19591+3831 SEI 766AC

Coord 2000	19591+3831		Discov num	SEI 766		Comp	AC		Coord arcsec 2000	19 59 04.34 +38 30 47.9
Date first	1896		Date last	2015		Obs	8
Pa first	232		Pa last	231		P.A. Now (θ)	231°
Sep first	27.5		Sep last	27.4		Sep. Now (ρ)	27.4"
Mag pri	9.55		Mag sec	12.20		delta mag (ΔM)	2.65		Spectral class	B5 (blue-white)
Pri motion ra	-004		Sec motion ra	-005
Pri motion dec	-009		Sec motion dec	-008
Notes

rPM=0.144 (< 0.3, Physical double) This double is physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

19591+3831

SEI 767

AB

1896

1896

1

328

3.2

9.55

11.60

2.05

Show

19591+3831

SEI 766

AC

1896

2015

8

231

27.4

9.55

12.20

2.65

<===

Triple system
3 visible stars in this system

Precise pa	231		Precise sep	27.448		Constellation	Cygnus		Tycho2	3137-02986-1
Gaia DR2	33340742400		HD	226949

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19591+3831	SEI 766	AC	1998	6	231	27.5	9.55	12.20		D	195904.34+383047.9
19591+3831	SEI 766	AC	2002	7	231	27.4	9.55	12.20		D	195904.34+383047.9
19591+3831	SEI 766	AC	2015	8	231	27.4	9.55	12.20	B5		195904.34+383047.9

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