19164+1433 WAL 109 AC

19^h 16^m 26.78^s +14° 32' 40.6" P.A. 355.00 sep 60.4 mag 5.67,10.88 Sp B9.5V dist. 125.63 pc (409.81 l.y.)

Coord 2000	19164+1433	Discov num	WAL 109	Comp	AC	Coord arcsec 2000	19 16 26.78 +14 32 40.6
Date first	1944	Date last	2008	Obs	3
Pa first	280	Pa last	354.5	P.A. Now (θ)	354.5°
Sep first	60.0	Sep last	60.36	Sep. Now (ρ)	60.36"
Mag pri	5.67	Mag sec	10.88	delta mag (ΔM)	5.21	Spectral class	B9.5V (blue-white)
Pri motion ra	+010	Sec motion ra
Pri motion dec	+001	Sec motion dec
Notes

Nature of this double is uncertain.

19164+1433 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		104668	19 16 27 +14 32 41	CHR 85 Aa,Ab	2021	14	20	0.0	5.90	7.40	1.50	Y
Show	HD 180555	104668	19 16 27 +14 32 41	STF 2489 AB	2013	32	347	8.3	5.67	9.30	3.63
Show		104668	19 16 27 +14 32 41	WAL 109 AC	2008	3	355	60.4	5.67	10.88	5.21		<===

Quadruple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Aquila	SAO	104668	HIP	94720	Tycho2	1053-00804-1
Gaia DR2	4320279260621065472	HD	180555	HR	7307	ADS	12248
BD	BD+14 3852	Distance	125.63	Distance ly	409.81

WDS 19164+1433 WAL 109 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
CHR		Center for High Ang. Res. Astronomy (speckle interferometry systems)
CHR		(see papers by Hartkopf, Mason, McAlister, etc.)
CHR9999	Sc j	McAlister, H.A., Hartkopf, W.I., et al.	...................
CHR9999		Unpublished, manuscript or reference not found.
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.
Wal1934	Ma j	Wallenquist, A.	1934AnBos...6....3W
Wal1934		Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a	Zw -	Wallenquist, A.	1954MeUpp...85.....
Wal1944a		Medd. Uppsala Obs. #85, 1944
Wal1944a		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a		given for measures; default date = decade of publication added.)
Wal1944b	Zw -	Wallenquist, A.	1954MeUpp...87.....
Wal1944b		Medd. Uppsala Obs. #87, 1944
Wal1944b		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b		given for measures; default date = decade of publication added.)
Wal1947	Zw -	Wallenquist, A.	1947UppAn...2....2W
Wal1947		Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947		(A catalogue containing results of the two prior series, plus additional measures
Wal1947		with the 14-inch refractor and wedge photometer)
Wal1948	Zw -	Wallenquist, A.	1948UppAn...2....3W
Wal1948		Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948		(Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948		and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950	Zd -	Wallenquist, A.	1950MeUpp..103.....
Wal1950		Medd. Uppsala Obs. #103, 1950
Wal1954	Zw -	Wallenquist, A.	1954UppAn...4Q....W
Wal1954		Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954		("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954		values from numerous sources)
Wal1958	Zw -	Wallenquist, A.	1958MeUpp..118.....
Wal1958		Medd. Uppsala Obs. #118, 1958

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19164+1433	WAL 109	AC	2000	2	283	59.1	5.67	10.88		D	191626.78+143240.6
19164+1433	WAL 109	AC	2008	3	355	60.4	5.67	10.88		N D	191626.78+143240.6

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WDS 19164+1433 WAL 109 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19164+1433 WAL 109 AC : MEASURES

No records found.

WDS 19164+1433 : VIRTUAL EYEPIECE

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WDS 19164+1433 : 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.