17420+3746 TDS 878

17^h 42^m 01.26^s +37° 46' 05.3" P.A. 253.00 sep 1.5 mag 11.21,11.30

Coord 2000	17420+3746	Discov num	TDS 878	Comp		Coord arcsec 2000	17 42 01.26 +37 46 05.3
Date first	1991	Date last	2016	Obs	4
Pa first	250	Pa last	252.9	P.A. Now (θ)	252.9°
Sep first	1.5	Sep last	1.525	Sep. Now (ρ)	1.525"
Mag pri	11.21	Mag sec	11.30	delta mag (ΔM)	0.09	Spectral class
Pri motion ra	-021	Sec motion ra	-021
Pri motion dec	-006	Sec motion dec	-006
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Tycho2

3088-01558-1

Gaia DR2

1342710135119744128

WDS 17420+3746 TDS 878 : 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
17420+3746	TDS 878		2001	2	252	1.5	11.21	11.30			174201.26+374605.3
17420+3746	TDS 878		2015	3	253	1.5	11.21	11.30			174201.26+374605.3
17420+3746	TDS 878		2016	4	253	1.5	11.21	11.30			174201.26+374605.3

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WDS 17420+3746 TDS 878 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17420+3746 TDS 878 : MEASURES

No records found.

WDS 17420+3746 : VIRTUAL EYEPIECE

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WDS 17420+3746 : ALADIN DSS IMAGE @ 17^h 42^m 01.26^s +37° 46' 05.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17420+3746 TDS 878 : 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		17420+3746	TDS 878		253	1.5	1
Show		17415+3752	COU 996	AB	322	1.6	9
Show		17415+3752	GII 251	Aa,Ab	134	0.1	9
Show		17422+3804	RAO 20	AB	302	2.3	19
Show		17422+3804	RBR 29	Aa,Ab	138	0.0	19
Show		17449+3752	ES 2016		218	4.3	35
Show		17390+3752	ALI 606		96	11.1	37
Show		17437+3655	ES 2168		299	6.9	55
Show		17450+3702	CRB 123		109	9.0	57
Show		17457+3708	TDT 492		51	0.7	59
Show		17470+3750	COU1144		104	0.9	60
Show		17381+3655	HO 69		139	2.0	70
Show		17377+3658	HO 420		105	1.6	71
Show		17359+3801	COU1299		118	1.5	75
Show		17462+3853	COU1300		126	0.8	84
Show		17493+3745	MLB 753		352	9.9	87
Show		17496+3756	ES 2567		194	5.6	91
Show		17487+3832	UC 3416		22	13.2	91
Show		17353+3831	RAO 378		34	0.4	92
Show		17490+3704	COU1145		283	0.2	94
Show		17380+3623	TDT 443		186	0.9	97
Show		17482+3637	TDT 511		68	0.6	101
Show		17340+3823	RAO 376		244	0.4	102
Show		17424+3605	CBL 71		195	26.8	102
Show		17508+3741	STF2238		285	2.4	102
Show		17386+3613	LDS4758		158	24.6	103
Show		17518+3756	ES 2568		39	11.8	104
Show		17460+3919	STF2224	AB	349	7.9	105
Show		17460+3919	WAL 85	AC	297	69.5	105
Show		17496+3649	ES 2169		337	8.5	107
Show		17384+3602	TDT 446		51	0.8	113
Show		17512+3821	HU 1183		191	0.5	115
Show		17505+3651	COU1146		146	0.1	116
Show		17333+3842	KPP3318		118	1.2	118
Show		17457+3557	TDT 493		141	0.7	118
Show		17344+3903	FUR 2		51	2.1	119
Show		17455+3554	HDS2509		75	0.5	120
Show		17381+3939	CRB 122		158	21.2	122
Show		17507+3638	TDS 889		14	1.4	124
Show		17464+3553	TDT 497		84	0.8	125
Show		17469+3555	MLB 936		83	2.9	126
Show		17482+3605	LDS4761			41.3	126
Show		17380+3944	KPP4047		264	3.2	127
Show		17355+3932	ES 2015		32	4.8	132
Show		17345+3927	KPP4045		72	2.2	135
Show		17532+3713	DAE 11			1.6	138
Show		17467+3538	STF2226		89	12.7	140
Show		17316+3644	CVR1702		347	3.6	140
Show		17345+3935	COU1298		249	0.3	141
Show		17302+3755	TDT 385		288	0.5	141
Show		17506+3932	COU1301		86	1.8	146

WDS 17420+3746 : COMPONENTS

	A
B	pa=248.7° sep=1.24"

17420+3746 A

Componente originario normalizzato	AB		Coord arcsec 2000	174201.26+374605.3		Mag	11.21		PmRA	-21.00
PmDE	-6.0		Tycho2	3088-01558-1

Tycho2

Tycho2	3088-01558-1	Pflag	P	RAmdeg	265.50524202	DEmdeg	37.76814619
PmRA	-21.3	PmDE	-6.2	E RAmdeg	48	E DEmdeg	48
E pmRA	4.5	E pmDE	4.1	EpRAm	1989.49	EpDEm	1989.10
Num	3	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.0
Q pmDE	1.3	BTmag	12.264	E BTmag	0.136	VTmag	11.205
E VTmag	0.074	Prox	15	TYC	T	HIP
CCDM		RAdeg	265.50560667	DEdeg	37.76824611	EpRA 1990	1.51
EpDE 1990	1.61	E RAdeg	49.0	E DEdeg	48.7	Posflg	D
Corr	-0.1

17420+3746 B

Componente originario normalizzato	AB		Coord arcsec 2000	174201.16+374604.9		Mag	11.3		PmRA	-21.00
PmDE	-6.0		Tycho2	3088-01558-2		Calc delta mag	0.09		Calc coord	yes

Tycho2

Tycho2	3088-01558-2	Pflag	P	RAmdeg	265.50524202	DEmdeg	37.76814619
PmRA	-21.3	PmDE	-6.2	E RAmdeg	48	E DEmdeg	48
E pmRA	4.5	E pmDE	4.1	EpRAm	1989.49	EpDEm	1989.10
Num	3	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.0
Q pmDE	1.3	BTmag	12.012	E BTmag	0.100	VTmag	11.298
E VTmag	0.080	Prox	15	TYC		HIP
CCDM		RAdeg	265.50510750	DEdeg	37.76810417	EpRA 1990	1.51
EpDE 1990	1.60	E RAdeg	51.2	E DEdeg	51.1	Posflg	D
Corr	-0.1