15120+3840 STF 1921 AB (HD 135076)

15^h 12^m 00.00^s +38° 40' 12.4" P.A. 283.00 sep 30.3 mag 8.56,8.74 Sp A2 dist. 169.49 pc (552.88 l.y.)

Coord 2000	15120+3840	Discov num	STF1921	Comp	AB	Coord arcsec 2000	15 12 00.00 +38 40 12.4
Date first	1797	Date last	2017	Obs	55
Pa first	270	Pa last	282.6	P.A. Now (θ)	282.6°
Sep first	29.0	Sep last	30.335	Sep. Now (ρ)	30.335"
Mag pri	8.56	Mag sec	8.74	delta mag (ΔM)	0.18	Spectral class	A2 (white)
Pri motion ra	+022	Sec motion ra	+021
Pri motion dec	-009	Sec motion dec	-009
Notes	N T W (See Notes, Parallax indicates physical, )

rPM=0.042 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 135076	Constellation	Bootes	SAO	64551	HIP	74378
Tycho2	3045-00902-1	HD	135076	GC	20448	BD	BD+39 2844
Distance	169.49	Distance ly	552.88

WDS 15120+3840 STF 1921 AB (HD 135076) : NOTES

discov_num	notes	refcode
STF1921	B is BD+39@2844.

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
15120+3840	STF1921	AB	2017	54	283	30.3	8.56	8.74	A2	NTW	151200.00+384012.4

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WDS 15120+3840 STF 1921 AB (HD 135076) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15120+3840 STF 1921 AB (HD 135076) : MEASURES

No records found.

WDS 15120+3840 (HD 135076) : VIRTUAL EYEPIECE

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WDS 15120+3840 (HD 135076) : 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.