19191-2018 I 647 (HD 180930)

19^h 19^m 06.66^s -20° 17' 45.9" P.A. 347.00 sep 1.6 mag 9.85,11.46 Sp A6/8III

Coord 2000	19191-2018	Discov num	I 647	Comp		Coord arcsec 2000	19 19 06.66 -20 17 45.9
Date first	1909	Date last	2016	Obs	8
Pa first	340	Pa last	347.3	P.A. Now (θ)	347.3°
Sep first	0.9	Sep last	1.604	Sep. Now (ρ)	1.604"
Mag pri	9.85	Mag sec	11.46	delta mag (ΔM)	1.61	Spectral class	A6/8III (white)
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	-002	Sec motion dec	-002
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 180930		Constellation	Sagittarius		Tycho2	6304-00563-1		Gaia DR2	4082964278602508672
HD	180930		ADS	12293

WDS 19191-2018 I 647 (HD 180930) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
I__1895	Ma -	Innes, R.T.A.	1895MNRAS..55..312I
I__1895	+Mb	MNRAS 55, 312,544, 1895
I__1896	Mb -	Innes, R.T.A.	1896JBAA....6..261I
I__1896		J. British Astron. Assoc. 6, 261, 1896
I__1897a	Ma -	Innes, R.T.A.	1897MNRAS..57..533I
I__1897a		MNRAS 57, 533, 1897 (data also in I__1897b,	1897AN....143..171I
I__1897a		I__1897c)	1897AN....144...89I
I__1897b	Ma -	Innes, R.T.A.	1897AN....143..171I
I__1897b		AN 143, 171, 1897
I__1897c	Ma -	Innes, R.T.A.	1897AN....144...89I
I__1897c		AN 144, 89, 1897
I__1897d	Ma -	Innes, R.T.A.	1897AN....145...93I
I__1897d		AN 145, 93, 1897
I__1897e	Ma -	Innes, R.T.A.	1897MNRAS..57..456I
I__1897e	+Mb	MNRAS 57, 456, 1897
I__1897f	Ma -	Innes, R.T.A.	1897MNRAS..58...48I
I__1897f		MNRAS 58, 48, 1897
I__1897g	Ma -	Innes, R.T.A.	1897AJ.....18...65I
I__1897g		AJ 18, 65, 1897
I__1898	Ma -	Innes, R.T.A.	1898AN....146..369I
I__1898		AN 146, 369, 1898
I__1899	Ma -	Innes, R.T.A.	1899QB4.C22v2......
I__1899		Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901	Ma -	Innes, R.T.A.	1901MNRAS..61..575.
I__1901		MNRAS 61, 575, 1901 (data also in I__1905)	1905AnCap...2....4I
I__1902a	Ma -	Innes, R.T.A.	1902MNRAS..62..470I
I__1902a		MNRAS 62, 470, 1902 (data also in I__1905)	1905AnCap...2....4I
I__1902b	Ma -	Innes, R.T.A.	1902MNRAS..63...76I
I__1902b		MNRAS 63, 76, 1902 (some data also in I__1905)	1905AnCap...2....4I
I__1903	-	Innes, R.T.A.	1903MNRAS..64..130I
I__1903		MNRAS 64, 130, 1903 (data also in I__1905)	1905AnCap...2....4I
I__1903b	Ma -	Innes, R.T.A.	1903Obs....26..285I
I__1903b		Obs 26, 285, 1903 (some data also in I__1905)	1905AnCap...2....4I
I__1905	Ma -	Innes, R.T.A.	1905AnCap...2....4I
I__1905		Ann. Cape Obs. 2, Pt.4, 1905
I__1907	Ma -	Innes, R.T.A.	1907Obs....30...61I
I__1907		Obs 30, 61, 1907
I__1908	-	Innes, R.T.A.	1908Obs....31..289I
I__1908		Obs 31, 289, 1908 (measures also in I__1909)
I__1909	Ma -	Innes, R.T.A.	.
I__1909		Transvaal Obs. Circ. 1, 1, 1909
I__1910	Ma -	Innes, R.T.A.	.
I__1910		Transvaal Obs. Circ. 1, 21, 1910
I__1911	Ma -	Innes, R.T.A.	.
I__1911		Transvaal Obs. Circ. 1, 61, 1911
I__1912	Ma -	Innes, R.T.A.	.
I__1912		Transvaal Obs. Circ. 1, 111, 1912
I__1913a	Ma -	Innes, R.T.A.	1913CiUO....4...31.
I__1913a		Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1913CiUO....4...31.
I__1913b		Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914	Ma -	Innes, R.T.A.	1914CiUO...14...97.
I__1914		Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a	Ma -	Innes, R.T.A.	1915CiUO...24..185.
I__1915a		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b	Ma -	Innes, R.T.A. (measure by Cox, G.W.)	1915CiUO...24..185.
I__1915b		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c	Ma -	Innes, R.T.A. (measure by Johnson, E.L.)	1915CiUO...24..185.
I__1915c		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1915CiUO...24..185.
I__1915d		Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e	-	Innes, R.T.A.	1915Obs....38..221I
I__1915e		Obs 38, 221, 1915 (measures also in I__1916)	1916CiUO...33..249I
I__1915f	-	Innes, R.T.A.	1915Obs....38..333I
I__1915f		Obs 38, 333, 1915 (measures also in I__1915)	1915CiUO...24..185I
I__1916a	Ma -	Innes, R.T.A.	1916CiUO...33..249I
I__1916a		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1916CiUO...33..249I
I__1916b		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c	Ma -	Innes, R.T.A. (measure by van der Spuy, K.)	1916CiUO...33..249I
I__1916c		Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a	Ma -	Innes, R.T.A.	1917CiUO...37..285I
I__1917a		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b	Ma -	Innes, R.T.A. (measure by Johnson, E.L.)	1917CiUO...37..285I
I__1917b		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c	Ma -	Innes, R.T.A. (measure by van der Spuy, K.)	1917CiUO...37..285I
I__1917c		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d	Ma -	Innes, R.T.A. (measure by Worssell, W.M.)	1917CiUO...37..285I
I__1917d		Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918	Ma -	Innes, R.T.A.	1918CiUO...41..339I
I__1918		Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a	Ma -	Innes, R.T.A.	1927sdsc.book.....I
I__1927a	+Po	Southern Double Star Cat. 1927
I__1927b	Ma -	Innes, R.T.A. & van den Bos, W.H.	1927sdsc.book.....I
I__1927b		Southern Double Star Cat. 1927
I__1932A	Ma -	Innes, R.T.A.	1932QB821.A43......
I__1932A		cited in ADS (Aitken Double Star Cat.), 1932
I__1948a	Ma -	Innes, R.T.A.	1948CiUO..106..193I
I__1948a	+Po	Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b	Ma -	Innes, R.T.A. (measure by Simpkins, R.P.)	1948CiUO..106..193I
I__1948b		Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999	Ma -	Innes, R.T.A.	...................
I__9999	+Mb	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
19191-2018	I 647		1991	7	345	1.6	9.85	11.46	A6/8III		191906.66-201745.9
19191-2018	I 647		2016	8	347	1.6	9.85	11.46	A6/8III		191906.66-201745.9

If you need more information about this double, apply for a data request form to the WDS.

WDS 19191-2018 I 647 (HD 180930) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19191-2018 I 647 (HD 180930) : MEASURES

No records found.

WDS 19191-2018 (HD 180930) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 19191-2018 (HD 180930) : ALADIN DSS IMAGE @ 19^h 19^m 06.66^s -20° 17' 45.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19191-2018 I 647 (HD 180930) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		19191-2018	I 647		347	1.6
Show		19193-2021	UC 3883		217	46.0	5
Show		19195-2015	ARA1179		10	16.8	7
Show		19204-2023	UC 3892		151	62.5	19
Show		19201-2036	BHA 29		184	6.4	23
Show		19179-2029	HJ 1378		62	7.9	24
Show		19209-2021	ARA1181		309	13.6	26
Show		19176-1958	ARA1177		343	8.4	29
Show		19202-1951	TDT1382		91	2.5	32
Show		19181-2049	ARA1178	AB	36	12.7	35
Show		19181-2049	ARA1178	AC	296	11.8	35
Show		19218-2023	ARA1183		286	8.1	39
Show		19216-2001	ARA1182		20	11.3	39
Show		19168-2047	HDS2727		153	0.4	44
Show		19169-2049	ARA1176		226	6.4	44
Show		19223-2006	ARA1184		353	9.2	48
Show		19155-2022	ARA1174		340	7.4	51
Show		19155-2004	ARA1173		215	5.4	54
Show		19179-1925	ARA 776		258	15.6	55
Show		19156-1955	ARA1175		15	12.5	56
Show		19222-1941	BRT1549		115	3.6	58
Show		19228-2046	OCC1081		-1	0.1	59
Show		19232-2010	HTS 9	AB	65	10.5	59
Show		19232-2010	HTS 9	AC	47	11.4	59
Show		19232-2010	HTS 9	AD	61	11.4	59
Show		19232-2010	HTS 9	AE	83	12.7	59
Show		19232-2010	HTS 9	AF	63	12.8	59
Show		19232-2010	HTS 9	AG	230	14.4	59
Show		19232-2010	HTS 9	AH	25	14.4	59
Show		19232-2010	HTS 9	AI	305	16.8	59
Show		19232-2010	HTS 9	AJ	318	20.0	59
Show		19232-2010	HTS 9	AK	277	20.5	59
Show		19232-2010	HTS 9	AL	168	20.6	59
Show		19232-2010	HTS 9	AM	52	24.3	59
Show		19232-2010	HTS 9	AN	229	25.6	59
Show		19232-2010	HTS 9	AO	286	24.1	59
Show		19224-1941	ARA 781		138	16.4	60
Show		19212-2111	ARA1566		143	16.0	62
Show		19198-1916	B 2476		230	1.7	63
Show		19168-1922	ARA 771		126	12.5	65
Show		19168-1921	MRA 25	AB	187	0.2	66
Show		19168-1921	HTS 12	AC	341	4.8	66
Show		19168-1921	HTS 12	AD	229	5.0	66
Show		19168-1921	HTS 12	AE	204	8.3	66
Show		19168-1921	HTS 12	AF	266	10.4	66
Show		19168-1921	HTS 12	AG	159	10.5	66
Show		19168-1921	HTS 12	AH	238	11.4	66
Show		19168-1921	HTS 12	AI	110	16.5	66
Show		19168-1921	HTS 12	AJ	315	16.5	66
Show		19168-1921	HTS 12	AK	118	16.9	66
Show		19168-1921	HTS 12	AL	134	17.1	66

WDS 19191-2018 : COMPONENTS

	A
B	pa=348.1° sep=1.60"

19191-2018 A

Componente originario normalizzato	AB	Name	HD 180930	Coord arcsec 2000	191906.66-201745.9	Mag	9.85
Spectral class	A6/8III (white)	PmRA	4.00	PmDE	-2.0	Tycho2	6304-00563-1
HD	180930	ADS	12293	DM	BD-20 5491

Tycho2

Tycho2	6304-00563-1	Pflag	P	RAmdeg	289.77776872	DEmdeg	-20.29607975
PmRA	4.4	PmDE	-2.2	E RAmdeg	19	E DEmdeg	26
E pmRA	3.4	E pmDE	3.5	EpRAm	1991.31	EpDEm	1990.99
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.4	Q pmRA	0.3
Q pmDE	0.4	BTmag	10.142	E BTmag	0.034	VTmag	9.850
E VTmag	0.038	Prox	16	TYC	T	HIP
CCDM		RAdeg	289.77777222	DEdeg	-20.29612250	EpRA 1990	1.76
EpDE 1990	1.79	E RAdeg	19.3	E DEdeg	25.9	Posflg	D
Corr	0.0

19191-2018 B

Componente originario normalizzato	AB		Coord arcsec 2000	191906.64-201744.3		Mag	11.46		PmRA	4.00
PmDE	-2.0		Tycho2	6304-00563-2		Calc delta mag	1.61		Calc coord	yes

Tycho2

Tycho2	6304-00563-2	Pflag	P	RAmdeg	289.77776872	DEmdeg	-20.29607975
PmRA	4.4	PmDE	-2.2	E RAmdeg	19	E DEmdeg	26
E pmRA	3.4	E pmDE	3.5	EpRAm	1991.31	EpDEm	1990.99
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.4	Q pmRA	0.3
Q pmDE	0.4	BTmag	11.778	E BTmag	0.114	VTmag	11.456
E VTmag	0.152	Prox	16	TYC		HIP
CCDM		RAdeg	289.77764583	DEdeg	-20.29569333	EpRA 1990	1.76
EpDE 1990	1.80	E RAdeg	123.3	E DEdeg	166.8	Posflg	D
Corr	0.0