20135+3912 SEI1025AB

Coord 2000	20135+3912		Discov num	SEI1025		Comp	AB		Coord arcsec 2000	20 13 32.21 +39 11 59.1
Date first	1896		Date last	2015		Obs	16
Pa first	166		Pa last	168		P.A. Now (θ)	168°
Sep first	5.9		Sep last	5.7		Sep. Now (ρ)	5.7"
Mag pri	10.70		Mag sec	10.80		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-006		Sec motion ra	-008
Pri motion dec	-003		Sec motion dec	-010
Notes

rPM=0.568 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

20135+3912

SEI1025

AB

1896

2015

16

168

5.7

10.70

10.80

0.10

<===

Show

20135+3912

SEI1025

AC

1913

2015

10

256

26.6

11.00

13.15

2.15

Triple system
3 visible stars in this system

Precise pa

167.9

Precise sep

5.73

Constellation

Cygnus

Gaia DR2

76585776256

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20135+3912	SEI1025	AB	2006	6	345	6.1	11.00	11.00		D	201332.31+391153.6
20135+3912	SEI1025	AB	2013	8	168	5.8	10.70	10.80			201332.21+391159.1
20135+3912	SEI1025	AB	2015	12	168	5.7	10.70	10.80			201332.21+391159.1

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