20024+3728 SEI 813

20^h 02^m 22.13^s +37° 27' 51.1" P.A. 328.00 sep 24.3 mag 11.76,12.36 Sp B5

Coord 2000	20024+3728	Discov num	SEI 813	Comp		Coord arcsec 2000	20 02 22.13 +37 27 51.1
Date first	1896	Date last	2015	Obs	11
Pa first	330	Pa last	327.8	P.A. Now (θ)	327.8°
Sep first	24.0	Sep last	24.275	Sep. Now (ρ)	24.275"
Mag pri	11.76	Mag sec	12.36	delta mag (ΔM)	0.6	Spectral class	B5 (blue-white)
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-004	Sec motion dec	-002
Notes

rPM=0.447

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2682-00477-1

Gaia DR2

2060185173534783232

WDS 20024+3728 SEI 813 : 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
20024+3728	SEI 813		2000	4	328	24.3	12.00	12.50		D	200222.13+372751.1
20024+3728	SEI 813		2002	5	328	24.2	12.00	12.50		D	200222.13+372751.1
20024+3728	SEI 813		2010	6	329	24.5	11.76	12.36	B5		200222.13+372751.1
20024+3728	SEI 813		2015	7	328	24.0	11.76	12.36	B5		200222.13+372751.1

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WDS 20024+3728 SEI 813 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20024+3728 SEI 813 : MEASURES

No records found.

WDS 20024+3728 : VIRTUAL EYEPIECE

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

WDS 20024+3728 : ALADIN DSS IMAGE @ 20^h 02^m 22.13^s +37° 27' 51.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20024+3728 SEI 813 : 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		20024+3728	SEI 813		328	24.3
Show		20025+3724	SEI 814		326	19.1	5
Show		20022+3724	NYS 4		131	23.6	5
Show		20031+3733	ES 2045		135	3.7	13
Show		20033+3736	GMZ 199		304	11.9	14
Show		20028+3742	SEI 817		102	21.6	16
Show		20010+3737	SEI 786		253	28.8	19
Show		20042+3728	ALI 654		351	10.9	21
Show		20010+3742	BU 1289	AB	55	0.7	22
Show		20010+3742	BU 1289	AC	89	21.5	22
Show		20010+3742	FOX 246	AB,D	170	104.2	22
Show		20010+3742	WAL 125	AB,E	10	46.5	22
Show		20024+3706	SEI 810		157	20.2	23
Show		20017+3703	GRV 306		213	29.1	26
Show		20030+3701	COU2211		257	1.0	28
Show		20042+3707	ALI 403		130	13.7	31
Show		20042+3755	TOR 19		97	8.8	36
Show		20005+3659	SEI 782		199	25.7	37
Show		19592+3724	COU2412		78	0.4	37
Show		20050+3707	COU2212		198	0.5	38
Show		20033+3807	SEI 825		155	7.2	41
Show		20056+3746	A 1414		34	0.3	43
Show		20057+3711	SEI 850		339	25.8	44
Show		19596+3756	SEI 775		65	20.3	44
Show		20012+3811	ALI 652		55	9.4	45
Show		19590+3750	ALI 651		200	16.8	46
Show		20060+3714	TOB 165	BC	33	22.3	46
Show		20060+3714	TOB 165	CD	102	29.6	46
Show		20060+3714	SEI 866	AB	326	22.7	46
Show		20060+3714	TOB 165	AD	42	42.2	46
Show		19592+3702	SEI 765	AB	94	7.5	47
Show		19592+3702	SEI 765	AC	19	20.9	47
Show		20034+3815	A 1412		228	0.8	49
Show		20062+3708	SEI 874		347	25.5	50
Show		20035+3639	TDT1940		304	0.8	51
Show		20059+3755	ES 2119	BC	256	5.7	51
Show		20041+3815	TOR 18		116	13.2	52
Show		20059+3755	ES 2119	AB	256	12.8	52
Show		19590+3759	SEI 760		158	5.2	52
Show		19589+3657	ARG 88		203	29.5	53
Show		19584+3751	KPP2624		114	24.2	53
Show		20046+3641	A 1413		139	2.4	54
Show		20037+3820	HJ 1470		340	29.3	54
Show		20022+3822	TDT1927		243	0.8	55
Show		20069+3718	A 1415		235	4.0	56
Show		20046+3639	SEI 840		69	13.6	56
Show		20049+3641	SEI 842		243	22.7	56
Show		20007+3635	HDS2851	Aa,Ab	171	0.4	56
Show		20007+3635	WEB 9	AB	202	71.6	56
Show		20007+3635	WEB 9	AC	220	82.1	56
Show		19591+3809	COU2411		49	0.4	57

WDS 20024+3728 : COMPONENTS

	A
B	pa=333.4° sep=22.96"

20024+3728 A

Componente originario normalizzato	AB		Coord arcsec 2000	200222.13+372751.1		Mag	11.76		Spectral class	B5 (blue-white)
PmRA	-2.00		PmDE	-4.0		Tycho2	2682-00477-1

Tycho2

Tycho2	2682-00477-1	Pflag		RAmdeg	300.59221314	DEmdeg	37.46420311
PmRA	-1.9	PmDE	-2.0	E RAmdeg	72	E DEmdeg	69
E pmRA	2.1	E pmDE	2.0	EpRAm	1975.33	EpDEm	1975.73
Num	4	Q RAmdeg	1.0	Q DEmdeg	0.6	Q pmRA	1.0
Q pmDE	0.6	BTmag	12.198	E BTmag	0.148	VTmag	12.003
E VTmag	0.179	Prox	999	TYC		HIP
CCDM		RAdeg	300.59221750	DEdeg	37.46420722	EpRA 1990	1.66
EpDE 1990	1.78	E RAdeg	80.1	E DEdeg	76.0	Posflg
Corr	0.1

CCDM

Ccdm	20024+3728	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.82	DDEs	-9.7
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	10.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19587N3711A
HIC

20024+3728 B

Componente originario normalizzato	AB		Coord arcsec 2000	200221.27+372811.6		Mag	12.36		PmRA	-2.00
PmDE	-2.0		Calc delta mag	0.6		Calc coord	yes

CCDM

Ccdm	20024+3728	RComp		Comp	B	Note1
Note2		Discov num	SEI 813	DRAs	-2.85	DDEs	11.6
R dRAs	65	Year	1896	Theta	329	Rho	24.0
Obs	1	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19587N3711B
HIC