20309+1126 LAU   4AB

Coord 2000	20309+1126		Discov num	LAU   4		Comp	AB		Coord arcsec 2000	20 30 53.76 +11 26 09.7
Date first	1907		Date last	2016		Obs	14
Pa first	278		Pa last	272		P.A. Now (θ)	272°
Sep first	25.5		Sep last	28.1		Sep. Now (ρ)	28.1"
Mag pri	10.00		Mag sec	11.26		delta mag (ΔM)	1.26		Spectral class	F5 (yellow-white)
Pri motion ra	+022		Sec motion ra	+002
Pri motion dec	+018		Sec motion dec	-001
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.97 This double is not physical.

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name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

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20309+1126

STJ 5

Aa,Ab

2015

2018

2

140

0.9

10.00

10.50

0.50

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20309+1126

LAU 4

AB

1907

2016

14

272

28.1

10.00

11.26

1.26

<===

Triple system
2 visible stars in this system

Precise pa

272.1

Precise sep

28.109

Constellation

Delphinus

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20309+1126	LAU 4	AB	2016	14	272	28.1	10.00	11.26	F5	N	203053.76+112609.7

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