23311+1847 STF 3020 (HD 221327)

23^h 31^m 05.15^s +18° 46' 44.2" P.A. 99.00 sep 2.3 mag 7.89,9.99 Sp A6IV dist. 97.75 pc (318.86 l.y.)

Coord 2000	23311+1847	Discov num	STF3020	Comp		Coord arcsec 2000	23 31 05.15 +18 46 44.2
Date first	1831	Date last	2016	Obs	42
Pa first	111	Pa last	98.7	P.A. Now (θ)	98.7°
Sep first	1.7	Sep last	2.304	Sep. Now (ρ)	2.304"
Mag pri	7.89	Mag sec	9.99	delta mag (ΔM)	2.1	Spectral class	A6IV (white)
Pri motion ra	-009	Sec motion ra
Pri motion dec	-008	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 221327	Constellation	Pegasus	SAO	108654	HIP	116065
Tycho2	1723-00108-1	Gaia DR2	2824400425478431104	HD	221327	GC	32697
ADS	16808	BD	BD+17 4931	Distance	97.75	Distance ly	318.86

WDS 23311+1847 STF 3020 (HD 221327) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23311+1847	STF3020		2001	37	100	2.2	7.89	9.99	A6IV	D	233105.15+184644.2
23311+1847	STF3020		2008	39	101	2.3	7.89	9.99	A6IV	D	233105.15+184644.2
23311+1847	STF3020		2009	40	101	2.3	7.89	9.99	A6IV	D	233105.15+184644.2
23311+1847	STF3020		2016	41	99	2.3	7.89	9.99	A6IV		233105.15+184644.2

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

WDS 23311+1847 STF 3020 (HD 221327) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 23311+1847 STF 3020 (HD 221327) : MEASURES

No records found.

WDS 23311+1847 (HD 221327) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 23311+1847 (HD 221327) : ALADIN DSS IMAGE @ 23^h 31^m 05.15^s +18° 46' 44.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 23311+1847 STF 3020 (HD 221327) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		23311+1847	STF3020		99	2.3
Show		23309+1845	COU2712		42	27.9	4
Show		23305+1914	TDT4074		56	2.4	29
Show		23311+1818	COU 339		83	2.1	29
Show		23324+1811	CVR 995		231	20.5	41
Show		23341+1814	BRT2515		163	3.9	54
Show		23347+1914	COU 341		119	0.8	58
Show		23322+1942	COU 340		55	0.3	58
Show		23353+1839	LDS5103		12	156.6	61
Show		23336+1749	LOS 1	AB	181	7.3	68
Show		23336+1749	HO 655	AC	244	36.4	68
Show		23337+1944	CVR 998		169	22.4	69
Show		23317+1956	WIR 1	AB	73	5.3	71
Show		23317+1956	LMP 24	AC	13	30.2	71
Show		23317+1956	LMP 24	AD	337	38.1	71
Show		23296+1738	BRT2514		314	5.3	72
Show		23289+1741	BPM2484		283	25.7	73
Show		23361+1827	YSC 229		345	0.0	74
Show		23294+1736	BRT2513		326	4.9	75
Show		23363+1902	BRT2516		228	4.1	77
Show		23278+1948	TDT4048		235	0.9	78
Show		23324+1724	STF3023		280	1.8	85
Show		23258+1804	KPP1077		125	8.6	86
Show		23374+1854	TDS1218		315	1.5	91
Show		23318+2016	UC 4975		315	27.5	91
Show		23289+1720	HJ 311	AB	286	26.6	92
Show		23289+1720	HJ 311	AC	230	147.6	92
Show		23335+1722	LDS5100		182	120.4	92
Show		23371+1918	J 625		257	2.9	92
Show		23263+1952	CLZ 90		181	31.2	95
Show		23307+1711	GWP3314		199	13.2	96
Show		23266+1735	GWP3300		320	111.4	96
Show		23265+1736	LDS5088		251	218.4	97
Show		23379+1824	KUI 117	AB	245	27.5	101
Show		23379+1824	DRS 31	Aa,Ab	169	0.9	101
Show		23245+1807	LDS5084		213	41.3	103
Show		23258+1736	NSN 12		326	6.4	104
Show		23269+2016	TDT4038		62	0.6	107
Show		23283+2028	KPP1191		55	9.3	109
Show		23305+2038	CVR 993		279	9.6	112
Show		23282+1701	J 166		351	4.8	112
Show		23231+1839	TDS1206		106	1.5	114
Show		23390+1911	GWP3338		82	13.9	116
Show		23228+1843	J 3193		212	7.2	119
Show		23369+2016	HJ 988		241	9.1	122
Show		23361+2027	TDT4118		3	0.6	123
Show		23231+1758	CVR 988		186	20.5	124
Show		23262+1700	JNN 138		296	0.2	128
Show		23386+1959	COU 342		31	0.9	130
Show		23260+1658	SLW1320		352	12.9	131
Show		23276+1638	STF3013	CD	277	3.2	139

WDS 23311+1847 : COMPONENTS

	A
B	pa=99.2° sep=2.18"

23311+1847 A

Componente originario normalizzato	AB	Name	HD 221327	Coord arcsec 2000	233105.15+184644.2	Mag	7.89
Spectral class	A6IV (white)	PmRA	-9.00	PmDE	-8.0	SAO	108654
HIP	116065	Tycho2	1723-00108-1	HD	221327	GC	32697
ADS	16808	BD	BD+17 4931

Tycho2

Tycho2	1723-00108-1	Pflag		RAmdeg	352.77145394	DEmdeg	18.77893775
PmRA	-9.4	PmDE	-7.6	E RAmdeg	5	E DEmdeg	5
E pmRA	1.1	E pmDE	1.0	EpRAm	1991.43	EpDEm	1991.38
Num	13	Q RAmdeg	1.6	Q DEmdeg	1.2	Q pmRA	1.6
Q pmDE	1.4	BTmag	8.066	E BTmag	0.015	VTmag	7.888
E VTmag	0.012	Prox	22	TYC	T	HIP	116065
CCDM	A	RAdeg	352.77147583	DEdeg	18.77895528	EpRA 1990	1.82
EpDE 1990	1.79	E RAdeg	4.7	E DEdeg	5.4	Posflg	D
Corr	-0.2

SAO

SAO	108654	DelFlag		RA1950		PmRA1950	-0.0009
DE1950		PmDE1950	-0.005	Vmag	7.4	SpType	A3
Double code		Source	70	CatNum	32697	DM	BD+17 4931
DMcomp		BDsup		HD	221327	M HD	0
GC	32697	RA1950rad	6.14605631	DE1950rad	0.3229401	PmRA2000	-0.0009
PmDE2000	-0.009

Hipparcos

Catalog	H	HIP	116065	Proxy	H	RAhms	23 31 05.15
DEdms	+18 46 44.2	Vmag	7.72	VarFlag		R Vmag	H
RAdeg	352.771	DEdeg	18.779	AstroRef	A	Plx	7.37
CCDM	23311+1847	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	101	Rho	2.233	HD	221327	BD	BD+17 4931
CD		CP		Dm number	+17 4931	VIred	0.67
SpType	A3	R SpType		Coord arcsec 2000	233105.15+184644.2

Hipparcos 2

HIP	116065	Sn	15	So	3	Nc	2
RArad	6.1570237789	DErad	0.3277545942	Plx	10.23	PmRA	-6.56
PmDE	-8.42	E RArad	0.83	E DErad	0.51	E Plx	0.91
E pmRA	0.94	E pmDE	0.58	Hpmag	7.779	E Hpmag	0.0016
SHp	0.015	VA	0	BV	0.217	E BV	0.015
VI	0.24

CCDM

Ccdm	23311+1847	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.89	DDEs	-16.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.6	Sp	A3	PmNote	*
PmRA	-20	PmDE	-9	Dm number	+17 4931	Cat1	BD
Name2	+18 2380	Cat2	AGK2/3	HD	221327	M HD
ADS BDS	A16808	M ADS BDS		N IDS		IDS	23261N1814A
HIC	116065

23311+1847 B

Componente originario normalizzato	AB		Coord arcsec 2000	233105.30+184643.9		Mag	9.99		Calc delta mag	2.1
Calc coord	yes

CCDM

Ccdm	23311+1847	RComp		Comp	B	Note1
Note2		Discov num	STF3020	DRAs		DDEs
R dRAs		Year	1955	Theta	104	Rho	2.0
Obs	22	Vmag	9.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A16808	M ADS BDS		N IDS		IDS	23261N1814B
HIC	116065