20500+7455 VKI 38

20^h 50^m 00.38^s +74° 55' 30.8" P.A. 297.00 sep 2.8 mag 11.33,13.10

Coord 2000	20500+7455	Discov num	VKI 38	Comp		Coord arcsec 2000	20 50 00.38 +74 55 30.8
Date first	1984	Date last	2016	Obs	2
Pa first	304	Pa last	297	P.A. Now (θ)	297°
Sep first	2.2	Sep last	2.8	Sep. Now (ρ)	2.8"
Mag pri	11.33	Mag sec	13.10	delta mag (ΔM)	1.77	Spectral class
Pri motion ra	+015	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

Tycho2

4472-00022-1

Gaia DR2

2277856349478882048

WDS 20500+7455 VKI 38 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Vki1984	Po -	Vilkki, E.	1984PASP...96..161V
Vki1984		PASP 96, 161, 1984
Vki1988	Po -	Vilkki, E.	1988PASP..100.1540V
Vki1988		PASP 100, 1540, 1988
Vki1989	Po -	Vilkki, E.	1989PASP..101.1132V
Vki1989		PASP 101, 1132, 1989

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20500+7455	VKI 38		1984	1	304	2.2	11.33	13.10			205000.38+745530.8
20500+7455	VKI 38		2016	2	297	2.8	11.33	13.10			205000.38+745530.8

If you need more information about this double, apply for a data request form to the WDS.

WDS 20500+7455 VKI 38 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20500+7455 VKI 38 : MEASURES

No records found.

WDS 20500+7455 : 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 20500+7455 : ALADIN DSS IMAGE @ 20^h 50^m 00.38^s +74° 55' 30.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20500+7455 VKI 38 : 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		20500+7455	VKI 38		297	2.8
Show		20485+7517	LDS1940		133	10.0	25
Show		20485+7429	MLR 238		20	0.2	27
Show		20593+7455	A 878		48	2.9	37
Show		21002+7432	CBL 530		285	48.6	47
Show		20597+7417	A 879		138	4.4	55
Show		20550+7547	LDS1942		346	2.7	56
Show		21057+7501	TDT2739		1	2.0	62
Show		20374+7536	HEI 7		231	0.7	63
Show		20562+7611	UC 4336		300	22.3	79
Show		20464+7332	TDS1099		336	1.2	86
Show		21040+7604	SLW1229		1	16.6	87
Show		20354+7619	OSW 17		198	65.6	101
Show		20408+7319	LDS1939		227	18.9	104
Show		21087+7342	OSO 141		156	14.7	106
Show		21067+7623	KPP1325		281	10.0	107
Show		20515+7304	LDS1941		234	1.6	113
Show		20557+7648	UC 4331		35	15.6	115
Show		20546+7653	LOC 460		81	6.6	119
Show		20512+7656	SLW1227		136	10.1	121
Show		20304+7634	TDT2327		320	0.6	122
Show		21012+7258	A 880		43	0.3	126
Show		21066+7648	LOC 473		147	3.6	128
Show		20592+7224	MLB 423		247	5.9	157
Show		21087+7718	LOC 475		324	5.3	158
Show		20458+7219	MLB 421		251	1.9	158
Show		21092+7719	LOC 474		350	10.6	160
Show		20339+7229	LDS1933		175	7.0	162
Show		20323+7753	LOC 450		293	3.2	188
Show		21089+7752	LOC 476		53	1.2	189
Show		20458+7146	SKF1249		281	39.0	190
Show		20571+7138	TDT2652		307	0.6	201
Show		20491+7818	LOC 463		193	1.2	203
Show		20493+7131	MLB 422		203	5.5	204
Show		20592+7823	CON 38		237	2.5	210
Show		21037+7827	KPP4222		264	2.0	217
Show		20380+7119	MLB 420		276	3.6	222
Show		21059+7124	LDS1945		353	15.9	224
Show		21078+7123	HDS3012		190	0.9	227
Show		21021+7855	LOC 477		275	3.4	244
Show		20499+7900	LOC 464		336	2.1	245
Show		20561+7052	TDT2640		318	0.7	246
Show		20460+7907	MLR 237	AB	118	3.1	253
Show		21045+7046	STF2771		33	2.7	258
Show		20465+7036	MLB 363		211	3.2	261
Show		20423+7915	SKF1247		338	17.3	261
Show		21010+7919	MLR 244		188	2.5	266
Show		20353+7030	A 873		68	0.3	274
Show		20530+7932	TDT2601		350	2.5	277
Show		20454+7000	MLR 93		210	0.1	296
Show		21027+7005	TDT2710		42	0.4	297

WDS 20500+7455 : COMPONENTS

	A
B	pa=333.0° sep=1.43"

20500+7455 A

Componente originario normalizzato	AB		Coord arcsec 2000	205000.38+745530.8		Mag	11.33		PmRA	15.00
PmDE	2.0		Tycho2	4472-00022-1

Tycho2

Tycho2	4472-00022-1	Pflag		RAmdeg	312.50163239	DEmdeg	74.92523657
PmRA	14.5	PmDE	1.9	E RAmdeg	48	E DEmdeg	36
E pmRA	2.1	E pmDE	2.2	EpRAm	1984.10	EpDEm	1984.63
Num	4	Q RAmdeg	2.0	Q DEmdeg	1.2	Q pmRA	2.0
Q pmDE	1.2	BTmag	12.335	E BTmag	0.162	VTmag	11.330
E VTmag	0.087	Prox	999	TYC		HIP
CCDM		RAdeg	312.50158389	DEdeg	74.92521944	EpRA 1990	1.55
EpDE 1990	1.59	E RAdeg	56.6	E DEdeg	61.5	Posflg
Corr	-0.1

20500+7455 B

Componente originario normalizzato	AB		Coord arcsec 2000	205000.21+745532.1		Mag	13.1		Calc delta mag	1.77
Calc coord	yes