23581+2420 STF 3048 AB (HD 224459)

Coord 2000	23581+2420		Discov num	STF3048		Comp	AB		Coord arcsec 2000	23 58 03.87 +24 20 27.5
Date first	1825		Date last	2016		Obs	51
Pa first	315		Pa last	312.9		P.A. Now (θ)	312.9°
Sep first	9.4		Sep last	8.594		Sep. Now (ρ)	8.594"
Mag pri	7.94		Mag sec	10.17		delta mag (ΔM)	2.23		Spectral class	G5 (yellow)
Pri motion ra	-057		Sec motion ra	-052
Pri motion dec	-191		Sec motion dec	-197
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.038 (< 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	HD 224459	91616	23 58 04 +24 20 28	STF 3048 AB	2016	51	313	8.6	7.94	10.17	2.23		<===
Show		91616	23 58 04 +24 20 28	STF 3048 AC	2015	20	266	36.9	7.94	11.33	3.39
Show		91616	23 58 04 +24 20 28	LEP 118 AD	2014	8	144	618.8	7.94	11.65	3.71
Show		91616	23 58 04 +24 20 28	FYM 131 AF	2015	7	98	44.3	7.94	14.00	6.06
Show		91616	23 58 04 +24 20 28	FYM 131 AG	2014	6	118	81.2	7.94	13.50	5.56
Show			23 58 30 +24 12 04	GIC 197 DE	2016	13	257	13.3	11.65	14.20	2.55

Septuple system
7 estimated visually detectable stars in this system

Name	HD 224459		Constellation	Pegasus		SAO	91616		Tycho2	2252-00220-1
Gaia DR2	2851498198782159744		HD	224459		GC	33236		ADS	17131

discov_num	notes	refcode
STF3048	AB: NLTT 58582/58579	Chm2004
	AB: HJL 324.	HJL1986
GIC 197	DE: NLTT 58602/58601	Chm2004

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)
HJL1986	Pa -	Halbwachs, J.L.	1986A&AS...66..131H
HJL1986		A&AS 66, 131, 1986
HJL1986		(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986		only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)

idgroup	discov	author
1	FYM	Fay, M.
28	GIC	Giclas, H., Burnham, R. & Thomas, N.
33	LEP	Lepine, S., Wallace, D., Shara, M., Moffat, A., & Niemela, V.
46	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23581+2420	STF3048	AB	2003	40	312	8.9	7.94	10.17	G5	N DV	235803.87+242027.5
23581+2420	STF3048	AB	2008	41	314	8.5	7.94	10.17	G5	N DV	235803.87+242027.5
23581+2420	STF3048	AB	2012	44	314	8.6	7.94	10.17	G5	NVD	235803.87+242027.5
23581+2420	STF3048	AB	2015	45	313	8.6	7.94	10.17	G5	NV	235803.87+242027.5
23581+2420	STF3048	AB	2016	51	313	8.6	7.94	10.17	G5	NV	235803.87+242027.5

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS