20049+3641 SEI 842

20^h 04^m 52.03^s +36° 40' 39.0" P.A. 243.00 sep 22.7 mag 10.30,13.19 Sp F8V

Coord 2000	20049+3641	Discov num	SEI 842	Comp		Coord arcsec 2000	20 04 52.03 +36 40 39.0
Date first	1896	Date last	2015	Obs	9
Pa first	240	Pa last	242.6	P.A. Now (θ)	242.6°
Sep first	24.7	Sep last	22.69	Sep. Now (ρ)	22.69"
Mag pri	10.30	Mag sec	13.19	delta mag (ΔM)	2.89	Spectral class	F8V (yellow-white)
Pri motion ra	-010	Sec motion ra	-009
Pri motion dec	-029	Sec motion dec	-008
Notes

rPM=0.685

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2682-02704-1

Gaia DR2

2059901950546140288

227510

WDS 20049+3641 SEI 842 : 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
20049+3641	SEI 842		1998	2	242	22.9	10.30	12.50	F8V	D	200452.03+364039.0
20049+3641	SEI 842		2002	3	242	22.8	10.30	12.50	F8V	D	200452.03+364039.0
20049+3641	SEI 842		2010	4	242	22.8	10.30	13.19	F8V		200452.03+364039.0
20049+3641	SEI 842		2015	5	243	22.7	10.30	13.19	F8V		200452.03+364039.0

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WDS 20049+3641 SEI 842 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20049+3641 SEI 842 : MEASURES

No records found.

WDS 20049+3641 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20049+3641 : ALADIN DSS IMAGE @ 20^h 04^m 52.03^s +36° 40' 39.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20049+3641 SEI 842 : 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		20049+3641	SEI 842		243	22.7
Show		20046+3641	A 1413		139	2.4	4
Show		20046+3639	SEI 840		69	13.6	5
Show		20035+3639	TDT1940		304	0.8	16
Show		20063+3642	SEI 875		116	17.1	17
Show		20037+3626	SEI 830			29.7	21
Show		20068+3628	KPP 804		42	6.9	27
Show		20050+3707	COU2212		198	0.5	27
Show		20042+3707	ALI 403		130	13.7	28
Show		20046+3614	SEI 839		140	15.8	28
Show		20070+3651	SEI 889		209	9.0	29
Show		20030+3701	COU2211		257	1.0	31
Show		20057+3711	SEI 850		339	25.8	32
Show		20062+3708	SEI 874		347	25.5	33
Show		20023+3625	COU2210		292	0.2	35
Show		20076+3627	SEI 898	AB	165	29.1	36
Show		20076+3627	SEI 899	BC	111	23.1	36
Show		20072+3616	BKO 89	EF	19	7.6	36
Show		20060+3714	SEI 866	AB	326	22.7	37
Show		20060+3714	TOB 165	AD	42	42.2	37
Show		20060+3714	TOB 165	BC	33	22.3	37
Show		20060+3714	TOB 165	CD	102	29.6	37
Show		20072+3616	BKO 89	CD	192	9.7	37
Show		20060+3606	SEI 864		61	10.0	38
Show		20072+3616	SEI 891	AB	171	18.7	38
Show		20072+3616	BKO 89	AC	349	29.1	38
Show		20072+3616	BKO 89	AE	282	120.8	38
Show		20065+3609	BKO 85	BD	271	28.8	38
Show		20068+3611	SEI 884	AB	351	24.3	38
Show		20068+3611	BKO 87	AC	226	41.5	38
Show		20068+3611	BKO 87	CD	298	10.3	38
Show		20065+3609	SEI 880	AB	298	20.0	38
Show		20065+3609	BKO 85	AC	255	9.4	38
Show		20058+3605	SEI 853		55	7.5	38
Show		20075+3618	TOB 167		133	12.8	39
Show		20075+3619	SEI 897		287	18.2	40
Show		20024+3706	SEI 810		157	20.2	40
Show		20067+3607	SEI 883	AB	137	26.1	41
Show		20067+3607	BKO 86	AC	97	14.9	41
Show		20035+3601	STF2624	BC	328	44.7	43
Show		20035+3601	MCA 59	Aa,Ab	340	0.1	43
Show		20035+3601	STF2624	AB	174	1.9	43
Show		20035+3601	STF2624	AD	171	29.0	43
Show		20035+3601	STF2624	AC	327	42.3	43
Show		20078+3617	SEI 903		187	12.0	43
Show		20077+3709	POP 190	CD	310	4.4	44
Show		20017+3703	GRV 306		213	29.1	44
Show		20077+3709	POP 190	AB	186	5.6	44
Show		20077+3709	POP 190	AC	230	40.8	44
Show		20069+3718	A 1415		235	4.0	45
Show		20085+3648	SEI 913		46	5.3	45

WDS 20049+3641 : COMPONENTS

	A
B	pa=237.1° sep=19.24"

20049+3641 A

Componente originario normalizzato	AB	Coord arcsec 2000	200452.03+364039.0	Mag	10.3	Spectral class	F8V (yellow-white)
PmRA	-10.00	PmDE	-29.0	Tycho2	2682-02704-1	HD	227510
DM	BD+36 3857

Tycho2

Tycho2	2682-02704-1	Pflag		RAmdeg	301.21682117	DEmdeg	36.67751128
PmRA	-7.6	PmDE	-26.3	E RAmdeg	23	E DEmdeg	21
E pmRA	1.8	E pmDE	1.8	EpRAm	1987.59	EpDEm	1988.29
Num	6	Q RAmdeg	1.3	Q DEmdeg	0.6	Q pmRA	1.3
Q pmDE	0.6	BTmag	10.949	E BTmag	0.045	VTmag	10.300
E VTmag	0.037	Prox	35	TYC	T	HIP
CCDM		RAdeg	301.21683611	DEdeg	36.67756861	EpRA 1990	1.59
EpDE 1990	1.73	E RAdeg	27.0	E DEdeg	24.2	Posflg
Corr	0.0

CCDM

Ccdm	20049+3641	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.06	DDEs	-18.2
R dRAs	80	Year		Theta		Rho
Obs	2	Vmag	10.6	Sp	F8	PmNote
PmRA		PmDE		Dm number	+36 3857	Cat1	BD
Name2		Cat2		HD	227510	M HD
ADS BDS		M ADS BDS		N IDS		IDS	20012N3624A
HIC

20049+3641 B

Componente originario normalizzato	AB		Coord arcsec 2000	200450.69+364028.6		Mag	13.19		PmRA	-9.00
PmDE	-8.0		Calc delta mag	2.89		Calc coord	yes

CCDM

Ccdm	20049+3641	RComp		Comp	B	Note1
Note2		Discov num	SEI 842	DRAs	-2.77	DDEs	-24.2
R dRAs	80	Year	1896	Theta	240	Rho	24.6
Obs	1	Vmag	12.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20012N3624B
HIC