16121+1433 STF 2017 (HD 145743)

Coord 2000	16121+1433		Discov num	STF2017		Comp			Coord arcsec 2000	16 12 08.39 +14 32 56.0
Date first	1831		Date last	2019		Obs	61
Pa first	250		Pa last	257.6		P.A. Now (θ)	257.6°
Sep first	25.0		Sep last	29.861		Sep. Now (ρ)	29.861"
Mag pri	8.60		Mag sec	9.13		delta mag (ΔM)	0.53		Spectral class	K2 (yellow-orange)
Pri motion ra	+013		Sec motion ra	-017
Pri motion dec	-022		Sec motion dec	-007
Notes	N L (See Notes, Linear solution)

rPM=1.313 This double is not physical.

Name	HD 145743		Constellation	Hercules		SAO	102001		HIP	79384
Tycho2	0957-00160-1		Gaia DR2	4464526561830105600		HD	145743		GC	21796
BD	BD+14 3011		Distance	236.97		Distance ly	773

discov_num	notes	refcode
STF2017	B is BD+14@3011.

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.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16121+1433	STF2017		2007	38	257	29.3	8.60	9.13	K2	NLD	161208.39+143256.0
16121+1433	STF2017		2008	39	257	29.4	8.60	9.13	K2	NLD	161208.39+143256.0
16121+1433	STF2017		2010	41	257	29.5	8.60	9.13	K2	NLD	161208.39+143256.0
16121+1433	STF2017		2014	43	257	29.5	8.60	9.13	K2	NL	161208.39+143256.0
16121+1433	STF2017		2017	45	257	29.7	8.60	9.13	K2	NL	161208.39+143256.0
16121+1433	STF2017		2019	61	258	29.9	8.60	9.13	K2	NL	161208.39+143256.0

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Show	date	username	difficulty	sep	sep_sigma	pa	pa_sigma	delta_mag	#	notes
Show	12/07/16	Robert		30.00	0.00	258.00	0.00		2

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