18026+2931 LDS 4771

18^h 02^m 38.29^s +29° 30' 32.5" P.A. 251.00 sep 16.6 mag 16.10,17.20

Coord 2000	18026+2931	Discov num	LDS4771	Comp		Coord arcsec 2000	18 02 38.29 +29 30 32.5
Date first	1960	Date last	2015	Obs	7
Pa first	266	Pa last	251.2	P.A. Now (θ)	251.2°
Sep first	17.0	Sep last	16.57	Sep. Now (ρ)	16.57"
Mag pri	16.10	Mag sec	17.20	delta mag (ΔM)	1.1	Spectral class
Pri motion ra	-125	Sec motion ra
Pri motion dec	-091	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Gaia DR2

4590580862671715584

WDS 18026+2931 LDS 4771 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (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
18026+2931	LDS4771		1999	2	250	16.6	16.10	17.20		D	180238.29+293032.5
18026+2931	LDS4771		2010	3	251	16.9	16.10	17.20			180238.29+293032.5
18026+2931	LDS4771		2015	4	251	16.6	16.10	17.20			180238.29+293032.5

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

WDS 18026+2931 LDS 4771 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18026+2931 LDS 4771 : MEASURES

No records found.

WDS 18026+2931 : VIRTUAL EYEPIECE

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WDS 18026+2931 : ALADIN DSS IMAGE @ 18^h 02^m 38.29^s +29° 30' 32.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18026+2931 LDS 4771 : 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		18026+2931	LDS4771		251	16.6
Show		18025+2931	NSN 701		266	16.5	2
Show		18006+2934	LDS6413		105	88.1	27
Show		17594+2929	COU1003	Aa,Ab	359	0.1	43
Show		17594+2929	STF2247	AB	188	11.6	43
Show		17594+2929	WAL 88	AC	230	56.1	43
Show		18006+3014	J 1127		341	2.9	51
Show		18049+3015	TDT 667		146	1.5	54
Show		18060+3002	TDT 679		347	0.7	54
Show		18039+3023	WIS 322		284	999.9	55
Show		18069+2933	SLE 135		126	9.7	56
Show		17590+3003	STF2259		277	19.6	57
Show		18041+3025	KPP4077		249	16.8	58
Show		17585+3011	HDS2534		355	0.5	68
Show		18063+2843	HJ 1313		297	13.7	69
Show		18054+3029	SLE 131	BC	217	15.0	70
Show		18054+3029	SLE 131	AB	203	52.4	70
Show		18054+3029	SLE 131	AC	206	67.2	70
Show		18083+2941	YSC 65	Aa,Ac	246	0.1	75
Show		18083+2941	LAF 60	Aa,Ab	251	0.1	75
Show		18083+2941	LAF 60	AB	53	10.4	75
Show		18083+2941	LAF 60	AC	196	11.2	75
Show		18083+2941	LAF 60	AD	168	13.4	75
Show		18083+2941	LAF 60	AE	262	16.3	75
Show		18020+3047	COU 811		153	2.2	78
Show		17567+2929	D 17		130	23.9	78
Show		18032+2813	AZC 103		146	14.1	78
Show		18075+2846	STA 2		87	0.1	79
Show		18086+2916	UC 3505		255	42.2	80
Show		18070+3034	SCA 170	Aa,Ab	230	0.2	86
Show		18070+3034	AC 15	AB	331	1.4	86
Show		18070+3034	AC 15	AC	60	97.0	86
Show		18070+3034	AC 15	AD	103	140.1	86
Show		18070+3034	AC 15	AE	78	169.9	86
Show		18070+3034	AC 15	AF	165	162.4	86
Show		18070+3034	AC 15	AG		175.9	86
Show		17559+2943	AZC 102		35	21.3	89
Show		18070+2824	HDS2553		300	0.1	89
Show		18054+3054	SLE 130		103	6.7	91
Show		18072+2822	TDT 691		201	0.9	91
Show		18094+2957	MET 83	AB	274	2.7	92
Show		18094+2957	MET 83	AC	239	3.3	92
Show		18094+2957	MET 83	AD	183	9.5	92
Show		18094+2957	MET 83	AE	281	10.4	92
Show		18094+2957	GAT 25	AF	301	29.2	92
Show		17564+2846	GRV 971		237	73.0	93
Show		18090+2851	BRT 33		110	3.5	95
Show		17564+3018	KPP2118		349	17.2	95
Show		18082+2830	UC 3502		249	20.1	95
Show		18099+2941	HJ 1315		129	9.0	96
Show		18079+3042	SLE 138		329	10.1	99

WDS 18026+2931 : COMPONENTS

	A
B	pa=248.6° sep=14.66"

18026+2931 A

Componente originario normalizzato	AB		Coord arcsec 2000	180238.29+293032.5		Mag	16.1		PmRA	-125.00
PmDE	-91.0

18026+2931 B

Componente originario normalizzato	AB		Coord arcsec 2000	180237.24+293027.2		Mag	17.2		Calc delta mag	1.1
Calc coord	yes