20283+4038 TDT 2306

20^h 28^m 15.47^s +40° 38' 19.8" P.A. 156.00 sep 1.1 mag 9.99,11.81 Sp B0V:

Coord 2000	20283+4038	Discov num	TDT2306	Comp		Coord arcsec 2000	20 28 15.47 +40 38 19.8
Date first	1991	Date last	1991	Obs	1
Pa first	156	Pa last	155.9	P.A. Now (θ)	155.9°
Sep first	1.1	Sep last	1.12	Sep. Now (ρ)	1.12"
Mag pri	9.99	Mag sec	11.81	delta mag (ΔM)	1.82	Spectral class	B0V: (blue-white)
Pri motion ra	-003	Sec motion ra	-003
Pri motion dec	-004	Sec motion dec	-004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3156-01904-1

Gaia DR2

2067421304373639552

WDS 20283+4038 TDT 2306 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20283+4038	TDT2306		1991	1	156	1.1	9.99	11.81			202815.47+403819.8

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WDS 20283+4038 TDT 2306 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20283+4038 TDT 2306 : MEASURES

No records found.

WDS 20283+4038 : VIRTUAL EYEPIECE

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WDS 20283+4038 : ALADIN DSS IMAGE @ 20^h 28^m 15.47^s +40° 38' 19.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20283+4038 TDT 2306 : NEIGHBORHOODS

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Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20283+4038	TDT2306		156	1.1
Show		20278+4036	TDT2294		310	2.2	6
Show		20296+4021	STN 50		170	6.3	21
Show		20264+4029	MLB1087		98	9.5	24
Show		20299+4022	HJ 1525	AB	234	9.2	25
Show		20299+4022	HJ 1525	AC	39	17.1	25
Show		20295+4100	HJ 1523		340	12.0	26
Show		20294+4011	ALV 6		259	0.6	31
Show		20274+4107	TDT2288		181	2.5	31
Show		20283+4005	COU2538		31	1.0	34
Show		20310+4050	CAN 26	AB	270	2.6	34
Show		20310+4050	CAN 26	AC	335	8.3	34
Show		20310+4050	CAN 26	AD	93	8.4	34
Show		20259+4019	ALI1142		56	12.1	34
Show		20283+4113	TDT2305		227	0.7	35
Show		20306+4015	STJ 84		34	1.2	36
Show		20251+4042	TDT2253		239	2.4	36
Show		20301+4007	ES 245		158	4.1	39
Show		20280+3958	TDT2299		8	0.5	41
Show		20307+4109	CAN 16		347	8.4	41
Show		20254+4014	MLR 1		213	0.4	42
Show		20305+4113	CAN 27	AB	107	4.9	44
Show		20305+4113	CAN 27	AC	287	8.1	44
Show		20305+4113	CAN 27	AD	108	9.8	44
Show		20305+4113	CAN 27	AE	14	10.6	44
Show		20316+4059	CAN 13	AB	80	5.2	44
Show		20316+4059	CAN 13	AC	261	12.6	44
Show		20316+4059	CAN 13	AD	351	13.9	44
Show		20310+4110	CAN 19	Aa,Ab	177	0.4	45
Show		20310+4110	CAN 19	AB	247	5.0	45
Show		20310+4110	CAN 19	AC	114	6.9	45
Show		20310+4110	CAN 19	AD	313	9.5	45
Show		20310+4110	CAN 19	AE	256	9.6	45
Show		20310+4110	CAN 19	AF	82	11.3	45
Show		20257+4004	TOR 25	AB	191	4.7	45
Show		20257+4004	POP 199	AC	245	59.6	45
Show		20321+4048	CAN 77		81	12.5	45
Show		20255+4006	D 22	AB	163	2.9	46
Show		20255+4006	D 22	AC	114	18.1	46
Show		20255+4006	POP 224	AD	98	71.2	46
Show		20253+4003	MLB 22		227	6.2	48
Show		20325+4035	CAN 22	AB	153	3.3	49
Show		20325+4035	CAN 22	AC	178	4.5	49
Show		20325+4035	CAN 22	AD	84	6.3	49
Show		20325+4035	CAN 22	AE	65	7.4	49
Show		20325+4035	CAN 22	AF	261	9.2	49
Show		20325+4035	CAN 22	AG	31	11.5	49
Show		20248+4009	HO 278		70	0.1	49
Show		20326+4041	CAN 18	AB	63	7.5	50
Show		20326+4041	CAN 18	AC	130	8.1	50
Show		20326+4041	CAN 18	AD	117	8.8	50

WDS 20283+4038 : COMPONENTS

	A
B	pa=161.3° sep=1.08"

20283+4038 A

Componente originario normalizzato	AB		Coord arcsec 2000	202815.47+403819.8		Mag	9.99		Spectral class	B0V: (blue-white)
PmRA	-3.00		PmDE	-4.0		Tycho2	3156-01904-1

Tycho2

Tycho2	3156-01904-1	Pflag		RAmdeg	307.06447048	DEmdeg	40.63883149
PmRA	-3.0	PmDE	-4.2	E RAmdeg	19	E DEmdeg	19
E pmRA	1.1	E pmDE	1.1	EpRAm	1987.37	EpDEm	1987.79
Num	5	Q RAmdeg	1.3	Q DEmdeg	0.7	Q pmRA	1.3
Q pmDE	0.7	BTmag	10.658	E BTmag	0.040	VTmag	9.892
E VTmag	0.029	Prox	472	TYC	T	HIP
CCDM		RAdeg	307.06448278	DEdeg	40.63884028	EpRA 1990	1.74
EpDE 1990	1.92	E RAdeg	21.9	E DEdeg	20.6	Posflg
Corr	0.1

20283+4038 B

Componente originario normalizzato	AB		Coord arcsec 2000	202815.50+403818.8		Mag	11.81		PmRA	-3.00
PmDE	-4.0		Calc delta mag	1.82		Calc coord	yes