18352+3427 CHR 75 (HD 171780)

18^h 35^m 13.50^s +34° 27' 28.8" P.A. 267.00 sep 0.2 mag 6.12,9.47 Sp B5Vne dist. 255.1 pc (832.14 l.y.)

Coord 2000	18352+3427	Discov num	CHR 75	Comp		Coord arcsec 2000	18 35 13.50 +34 27 28.8
Date first	1985	Date last	1995	Obs	12
Pa first	255	Pa last	266.5	P.A. Now (θ)	266.5°
Sep first	0.2	Sep last	0.212	Sep. Now (ρ)	0.212"
Mag pri	6.12	Mag sec	9.47	delta mag (ΔM)	3.35	Spectral class	B5Vne (blue-white)
Pri motion ra	+009	Sec motion ra
Pri motion dec	+011	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 171780	Constellation	Lyra	SAO	67134	HIP	91119
Tycho2	2632-00380-1	Gaia DR2	2094418128768164224	HD	171780	HR	6984
GC	25406	BD	BD+34 3245	Distance	255.1	Distance ly	832.14

WDS 18352+3427 CHR 75 (HD 171780) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
CHR		Center for High Ang. Res. Astronomy (speckle interferometry systems)
CHR		(see papers by Hartkopf, Mason, McAlister, etc.)
CHR9999	Sc j	McAlister, H.A., Hartkopf, W.I., et al.	...................
CHR9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18352+3427	CHR 75		1995	12	267	0.2	6.12	9.47	B5Vne		183513.50+342728.8

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WDS 18352+3427 CHR 75 (HD 171780) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18352+3427 CHR 75 (HD 171780) : MEASURES

No records found.

WDS 18352+3427 (HD 171780) : 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 18352+3427 (HD 171780) : ALADIN DSS IMAGE @ 18^h 35^m 13.50^s +34° 27' 28.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18352+3427 CHR 75 (HD 171780) : 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		18352+3427	CHR 75		267	0.2
Show		18357+3452	GII 48		313	0.3	26
Show		18332+3420	TDT 935		175	0.9	26
Show		18360+3452	TDT 953		136	0.4	27
Show		18370+3452	STF2352	AB	287	15.9	33
Show		18370+3452	STF2352	AC	161	210.3	33
Show		18370+3452	WAL 93	AD	204	37.9	33
Show		18380+3416	CRB 128		148	11.7	37
Show		18380+3417	LDS4793		182	54.2	37
Show		18344+3503	POP 15		313	8.8	37
Show		18366+3505	COU1307		327	1.2	41
Show		18349+3347	TDT 944		153	0.7	41
Show		18335+3510	HO 86		200	0.3	48
Show		18379+3505	POP 16	AB	310	9.2	49
Show		18379+3505	POP 16	AC	279	53.0	49
Show		18379+3505	DAM 688	AD	108	5.4	49
Show		18379+3506	TRA 1		164	9.4	51
Show		18377+3346	TDT 963		148	1.2	52
Show		18394+3430	SEI 568		192	10.5	53
Show		18313+3447	POP 152		311	2.8	53
Show		18385+3503	COU1308		29	0.4	54
Show		18309+3417	COU1150	Aa,Ab	283	0.4	55
Show		18309+3417	STF2335	AB	318	11.7	55
Show		18309+3417	STF2335	AC	153	25.3	55
Show		18309+3417	ABH 100	AD	270	35.1	55
Show		18309+3417	ABH 100	AE	20	42.6	55
Show		18390+3501	POP 17		16	8.7	58
Show		18366+3328	STF2349	AB	204	7.2	62
Show		18366+3328	WAL 92	AC	314	32.9	62
Show		18403+3425	HDS2645	AB	19	1.9	63
Show		18403+3425	GII 270	Aa,Ab	109	0.2	63
Show		18316+3513	UC 3601		131	40.5	64
Show		18393+3517	HJ 1335		7	16.7	72
Show		18345+3540	WSP 3	AB	87	1.2	73
Show		18345+3540	WSP 3	AC	246	18.3	73
Show		18315+3530	LDS4790		283	315.1	77
Show		18347+3548	HDS2635		53	0.1	82
Show		18319+3538	COU1151	AB	280	1.3	82
Show		18421+3445	B 2546	Aa,Ab	24	0.1	88
Show		18421+3445	STF2372	AB	82	25.0	88
Show		18421+3445	BLL 34	AC	69	114.0	88
Show		18416+3503	GRV 237		176	57.8	88
Show		18421+3445	BLL 34	BC	65	91.1	88
Show		18425+3432	POP 45		275	6.8	90
Show		18420+3505	SEI 570		131	9.4	91
Show		18426+3459	UC 3650		159	22.3	97
Show		18430+3445	SEI 572	AB	53	22.3	98
Show		18430+3445	BKO 52	AC	147	18.7	98
Show		18430+3445	BKO 52	BD	82	7.5	98
Show		18414+3323	TDT 997		139	0.6	101
Show		18346+3608	HU 1293		76	1.1	101

WDS 18352+3427 : COMPONENTS

	A
B	pa=265.8° sep=0.17"

18352+3427 A

Componente originario normalizzato	AB	Name	HD 171780	Coord arcsec 2000	183513.50+342728.8	Mag	6.12
Spectral class	B5Vne (blue-white)	PmRA	9.00	PmDE	11.0	SAO	67134
HIP	91119	Tycho2	2632-00380-1	HD	171780	HR	6984
GC	25406	BD	BD+34 3245

Tycho2

Tycho2	2632-00380-1	Pflag		RAmdeg	278.80626868	DEmdeg	34.45802591
PmRA	3.0	PmDE	9.8	E RAmdeg	4	E DEmdeg	3
E pmRA	1.2	E pmDE	1.2	EpRAm	1991.32	EpDEm	1991.52
Num	13	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.7
Q pmDE	1.1	BTmag	5.950	E BTmag	0.014	VTmag	6.070
E VTmag	0.009	Prox	999	TYC	T	HIP	91119
CCDM	AB	RAdeg	278.80626000	DEdeg	34.45800306	EpRA 1990	1.49
EpDE 1990	1.61	E RAdeg	3.5	E DEdeg	3.3	Posflg	P
Corr	-0.1

SAO

SAO	67134	DelFlag		RA1950		PmRA1950	0.0002
DE1950		PmDE1950	0.003	Vmag	5.9	SpType	B5
Double code		Source	70	CatNum	25406	DM	BD+34 3245
DMcomp		BDsup		HD	171780	M HD	0
GC	25406	RA1950rad	4.85819758	DE1950rad	0.60067619	PmRA2000	0.0005
PmDE2000	0.003

Hipparcos

Catalog	H	HIP	91119	Proxy	H	RAhms	18 35 13.50
DEdms	+34 27 28.8	Vmag	6.1	VarFlag		R Vmag	G
RAdeg	278.806	DEdeg	34.458	AstroRef	*	Plx	3.14
CCDM	18352+3427	N CCDM	M	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	C	M HIP	AB
Theta	264	Rho	0.218	HD	171780	BD	BD+34 3245
CD		CP		Dm number	+34 3245	VIred	-0.1
SpType	B5Vn	R SpType		Coord arcsec 2000	183513.50+342728.8

Hipparcos 2

HIP	91119	Sn	55	So	3	Nc	2
RArad	4.8660872375	DErad	0.6014055726	Plx	3.92	PmRA	3.46
PmDE	8.65	E RArad	0.32	E DErad	0.35	E Plx	0.42
E pmRA	0.36	E pmDE	0.51	Hpmag	6.0691	E Hpmag	0.0009
SHp	0.008	VA	0	BV	-0.115	E BV	0.003
VI	-0.1

CCDM

Ccdm	18352+3427	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.51	DDEs	29.5
R dRAs	81	Year		Theta		Rho
Obs	2	Vmag	6.1	Sp	B5	PmNote	@
PmRA	6	PmDE	21	Dm number	+34 3245	Cat1	BD
Name2	+34 1713	Cat2	AGK2/3	HD	171780	M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	18352+3427A
HIC	91119

18352+3427 B

Componente originario normalizzato	AB		Coord arcsec 2000	183513.49+342728.8		Mag	9.47		Calc delta mag	3.35
Calc coord	yes

CCDM

Ccdm	18352+3427	RComp		Comp	B	Note1
Note2		Discov num	CHR 75	DRAs		DDEs
R dRAs		Year	1985	Theta	255	Rho	0.2
Obs	6	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	18352+3427B
HIC	91119