18379-0023 STF 2347 (HD 172028)

18^h 37^m 56.63^s -00° 23' 09.1" P.A. 259.00 sep 3.4 mag 8.07,9.75 Sp B2V dist. 657.89 pc (2146.04 l.y.)

Coord 2000	18379-0023	Discov num	STF2347	Comp		Coord arcsec 2000	18 37 56.63 -00 23 09.1
Date first	1829	Date last	2001	Obs	34
Pa first	259	Pa last	259	P.A. Now (θ)	259°
Sep first	3.2	Sep last	3.35	Sep. Now (ρ)	3.35"
Mag pri	8.07	Mag sec	9.75	delta mag (ΔM)	1.68	Spectral class	B2V (blue-white)
Pri motion ra	+026	Sec motion ra	+001
Pri motion dec	-007	Sec motion dec	-009
Notes

rPM=0.931

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 172028	Constellation	Serpens	SAO	142454	HIP	91352
Tycho2	5113-00445-1	HD	172028	GC	25472	BD	BD-00 3523
Distance	657.89	Distance ly	2146.04

WDS 18379-0023 STF 2347 (HD 172028) : 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
18379-0023	STF2347		2001	32	259	3.4	8.07	9.75	B2V	D	183756.63-002309.1

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WDS 18379-0023 STF 2347 (HD 172028) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18379-0023 STF 2347 (HD 172028) : MEASURES

No records found.

WDS 18379-0023 (HD 172028) : 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 18379-0023 (HD 172028) : ALADIN DSS IMAGE @ 18^h 37^m 56.63^s -00° 23' 09.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18379-0023 STF 2347 (HD 172028) : 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		18379-0023	STF2347		259	3.4
Show		18387-0012	IPH 26		339	24.6	16
Show		18394-0009	KPP 903		134	7.5	27
Show		18361+0017	IPH 25		182	44.4	28
Show		18351+0003	RST5120		209	0.2	47
Show		18349-0043	RST5119		125	2.8	51
Show		18394+0111	BAL1503		245	3.7	53
Show		18409+0102	CON 36	AB	141	0.2	59
Show		18409+0102	CON 36	CD	281	2.2	59
Show		18418+0052	HJ 865		114	20.4	65
Show		18425-0016	CVR 213		89	75.6	69
Show		18424+0040	HDZ 2		110	11.8	70
Show		18333-0035	SKF2841		333	36.4	71
Show		18325+0036	RST5450		253	0.7	83
Show		18437-0014	A 858	AB	245	0.9	88
Show		18437-0014	AOT 74	AB,C	303	25.5	88
Show		18439-0013	A 859		10	0.3	90
Show		18395-0107	GWP2791		186	22.9	94
Show		18366-0114	CON 35	AB	32	2.8	99
Show		18366-0114	CON 35	AC	37	7.9	99
Show		18447-0100	HJ 5501		6	21.0	108
Show		18304+0043	HDO 314		217	6.0	115
Show		18388-0136	BAL 581		125	3.9	120
Show		18310+0123	STF2324	AB	148	2.4	121
Show		18310+0123	FOX 232	AC	238	37.3	121
Show		18299+0036	CON 33		303	9.5	122
Show		18462+0019	TDT1044		4	0.5	125
Show		18296+0034	SHC 8		123	7.1	126
Show		18296+0035	SKF2129		119	0.9	126
Show		18301+0112	HCH 11		323	6.2	129
Show		18300+0112	HCH 10		29	1.5	129
Show		18300+0111	STF2321		191	6.7	129
Show		18432-0120	AOT 73		325	11.7	130
Show		18300+0113	DCH 100	Aa,Ab	227	0.2	130
Show		18300+0113	HCH 9	AB	354	5.2	130
Show		18300+0113	DCH 98	AC	12	4.4	130
Show		18300+0113	DCH 100	Ba,Bb	109	2.5	130
Show		18300+0113	DCH 98	Ca,Cb	92	0.1	130
Show		18300+0114	DCH 99	Aa,Ab	284	0.3	131
Show		18300+0114	EIR 1	AB	10	1.6	131
Show		18299+0115	HCH 8		159	4.3	132
Show		18325-0120	RST5117		252	1.9	132
Show		18465-0058	MCA 53	Aa,Ab	95	0.0	133
Show		18465-0058	STF2379	AB	121	12.5	133
Show		18465-0058	STF2379	AC	155	21.8	133
Show		18465-0058	STF2379	BC	172	13.4	133
Show		18424+0218	BAL1969		279	21.4	133
Show		18360+0234	STN 43		28	10.1	135
Show		18290+0017	SHC 7		274	6.5	135
Show		18374+0238	BU 1327		174	13.6	135
Show		18289+0019	SHC 6		242	5.3	136

WDS 18379-0023 : COMPONENTS

	A
B	pa=259.0° sep=3.35"

18379-0023 A

Componente originario normalizzato	AB	Name	HD 172028	Coord arcsec 2000	183756.63-002309.1	Mag	8.07
Spectral class	B2V (blue-white)	PmRA	26.00	PmDE	-7.0	SAO	142454
HIP	91352	Tycho2	5113-00445-1	HD	172028	GC	25472
BD	BD-00 3523

Tycho2

Tycho2	5113-00445-1	Pflag		RAmdeg	279.48594104	DEmdeg	-0.38584832
PmRA	12.1	PmDE	-8.9	E RAmdeg	6	E DEmdeg	7
E pmRA	1.6	E pmDE	1.5	EpRAm	1991.79	EpDEm	1991.65
Num	3	Q RAmdeg	1.3	Q DEmdeg	0.9	Q pmRA	1.2
Q pmDE	0.9	BTmag	8.620	E BTmag	0.017	VTmag	8.070
E VTmag	0.013	Prox	33	TYC	T	HIP	91352
CCDM	A	RAdeg	279.48591389	DEdeg	-0.38582833	EpRA 1990	1.94
EpDE 1990	1.88	E RAdeg	5.5	E DEdeg	7.0	Posflg	D
Corr	-0.3

SAO

SAO	142454	DelFlag		RA1950		PmRA1950	0.0016
DE1950		PmDE1950	-0.019	Vmag	7.8	SpType	B5
Double code		Source	70	CatNum	25472	DM	BD-00 3523
DMcomp		BDsup		HD	172028	M HD	0
GC	25472	RA1950rad	4.86673736	DE1950rad	-0.00751035	PmRA2000	0.0018
PmDE2000	-0.019

Hipparcos

Catalog	H	HIP	91352	Proxy	H	RAhms	18 37 56.62
DEdms	-00 23 09.0	Vmag	7.8	VarFlag		R Vmag	H
RAdeg	279.486	DEdeg	-0.385827	AstroRef	A	Plx	1.02
CCDM	18379-0023	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	258	Rho	3.278	HD	172028	BD	BD-00 3523
CD		CP		Dm number	-00 3523	VIred	0.59
SpType	B2V	R SpType		Coord arcsec 2000	183756.62-002309.0

Hipparcos 2

HIP	91352	Sn	15	So	3	Nc	2
RArad	4.8779493724	DErad	-0.0067339611	Plx	1.52	PmRA	2.06
PmDE	-8.38	E RArad	0.99	E DErad	0.61	E Plx	0.95
E pmRA	0.98	E pmDE	0.87	Hpmag	7.9053	E Hpmag	0.0011
SHp	0.01	VA	0	BV	0.501	E BV	0.034
VI	0.57

CCDM

Ccdm	18379-0023	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.59	DDEs	-9.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.3	Sp	G5	PmNote	*
PmRA	4	PmDE	-11	Dm number	-00 3523	Cat1	BD
Name2	-00 2338	Cat2	AGK2/3	HD	172028	M HD	?
ADS BDS	A11515	M ADS BDS		N IDS		IDS	18328S0028A
HIC	91352

18379-0023 B

Componente originario normalizzato	AB		Coord arcsec 2000	183756.41+002308.5		Mag	9.75		PmRA	1.00
PmDE	-9.0		Calc delta mag	1.68		Calc coord	yes

CCDM

Ccdm	18379-0023	RComp		Comp	B	Note1
Note2		Discov num	STF2347	DRAs		DDEs
R dRAs		Year	1829	Theta	258	Rho	3.3
Obs	17	Vmag	10.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A11515	M ADS BDS		N IDS		IDS	18328S0028B
HIC	91352