23278+4309 CHE 475 (HD 220950)

23^h 27^m 46.81^s +43° 09' 25.0" P.A. 86.00 sep 31.5 mag 8.16,10.54 Sp F0

Coord 2000	23278+4309	Discov num	CHE 475	Comp		Coord arcsec 2000	23 27 46.81 +43 09 25.0
Date first	1911	Date last	2015	Obs	11
Pa first	86	Pa last	85.9	P.A. Now (θ)	85.9°
Sep first	29.2	Sep last	31.462	Sep. Now (ρ)	31.462"
Mag pri	8.16	Mag sec	10.54	delta mag (ΔM)	2.38	Spectral class	F0 (yellow-white)
Pri motion ra	-030	Sec motion ra	-002
Pri motion dec	-017	Sec motion dec	-010
Notes

rPM=0.837

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 220950		Constellation	Andromeda		SAO	53048		Tycho2	3242-00682-1
Gaia DR2	1925036129123986176		HD	220950		DM	BD+42 4676

WDS 23278+4309 CHE 475 (HD 220950) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Che1908	Pa -	Chevalier, Stanislas	.
Che1908		Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909	Pa -	Chevalier, Stanislas	.
Che1909		Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910	Ma j	Chevalier, Stanislas & Tsang Ziang-seng	.
Che1910	+Pa	Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911	Ma -	Chevalier, Stanislas	.
Che1911	+Pa	Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925	Pa -	Chevalier, Stanislas	1925JO......8...65G
Che1925		J. Obs. 8, 65, 1925

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23278+4309	CHE 475		2006	4	86	31.2	8.16	10.54		D	232746.81+430925.0
23278+4309	CHE 475		2008	5	85	31.5	8.16	10.54		D	232746.81+430925.0
23278+4309	CHE 475		2010	7	86	31.4	8.16	10.54	F0		232746.81+430925.0
23278+4309	CHE 475		2015	8	86	31.5	8.16	10.54	F0		232746.81+430925.0

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WDS 23278+4309 CHE 475 (HD 220950) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23278+4309 CHE 475 (HD 220950) : MEASURES

No records found.

WDS 23278+4309 (HD 220950) : VIRTUAL EYEPIECE

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WDS 23278+4309 (HD 220950) : ALADIN DSS IMAGE @ 23^h 27^m 46.81^s +43° 09' 25.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23278+4309 CHE 475 (HD 220950) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		23278+4309	CHE 475		86	31.5
Show		23280+4309	BKO 688		194	9.7	3
Show		23276+4303	BKO 687	BC	143	7.0	7
Show		23276+4303	BKO 687	AB	80	11.5	7
Show		23283+4316	CHE 485		172	22.0	9
Show		23280+4301	CHE 481		281	15.6	10
Show		23270+4304	CHE 467	AB	66	16.7	10
Show		23270+4304	BKO 684	AC	218	15.7	10
Show		23272+4258	BKO 685		119	8.2	14
Show		23267+4317	CHE 465		313	30.3	15
Show		23263+4309	CHE 460	AB	262	25.5	16
Show		23263+4309	CHE 460	AC	350	22.2	16
Show		23263+4309	BKO 897	BD	212	3.5	17
Show		23264+4317	CHE 461	AB	329	16.3	18
Show		23264+4317	BKO 681	AC	286	9.8	18
Show		23294+4301	CHE 498		264	18.2	20
Show		23291+4324	A 109		312	0.9	21
Show		23276+4248	CHE 472		223	23.2	22
Show		23270+4248	TDT4040		333	0.7	23
Show		23282+4245	CHE 484		87	28.1	26
Show		23293+4329	TDT4062		246	0.5	26
Show		23278+4244	CHE 476		89	9.0	26
Show		23292+4247	TDT4061		130	1.0	28
Show		23293+4248	CHE 496		152	34.5	28
Show		23290+4245	CHE 494	AB	203	25.3	29
Show		23290+4245	CHE 494	AC	181	10.9	29
Show		23264+4245	CHE 462	AB	164	28.4	30
Show		23264+4245	BKO 682	BC	97	4.5	30
Show		23283+4238	CHE 486		319	33.3	32
Show		23267+4237	TDT4036		352	2.2	35
Show		23259+4241	CHE 457		121	17.2	36
Show		23265+4235	BKO 683	BC	267	13.8	37
Show		23265+4235	BKO 683	BD	315	11.3	37
Show		23265+4235	CHE 463	AB	323	41.9	38
Show		23260+4235	BKO 677		190	5.7	40
Show		23285+4230	CHE 488		26	34.3	41
Show		23289+4230	CHE 493		24	32.2	41
Show		23303+4239	CHE 502		17	12.0	42
Show		23259+4232	RSE9001	BD	308	35.1	42
Show		23259+4232	HJ 1877	AB	358	20.3	42
Show		23259+4232	HJ 1877	AC	243	49.4	42
Show		23259+4232	BKO 115	AD	326	50.5	42
Show		23259+4232	BKO 115	AE	30	41.8	42
Show		23241+4323	TOI1740		259	0.2	43
Show		23304+4238	CHE 503		353	25.4	43
Show		23276+4227	CHE 473		313	29.3	43
Show		23262+4230	BKO 679		82	3.0	44
Show		23246+4244	CHE 451		295	36.6	44
Show		23288+4227	CHE 490		17	31.6	44
Show		23280+4225	BU 1221		146	2.1	45
Show		23255+4347	COU1995		126	0.2	46

WDS 23278+4309 : COMPONENTS

	A
B	pa=84.4° sep=23.00"

23278+4309 A

Componente originario normalizzato	AB	Name	HD 220950	Coord arcsec 2000	232746.81+430925.0	Mag	8.16
Spectral class	F0 (yellow-white)	PmRA	-30.00	PmDE	-17.0	SAO	53048
Tycho2	3242-00682-1	HD	220950	DM	BD+42 4676

Tycho2

Tycho2	3242-00682-1	Pflag		RAmdeg	351.94503984	DEmdeg	43.15695509
PmRA	-30.5	PmDE	-17.0	E RAmdeg	5	E DEmdeg	5
E pmRA	1.1	E pmDE	1.1	EpRAm	1991.31	EpDEm	1991.39
Num	7	Q RAmdeg	1.2	Q DEmdeg	1.0	Q pmRA	1.3
Q pmDE	1.1	BTmag	8.806	E BTmag	0.016	VTmag	8.488
E VTmag	0.012	Prox	999	TYC	T	HIP
CCDM		RAdeg	351.94513694	DEdeg	43.15699444	EpRA 1990	1.65
EpDE 1990	1.72	E RAdeg	5.4	E DEdeg	5.4	Posflg
Corr	0.1

SAO

SAO	53048	DelFlag		RA1950		PmRA1950	-0.0013
DE1950		PmDE1950	0.008	Vmag	8.1	SpType	F0
Double code		Source	4	CatNum	2284	DM	BD+42 4676
DMcomp		BDsup		HD	220950	M HD	0
GC		RA1950rad	6.13208839	DE1950rad	0.74843144	PmRA2000	-0.0011
PmDE2000	0.003

23278+4309 B

Componente originario normalizzato	AB		Coord arcsec 2000	232748.90+430927.2		Mag	10.54		PmRA	-2.00
PmDE	-10.0		Calc delta mag	2.38		Calc coord	yes