00047+3416 STF3056AB,D

Coord 2000	00047+3416		Discov num	STF3056		Comp	AB,D		Coord arcsec 2000	00 04 40.09 +34 15 54.7
Date first	1894		Date last	2020		Obs	18
Pa first	238		Pa last	238		P.A. Now (θ)	238°
Sep first	96.0		Sep last	95.2		Sep. Now (ρ)	95.2"
Mag pri	7.13		Mag sec	10.61		delta mag (ΔM)	3.48		Spectral class	K0III+F9V (yellow-orange/yellow-white)
Pri motion ra	-017		Sec motion ra	-020
Pri motion dec	-029		Sec motion dec	-030
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.088 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		53617	00 04 40 +34 15 55	STF 3056 AB	2018	144	142	0.7	7.72	8.08	0.36	Y
Show		53617	00 04 40 +34 15 55	STF 3056 AB,C	2017	68	4	26.3	7.13	10.13	3.00
Show		53617	00 04 40 +34 15 55	STF 3056 AB,D	2020	18	238	95.2	7.13	10.61	3.48		<===
Show		53617	00 04 40 +34 15 55	FYM 148 AB,E	2012	3	92	108.0	7.13	14.51	7.38
Show		53617	00 04 40 +34 15 55	FYM 148 AB,F	2012	3	11	95.0	7.13	16.50	9.37
Show		53617	00 04 40 +34 16 20	STF 3056 CD	2015	16	227	113.1	10.13	10.61	0.48

Sextuple system
7 visible stars in this system

Precise pa	238		Precise sep	95.215		Constellation	Hydra		SAO	53617
HIP	374		Tycho2	2267-01744-1		HD	225220		BD	BD+33 4827
Distance	177.3		Distance ly	578.35

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00047+3416	STF3056	AB,D	2008	15	238	95.3	7.72	10.60		D	000440.09+341554.7
00047+3416	STF3056	AB,D	2012	17	238	95.3	7.13	10.61		D	000440.09+341554.7

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