20308+3619 TDS 1078

20^h 30^m 45.62^s +36° 18' 54.7" P.A. 294.00 sep 1.2 mag 11.09,12.80

Coord 2000	20308+3619	Discov num	TDS1078	Comp		Coord arcsec 2000	20 30 45.62 +36 18 54.7
Date first	1991	Date last	1991	Obs	1
Pa first	294	Pa last	294.1	P.A. Now (θ)	294.1°
Sep first	1.2	Sep last	1.238	Sep. Now (ρ)	1.238"
Mag pri	11.09	Mag sec	12.80	delta mag (ΔM)	1.71	Spectral class
Pri motion ra	+002	Sec motion ra	+002
Pri motion dec	-011	Sec motion dec	-011
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2697-01182-1

Gaia DR2

2056956049625690752

WDS 20308+3619 TDS 1078 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20308+3619	TDS1078		1991	1	294	1.2	11.09	12.80			203045.62+361854.7

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WDS 20308+3619 TDS 1078 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20308+3619 TDS 1078 : MEASURES

No records found.

WDS 20308+3619 : VIRTUAL EYEPIECE

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WDS 20308+3619 : ALADIN DSS IMAGE @ 20^h 30^m 45.62^s +36° 18' 54.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20308+3619 TDS 1078 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20308+3619	TDS1078		294	1.2
Show		20301+3636	SKF2852	BC	83	1.0	20
Show		20301+3636	KPP4204	AB	213	7.1	20
Show		20301+3636	SKF2852	AC	206	6.5	20
Show		20324+3622	KPP3359		201	8.7	21
Show		20288+3628	COU1958		105	0.5	26
Show		20321+3558	COU2133	AB	29	2.4	27
Show		20321+3558	COU2133	Aa,Ab	119	0.1	27
Show		20289+3634	SEI1132		226	15.1	27
Show		20322+3552	GRV 350		159	36.5	32
Show		20311+3652	SEI1148		281	24.5	34
Show		20291+3550	HO 594	AB	212	15.9	36
Show		20291+3550	GRF 16	AC	163	104.0	36
Show		20313+3654	TOB 188		262	17.0	36
Show		20310+3656	AC 18	AB	158	2.2	38
Show		20310+3656	KUI 98	AC	76	16.8	38
Show		20310+3656	AC 18	AD	165	63.1	38
Show		20288+3650	SEI1129		23	29.0	40
Show		20305+3540	SEI1142		78	21.7	40
Show		20277+3605	ES 2193	AB	334	4.9	40
Show		20277+3605	ES 2193	AC	231	7.4	40
Show		20277+3605	ES 2193	AD	33	12.7	40
Show		20288+3541	SEI1130		26	11.3	45
Show		20290+3535	COU1959		323	0.4	49
Show		20306+3525	COU1961		205	0.4	54
Show		20327+3711	SEI1158	AB	109	20.9	57
Show		20327+3711	TDT2352	Aa,Ab	160	0.4	57
Show		20307+3521	HJ 1526	A,BC	148	8.8	59
Show		20307+3521	HU 760	BC	67	0.3	59
Show		20346+3541	TDT2386		203	0.5	61
Show		20257+3609	TDT2260		3	2.7	62
Show		20359+3617	TDT2405		355	1.1	62
Show		20356+3559	TDT2401		358	0.4	62
Show		20359+3615	GII 52	Aa,Ab	217	0.4	63
Show		20359+3615	GII 52	AB	344	3.9	63
Show		20358+3635	ES 2510		317	6.8	64
Show		20315+3517	CRB 135		4	16.6	64
Show		20318+3517	SEI1152		316	25.3	64
Show		20262+3547	COU2130	Aa,Ab	61	0.5	64
Show		20262+3547	SEI1125	AB	250	19.2	64
Show		20260+3549	HDS2922		143	0.6	65
Show		20329+3515	ES 2306		328	7.4	69
Show		20255+3553	A 47		176	1.6	69
Show		20365+3616	SEI1190		153	2.4	70
Show		20323+3726	SEI1156		89	5.9	70
Show		20364+3555	TDT2414		222	0.9	72
Show		20252+3554	SEI1119		212	7.0	72
Show		20293+3731	WEI 35	CD	202	12.1	74
Show		20293+3731	WEI 35	BC	98	89.3	75
Show		20293+3731	WEI 35	AB	214	4.2	75
Show		20293+3731	WEI 35	AC	100	87.6	75

WDS 20308+3619 : COMPONENTS

	A
B	pa=299.0° sep=1.04"

20308+3619 A

Componente originario normalizzato	AB		Coord arcsec 2000	203045.62+361854.7		Mag	11.09		PmRA	2.00
PmDE	-11.0		Tycho2	2697-01182-1

Tycho2

Tycho2	2697-01182-1	Pflag	P	RAmdeg	307.69006951	DEmdeg	36.31520425
PmRA	1.5	PmDE	-11.3	E RAmdeg	39	E DEmdeg	36
E pmRA	1.8	E pmDE	1.6	EpRAm	1985.15	EpDEm	1985.08
Num	7	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	11.759	E BTmag	0.064	VTmag	11.091
E VTmag	0.061	Prox	12	TYC	T	HIP
CCDM		RAdeg	307.69014167	DEdeg	36.31520194	EpRA 1990	1.55
EpDE 1990	1.67	E RAdeg	40.7	E DEdeg	37.7	Posflg	D
Corr	0.1

20308+3619 B

Componente originario normalizzato	AB		Coord arcsec 2000	203045.54+361855.2		Mag	12.8		PmRA	2.00
PmDE	-11.0		Tycho2	2697-01182-2		Calc delta mag	1.71		Calc coord	yes

Tycho2

Tycho2	2697-01182-2	Pflag	P	RAmdeg	307.69006951	DEmdeg	36.31520425
PmRA	1.5	PmDE	-11.3	E RAmdeg	39	E DEmdeg	36
E pmRA	1.8	E pmDE	1.6	EpRAm	1985.15	EpDEm	1985.08
Num	7	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	12.771	E BTmag	0.199	VTmag	12.800
E VTmag	0.221	Prox	12	TYC		HIP
CCDM		RAdeg	307.68975194	DEdeg	36.31534222	EpRA 1990	1.54
EpDE 1990	1.65	E RAdeg	110.1	E DEdeg	102.2	Posflg	D
Corr	0.1