20117+3745 SLE 958 AC

20^h 11^m 40.42^s +37° 45' 16.8" P.A. 6.00 sep 19.7 mag 11.80,12.30

Coord 2000	20117+3745	Discov num	SLE 958	Comp	AC	Coord arcsec 2000	20 11 40.42 +37 45 16.8
Date first	1929	Date last	2015	Obs	8
Pa first	3	Pa last	5.5	P.A. Now (θ)	5.5°
Sep first	19.8	Sep last	19.704	Sep. Now (ρ)	19.704"
Mag pri	11.80	Mag sec	12.30	delta mag (ΔM)	0.5	Spectral class
Pri motion ra	-001	Sec motion ra	-002
Pri motion dec	-004	Sec motion dec	-004
Notes

rPM=0.224 (< 0.3, Physical double)

This double is physical.

20117+3745 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 11 40 +37 45 17	SLE 958 AB	2015	7	322	17.9	11.80	12.30	0.50
Show			20 11 40 +37 45 17	SLE 958 AC	2015	8	6	19.7	11.80	12.30	0.50		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3151-01711-1

Gaia DR2

2060816194458072320

WDS 20117+3745 SLE 958 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
20117+3745	SLE 958	AC	1998	3	5	19.6	11.80	12.30		D	201140.42+374516.8
20117+3745	SLE 958	AC	2002	4	5	19.7	11.80	12.30		D	201140.42+374516.8
20117+3745	SLE 958	AC	2015	5	6	19.7	11.80	12.30			201140.42+374516.8

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

WDS 20117+3745 SLE 958 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20117+3745 SLE 958 AC : MEASURES

No records found.

WDS 20117+3745 : 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 20117+3745 : ALADIN DSS IMAGE @ 20^h 11^m 40.42^s +37° 45' 16.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20117+3745 SLE 958 AC : 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		20117+3745	SLE 958	AB	322	17.9
Show		20117+3745	SLE 958	AC	6	19.7
Show		20112+3752	SLE 953	AB	121	5.7	9
Show		20112+3752	SLE 953	AC	184	6.7	9
Show		20113+3736	ALI 658		14	8.7	10
Show		20118+3733	ES 2120		290	6.9	13
Show		20106+3751	SEI 949		134	10.4	15
Show		20113+3731	ALI 657		281	10.6	16
Show		20127+3735	SLE 963		73	5.4	17
Show		20103+3740	TDT2044		193	0.9	18
Show		20125+3759	TDT2086		104	2.2	18
Show		20119+3727	SLE 960		295	12.2	19
Show		20118+3726	SLE 959	AB	162	13.0	20
Show		20118+3726	SLE 959	AC	176	21.9	20
Show		20112+3726	ES 2187		342	3.3	21
Show		20124+3804	SEI1000		145	19.1	21
Show		20123+3723	SLE 961		334	7.4	24
Show		20115+3722	SEI 973		106	20.8	24
Show		20122+3810	SEI 998		104	3.9	25
Show		20135+3733	SLE 967		118	13.7	25
Show		20117+3720	SEI 982		63	19.6	26
Show		20101+3728	ES 2186		192	4.7	26
Show		20112+3718	SEI 965		220	20.5	29
Show		20125+3717	SEI1005		56	26.5	30
Show		20142+3750	SEI1034		59	26.1	31
Show		20141+3755	SEI1033		342	20.0	31
Show		20140+3726	SLE 969		245	9.1	34
Show		20108+3713	TOB 174	AB	263	25.1	35
Show		20108+3713	SLE 952	BC	91	6.8	35
Show		20108+3713	SLE 952	BD	353	12.2	35
Show		20106+3714	SEI 951	AB	63	12.0	35
Show		20106+3714	SEI 950	AC	37	16.0	35
Show		20103+3715	SEI 942		122	7.5	35
Show		20124+3711	SEI 999		270	24.8	36
Show		20112+3710	SEI 964		108	21.1	36
Show		20144+3801	SLE 971		228	18.9	36
Show		20121+3710	SEI 995		44	23.2	37
Show		20115+3823	SLE 956		236	9.9	38
Show		20114+3824	SLE 955		27	15.2	39
Show		20117+3706	SEI 980		185	23.8	39
Show		20132+3820	SLE 965		118	7.5	40
Show		20150+3743	SEI1043		341	21.1	40
Show		20140+3814	SLE 968		155	10.8	40
Show		20151+3742	COU2416		128	0.3	41
Show		20137+3713	SEI1026		87	19.5	41
Show		20122+3827	STT 401		69	12.8	42
Show		20150+3729	KPP2316		227	19.3	44
Show		20138+3710	TOB 181		16	15.0	44
Show		20107+3703	STT 399	AB	278	4.6	45
Show		20107+3703	WAL 129	AC	271	26.9	45
Show		20140+3710	SEI1029		232	7.2	45

WDS 20117+3745 : COMPONENTS

	A	B
B	pa=327.9° sep=16.60"
C	pa=4.4° sep=19.67"	pa=61.7° sep=11.70"

20117+3745 A

Coord arcsec 2000	201140.42+374516.8		Mag	11.8		PmRA	-1.00		PmDE	-4.0
Tycho2	3151-01711-1

Tycho2

Tycho2	3151-01711-1	Pflag		RAmdeg	302.91893360	DEmdeg	37.75495042
PmRA	7.0	PmDE	-8.7	E RAmdeg	38	E DEmdeg	37
E pmRA	5.7	E pmDE	5.1	EpRAm	1985.82	EpDEm	1986.07
Num	3	Q RAmdeg	1.8	Q DEmdeg	1.7	Q pmRA	1.8
Q pmDE	1.7	BTmag	13.336	E BTmag	0.346	VTmag	11.218
E VTmag	0.085	Prox	999	TYC		HIP
CCDM		RAdeg	302.91894778	DEdeg	37.75499222	EpRA 1990	1.58
EpDE 1990	1.66	E RAdeg	73.8	E DEdeg	65.6	Posflg
Corr	0.1

20117+3745 B

Coord arcsec 2000	201139.68+374530.9		Mag	12.3		PmRA	3.00		PmDE	3.0
Calc delta mag	0.5		Calc coord	yes

20117+3745 C

Coord arcsec 2000	201140.55+374536.4		Mag	12.3		PmRA	-2.00		PmDE	-4.0
Calc delta mag	0.5		Calc coord	yes