01129+3205 WAL  11AD

Coord 2000	01129+3205		Discov num	WAL  11		Comp	AD		Coord arcsec 2000	01 12 52.98 +32 04 31.7
Date first	1902		Date last	2014		Obs	10
Pa first	87		Pa last	91		P.A. Now (θ)	91°
Sep first	92.0		Sep last	90.7		Sep. Now (ρ)	90.7"
Mag pri	7.02		Mag sec	11.81		delta mag (ΔM)	4.79		Spectral class	A0V (white)
Pri motion ra	+013		Sec motion ra	+004
Pri motion dec	-009		Sec motion dec	-079
Notes	N (See Notes)

rPM=0.892 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54514	01 12 53 +32 04 32	STF 98 AB	2018	56	250	20.0	7.02	8.14	1.12
Show		54514	01 12 53 +32 04 32	WAL 11 AC	2014	10	35	85.0	7.02	11.90	4.88
Show		54514	01 12 53 +32 04 32	WAL 11 AD	2014	10	91	90.7	7.02	11.81	4.79		<===

Quadruple system
4 visible stars in this system

Precise pa	91.4		Precise sep	90.743		Constellation	Hydra		SAO	54514
HIP	5671		Tycho2	2295-01556-1		Gaia DR2	313645316845541376		HD	7215
BD	BD+31 197		Distance	131.58		Distance ly	429.21

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01129+3205	WAL 11	AD	1944	1	80	50.0	7.02	11.99	A0V	D	011252.98+320431.7
01129+3205	WAL 11	AD	1999	5	91	90.9	7.02	11.99	A0V	D	011252.98+320431.7
01129+3205	WAL 11	AD	2001	6	91	90.9	7.02	11.99	A0V	N D	011252.98+320431.7
01129+3205	WAL 11	AD	2012	7	92	90.8	7.02	11.99	A0V	N D	011252.98+320431.7
01129+3205	WAL 11	AD	2014	10	91	90.7	7.02	11.81	A0V	N	011252.98+320431.7

If you need more information about this double, apply for a data request form to the WDS.