18086-0948 HDS 2557 (HD 165888)

18^h 08^m 37.18^s -09° 48' 05.3" P.A. 252.00 sep 0.6 mag 9.56,12.30 Sp F2 dist. 132.28 pc (431.5 l.y.)

Coord 2000	18086-0948	Discov num	HDS2557	Comp		Coord arcsec 2000	18 08 37.18 -09 48 05.3
Date first	1991	Date last	2021	Obs	3
Pa first	248	Pa last	251.6	P.A. Now (θ)	251.6°
Sep first	0.5	Sep last	0.647	Sep. Now (ρ)	0.647"
Mag pri	9.56	Mag sec	12.30	delta mag (ΔM)	2.74	Spectral class	F2 (yellow-white)
Pri motion ra	+009	Sec motion ra
Pri motion dec	-010	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 165888	Constellation	Serpens	SAO	142111	HIP	88872
Tycho2	5680-00763-1	Gaia DR2	4158116482466342912	HD	165888	BD	BD-09 4654
Distance	132.28	Distance ly	431.5

WDS 18086-0948 HDS 2557 (HD 165888) : 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
18086-0948	HDS2557		1991	1	248	0.5	9.56	12.30	F2		180837.18-094805.3
18086-0948	HDS2557		2021	2	252	0.6	9.56	12.30	F2		180837.18-094805.3

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

WDS 18086-0948 HDS 2557 (HD 165888) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18086-0948 HDS 2557 (HD 165888) : MEASURES

No records found.

WDS 18086-0948 (HD 165888) : 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 18086-0948 (HD 165888) : ALADIN DSS IMAGE @ 18^h 08^m 37.18^s -09° 48' 05.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18086-0948 HDS 2557 (HD 165888) : 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		18086-0948	HDS2557		252	0.6
Show		18099-1027	TSN 186		38	0.8	44
Show		18092-0817	RST3998	AB	161	0.4	92
Show		18092-0817	B 2856	AB,C	123	11.9	92
Show		18061-0819	HDS2551		91	0.1	97
Show		18053-0823	J 1645		4	5.5	103
Show		18015-1014	BU 47		76	0.6	109
Show		18060-0807	A 2595		45	2.9	109
Show		18132-1114	TDT 741		99	0.6	110
Show		18160-1006	HU 58		127	0.7	111
Show		18096-0755	NSN 142		44	25.1	114
Show		18154-0850	BRT 476		135	4.0	115
Show		18099-0755	HDS2561		16	0.9	115
Show		18009-1012	HU 236		156	0.2	117
Show		18010-1020	GWP2754		219	28.3	117
Show		18034-1118	BRT2743		337	3.8	119
Show		18004-0929	RST3990		93	2.4	123
Show		18146-1113	HLD 142		253	1.3	123
Show		18031-0811	STF2262	AB	291	1.4	128
Show		18031-0811	STF2262	AC	125	100.8	128
Show		18174-0946	HDS2584		352	0.7	130
Show		18161-1111	HDS2579		78	7.8	138
Show		18131-0747	RST4001		278	1.9	139
Show		18181-0943	RST4584		118	1.1	141
Show		18181-0920	TDT 782		85	0.4	143
Show		18103-1211	KPP4088		200	1.9	146
Show		17589-0924	OSO 90	AB	124	20.9	148
Show		17589-0924	OSO 90	AC	207	22.6	148
Show		18188-0929	RST4585		17	0.7	152
Show		17589-1046	KPP1587		359	12.1	155
Show		17596-0820	GWP2751		127	23.6	161
Show		18124-0718	A 36	A,BC	40	70.1	161
Show		18081-0707	RST3997		82	1.3	162
Show		18124-0718	A 36	BC	207	1.3	162
Show		18108-0710	RST3999		176	0.2	162
Show		18000-1133	HU 753		129	5.5	166
Show		18181-1118	SNA 86		68	7.2	166
Show		18189-1101	HU 60		260	1.4	168
Show		18198-0917	SHN 230		-1	0.4	168
Show		18101-1235	GWP2765	AB	281	344.7	169
Show		18201-0936	MOC 14	AB	269	1.2	170
Show		18201-0936	MOC 14	AC	214	2.1	170
Show		18201-0936	MOC 14	AD	95	2.2	170
Show		18025-0719	RST3992		236	0.6	175
Show		18204-1011	HER 2		18	1.0	176
Show		18064-1250	RST3995		137	0.8	185
Show		18164-1214	BRT2747		4	3.9	186
Show		18181-1155	TDT 783		67	0.5	190
Show		18175-1206	WRS 12		134	8.8	191
Show		18214-0915	BWE 1		71	1.8	192
Show		17564-0845	RST3988		36	0.8	192

WDS 18086-0948 : COMPONENTS

	A
B	pa=251.3° sep=0.64"

18086-0948 A

Componente originario normalizzato	AB	Name	HD 165888	Coord arcsec 2000	180837.18-094805.3	Mag	9.56
Spectral class	F2 (yellow-white)	PmRA	9.00	PmDE	-10.0	SAO	142111
HIP	88872	Tycho2	5680-00763-1	HD	165888	BD	BD-09 4654

Tycho2

Tycho2	5680-00763-1	Pflag		RAmdeg	272.15493708	DEmdeg	-9.80150931
PmRA	13.0	PmDE	-9.7	E RAmdeg	13	E DEmdeg	17
E pmRA	1.2	E pmDE	1.3	EpRAm	1988.52	EpDEm	1985.73
Num	8	Q RAmdeg	0.8	Q DEmdeg	1.2	Q pmRA	0.7
Q pmDE	1.2	BTmag	10.160	E BTmag	0.032	VTmag	9.403
E VTmag	0.024	Prox	999	TYC	T	HIP	88872
CCDM	AB	RAdeg	272.15490806	DEdeg	-9.80148750	EpRA 1990	1.94
EpDE 1990	1.80	E RAdeg	13.7	E DEdeg	19.6	Posflg	P
Corr	0.0

SAO

SAO	142111	DelFlag		RA1950		PmRA1950	-0.0005
DE1950		PmDE1950	-0.021	Vmag	8.8	SpType	F2
Double code		Source	26	CatNum	6102	DM	BD-09 4654
DMcomp		BDsup		HD	165888	M HD	0
GC		RA1950rad	4.73797038	DE1950rad	-0.17122212	PmRA2000	-0.0003
PmDE2000	-0.019

Hipparcos

Catalog	H	HIP	88872	Proxy	H	RAhms	18 08 37.18
DEdms	-09 48 05.3	Vmag	9.32	VarFlag		R Vmag	G
RAdeg	272.155	DEdeg	-9.80148	AstroRef	A	Plx	5.33
CCDM	18086-0948	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	248	Rho	0.535	HD	165888	BD	BD-09 4654
CD		CP		Dm number	-09 4654	VIred	0.74
SpType	F2	R SpType		Coord arcsec 2000	180837.18-094805.3

Hipparcos 2

HIP	88872	Sn	15	So	3	Nc	2
RArad	4.7499994243	DErad	-0.1710680844	Plx	7.56	PmRA	9.88
PmDE	-8	E RArad	1.94	E DErad	1.31	E Plx	2.07
E pmRA	2.69	E pmDE	1.58	Hpmag	9.4754	E Hpmag	0.0025
SHp	0.02	VA	0	BV	0.684	E BV	0.02
VI	0.74

CCDM

Ccdm	18086-0948	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.18	DDEs	-5.4
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.6	Sp	F2	PmNote	*
PmRA	9	PmDE	-10	Dm number	-09 4654	Cat1	BD
Name2	142111	Cat2	SAO	HD	165888	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	88872

18086-0948 B

Componente originario normalizzato	AB		Coord arcsec 2000	180837.14-094805.5		Mag	12.3		Calc delta mag	2.74
Calc coord	yes

CCDM

Ccdm	18086-0948	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	1.15	DDEs	-5.6
R dRAs	82	Year	1991	Theta	248	Rho	0.5
Obs	1	Vmag	12.3	Sp		PmNote	*
PmRA	9	PmDE	-10	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	88872