18302-7641 HDS 2621 (HD 168636)

18^h 30^m 11.52^s -76° 40' 45.9" P.A. 316.00 sep 0.3 mag 9.39,11.07 Sp F6/F7V dist. 162.34 pc (529.55 l.y.)

Coord 2000	18302-7641	Discov num	HDS2621	Comp		Coord arcsec 2000	18 30 11.52 -76 40 45.9
Date first	1991	Date last	2019	Obs	2
Pa first	301	Pa last	316.3	P.A. Now (θ)	316.3°
Sep first	0.4	Sep last	0.288	Sep. Now (ρ)	0.288"
Mag pri	9.39	Mag sec	11.07	delta mag (ΔM)	1.68	Spectral class	F6/F7V (yellow-white)
Pri motion ra	-005	Sec motion ra
Pri motion dec	+031	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 168636	Constellation	Octans	HIP	90686	Tycho2	9445-01676-1
Gaia DR2	6413376871562552832	HD	168636	CP	CP-76 1240	Distance	162.34
Distance ly	529.55

WDS 18302-7641 HDS 2621 (HD 168636) : 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
18302-7641	HDS2621		1991	1	301	0.4	9.39	11.07	F6/F7V	D	183011.52-764045.9
18302-7641	HDS2621		2019	2	316	0.3	9.39	11.07	F6/F7V		183011.52-764045.9

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

WDS 18302-7641 HDS 2621 (HD 168636) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18302-7641 HDS 2621 (HD 168636) : MEASURES

No records found.

WDS 18302-7641 (HD 168636) : VIRTUAL EYEPIECE

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WDS 18302-7641 (HD 168636) : ALADIN DSS IMAGE @ 18^h 30^m 11.52^s -76° 40' 45.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18302-7641 HDS 2621 (HD 168636) : 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		18302-7641	HDS2621		316	0.3
Show		18421-7704	LDS 645		231	68.2	48
Show		18154-7640	GLI 241		76	2.0	52
Show		18166-7703	UC 3542		59	12.0	52
Show		18182-7605	JSP 770		197	0.5	56
Show		18165-7604	HDS2581		252	0.2	61
Show		18351-7539	JSP 775		153	1.8	65
Show		18243-7746	TDT 840		11	0.6	68
Show		18422-7538	KPP 650		11	5.9	77
Show		18431-7539	KPP1905		140	15.0	78
Show		18164-7537	UC 3541		265	17.9	82
Show		18113-7553	KPP3068	AC	109	18.1	83
Show		18113-7553	HDO 282		299	24.6	83
Show		18431-7804	HDS2650	AB	171	0.6	94
Show		18497-7759	RST3189		210	1.2	102
Show		18297-7451	KPP 717		120	6.3	111
Show		18106-7511	HJ 4999		172	13.1	115
Show		18176-7443	TDT 777		19	0.6	127
Show		18344-7906	UC 3614		132	11.7	146
Show		18113-7859	KPP3056		133	1.5	151
Show		18102-7859	HJ 4988		117	8.9	153
Show		18139-7419	HDS2575		101	2.4	155
Show		18329-7358	HDS2631		81	0.6	164
Show		18307-7357	TDT 919		189	0.6	164
Show		18392-7930	KPP2188		87	18.0	172
Show		18225-7347	TDT 822		333	0.8	177
Show		18103-7348	UC 3514		159	57.5	189
Show		18126-7340	TOK 58	Aa,Ab	97	0.3	193
Show		18126-7340	HDO 284	AB	273	2.0	193
Show		18264-7324	TDT 869		183	1.8	198
Show		18212-7322	LDS 630		315	42.0	203
Show		18185-7322	ALD 68		164	1.8	204
Show		18492-7321	B 2459		37	2.9	211
Show		18232-7310	LDS 634		126	54.6	213
Show		18373-7308	B 2452		60	3.0	214
Show		18204-8014	RST3156		24	2.9	216
Show		18189-7304	B 1881		227	0.9	221
Show		18457-7300	NZO 92		46	3.5	229
Show		18345-7250	TDT 941		349	1.0	232
Show		18119-8028	HJ 4987		148	10.7	234
Show		18497-7300	R 314		273	2.0	234
Show		18501-7240	B 2868		84	6.4	253
Show		18309-7227	TDT 920		94	1.9	254
Show		18395-7224	TDT 979		49	0.7	259
Show		18221-7222	UC 3563	AB	60	12.7	262
Show		18214-7214	UC 3557		223	15.9	270
Show		18414-7213	B 2053		319	0.3	272
Show		18409-7204	I 636		229	1.1	280
Show		18404-7201	LDS 647		45	380.0	283
Show		18254-7153	WIS 327		182	682.9	289
Show		18307-7148	B 2867		275	10.0	294

WDS 18302-7641 : COMPONENTS

	A
B	pa=347.6° sep=0.21"

18302-7641 A

Componente originario normalizzato	AB	Name	HD 168636	Coord arcsec 2000	183011.52-764045.9	Mag	9.39
Spectral class	F6/F7V (yellow-white)	PmRA	-5.00	PmDE	31.0	HIP	90686
Tycho2	9445-01676-1	HD	168636	CP	CP-76 1240

Tycho2

Tycho2	9445-01676-1	Pflag		RAmdeg	277.54791488	DEmdeg	-76.67932708
PmRA	-4.2	PmDE	29.9	E RAmdeg	9	E DEmdeg	8
E pmRA	1.2	E pmDE	1.2	EpRAm	1990.22	EpDEm	1990.62
Num	10	Q RAmdeg	0.9	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.2	BTmag	9.685	E BTmag	0.019	VTmag	9.107
E VTmag	0.015	Prox	999	TYC	T	HIP	90686
CCDM	AB	RAdeg	277.54795917	DEdeg	-76.67939694	EpRA 1990	1.58
EpDE 1990	1.68	E RAdeg	8.5	E DEdeg	8.1	Posflg	P
Corr	0.0

Hipparcos

Catalog	H	HIP	90686	Proxy	H	RAhms	18 30 11.52
DEdms	-76 40 45.9	Vmag	9.06	VarFlag		R Vmag	H
RAdeg	277.548	DEdeg	-76.6794	AstroRef	A	Plx	6.7
CCDM	18302-7641	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	301	Rho	0.358	HD	168636	BD
CD		CP	CP-76 1240	Dm number	-76 1240	VIred	0.52
SpType	F6/F7V	R SpType		Coord arcsec 2000	183011.52-764045.9

Hipparcos 2

HIP	90686	Sn	15	So	3	Nc	2
RArad	4.8441267524	DErad	-1.3383081171	Plx	6.16	PmRA	-4.54
PmDE	31.08	E RArad	0.89	E DErad	0.87	E Plx	1.16
E pmRA	1.09	E pmDE	1.13	Hpmag	9.1809	E Hpmag	0.0023
SHp	0.025	VA	0	BV	0.528	E BV	0.016
VI	0.6

CCDM

Ccdm	18302-7641	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.49	DDEs	14.4
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.4	Sp	F6	PmNote	*
PmRA	-5	PmDE	31	Dm number	-76 1240	Cat1	CPD
Name2		Cat2		HD	168636	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	90686

18302-7641 B

Componente originario normalizzato	AB		Coord arcsec 2000	183011.51-764045.7		Mag	11.07		Calc delta mag	1.68
Calc coord	yes

CCDM

Ccdm	18302-7641	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-0.58	DDEs	14.6
R dRAs	82	Year	1991	Theta	301	Rho	0.4
Obs	1	Vmag	11.1	Sp		PmNote	*
PmRA	-5	PmDE	31	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	90686