20135+3912 SEI1025AC

Coord 2000	20135+3912		Discov num	SEI1025		Comp	AC		Coord arcsec 2000	20 13 32.21 +39 11 59.1
Date first	1913		Date last	2015		Obs	10
Pa first	253		Pa last	256		P.A. Now (θ)	256°
Sep first	24.0		Sep last	26.6		Sep. Now (ρ)	26.6"
Mag pri	11.00		Mag sec	13.15		delta mag (ΔM)	2.15		Spectral class
Pri motion ra	-006		Sec motion ra	-009
Pri motion dec	-003		Sec motion dec	+004
Notes

rPM=0.773 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

255.7

Precise sep

26.57

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	AC	1913	1	253	24.0	11.00	12.00			201332.31+391153.6
20135+3912	SEI1025	AC	1999	2	255	26.6	10.70	14.40			201332.21+391159.1
20135+3912	SEI1025	AC	2002	3	256	26.6	10.70	14.40			201332.21+391159.1
20135+3912	SEI1025	AC	2013	4	268	27.0	11.00	13.15			201332.21+391159.1
20135+3912	SEI1025	AC	2015	5	256	26.6	11.00	13.15			201332.21+391159.1

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