00310+2839 HAU   2AB

Coord 2000	00310+2839		Discov num	HAU   2		Comp	AB		Coord arcsec 2000	00 31 00.57 +28 42 10.5
Date first	1894		Date last	2016		Obs	12
Pa first	282		Pa last	279		P.A. Now (θ)	279°
Sep first	12.2		Sep last	12.4		Sep. Now (ρ)	12.4"
Mag pri	11.29		Mag sec	11.84		delta mag (ΔM)	0.55		Spectral class
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	-002		Sec motion dec	-003
Notes

rPM=0.236 (< 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

00310+2839

CTU 1

Aa,Ab

2003

2005

3

226

0.9

9.40

11.20

1.80

Show

00310+2839

HAU 2

AB

1894

2016

12

279

12.4

11.29

11.84

0.55

<===

Triple system
2 visible stars in this system

Precise pa	279.4		Precise sep	12.36		Constellation	Andromeda		SAO	74055
Tycho2	1737-01119-1		Gaia DR2	20589139072

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00310+2839	HAU 2	AB	2005	9	279	12.5	11.29	11.84		D	003100.57+284210.5
00310+2839	HAU 2	AB	2010	11	279	12.2	11.29	11.84			003100.57+284210.5
00310+2839	HAU 2	AB	2016	11	279	12.4	11.29	11.84			003100.57+284210.5

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