339

DAM 670

BC

1998

2015

2

141

5.1

12.70

Triple system
4 visible stars in this system

Precise pa	153.8		Precise sep	27.158		Constellation	Cygnus		Tycho2	2673-00421-1
Gaia DR2	16998617088		HD	226681

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19568+3339	SEI 741	A,BC	2002	3	154	27.2	10.18	12.70	A3		195640.03+334245.1
19568+3339	SEI 741	A,BC	2010	8	150	25.3	10.18	12.70	A3		195640.03+334245.1
19568+3339	SEI 741	A,BC	2015	12	154	27.2	10.18	12.70	A3		195640.03+334245.1

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