18394+3430 SEI 568

18^h 39^m 26.50^s +34° 30' 14.8" P.A. 192.00 sep 10.5 mag 11.50,12.10

Coord 2000	18394+3430	Discov num	SEI 568	Comp		Coord arcsec 2000	18 39 26.50 +34 30 14.8
Date first	1894	Date last	2015	Obs	14
Pa first	192	Pa last	191.8	P.A. Now (θ)	191.8°
Sep first	10.7	Sep last	10.545	Sep. Now (ρ)	10.545"
Mag pri	11.50	Mag sec	12.10	delta mag (ΔM)	0.6	Spectral class
Pri motion ra	+001	Sec motion ra	-004
Pri motion dec	-002	Sec motion dec	-006
Notes

rPM=0.888

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lyra

Tycho2

2645-01781-1

Gaia DR2

2094744271403954944

WDS 18394+3430 SEI 568 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18394+3430	SEI 568		2006	5	192	10.5	11.66	12.20			183924.90+343026.0
18394+3430	SEI 568		2012	6	192	10.5	11.66	12.20			183924.90+343026.0
18394+3430	SEI 568		2015	10	192	10.5	11.50	12.10			183926.50+343014.8

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WDS 18394+3430 SEI 568 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18394+3430 SEI 568 : MEASURES

No records found.

WDS 18394+3430 : VIRTUAL EYEPIECE

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WDS 18394+3430 : ALADIN DSS IMAGE @ 18^h 39^m 26.50^s +34° 30' 14.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18394+3430 SEI 568 : 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		18394+3430	SEI 568		192	10.5
Show		18403+3425	HDS2645	AB	19	1.9	12
Show		18403+3425	GII 270	Aa,Ab	109	0.2	12
Show		18380+3417	LDS4793		182	54.2	22
Show		18380+3416	CRB 128		148	11.7	22
Show		18390+3501	POP 17		16	8.7	33
Show		18385+3503	COU1308		29	0.4	35
Show		18421+3445	B 2546	Aa,Ab	24	0.1	37
Show		18421+3445	STF2372	AB	82	25.0	37
Show		18421+3445	BLL 34	AC	69	114.0	37
Show		18421+3445	BLL 34	BC	65	91.1	37
Show		18425+3432	POP 45		275	6.8	38
Show		18370+3452	STF2352	AB	287	15.9	38
Show		18370+3452	STF2352	AC	161	210.3	38
Show		18370+3452	WAL 93	AD	204	37.9	38
Show		18379+3505	POP 16	AB	310	9.2	39
Show		18379+3505	POP 16	AC	279	53.0	39
Show		18379+3505	DAM 688	AD	108	5.4	39
Show		18379+3506	TRA 1		164	9.4	41
Show		18416+3503	GRV 237		176	57.8	44
Show		18420+3505	SEI 570		131	9.4	46
Show		18430+3445	SEI 572	AB	53	22.3	47
Show		18430+3445	BKO 52	AC	147	18.7	47
Show		18430+3445	BKO 52	BD	82	7.5	47
Show		18360+3452	TDT 953		136	0.4	48
Show		18393+3517	HJ 1335		7	16.7	49
Show		18426+3459	UC 3650		159	22.3	49
Show		18366+3505	COU1307		327	1.2	49
Show		18377+3346	TDT 963		148	1.2	50
Show		18357+3452	GII 48		313	0.3	52
Show		18352+3427	CHR 75		267	0.2	53
Show		18438+3433	SEI 573		298	20.9	54
Show		18445+3400	STTA172		5	64.9	70
Show		18344+3503	POP 15		313	8.8	71
Show		18349+3347	TDT 944		153	0.7	71
Show		18366+3328	STF2349	AB	204	7.2	72
Show		18366+3328	WAL 92	AC	314	32.9	72
Show		18414+3323	TDT 997		139	0.6	72
Show		18416+3541	KPP4116		252	1.7	76
Show		18427+3326	UC 3651		218	10.7	76
Show		18332+3420	TDT 935		175	0.9	78
Show		18434+3533	STF2378	BC	246	203.5	79
Show		18458+3431	STF2390		155	4.3	79
Show		18434+3533	STF2378	AB	190	11.5	80
Show		18434+3533	SLE 688	AD	16	109.8	80
Show		18434+3533	STF2378	AC	243	210.2	80
Show		18434+3533	FYM 48	AE	270	110.9	80
Show		18434+3533	FYM 48	AF	134	66.7	80
Show		18418+3314	KU 119		86	20.6	82
Show		18335+3510	HO 86		200	0.3	84
Show		18465+3414	COU1153		116	0.4	90

WDS 18394+3430 : COMPONENTS

	A
B	pa=189.8° sep=10.47"

18394+3430 A

Componente originario normalizzato	AB		Coord arcsec 2000	183926.50+343014.8		Mag	11.5		PmRA	1.00
PmDE	-2.0		Tycho2	2645-01781-1		DM	BD+34 3272

Tycho2

Tycho2	2645-01781-1	Pflag		RAmdeg	279.85374924	DEmdeg	34.50724733
PmRA	4.4	PmDE	0.1	E RAmdeg	68	E DEmdeg	55
E pmRA	2.6	E pmDE	2.5	EpRAm	1979.95	EpDEm	1984.74
Num	5	Q RAmdeg	1.4	Q DEmdeg	1.0	Q pmRA	1.4
Q pmDE	1.0	BTmag	12.090	E BTmag	0.120	VTmag	11.656
E VTmag	0.123	Prox	999	TYC	T	HIP
CCDM		RAdeg	279.85373778	DEdeg	34.50724583	EpRA 1990	1.48
EpDE 1990	1.68	E RAdeg	74.8	E DEdeg	58.0	Posflg
Corr	0.0

18394+3430 B

Componente originario normalizzato	AB		Coord arcsec 2000	183926.36+343004.5		Mag	12.1		PmRA	-4.00
PmDE	-6.0		Calc delta mag	0.6		Calc coord	yes