20073+6143 WAL 128AC

Coord 2000	20073+6143		Discov num	WAL 128		Comp	AC		Coord arcsec 2000	20 07 21.91 +61 42 46.2
Date first	1999		Date last	2015		Obs	7
Pa first	24		Pa last	22		P.A. Now (θ)	22°
Sep first	19.5		Sep last	19.0		Sep. Now (ρ)	19"
Mag pri	8.64		Mag sec	12.80		delta mag (ΔM)	4.16		Spectral class	K0 (yellow-orange)
Pri motion ra	+053		Sec motion ra	+002
Pri motion dec	+004		Sec motion dec	-001
Notes

rPM=0.964 This double is not physical.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

20073+6143

ES 1852

AB

1898

2016

16

157

6.4

8.64

9.60

0.96

Show

20073+6143

WAL 128

AC

1999

2015

7

22

19.0

8.64

12.80

4.16

<===

Triple system
3 visible stars in this system

Precise pa	21.6		Precise sep	18.973		Constellation	Cepheus		Tycho2	4232-02119-1
Gaia DR2	16959673600		HD	191607

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20073+6143	WAL 128	AC	1944	1	50	20.0	8.64	12.80	K0		200721.91+614246.2
20073+6143	WAL 128	AC	1999	2	24	19.5	8.64	12.80	K0		200721.91+614246.2
20073+6143	WAL 128	AC	2003	3	23	19.3	8.64	12.80	K0	D	200721.91+614246.2
20073+6143	WAL 128	AC	2015	4	22	19.0	8.64	12.80	K0		200721.91+614246.2

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