20074+3553 SEI 894AB

Coord 2000	20074+3553		Discov num	SEI 894		Comp	AB		Coord arcsec 2000	20 07 19.32 +35 53 14.8
Date first	1896		Date last	2015		Obs	12
Pa first	345		Pa last	344		P.A. Now (θ)	344°
Sep first	28.5		Sep last	29.1		Sep. Now (ρ)	29.1"
Mag pri	12.32		Mag sec	12.40		delta mag (ΔM)	0.08		Spectral class
Pri motion ra	-003		Sec motion ra	-004
Pri motion dec	-008		Sec motion dec	-002
Notes

rPM=0.712 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

20074+3553

SEI 894

AB

1896

2015

12

344

29.1

12.32

12.40

0.08

<===

Show

20074+3553

BKO 92

BC

1998

2015

8

45

14.4

12.40

14.40

2.00

Triple system
3 visible stars in this system

Precise pa	344.2		Precise sep	29.056		Constellation	Cygnus		SAO	69448
Tycho2	2683-03745-1		Gaia DR2	38215434752

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20074+3553	SEI 894	AB	2002	6	344	29.0	11.63	12.57		D	200719.32+355314.8
20074+3553	SEI 894	AB	2015	8	344	29.1	12.32	12.40			200719.32+355314.8

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