18222+1126 STF 2311 AC

Coord 2000	18222+1126		Discov num	STF2311		Comp	AC		Coord arcsec 2000	18 22 14.28 +11 26 00.7
Date first	1907		Date last	2015		Obs	19
Pa first	333		Pa last	333.4		P.A. Now (θ)	333.4°
Sep first	142.3		Sep last	146.25		Sep. Now (ρ)	146.25"
Mag pri	9.65		Mag sec	10.45		delta mag (ΔM)	0.8		Spectral class	K5 (yellow-orange)
Pri motion ra	-006		Sec motion ra	+006
Pri motion dec	-039		Sec motion dec	+003
Notes	Z (Parallax indicates components are physical)

rPM=1.107 This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 22 14 +11 26 01	STF 2311 AB	2018	63	84	3.0	9.65	10.79	1.14
Show			18 22 14 +11 26 01	STF 2311 AC	2015	19	333	146.3	9.65	10.45	0.80		<===
Show			18 22 14 +11 26 01	STF 2311 AD	2015	16	290	149.9	9.65	10.69	1.04

Quadruple system
4 estimated visually detectable stars in this system

Constellation	Ophiuchus		HIP	90027		Tycho2	1018-01894-1		Gaia DR2	4483837937390130048
BD	BD+11 3438		Distance	892.86		Distance ly	2912.51

No records found.

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
18222+1126	STF2311	AC	2004	11	334	146.2	9.65	10.45		ZD	182214.28+112600.7
18222+1126	STF2311	AC	2010	13	333	144.1	9.65	10.45		ZD	182214.28+112600.7
18222+1126	STF2311	AC	2012	15	333	146.1	9.65	10.45	K5	Z	182214.28+112600.7
18222+1126	STF2311	AC	2014	17	334	146.2	9.65	10.45	K5	Z	182214.28+112600.7
18222+1126	STF2311	AC	2015	18	333	146.3	9.65	10.45	K5	Z	182214.28+112600.7

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No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS