20470+4901 HDS 2962

20^h 47^m 00.94^s +49° 01' 20.1" P.A. 222.00 sep 0.1 mag 9.73,11.44 Sp K0 dist. 1492.54 pc (4868.67 l.y.)

Coord 2000	20470+4901	Discov num	HDS2962	Comp		Coord arcsec 2000	20 47 00.94 +49 01 20.1
Date first	1991	Date last	2009	Obs	3
Pa first	244	Pa last	221.5	P.A. Now (θ)	221.5°
Sep first	0.2	Sep last	0.087	Sep. Now (ρ)	0.087"
Mag pri	9.73	Mag sec	11.44	delta mag (ΔM)	1.71	Spectral class	K0 (yellow-orange)
Pri motion ra	+012	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cygnus		HIP	102557		Tycho2	3582-00108-1		Gaia DR2	2168026682737987072
BD	BD+48 3208		Distance	1492.54		Distance ly	4868.67

WDS 20470+4901 HDS 2962 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20470+4901	HDS2962		1991	1	244	0.2	9.73	11.44	K0		204700.94+490120.1
20470+4901	HDS2962		2009	3	222	0.1	9.73	11.44	K0		204700.94+490120.1

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

WDS 20470+4901 HDS 2962 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20470+4901 HDS 2962 : MEASURES

No records found.

WDS 20470+4901 : VIRTUAL EYEPIECE

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WDS 20470+4901 : ALADIN DSS IMAGE @ 20^h 47^m 00.94^s +49° 01' 20.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20470+4901 HDS 2962 : 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		20470+4901	HDS2962		222	0.1
Show		20441+4856	HEI 912		201	1.7	30
Show		20438+4921	HEI 911		125	2.4	37
Show		20434+4923	STJ 111		64	0.9	42
Show		20425+4916	ARG 39	BC	100	35.4	47
Show		20425+4916	ARG 39	BD	241	21.1	47
Show		20425+4916	ARG 39	BE	55	44.1	47
Show		20425+4916	ARG 39	AB	184	15.4	47
Show		20425+4916	ARG 39	AF	258	34.4	47
Show		20425+4916	ARG 39	AG	341	52.4	47
Show		20454+4816	UC 254		181	17.9	48
Show		20457+4951	TDT2521		236	0.3	51
Show		20521+4923	ES 811		158	1.4	54
Show		20418+4929	HEI 910		201	1.6	59
Show		20496+4805	HJ 1584		223	4.3	62
Show		20406+4900	ES 509		285	8.6	63
Show		20466+5004	HDS2959		21	0.5	64
Show		20465+5005	HDS2958		334	0.1	65
Show		20405+4855	ES 807		154	3.9	65
Show		20478+4754	ES 2253		335	3.4	68
Show		20540+4905	HEI 913		14	2.1	69
Show		20409+4828	ES 808		157	3.3	69
Show		20541+4850	CTI5707		148	12.3	71
Show		20496+5008	ES 94	AB	15	102.7	71
Show		20496+5008	GUI 34	AD	58	86.9	71
Show		20478+4750	ES 810		40	20.7	72
Show		20496+5008	ES 94	BC	79	2.5	73
Show		20529+4814	ES 812		169	8.5	75
Show		20396+4823	RAO 616		122	1.8	84
Show		20414+4758	ES 809	AB	285	1.6	84
Show		20414+4758	SKF2394	AC	68	3.0	84
Show		20481+4738	TDT2547		73	2.5	84
Show		20449+5023	SKF2395		204	4.1	85
Show		20421+5013	ES 91	BC	247	14.8	87
Show		20421+5013	ES 91	AB	189	4.6	87
Show		20421+5013	ES 91	AC	235	17.6	87
Show		20387+4830	HJ 1558		205	4.4	89
Show		20397+4806	ES 806	AB	267	7.0	90
Show		20397+4806	ES 806	AC	24	11.9	90
Show		20486+5029	D 23	CD	5	1.7	90
Show		20486+5029	BU 366	AB	130	1.5	90
Show		20486+5029	BU 366	AC	105	51.1	90
Show		20422+5020	BU 675	AB	102	3.3	92
Show		20422+5020	BU 675	AC	185	28.8	92
Show		20422+5020	BU 675	AD	329	33.3	92
Show		20422+5020	BU 675	AE	240	72.0	92
Show		20437+4733	A 749		306	0.5	95
Show		20502+4732	ES 672		166	4.6	95
Show		20499+5036	CBL 87		2	25.0	99
Show		20457+5040	STT 412	AB	279	26.0	100
Show		20457+5040	STT 412	AC	268	26.2	100

WDS 20470+4901 : COMPONENTS

	A
B	pa=210.1° sep=0.08"

20470+4901 A

Componente originario normalizzato	AB	Coord arcsec 2000	204700.94+490120.1	Mag	9.73	Spectral class	K0 (yellow-orange)
PmRA	12.00	PmDE	-1.0	HIP	102557	Tycho2	3582-00108-1
BD	BD+48 3208

Tycho2

Tycho2	3582-00108-1	Pflag		RAmdeg	311.75396917	DEmdeg	49.02226698
PmRA	12.3	PmDE	0.4	E RAmdeg	15	E DEmdeg	16
E pmRA	1.4	E pmDE	1.3	EpRAm	1989.36	EpDEm	1989.09
Num	7	Q RAmdeg	0.7	Q DEmdeg	1.1	Q pmRA	0.7
Q pmDE	1.1	BTmag	10.723	E BTmag	0.041	VTmag	9.426
E VTmag	0.021	Prox	390	TYC	T	HIP	102557
CCDM	AB	RAdeg	311.75392500	DEdeg	49.02226417	EpRA 1990	1.65
EpDE 1990	1.74	E RAdeg	16.3	E DEdeg	16.6	Posflg	P
Corr	0.0

Hipparcos

Catalog	H	HIP	102557	Proxy	H	RAhms	20 47 00.94
DEdms	+49 01 20.1	Vmag	9.36	VarFlag		R Vmag	H
RAdeg	311.754	DEdeg	49.0223	AstroRef	*	Plx	1.1
CCDM	20470+4901	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	244	Rho	0.203	HD		BD	BD+48 3208
CD		CP		Dm number	+48 3208	VIred	1.08
SpType	K0	R SpType		Coord arcsec 2000	204700.94+490120.1

Hipparcos 2

HIP	102557	Sn	55	So	3	Nc	2
RArad	5.441132555	DErad	0.855599861	Plx	0.67	PmRA	11.93
PmDE	-1.31	E RArad	0.69	E DErad	0.64	E Plx	0.82
E pmRA	0.82	E pmDE	0.64	Hpmag	9.5276	E Hpmag	0.0027
SHp	0.019	VA	0	BV	1.057	E BV	0.047
VI	1.02

CCDM

Ccdm	20470+4901	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.95	DDEs	20.1
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	9.7	Sp	K0	PmNote	*
PmRA	12	PmDE	-1	Dm number	+48 3208	Cat1	BD
Name2	+48 1671	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	102557

20470+4901 B

Componente originario normalizzato	AB		Coord arcsec 2000	204700.94+490120.0		Mag	11.44		Calc delta mag	1.71
Calc coord	yes

CCDM

Ccdm	20470+4901	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	0.95	DDEs	20.0
R dRAs	82	Year	1991	Theta	244	Rho	0.2
Obs	1	Vmag	11.4	Sp		PmNote	*
PmRA	12	PmDE	-1	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	102557