21421+3602 ALI 220

21^h 42^m 05.00^s +36° 02' 29.5" P.A. 266.00 sep 8.2 mag 10.78,12.80

Coord 2000	21421+3602	Discov num	ALI 220	Comp		Coord arcsec 2000	21 42 05.00 +36 02 29.5
Date first	1933	Date last	1933	Obs	1
Pa first	266	Pa last	266.1	P.A. Now (θ)	266.1°
Sep first	8.2	Sep last	8.178	Sep. Now (ρ)	8.178"
Mag pri	10.78	Mag sec	12.80	delta mag (ΔM)	2.02	Spectral class
Pri motion ra	+006	Sec motion ra
Pri motion dec	+013	Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2729-01500-1

Gaia DR2

1950888361916124288

WDS 21421+3602 ALI 220 : NOTES

discov_num	notes	refcode
ALI 220	No star at AC2000 position of companion - possible plate flaw or
	reduction error.

REFERENCES

refcode	metd	author	reference
Ali1949	Pa -	Ali, A.	1949AJ.....54..199A
Ali1949		AJ 54, 199, 1949
Ali1950	Pa -	Ali, A.	1950AJ.....55..209A
Ali1950		AJ 55, 208, 1950
Ali1952	Pa -	Ali, A.	1952AJ.....57..146A
Ali1952		AJ 57, 146, 1952
Ali1955	Pa -	Ali, A.	.
Ali1955		Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999	Pa -	Ali, A.	...................
Ali9999	+Po	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21421+3602	ALI 220		1933	1	266	8.2	10.78	12.80			214205.00+360229.5

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WDS 21421+3602 ALI 220 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21421+3602 ALI 220 : MEASURES

No records found.

WDS 21421+3602 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 21421+3602 : ALADIN DSS IMAGE @ 21^h 42^m 05.00^s +36° 02' 29.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21421+3602 ALI 220 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21421+3602	ALI 220		266	8.2
Show		21419+3612	ES 2131	AC	216	7.4	12
Show		21419+3612	COU1336	BD	178	1.5	13
Show		21407+3612	ES 2130		120	3.2	20
Show		21400+3605	ES 2129		131	5.1	22
Show		21431+3622	GRV 497		228	35.1	24
Show		21395+3551	COU1335		295	0.5	34
Show		21446+3548	TDT3130		95	0.5	35
Show		21442+3538	TDT3126		340	0.8	36
Show		21389+3623	STF2814		160	8.1	44
Show		21385+3549	TDT3076		84	2.2	46
Show		21385+3543	CRB 143		69	19.0	49
Show		21380+3613	TDT3068		344	0.5	51
Show		21460+3626	HDS3100		189	0.5	53
Show		21463+3623	ALI 221		99	8.2	56
Show		21396+3650	SEI1530		160	19.9	57
Show		21461+3534	COU1337		110	0.3	58
Show		21460+3530	GRV 501		154	24.5	59
Show		21410+3504	HO 164	AB	71	4.6	60
Show		21410+3504	HO 164	AC	240	28.4	60
Show		21402+3703	SEI1531		20	2.9	66
Show		21370+3628	GRV 484		216	66.1	66
Show		21382+3514	SEI1528		64	22.0	69
Show		21367+3624	HLD 46		198	1.7	70
Show		21382+3655	TDT3069		148	0.5	71
Show		21480+3550	TDT3160		24	2.3	74
Show		21442+3453	HO 605		341	2.0	75
Show		21436+3715	TDS1143		180	0.9	75
Show		21465+3506	KPP1456		282	10.9	79
Show		21410+3445	TDT3107		244	1.9	79
Show		21405+3720	ES 2067		227	6.8	81
Show		21353+3549	GRV 479		117	52.1	83
Show		21376+3712	ES 2065		4	3.9	88
Show		21484+3516	TDT3164		224	0.6	90
Show		21491+3535	TDT3174		351	0.4	91
Show		21496+3606	HO 169		139	3.7	92
Show		21429+3734	ES 2521	AB	200	8.2	93
Show		21429+3734	ES 2521	AC	93	16.5	93
Show		21412+3735	TDT3109		59	0.6	94
Show		21474+3453	HO 466		145	2.3	95
Show		21473+3451	COU1482		56	0.8	96
Show		21345+3635	TDT3037		273	1.9	98
Show		21340+3605	TDT3034		125	0.6	98
Show		21404+3426	TDT3100		145	2.4	99
Show		21501+3623	GRV 513		204	11.5	100
Show		21438+3742	TDT3122		280	0.6	102
Show		21349+3505	GRV 478		134	28.6	104
Show		21339+3530	TDT3033		150	0.6	106
Show		21507+3621	COU1640	AB	19	2.6	106
Show		21507+3621	GII 295	Aa,Ab	51	0.1	106
Show		21451+3424	COU1186	AB	47	0.4	107

WDS 21421+3602 : COMPONENTS

	A
B	pa=265.2° sep=6.62"

21421+3602 A

Componente originario normalizzato	AB		Coord arcsec 2000	214205.00+360229.5		Mag	10.78		PmRA	6.00
PmDE	13.0		Tycho2	2729-01500-1

Tycho2

Tycho2	2729-01500-1	Pflag		RAmdeg	325.52083367	DEmdeg	36.04154084
PmRA	2.9	PmDE	14.2	E RAmdeg	24	E DEmdeg	22
E pmRA	3.7	E pmDE	3.3	EpRAm	1990.08	EpDEm	1988.82
Num	4	Q RAmdeg	0.2	Q DEmdeg	0.6	Q pmRA	0.2
Q pmDE	0.6	BTmag	11.163	E BTmag	0.040	VTmag	10.779
E VTmag	0.043	Prox	571	TYC	T	HIP
CCDM		RAdeg	325.52082500	DEdeg	36.04150806	EpRA 1990	1.63
EpDE 1990	1.56	E RAdeg	25.1	E DEdeg	24.8	Posflg
Corr	0.1

21421+3602 B

Componente originario normalizzato	AB		Coord arcsec 2000	214204.46+360228.9		Mag	12.8		Calc delta mag	2.02
Calc coord	yes