20105+2503 COU 122 (HD 191704)

20^h 10^m 28.04^s +25° 02' 56.6" P.A. 356.00 sep 0.6 mag 7.24,9.91 Sp A0 dist. 130.72 pc (426.41 l.y.)

Coord 2000	20105+2503	Discov num	COU 122	Comp		Coord arcsec 2000	20 10 28.04 +25 02 56.6
Date first	1966	Date last	2015	Obs	13
Pa first	336	Pa last	355.5	P.A. Now (θ)	355.5°
Sep first	0.5	Sep last	0.647	Sep. Now (ρ)	0.647"
Mag pri	7.24	Mag sec	9.91	delta mag (ΔM)	2.67	Spectral class	A0 (white)
Pri motion ra	+024	Sec motion ra
Pri motion dec	-019	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 191704	Constellation	Vulpecula	SAO	88291	HIP	99394
Tycho2	2158-01211-1	Gaia DR2	1833989831850321792	HD	191704	BD	BD+24 4029
Distance	130.72	Distance ly	426.41

WDS 20105+2503 COU 122 (HD 191704) : NOTES

No records found.

DISCOVERER

discov	author
COU	Couteau, P.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
20105+2503	COU 122		1999	9	356	0.6	7.24	9.91	A0	+24 4029	D	201028.04+250256.6
20105+2503	COU 122		2007	10	355	0.6	7.24	9.91	A0	+24 4029	D	201028.04+250256.6
20105+2503	COU 122		2011	11	353	0.6	7.24	9.91	A0	+24 4029		201028.04+250256.6
20105+2503	COU 122		2015	13	356	0.6	7.24	9.91	A0	+24 4029		201028.04+250256.6

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WDS 20105+2503 COU 122 (HD 191704) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20105+2503 COU 122 (HD 191704) : MEASURES

No records found.

WDS 20105+2503 (HD 191704) : VIRTUAL EYEPIECE

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WDS 20105+2503 (HD 191704) : ALADIN DSS IMAGE @ 20^h 10^m 28.04^s +25° 02' 56.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20105+2503 COU 122 (HD 191704) : 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		20105+2503	COU 122		356	0.6	1
Show		20103+2506	POU4242		292	17.8	4
Show		20103+2508	POU4243		99	8.4	6
Show		20102+2510	POU4241		0	8.6	8
Show		20106+2455	POU4246		96	6.0	9
Show		20104+2512	POU4245		71	9.9	9
Show		20093+2503	BAR 53	AB	296	1.0	16
Show		20093+2503	BAR 53	AC	1	23.7	16
Show		20094+2511	TDT2031		43	0.6	17
Show		20117+2512	POU4259		13	8.6	20
Show		20104+2439	A 384		357	1.3	24
Show		20086+2504	POU4233		241	14.6	26
Show		20116+2523	POU4257		9	15.3	26
Show		20089+2520	AG 247		30	39.6	28
Show		20104+2532	AG 400		12	5.5	29
Show		20126+2454	POU4271		75	4.9	30
Show		20122+2445	POU4266		343	6.0	30
Show		20144+2453	POU4300		268	16.6	30
Show		20110+2433	POU4251		257	16.4	31
Show		20102+2536	FOX 33		102	1.1	34
Show		20080+2514	POU4227		8	7.7	35
Show		20088+2437	TDT2020		55	4.3	35
Show		20084+2439	TDT2014		40	0.6	38
Show		20076+2505	POU4223		27	4.3	38
Show		20077+2453	POU4224		48	7.2	39
Show		20126+2529	BRT3355		206	3.9	39
Show		20124+2433	POU4269		272	13.2	40
Show		20088+2431	POU4234		148	7.6	40
Show		20121+2429	BKO 799		25	8.6	41
Show		20130+2527	BKO 805		224	6.7	43
Show		20100+2421	POU4237		121	9.7	44
Show		20127+2430	POU4273	AB	234	8.0	45
Show		20127+2430	POU4274	AC	9	13.4	45
Show		20104+2548	TDT2047		95	2.7	45
Show		20126+2539	DOO 15	BC	171	2.5	46
Show		20126+2539	OPI 22	BD	245	45.8	46
Show		20126+2539	OPI 22	BE	247	38.8	46
Show		20126+2539	DOO 15	AB	298	117.4	46
Show		20070+2503	POU4219	BC	276	5.9	48
Show		20070+2503	LOS 4	AB	111	3.1	48
Show		20070+2503	POU4219	AC	261	3.1	48
Show		20140+2449	BKO 809		183	6.8	51
Show		20141+2446	BKO 810		249	6.2	53
Show		20135+2431	POU4285		330	10.5	53
Show		20141+2443	POU4293		197	3.1	53
Show		20142+2446	POU4295		303	3.7	54
Show		20120+2554	DOO 14		273	1.9	56
Show		20146+2459	POU4304		325	17.8	56
Show		20146+2453	J 1165		122	2.2	57
Show		20145+2451	STT 402		33	15.3	57
Show		20084+2414	POU4230		163	14.7	57

WDS 20105+2503 : COMPONENTS

	A
B	pa=355.5° sep=0.65"

20105+2503 A

Name	HD 191704	Coord arcsec 2000	201028.04+250256.6	Mag	7.24	Spectral class	A0 (white)
PmRA	24.00	PmDE	-19.0	HIP	99394	Tycho2	2158-01211-1
HD	191704	BD	BD+24 4029

Tycho2

Tycho2	2158-01211-1	Pflag		RAmdeg	302.61685971	DEmdeg	25.04904968
PmRA	15.5	PmDE	-1.7	E RAmdeg	4	E DEmdeg	3
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.55	EpDEm	1991.68
Num	10	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.1
Q pmDE	1.2	BTmag	7.267	E BTmag	0.014	VTmag	7.132
E VTmag	0.009	Prox	999	TYC	T	HIP	99394
CCDM	AB	RAdeg	302.61682056	DEdeg	25.04905361	EpRA 1990	1.72
EpDE 1990	1.80	E RAdeg	3.5	E DEdeg	3.4	Posflg
Corr	0.4

Hipparcos

Catalog	H	HIP	99394	Proxy	H	RAhms	20 10 28.04
DEdms	+25 02 56.6	Vmag	7.1	VarFlag		R Vmag	H
RAdeg	302.617	DEdeg	25.049	AstroRef	A	Plx	6.8
CCDM	16.98	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	348	Rho	0.574	HD		BD	BD+24 4029
CD		CP		Dm number	+24 4029	VIred	0.11
SpType	A0	R SpType		Coord arcsec 2000	201028.04+250256.6

Hipparcos 2

HIP	99394	Sn	15	So	3	Nc	2
RArad	5.2816598627	DErad	0.4371883449	Plx	7.65	PmRA	16.43
PmDE	-1.29	E RArad	0.36	E DErad	0.41	E Plx	0.77
E pmRA	0.37	E pmDE	0.4	Hpmag		E Hpmag	0.0008
SHp	0.01	VA	0	BV	0.131	E BV	0.006
VI	0.15

CCDM

Ccdm	20105+2503	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.89	DDEs	-4.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.3	Sp	A0	PmNote	*
PmRA	27	PmDE	-17	Dm number	+24 4029	Cat1	BD
Name2	+24 2149	Cat2	AGK2/3	HD	191704	M HD
ADS BDS		M ADS BDS		N IDS		IDS	20062N2445A
HIC	99394

20105+2503 B

Coord arcsec 2000

201028.04+250257.2

Mag

9.91

Delta magnitude

2.67

Coordinate calculated

yes

CCDM

Ccdm	20105+2503	RComp		Comp	B	Note1
Note2		Discov num	COU 122	DRAs		DDEs
R dRAs		Year	1966	Theta	336	Rho	0.5
Obs	1	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20062N2445B
HIC	99394