20024+3320 SEI 803

20^h 02^m 21.69^s +33° 19' 42.7" P.A. 272.00 sep 22.6 mag 10.35,12.79 Sp A0

Coord 2000	20024+3320	Discov num	SEI 803	Comp		Coord arcsec 2000	20 02 21.69 +33 19 42.7
Date first	1894	Date last	2015	Obs	12
Pa first	275	Pa last	272	P.A. Now (θ)	272°
Sep first	22.7	Sep last	22.623	Sep. Now (ρ)	22.623"
Mag pri	10.35	Mag sec	12.79	delta mag (ΔM)	2.44	Spectral class	A0 (white)
Pri motion ra	-002	Sec motion ra	-001
Pri motion dec	-003	Sec motion dec	-002
Notes

rPM=0.392

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2674-02502-1

Gaia DR2

2058219044895747072

227232

WDS 20024+3320 SEI 803 : 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+3320	SEI 803		1998	4	272	22.7	10.35	13.40		D	200221.69+331942.7
20024+3320	SEI 803		2002	5	272	22.6	10.35	13.40		D	200221.69+331942.7
20024+3320	SEI 803		2011	6	272	22.6	10.35	13.40		D	200221.69+331942.7
20024+3320	SEI 803		2015	8	272	22.6	10.35	12.79	A0		200221.69+331942.7

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WDS 20024+3320 SEI 803 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20024+3320 SEI 803 : MEASURES

No records found.

WDS 20024+3320 : VIRTUAL EYEPIECE

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WDS 20024+3320 : ALADIN DSS IMAGE @ 20^h 02^m 21.69^s +33° 19' 42.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20024+3320 SEI 803 : 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+3320	SEI 803		272	22.6
Show		20022+3332	SEI 801		107	7.9	13
Show		20021+3308	SEI 797		86	25.7	13
Show		20019+3303	HO 586		172	6.8	19
Show		20037+3327	TDT1942		11	0.8	19
Show		20027+3340	HO 118	AB	28	3.0	21
Show		20027+3340	DAM 7	AC	308	60.7	21
Show		20039+3329	TDT1945		114	1.3	22
Show		20025+3341	HO 117	AB	314	5.2	22
Show		20025+3341	BKO 520	AC	24	6.5	22
Show		20027+3340	WAK 13	CD	6	2.9	22
Show		20040+3309	SEI 832		219	22.2	23
Show		20031+3343	SEI 818		207	15.1	26
Show		20008+3337	SEI 784		159	23.5	26
Show		20013+3346	SEI 789		347	16.9	29
Show		20027+3349	SEI 815	AB	358	19.4	30
Show		20027+3349	SEI 816	AC	113	20.6	30
Show		20027+3349	BKO 523	AD	341	5.0	30
Show		20010+3346	SEI 785		137	29.2	31
Show		20031+3350	SEI 819		148	22.1	32
Show		20026+3352	BKO 521	AB	34	10.5	33
Show		20026+3352	BKO 521	BC	57	5.1	33
Show		20023+3354	SEI 804		270	27.4	34
Show		19596+3318	BEW 4		203	18.0	35
Show		20049+3334	ES 2350	AB	224	2.4	35
Show		20049+3334	ES 2350	BC	241	4.4	35
Show		19596+3321	SEI 769		228	23.7	36
Show		20027+3355	BKO 522	DE	154	4.4	36
Show		20027+3355	BKO 522	AB	340	6.8	36
Show		20027+3355	BKO 522	AD	199	10.6	36
Show		20027+3355	BKO 522	BC	15	1.9	36
Show		20039+3349	SEI 833		146	6.0	36
Show		20004+3252	TDT1910		243	1.8	37
Show		20032+3357	SEI 821		93	29.2	39
Show		20053+3307	COU1806		287	1.2	40
Show		20016+3358	SEI 794		193	3.8	41
Show		20014+3240	SEI 792		5	25.4	42
Show		20057+3329	ES 2351		276	5.0	43
Show		20053+3343	SEI 844		6	22.5	43
Show		20033+3403	SEI 822		212	24.3	45
Show		20056+3303	TOI1193		255	0.1	45
Show		20016+3233	TDT1920		154	0.7	48
Show		19585+3317	STF2606	AB	146	0.7	48
Show		19585+3317	GUI 29	AC	274	168.6	48
Show		20062+3328	ES 2373	AB	104	6.1	49
Show		20062+3328	ES 2373	AC	53	12.6	49
Show		20057+3255	TDT1968		244	0.6	49
Show		20048+3359	SEI 841		307	26.7	50
Show		20020+3411	SEI 800		350	24.9	52
Show		19597+3359	FRT 2	AB	237	6.9	52
Show		19597+3359	FRT 2	AC	311	3.0	52

WDS 20024+3320 : COMPONENTS

	A
B	pa=272.4° sep=18.91"

20024+3320 A

Componente originario normalizzato	AB		Coord arcsec 2000	200221.69+331942.7		Mag	10.35		Spectral class	A0 (white)
PmRA	-2.00		PmDE	-3.0		Tycho2	2674-02502-1		HD	227232

Tycho2

Tycho2	2674-02502-1	Pflag		RAmdeg	300.59040518	DEmdeg	33.32855228
PmRA	-2.0	PmDE	-2.0	E RAmdeg	18	E DEmdeg	19
E pmRA	1.1	E pmDE	1.2	EpRAm	1987.14	EpDEm	1987.17
Num	8	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.1
Q pmDE	1.2	BTmag	10.348	E BTmag	0.029	VTmag	10.346
E VTmag	0.039	Prox	377	TYC	T	HIP
CCDM		RAdeg	300.59041528	DEdeg	33.32855528	EpRA 1990	1.63
EpDE 1990	1.67	E RAdeg	20.1	E DEdeg	21.3	Posflg
Corr	0.1

CCDM

Ccdm	20024+3320	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.34	DDEs	-16.2
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	9.9	Sp	B8	PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD	227231	M HD
ADS BDS		M ADS BDS		N IDS		IDS	19585N3303A
HIC

20024+3320 B

Componente originario normalizzato	AB		Coord arcsec 2000	200220.18+331943.5		Mag	12.79		PmRA	-1.00
PmDE	-2.0		Calc delta mag	2.44		Calc coord	yes

CCDM

Ccdm	20024+3320	RComp		Comp	B	Note1
Note2		Discov num	SEI 803	DRAs	-4.08	DDEs	-16.1
R dRAs	65	Year	1894	Theta	274	Rho	22.6
Obs	1	Vmag	12.9	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	19585N3303B
HIC