19030+5135 STF 2451 (HD 234786)

19^h 02^m 58.14^s +51° 35' 22.1" P.A. 84.00 sep 1.9 mag 9.29,9.47 Sp F8 dist. 136.05 pc (443.8 l.y.)

Coord 2000	19030+5135	Discov num	STF2451	Comp		Coord arcsec 2000	19 02 58.14 +51 35 22.1
Date first	1831	Date last	2019	Obs	68
Pa first	58	Pa last	84.3	P.A. Now (θ)	84.3°
Sep first	2.6	Sep last	1.946	Sep. Now (ρ)	1.946"
Mag pri	9.29	Mag sec	9.47	delta mag (ΔM)	0.18	Spectral class	F8 (yellow-white)
Pri motion ra	-011	Sec motion ra	-011
Pri motion dec	+032	Sec motion dec	+032
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 234786	Constellation	Draco	SAO	31345	HIP	93530
Tycho2	3553-02027-1	Gaia DR2	2133826343492468608	HD	234786	GC	26228
BD	BD+51 2488	Distance	136.05	Distance ly	443.8

WDS 19030+5135 STF 2451 (HD 234786) : 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
19030+5135	STF2451		2005	50	82	2.0	9.29	9.47	F8	D	190258.14+513522.1
19030+5135	STF2451		2006	51	82	2.0	9.29	9.47	F8	D	190258.14+513522.1
19030+5135	STF2451		2010	53	83	2.0	9.29	9.47	F8	D	190258.14+513522.1
19030+5135	STF2451		2011	56	81	2.0	9.29	9.47	F8	D	190258.14+513522.1
19030+5135	STF2451		2015	54	84	2.0	9.29	9.47	F8		190258.14+513522.1
19030+5135	STF2451		2019	66	84	1.9	9.29	9.47	F8		190258.14+513522.1

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WDS 19030+5135 STF 2451 (HD 234786) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19030+5135 STF 2451 (HD 234786) : MEASURES

No records found.

WDS 19030+5135 (HD 234786) : VIRTUAL EYEPIECE

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WDS 19030+5135 (HD 234786) : 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.