You're not logged.

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Current system

20047+1751
SLE 680 AB

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20047+1751 SLE 680 AB

20^h 04^m 40.85^s +17° 51' 08.1" P.A. 309.00 sep 18.0 mag 11.68,11.71

Coord 2000	20047+1751	Discov num	SLE 680	Comp	AB	Coord arcsec 2000	20 04 40.85 +17 51 08.1
Date first	1904	Date last	2015	Obs	11
Pa first	300	Pa last	308.8	P.A. Now (θ)	308.8°
Sep first	20.1	Sep last	18	Sep. Now (ρ)	18"
Mag pri	11.68	Mag sec	11.71	delta mag (ΔM)	0.03	Spectral class
Pri motion ra	-003	Sec motion ra	+025
Pri motion dec	-015	Sec motion dec	-007
Notes

rPM=1.122

This double is not physical.

20047+1751 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 04 41 +17 51 08	SLE 680 AB	2015	11	309	18.0	11.68	11.71	0.03		<===
Show			20 04 41 +17 51 08	FYM 279 AC	2015	8	203	5.8	11.68	15.30	3.62

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Tycho2

1621-01778-1

Gaia DR2

1821822945420630016

WDS 20047+1751 SLE 680 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
FyM2013	C j	Fay, M.	2013OED....10...38F
FyM2013		El Observador de Estrellas Dobles, Issue #10, 38, 2013
FyM2013b	C j	Fay, M.	.
FyM2013b		Il Bollettino Delle Stelle Doppie 5, 10, 2013
FyM2013c	C j	Fay, M.	.
FyM2013c		Il Bollettino Delle Stelle Doppie 6, 40, 2013
FyM2013d	C j	Fay, M.	.
FyM2013d		Il Bollettino Delle Stelle Doppie 6, 46, 2013
FyM2014	C j	Fay, M.	.
FyM2014		Il Bollettino Delle Stelle Doppie 9, 36, 2014
FyM2014		(Italian translation on page 21 of the same publication)
FyM2014b	C -	Fay, M.	.
FyM2014b		private communication
FyM2014c	C j	Fay, M.	2014OED....13...19F
FyM2014c		El Observador de Estrellas Dobles, Issue #13, 19, 2014
FyM2015a	C j	Fay, M.	2015OED....14...48F
FyM2015a		El Observador de Estrellas Dobles, Issue #14, 48, 2015
FyM2015b	C j	Fay, M.	2015OED....15...48F
FyM2015b		El Observador de Estrellas Dobles, Issue #15, 48, 2015
FyM2016a	C -	Fay, M.	2016OED....16...94F
FyM2016a		El Observador de Estrellas Dobles, Issue #16, 94, 2016
FyM2016b	C j	Fay, M.	2016OED....16..132F
FyM2016b		El Observador de Estrellas Dobles, Issue #16, 132, 2016
FyM2016c	C j	Fay, M.	2016OED....17...14F
FyM2016c		El Observador de Estrellas Dobles, Issue #17, 14, 2016
FyM2017a	C -	Fay, M.	.
FyM2017a		Il Bollettino Delle Stelle Doppie 20, 51, 2017
FyM2017a		(Italian translation on page 29 of the same publication)
FyM2017b	C j	Fay, M.	2017OED....19...71F
FyM2017b		El Observador de Estrellas Dobles, Issue #19, 71, 2017
Sle1966	Mc j	Soulie, G.	1966JO.....49..359S
Sle1966	+Pa	J. Obs. 49, 359, 1966
Sle1983	Pa -	Soulie, G.	1983A&AS...54..281S
Sle1983		A&AS 54, 281, 1983
Sle1984	Pa -	Soulie, G.	1984A&AS...56..351S
Sle1984		A&AS 56, 351, 1984
Sle1985	Pa -	Soulie, G.	1985A&AS...61...17S
Sle1985		A&AS 61, 17, 1985
Sle1986a	Pa -	Soulie, G.	.
Sle1986a		Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b	Pa -	Soulie, G.	.
Sle1986b		Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003	C j	Soulie, G.	2003O&T....56...10S
Sle2003		Obs. et Travaux 56, 10, 2003
Sle2006	Pa -	Soulie, G.	2006O&T....62...26S
Sle2006		Obs. et Travaux 62, 26, 2006
Sle2006b	Pa j	Soulie, G.	2006O&T....63...15S
Sle2006b		Obs. et Travaux 63, 15, 2006
Sle2007	C j	Soulie, G.	2007O&T....65...34S
Sle2007		Obs. et Travaux 65, 34, 2007

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20047+1751	SLE 680	AB	2015	5	309	18.0	11.68	11.71			200440.85+175108.1

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

WDS 20047+1751 SLE 680 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20047+1751 SLE 680 AB : MEASURES

No records found.

WDS 20047+1751 : 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 20047+1751 : ALADIN DSS IMAGE @ 20^h 04^m 40.85^s +17° 51' 08.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20047+1751 SLE 680 AB : 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		20047+1751	SLE 680	AB	309	18.0
Show		20047+1751	FYM 279	AC	203	5.8
Show		20044+1742	BPM1971		74	114.0	10
Show		20039+1746	BPM1969		303	74.6	13
Show		20055+1743	SLE 682		287	11.1	14
Show		20042+1739	SLE 679		232	5.6	15
Show		20094+1806	DOO 81		256	9.6	22
Show		20046+1729	BPM1978		315	31.2	22
Show		20033+1736	BPM1962		177	88.6	25
Show		20064+1802	HJ 2931	AB	312	6.6	28
Show		20064+1802	DOO 80	AC	207	14.5	28
Show		20028+1747	BPM1953		322	42.0	28
Show		20051+1822	BPM1985		34	72.5	32
Show		20024+1744	BPM1948	BC	279	114.7	33
Show		20024+1744	BPM1947	AB	2	31.3	34
Show		20070+1803	BPM2003		189	114.3	35
Show		20057+1719	BPM1991		76	95.7	36
Show		20044+1715	COU 325	AB	225	0.8	37
Show		20044+1715	GII 28	AB,C	107	3.8	37
Show		20035+1715	TDT1941		165	1.1	41
Show		20017+1748	SLE 677		12	10.6	42
Show		20017+1746	BPM1935		28	66.0	43
Show		20076+1741	JEF 3		101	12.2	43
Show		20033+1830	STT 396		208	46.6	44
Show		20017+1759	BPM1934		272	84.8	44
Show		20032+1712	BPM1960		348	93.0	45
Show		20041+1704	BUP 202	CH	185	95.6	45
Show		20058+1709	BPM1996		153	72.3	45
Show		20078+1800	BPM2015		105	112.7	46
Show		20041+1704	ENG 69	BC	24	152.0	48
Show		20041+1704	STTA202	BG	230	181.4	48
Show		20041+1704	STT 592	AB	291	163.2	48
Show		20041+1704	STT 592	AC	335	217.0	48
Show		20041+1704	BUP 202	AD	3	89.1	48
Show		20041+1704	BUP 202	AE	51	175.0	48
Show		20041+1704	BUP 202	AF	315	142.4	48
Show		20041+1704	LIM 3	Aa,Ab	337	0.5	48
Show		20041+1704	SBN 1	Aa,Ac	95	7.1	48
Show		20041+1704	SMR 20	AI	129	132.1	48
Show		20041+1704	TNN 14	AJ	283	3.3	48
Show		20041+1704	TNN 14	AK	162	6.2	48
Show		20041+1704	TNN 14	AL	140	9.3	48
Show		20079+1805	TDT2008		108	1.2	48
Show		20040+1704	BPM1970		183	36.6	49
Show		20056+1838	COU 326		256	1.8	49
Show		20073+1718	BPM2008		19	91.1	50
Show		20041+1700	STF2622	AB	193	6.0	52
Show		20041+1700	STF2622	AC	304	17.1	52
Show		20041+1700	EGG 3	Ba,Bb	192	0.2	52
Show		20010+1751	BPM1925		344	92.7	54
Show		20080+1816	BPM2016		252	82.1	54

WDS 20047+1751 : COMPONENTS

	A	B
B	pa=310.2° sep=17.48"
C	pa=202.0° sep=5.76"	pa=146.0° sep=20.04"

20047+1751 A

Coord arcsec 2000	200440.85+175108.1		Mag	11.68		PmRA	-3.00		PmDE	-15.0
Tycho2	1621-01778-1

Tycho2

Tycho2	1621-01778-1	Pflag		RAmdeg	301.17021184	DEmdeg	17.85224147
PmRA	-8.7	PmDE	-17.2	E RAmdeg	119	E DEmdeg	130
E pmRA	3.0	E pmDE	3.1	EpRAm	1965.31	EpDEm	1960.17
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.903	E BTmag	0.325	VTmag	11.678
E VTmag	0.165	Prox	178	TYC		HIP
CCDM		RAdeg	301.17023333	DEdeg	17.85228222	EpRA 1990	1.59
EpDE 1990	1.47	E RAdeg	141.5	E DEdeg	162.3	Posflg
Corr	0.2

20047+1751 B

Coord arcsec 2000	200439.91+175119.4		Mag	11.71		PmRA	25.00		PmDE	-7.0
Tycho2	1621-01736-1		Calc delta mag	0.03		Calc coord	yes

Tycho2

Tycho2	1621-01736-1	Pflag		RAmdeg	301.16610427	DEmdeg	17.85516031
PmRA	27.4	PmDE	-12.0	E RAmdeg	70	E DEmdeg	78
E pmRA	1.7	E pmDE	1.8	EpRAm	1964.05	EpDEm	1954.66
Num	4	Q RAmdeg	0.4	Q DEmdeg	0.9	Q pmRA	0.4
Q pmDE	0.9	BTmag	12.090	E BTmag	0.161	VTmag	11.710
E VTmag	0.173	Prox	178	TYC		HIP
CCDM		RAdeg	301.16603667	DEdeg	17.85518917	EpRA 1990	1.61
EpDE 1990	1.45	E RAdeg	84.2	E DEdeg	102.1	Posflg
Corr	0.2

20047+1751 C

Coord arcsec 2000

200440.70+175102.8

Mag

15.3

Calc delta mag

3.62

Calc coord

yes