17377+3017 HDS 2490

17^h 37^m 44.76^s +30° 16' 39.8" P.A. 164.00 sep 0.2 mag 10.75,10.80 Sp F2 dist. 261.78 pc (853.93 l.y.)

Coord 2000	17377+3017	Discov num	HDS2490	Comp		Coord arcsec 2000	17 37 44.76 +30 16 39.8
Date first	1991	Date last	2014	Obs	4
Pa first	172	Pa last	163.6	P.A. Now (θ)	163.6°
Sep first	0.2	Sep last	0.212	Sep. Now (ρ)	0.212"
Mag pri	10.75	Mag sec	10.80	delta mag (ΔM)	0.05	Spectral class	F2 (yellow-white)
Pri motion ra	+002	Sec motion ra
Pri motion dec	-014	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Hercules		HIP	86277		Tycho2	2606-00917-1		Gaia DR2	4600434617156171136
BD	BD+30 3034		Distance	261.78		Distance ly	853.93

WDS 17377+3017 HDS 2490 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos 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
17377+3017	HDS2490		1991	1	172	0.2	10.75	10.80	F2		173744.76+301639.8
17377+3017	HDS2490		2014	3	164	0.2	10.75	10.80	F2		173744.76+301639.8

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

WDS 17377+3017 HDS 2490 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17377+3017 HDS 2490 : MEASURES

No records found.

WDS 17377+3017 : VIRTUAL EYEPIECE

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WDS 17377+3017 : ALADIN DSS IMAGE @ 17^h 37^m 44.76^s +30° 16' 39.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17377+3017 HDS 2490 : 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		17377+3017	HDS2490		164	0.2
Show		17383+3059	TDT 445		176	0.6	43
Show		17346+2958	MAB 1	AB	27	0.6	46
Show		17341+2959	ES 468		11	2.3	52
Show		17348+3100	LDS4756		135	135.0	58
Show		17423+3030	TDT 469		96	0.5	61
Show		17384+2916	HJ 1301		102	10.0	62
Show		17380+3124	TDT 444		212	1.3	68
Show		17372+3124	TDT 435	Aa,Ab	15	0.4	68
Show		17372+3124	SEI 544	AB	276	9.7	68
Show		17401+2914	STF2192	AB	31	16.0	70
Show		17401+2914	FYM 245	AC	156	34.9	70
Show		17407+3117	HDS2501	Aa,Ab	78	0.8	72
Show		17407+3117	STTA157	AB	106	118.3	72
Show		17317+3019	STF2181	AB	328	33.0	79
Show		17317+3019	STF2181	AC	218	37.7	79
Show		17317+3019	SLE 27	AD	25	164.5	79
Show		17313+3008	RAO 375		181	0.7	84
Show		17321+3106	LDS4750		19	8.9	89
Show		17338+3131	TDT 415		220	0.8	91
Show		17400+3144	SEI 545		325	11.4	92
Show		17380+2842	TDS 875		359	0.9	96
Show		17301+3025	TDT 383		242	1.1	100
Show		17300+3035	GRV 957		30	11.5	103
Show		17395+3157	KPP2533		270	22.8	103
Show		17456+3032	HO 70		269	0.3	103
Show		17299+3035	SLE 29		74	37.6	104
Show		17455+2950	COU 631		51	5.6	104
Show		17449+3108	STF2213		327	4.9	105
Show		17455+2949	COU 632		308	1.1	106
Show		17319+2902	TDT 397		354	0.5	107
Show		17359+3205	COU 807		143	0.7	112
Show		17324+2848	A 352	AB	353	0.1	113
Show		17402+2826	CVR 205		216	14.5	115
Show		17417+2831	ROE 119		324	4.4	118
Show		17305+3132	KPP2117		149	17.2	120
Show		17293+2924	A 351	AB	58	0.5	122
Show		17293+2924	KUI 82	AB,C	314	49.9	122
Show		17296+2916	LDS4744		162	15.7	124
Show		17302+2901	GRV 959		356	24.2	124
Show		17284+2950	ARY 13		89	102.9	125
Show		17300+3138	LDS4746		39	8.5	130
Show		17277+3024	HO 416	AB	97	4.5	130
Show		17277+3024	SLE 28	AC	275	79.1	130
Show		17436+3203	SEI 546		94	21.7	131
Show		17373+2803	TDT 438		8	0.4	135
Show		17470+2915	TDS 881	AB	242	1.0	136
Show		17470+2915	TDS 881	Aa,Ab	138	0.2	136
Show		17308+3201	ZHN 31		259	7.1	138
Show		17269+2957	KPP1455		192	10.9	143
Show		17372+2754	KUI 83	AB	212	0.3	144

WDS 17377+3017 : COMPONENTS

	A
B	pa=165.7° sep=0.21"

17377+3017 A

Componente originario normalizzato	AB	Coord arcsec 2000	173744.76+301639.8	Mag	10.75	Spectral class	F2 (yellow-white)
PmRA	2.00	PmDE	-14.0	HIP	86277	Tycho2	2606-00917-1
BD	BD+30 3034

Tycho2

Tycho2	2606-00917-1	Pflag		RAmdeg	264.43652160	DEmdeg	30.27768083
PmRA	2.5	PmDE	-14.2	E RAmdeg	16	E DEmdeg	16
E pmRA	1.7	E pmDE	1.6	EpRAm	1990.08	EpDEm	1989.36
Num	7	Q RAmdeg	0.6	Q DEmdeg	1.2	Q pmRA	0.6
Q pmDE	1.2	BTmag	10.474	E BTmag	0.031	VTmag	9.932
E VTmag	0.026	Prox	999	TYC	T	HIP	86277
CCDM	AB	RAdeg	264.43651417	DEdeg	30.27771611	EpRA 1990	1.58
EpDE 1990	1.75	E RAdeg	17.4	E DEdeg	16.7	Posflg	P
Corr	-0.1

Hipparcos

Catalog	H	HIP	86277	Proxy	H	RAhms	17 37 44.76
DEdms	+30 16 39.8	Vmag	9.91	VarFlag		R Vmag	H
RAdeg	264.437	DEdeg	30.2777	AstroRef	*	Plx	4.23
CCDM	17377+3017	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	172	Rho	0.205	HD		BD	BD+30 3034
CD		CP		Dm number	+30 3034	VIred	0.49
SpType	F2	R SpType		Coord arcsec 2000	173744.76+301639.8

Hipparcos 2

HIP	86277	Sn	55	So	3	Nc	2
RArad	4.6152878178	DErad	0.5284459272	Plx	3.82	PmRA	0.64
PmDE	-12.4	E RArad	0.85	E DErad	1.12	E Plx	1.28
E pmRA	0.96	E pmDE	1.7	Hpmag	10.0244	E Hpmag	0.003
SHp	0.024	VA	0	BV	0.521	E BV	0.039
VI	0.59

CCDM

Ccdm	17377+3017	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.77	DDEs	-20.2
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	10.8	Sp	F2	PmNote	*
PmRA	2	PmDE	-14	Dm number	+30 3034	Cat1	BD
Name2	+30 1613	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	86277

17377+3017 B

Componente originario normalizzato	AB		Coord arcsec 2000	173744.76+301639.6		Mag	10.8		Calc delta mag	0.05
Calc coord	yes

CCDM

Ccdm	17377+3017	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.77	DDEs	-20.4
R dRAs	82	Year	1991	Theta	172	Rho	0.2
Obs	1	Vmag	10.8	Sp		PmNote	*
PmRA	2	PmDE	-14	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	86277