19124+3021 GLP 16 AD

Coord 2000	19124+3021		Discov num	GLP  16		Comp	AD		Coord arcsec 2000	19 12 23.60 +30 20 51.9
Date first	1895		Date last	2015		Obs	13
Pa first	198		Pa last	196.9		P.A. Now (θ)	196.9°
Sep first	75.2		Sep last	74.303		Sep. Now (ρ)	74.303"
Mag pri	7.97		Mag sec	11.47		delta mag (ΔM)	3.5		Spectral class	B9IV (blue-white)
Pri motion ra	+001		Sec motion ra	+004
Pri motion dec	-004		Sec motion dec	+000
Notes

rPM=1.213 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 179709	67963	19 12 24 +30 20 52	STF 2483 AB	2020	47	317	10.0	7.97	9.09	1.12
Show		67963	19 12 24 +30 20 52	STF 2483 AC	2015	30	236	71.2	7.97	9.72	1.75
Show		67963	19 12 24 +30 20 52	GLP 16 AD	2015	13	197	74.3	7.97	11.47	3.50		<===
Show			19 12 23 +30 20 59	STF 2483 BC	2015	27	228	70.4	9.09	9.72	0.63
Show			19 12 23 +30 20 59	GLP 16 BD	2015	11	191	79.8	9.09	11.47	2.38
Show			19 12 19 +30 20 12	GLP 16 CD	2018	14	130	48.7	9.72	11.47	1.75

Quadruple system
4 estimated visually detectable stars in this system

Constellation	Lyra		SAO	67963		HIP	94363		Tycho2	2653-02258-1
Gaia DR2	2039449659850423040		HD	179709		BD	BD+30 3464		Distance	515.46
Distance ly	1681.43

No records found.

refcode	metd	author	reference
Glp1888	orb -	Glasenapp, S.	1888MNRAS..48..254G
Glp1888		MNRAS 48, 254, 1888
Glp1889	orb -	Glasenapp, S.	1889AN....123..185G
Glp1889		AN 123, 185, #2940, 1889
Glp1891	orb -	Glasenapp, S.	1891AJ.....11...41G
Glp1891		AJ 11, 41, 1891
Glp1891b	Ma -	Glasenapp, S.	1891AJ.....11....1G
Glp1891b		AJ 11, 1, 1891 (measures also in Glp1892f)
Glp1892a	orb -	Glasenapp, S.	1892AN....130..409G
Glp1892a		AN 130, 409, #3119, 1892
Glp1892b	orb -	Glasenapp, S.	1892AN....130..411G
Glp1892b		AN 130, 411, #3119, 1892
Glp1892c	orb -	Glasenapp, S.	1892AN....130..415G
Glp1892c		AN 130, 415, #3119, 1892
Glp1892d	orb -	Glasenapp, S.	1892MNRAS..52..546G
Glp1892d		MNRAS 52, 546, 1892
Glp1892e	orb -	Glasenapp, S.	1892MNRAS..52..548G
Glp1892e		MNRAS 52, 548, 1892
Glp1892f	Ma -	Glasenapp, S.	1892QB821.G54v1....
Glp1892f		Mesures d'Etoiles Doubles, v1, Imp. Acad. Sci. St. Petersburg, 1892
Glp1893a	orb -	Glasenapp, S.	1893AN....132....1G
Glp1893a		AN 132, 1, #3145, 1893
Glp1893b	orb -	Glasenapp, S.	1893AN....132....3G
Glp1893b		AN 132, 3, #3145, 1893
Glp1893c	orb -	Glasenapp, S.	1893AN....133..143G
Glp1893c		AN 133, 143, #3177, 1893
Glp1893d	orb -	Glasenapp, S.	1893AstAp..12..402G
Glp1893d		AstAp 12, 402, 1893
Glp1893e	orb -	Glasenapp, S.	1893AstAp..12..702G
Glp1893e		AstAp 12, 702, 1893
Glp1894a	Ma -	Glasenapp, S.	1892QB821.G54v2....
Glp1894a		Mesures d'Etoiles Doubles, v2, Imp. Acad. Sci. St. Petersburg, 1894
Glp1894b	orb -	Glasenapp, S.	1894AN....134....7G
Glp1894b		AN 134, 7, #3193, 1894
Glp1895	Ma -	Glasenapp, S.	1895QB821.G6.......
Glp1895		Mesures d'Etoiles Doubles, v3, Imp. Acad. Sci. St. Petersburg, 1895
Glp1896A	orb -	Glasenapp, S.	1896QB421.S5.......
Glp1896A		cited by See (Evolution of Stellar Systems, v1, 1896)
Glp1897	Ma -	Glasenapp, S.	.
Glp1897		Mesures d'Etoiles Doubles, v4, Imp. Acad. Sci. St. Petersburg, 1897
Glp1899	Ma -	Glasenapp, S.	.
Glp1899		Mesures d'Etoiles Doubles, v5, Imp. Acad. Sci. St. Petersburg, 1899
Glp1906A	Ma -	Glasenapp, S.	1906MmRAS..56....1L
Glp1906A		cited by Lewis (MemRAS 56, 1, 1906)
Glp1913A	Ma -	Glasenapp, S.	1913QB811.B8.......
Glp1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
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
19124+3021	GLP 16	AD	2006	7	197	74.1	7.97	11.47	B9IV	D	191223.60+302051.9
19124+3021	GLP 16	AD	2015	9	197	74.3	7.97	11.47	B9IV		191223.60+302051.9

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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