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

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WDS 18379-0023 (HD 172028) : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.