12383-1131 STF 1664 AC

12^h 38^m 19.95^s -11° 31' 01.1" P.A. 306.00 sep 60.7 mag 7.82,11.52 Sp K0 dist. 917.43 pc (2992.66 l.y.)

Coord 2000	12383-1131	Discov num	STF1664	Comp	AC	Coord arcsec 2000	12 38 19.95 -11 31 01.1
Date first	1906	Date last	2019	Obs	13
Pa first	307	Pa last	306.4	P.A. Now (θ)	306.4°
Sep first	62.8	Sep last	60.7	Sep. Now (ρ)	60.7"
Mag pri	7.82	Mag sec	11.52	delta mag (ΔM)	3.7	Spectral class	K0 (yellow-orange)
Pri motion ra	-032	Sec motion ra	-021
Pri motion dec	+016	Sec motion dec	+007
Notes	W

rPM=0.397

Nature of this double is uncertain.

12383-1131 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 109875	157411	12 38 20 -11 31 01	STF 1664 AB	2019	47	223	38.7	7.82	9.17	1.35
Show		157411	12 38 20 -11 31 01	STF 1664 AC	2019	13	306	60.7	7.82	11.52	3.70		<===
Show		157411	12 38 20 -11 31 01	STF 1664 AD	2019	9	291	83.8	7.82	12.43	4.61
Show		157411	12 38 20 -11 31 01	STF 1664 AE	2019	18	110	121.4	7.82	8.58	0.76
Show		157410	12 38 18 -11 31 27	STF 1664 BC	2019	12	341	68.1	9.17	11.52	2.35
Show		157410	12 38 18 -11 31 27	STF 1664 BD	2019	10	318	77.9	9.17	12.43	3.26
Show			12 38 17 -11 30 24	STF 1664 CD	2019	14	258	30.0	11.52	12.43	0.91
Show		157412	12 38 28 -11 31 42	STF 1664 EF	2019	14	112	92.7	8.58	8.91	0.33

Sextuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Virgo	SAO	157411	HIP	61656	Tycho2	5531-01266-1
Gaia DR2	3530193054064617472	HD	109875	BD	BD-10 3512	Distance	917.43
Distance ly	2992.66

WDS 12383-1131 STF 1664 AC : 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
12383-1131	STF1664	AC	2002	7	306	61.2	7.82	11.64	K0	N D	123819.95-113101.1
12383-1131	STF1664	AC	2015	9	307	61.0	7.82	11.52	K0		123819.95-113101.1
12383-1131	STF1664	AC	2018	10	307	61.1	7.82	11.52	K0		123819.95-113101.1
12383-1131	STF1664	AC	2019	13	306	60.7	7.82	11.52	K0	W	123819.95-113101.1

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WDS 12383-1131 STF 1664 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12383-1131 STF 1664 AC : MEASURES

No records found.

WDS 12383-1131 : VIRTUAL EYEPIECE

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WDS 12383-1131 : 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.