04251+8603 WFC 23

Coord 2000	04251+8603		Discov num	WFC  23		Comp			Coord arcsec 2000	04 25 02.87 +86 03 18.4
Date first	1899		Date last	2016		Obs	16
Pa first	0		Pa last	4.3		P.A. Now (θ)	4.3°
Sep first	8.2		Sep last	8.093		Sep. Now (ρ)	8.093"
Mag pri	9.87		Mag sec	10.80		delta mag (ΔM)	0.93		Spectral class	G0V (yellow)
Pri motion ra	-057		Sec motion ra	-056
Pri motion dec	+023		Sec motion dec	+025
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.036 (< 0.3, Physical double) This double is physical.

Constellation

Cepheus

Tycho2

4621-00689-1

Gaia DR2

574807709587862400

discov_num	notes	refcode
WFC 23	HJL 57.	HJL1986

refcode	metd	author	reference
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	WFC	Schlesinger, F. & Barney, I.
92	WFC	Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S.,
92	WFC	Zacharias, M.I., & Hall, D.M.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04251+8603	WFC 23		2000	6	5	8.1	9.87	10.80		DV	042502.87+860318.4
04251+8603	WFC 23		2011	7	6	8.1	9.87	10.80		NVD	042502.87+860318.4
04251+8603	WFC 23		2013	9	6	8.1	9.87	10.80	G0V	NV	042502.87+860318.4
04251+8603	WFC 23		2015	10	4	8.1	9.87	10.80	G0V	NV	042502.87+860318.4
04251+8603	WFC 23		2016	16	4	8.1	9.87	10.80	G0V	NV	042502.87+860318.4

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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

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show 04251+8603 WFC 23 4 8.1 1 Show 04169+8529 TDS2806 162 1.1 36 Show 04252+8510 LDS1590 329 42.1 53 Show 04279+8429 LDS1592 99 21.7 96 Show 04282+8348 HDS 574 66 0.4 135 Show 04085+8840 TDS2758 18 0.6 158 Show 04140+8216 LUH 7 342 215.5 229 Show 04432+8157 TDS2944 186 1.0 249 Show 04403+8135 UC 1201 42 50.2 270 Show 04218+8125 TDS2833 225 2.2 279 Show 04423+8103 LDS1596 222 4.8 301

	A
B	pa=0.3° sep=8.07"

Componente originario normalizzato	AB		Coord arcsec 2000	042502.87+860318.4		Mag	9.87		Spectral class	G0V (yellow)
PmRA	-57.00		PmDE	23.0		Tycho2	4621-00689-1

Tycho2	4621-00689-1		Pflag			RAmdeg	66.26196022		DEmdeg	86.05510611
PmRA	-55.9		PmDE	23.2		E RAmdeg	17		E DEmdeg	17
E pmRA	1.6		E pmDE	1.6		EpRAm	1990.17		EpDEm	1990.14
Num	5		Q RAmdeg	0.5		Q DEmdeg	0.3		Q pmRA	0.5
Q pmDE	0.3		BTmag	10.520		E BTmag	0.032		VTmag	9.872
E VTmag	0.026		Prox	80		TYC	T		HIP
CCDM			RAdeg	66.26382639		DEdeg	86.05505278		EpRA 1990	1.74
EpDE 1990	1.72		E RAdeg	17.1		E DEdeg	17.1		Posflg
Corr	0.1

Componente originario normalizzato	AB		Coord arcsec 2000	042502.91+860326.5		Mag	10.8		PmRA	-56.00
PmDE	25.0		Tycho2	4621-00689-2		Calc delta mag	0.93		Calc coord	yes

Tycho2	4621-00689-2		Pflag			RAmdeg	66.26425112		DEmdeg	86.05731066
PmRA	-57.6		PmDE	21.1		E RAmdeg	37		E DEmdeg	37
E pmRA	1.7		E pmDE	1.8		EpRAm	1984.58		EpDEm	1984.94
Num	5		Q RAmdeg	1.1		Q DEmdeg	0.5		Q pmRA	1.1
Q pmDE	0.4		BTmag	11.749		E BTmag	0.074		VTmag	10.803
E VTmag	0.054		Prox	80		TYC	T		HIP
CCDM			RAdeg	66.26618556		DEdeg	86.05726194		EpRA 1990	1.75
EpDE 1990	1.74		E RAdeg	39.4		E DEdeg	38.7		Posflg
Corr	0.0