18303+3120 LDS 4789

18^h 30^m 19.03^s +31° 19' 02.9" P.A. 154.00 sep 56.3 mag 13.80,14.00

Coord 2000	18303+3120	Discov num	LDS4789	Comp		Coord arcsec 2000	18 30 19.03 +31 19 02.9
Date first	1960	Date last	2015	Obs	5
Pa first	154	Pa last	153.6	P.A. Now (θ)	153.6°
Sep first	57.0	Sep last	56.266	Sep. Now (ρ)	56.266"
Mag pri	13.80	Mag sec	14.00	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-003	Sec motion ra	-013
Pri motion dec	-006	Sec motion dec	-008
Notes

rPM=0.668

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lyra

Gaia DR2

4588966642164959872

WDS 18303+3120 LDS 4789 : 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
18303+3120	LDS4789		1998	2	154	56.3	13.80	14.00		D	183019.03+311902.9
18303+3120	LDS4789		2002	3	154	56.3	13.80	14.00		D	183019.03+311902.9
18303+3120	LDS4789		2010	4	154	56.2	13.80	14.00			183019.03+311902.9
18303+3120	LDS4789		2015	5	154	56.3	13.80	14.00			183019.03+311902.9

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

WDS 18303+3120 LDS 4789 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18303+3120 LDS 4789 : MEASURES

No records found.

WDS 18303+3120 : VIRTUAL EYEPIECE

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WDS 18303+3120 : ALADIN DSS IMAGE @ 18^h 30^m 19.03^s +31° 19' 02.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18303+3120 LDS 4789 : 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		18303+3120	LDS4789		154	56.3
Show		18310+3115	A 247		57	3.0	10
Show		18314+3055	SLE 186		106	19.0	28
Show		18322+3136	UC 3602		320	71.6	30
Show		18330+3136	STF2340	AB	104	25.1	39
Show		18330+3136	STF2340	AC	150	223.3	39
Show		18330+3136	SLE 196	AD	106	46.6	39
Show		18318+3152	SLE 191		313	6.2	39
Show		18330+3136	STF2340	BC	155	206.6	39
Show		18330+3136	SLE 196	BD	126	11.6	39
Show		18274+3137	J 761		180	3.7	43
Show		18290+3029	TDT 901		45	0.5	54
Show		18333+3040	SLE 199		319	8.7	55
Show		18328+3033	BU 1253		157	7.0	57
Show		18311+3215	STF2333	AB	333	6.3	57
Show		18311+3215	STF2333	AD	339	85.8	57
Show		18311+3215	STF2333	AC	35	164.1	57
Show		18311+3215	STF2333	BC	37	161.1	57
Show		18292+3220	HJ 1326		6	11.0	62
Show		18333+3203	SLE 201		259	22.2	63
Show		18344+3200	ES 2420	AB	129	2.9	67
Show		18344+3200	TOB 151	AC	286	25.0	67
Show		18339+3208	SLE 209		26	10.3	68
Show		18347+3158	SLE 211		270	9.4	68
Show		18267+3211	ES 2418		69	5.6	69
Show		18351+3151	UC 3620		264	14.5	69
Show		18343+3205	ES 2419		156	3.8	69
Show		18356+3136	SLE 217		246	13.9	70
Show		18310+3231	SEI 564		24	15.6	73
Show		18324+3231	TDT 932		320	0.5	77
Show		18295+2959	KU 118		323	50.4	82
Show		18295+2955	STF2328	AB	72	3.7	85
Show		18295+2955	WAL 91	AC	352	53.9	85
Show		18268+3007	TDT 872		319	0.6	85
Show		18292+2955	STF2327		314	19.6	85
Show		18355+3215	CRB 127		31	10.9	87
Show		18246+3034	KPP4107		79	2.2	87
Show		18303+3246	SLE 184		63	35.9	87
Show		18251+3016	GIC 152		125	26.9	91
Show		18252+3016	TDT 847		291	0.5	92
Show		18295+3251	COU1149		130	4.8	93
Show		18375+3112	A 250		114	2.4	93
Show		18364+3209	SLE 219		246	11.2	93
Show		18371+3201	SLE 220		238	18.3	97
Show		18369+3032	DAM 111		286	7.2	98
Show		18269+2950	HJ 1325		311	6.5	99
Show		18295+3259	TDS 925		89	1.8	101
Show		18225+3130	J 760		212	3.1	101
Show		18367+3036	HJ 1330	AB	224	9.3	103
Show		18367+3036	DAM 110	AC	289	8.1	103
Show		18223+3115	TVB 302		111	2.5	103

WDS 18303+3120 : COMPONENTS

	A
B	pa=157.0° sep=54.74"

18303+3120 A

Componente originario normalizzato	AB		Coord arcsec 2000	183019.03+311902.9		Mag	13.8		PmRA	-3.00
PmDE	-6.0

18303+3120 B

Componente originario normalizzato	AB		Coord arcsec 2000	183020.70+311812.5		Mag	14		PmRA	-13.00
PmDE	-8.0		Calc delta mag	0.2		Calc coord	yes