20406-2639 CHR 186 (HD 196815)

20^h 40^m 35.89^s -26° 38' 42.3" P.A. 149.00 sep 0.0 mag 6.90,7.70 Sp F7V dist. 107.18 pc (349.62 l.y.)

Coord 2000	20406-2639	Discov num	CHR 186	Comp		Coord arcsec 2000	20 40 35.89 -26 38 42.3
Date first	1992	Date last	2021	Obs	9
Pa first	325	Pa last	149.2	P.A. Now (θ)	149.2°
Sep first	0.1	Sep last	0.044	Sep. Now (ρ)	0.044"
Mag pri	6.90	Mag sec	7.70	delta mag (ΔM)	0.8	Spectral class	F7V (yellow-white)
Pri motion ra	+019	Sec motion ra
Pri motion dec	-024	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 196815	Constellation	Capricornus	SAO	189559	HIP	102032
Tycho2	6929-01467-1	Gaia DR2	6799261541166115840	HD	196815	HR	7902
GC	28791	CD	CD-2714959	CP	CP-27 7070	Distance	107.18
Distance ly	349.62

WDS 20406-2639 CHR 186 (HD 196815) : NOTES

discov_num	notes	refcode
CHR 186	Reported by Andersen et al. (1985 AAA 59, 15) as SB2, with 13 RVs	Bvr1986
	measured by Beavers & Eitter (1986).	McA1993

REFERENCES

refcode	metd	author	reference
Bvr1986	-	Beavers, W.I. & Eitter, J.J.	1986ApJS...62..147B
Bvr1986		ApJS 62, 147, 1986
McA1993	Sc j	McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M.	1993AJ....106.1639M
McA1993	+orb	AJ 106, 1639, 1993

DISCOVERER

idgroup	discov	author
1	CHR	Center for High Ang. Res. Astronomy (speckle interferometry systems)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20406-2639	CHR 186		1992	1	325	0.1	6.51		F7V	N	204035.89-263842.3
20406-2639	CHR 186		2013	2	131	0.0	6.90	7.70	F7V	N	204035.89-263842.3
20406-2639	CHR 186		2015	5	149	0.0	6.90	7.70	F7V	N	204035.89-263842.3
20406-2639	CHR 186		2017	6	131	0.0	6.90	7.70	F7V	N	204035.89-263842.3
20406-2639	CHR 186		2019	8	135	0.0	6.90	7.70	F7V	N	204035.89-263842.3
20406-2639	CHR 186		2021	9	149	0.0	6.90	7.70	F7V	N	204035.89-263842.3

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

WDS 20406-2639 CHR 186 (HD 196815) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20406-2639 CHR 186 (HD 196815) : MEASURES

No records found.

WDS 20406-2639 (HD 196815) : 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 20406-2639 (HD 196815) : ALADIN DSS IMAGE @ 20^h 40^m 35.89^s -26° 38' 42.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20406-2639 CHR 186 (HD 196815) : 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		20406-2639	CHR 186		149	0.0
Show		20408-2626	UC 4255		339	13.7	13
Show		20406-2615	UC 4254		225	11.1	24
Show		20424-2626	UC 4263		207	22.1	28
Show		20396-2704	HJ 5210		263	10.7	29
Show		20396-2717	RST2150		5	1.7	41
Show		20365-2632	STN 52		251	1.7	55
Show		20373-2717	HJ 2982		137	15.8	59
Show		20386-2540	B 498		17	0.4	65
Show		20456-2653	B 2891		253	5.0	69
Show		20444-2548	RST2155		353	1.2	73
Show		20465-2652	HJ 5220		354	18.1	80
Show		20435-2524	DBR 323		175	2.2	85
Show		20438-2525	UC 4271		61	8.1	86
Show		20464-2554	UC 4284		110	12.5	91
Show		20473-2625	BU 153		251	1.9	92
Show		20338-2616	RST2144		115	0.4	94
Show		20339-2710	CBL 178		40	52.0	96
Show		20334-2643	B 491		104	2.6	96
Show		20379-2507	KPP4208		17	16.5	100
Show		20331-2633	LDS5907		211	206.4	101
Show		20349-2531	B 494		197	0.8	103
Show		20393-2820	RST2149		155	1.0	104
Show		20346-2530	B 2887		209	7.4	107
Show		20375-2817	BRT3093		85	3.8	107
Show		20392-2453	DAM 667		98	8.0	108
Show		20365-2813	RST2147		315	1.2	109
Show		20337-2541	H N 7	AB	160	14.6	110
Show		20337-2541	H N 7	AC	336	15.7	110
Show		20337-2541	H N 7	AD	228	21.1	110
Show		20461-2516	EHR 17		59	11.4	111
Show		20378-2451	BRT3094		250	4.5	115
Show		20358-2501	DON 989		103	1.1	117
Show		20479-2745	STN 53		175	18.1	118
Show		20319-2655	RST2143		259	0.3	119
Show		20431-2838	RST2154		279	0.8	124
Show		20313-2707	SKF2086		306	7.1	128
Show		20310-2700	DAM1042		179	10.8	130
Show		20430-2846	SEE 425		226	7.9	132
Show		20437-2434	SHK 1		219	1.5	132
Show		20390-2428	B 2889		220	6.8	133
Show		20401-2852	SEE 423	AB	39	1.2	134
Show		20401-2852	SEE 423	BC	281	0.2	134
Show		20501-2722	HJ 5226		67	18.7	134
Show		20458-2834	RST2157		170	0.7	135
Show		20487-2804	FIN 8		189	2.5	138
Show		20323-2519	UC 4208		79	23.7	138
Show		20427-2855	RST2153		42	0.2	140
Show		20464-2834	RST2159		316	3.6	140
Show		20319-2806	TDT2341		318	0.5	145
Show		20461-2843	RST2158		278	1.4	146

WDS 20406-2639 : COMPONENTS

	A
B	pa=152.0° sep=0.04"

20406-2639 A

Componente originario normalizzato	AB	Name	HD 196815	Coord arcsec 2000	204035.89-263842.3	Mag	6.9
Spectral class	F7V (yellow-white)	PmRA	19.00	PmDE	-24.0	SAO	189559
HIP	102032	Tycho2	6929-01467-1	HD	196815	HR	7902
GC	28791	CD	CD-2714959	CP	CP-27 7070

Tycho2

Tycho2	6929-01467-1	Pflag		RAmdeg	310.14956838	DEmdeg	-26.64515081
PmRA	13.1	PmDE	-26.0	E RAmdeg	4	E DEmdeg	5
E pmRA	1.3	E pmDE	1.4	EpRAm	1991.42	EpDEm	1991.00
Num	12	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.7	BTmag	7.217	E BTmag	0.015	VTmag	6.568
E VTmag	0.010	Prox	999	TYC	T	HIP	102032
CCDM		RAdeg	310.14953500	DEdeg	-26.64508917	EpRA 1990	1.77
EpDE 1990	1.44	E RAdeg	3.9	E DEdeg	4.6	Posflg
Corr	-0.1

SAO

SAO	189559	DelFlag		RA1950		PmRA1950	0.0025
DE1950		PmDE1950	-0.015	Vmag	6.4	SpType	G0
Double code		Source	70	CatNum	28791	DM	CD-2714959
DMcomp		BDsup		HD	196815	M HD	0
GC	28791	RA1950rad	5.40006608	DE1950rad	-0.46814725	PmRA2000	0.0024
PmDE2000	-0.017

Hipparcos

Catalog	H	HIP	102032	Proxy		RAhms	20 40 35.89
DEdms	-26 38 42.3	Vmag	6.51	VarFlag		R Vmag	H
RAdeg	310.15	DEdeg	-26.6451	AstroRef		Plx	8.64
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	196815	BD
CD	CD-2714959	CP	CP-27 7070	Dm number	-2714959	VIred	0.66
SpType	G0/G1V	R SpType		Coord arcsec 2000	204035.89-263842.3

Hipparcos 2

HIP	102032	Sn	5	So	0	Nc	1
RArad	5.4131304852	DErad	-0.4650444935	Plx	9.33	PmRA	10.93
PmDE	-23.71	E RArad	0.4	E DErad	0.23	E Plx	0.44
E pmRA	0.56	E pmDE	0.31	Hpmag	6.6346	E Hpmag	0.001
SHp	0.007	VA	0	BV	0.594	E BV	0.007
VI	0.66

CCDM

Ccdm	20406-2639	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.10	DDEs	17.7
R dRAs	81	Year		Theta		Rho
Obs	2	Vmag	6.5	Sp	F7	PmNote	@
PmRA	20	PmDE	-22	Dm number	-2714959	Cat1	CD
Name2	189559	Cat2	SAO	HD	196815	M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	20406-2639A
HIC	102032

20406-2639 B

Componente originario normalizzato	AB		Coord arcsec 2000	204035.89-263842.3		Mag	7.7		Calc delta mag	0.8
Calc coord	yes

CCDM

Ccdm	20406-2639	RComp		Comp	B	Note1
Note2		Discov num	CHR 186	DRAs		DDEs
R dRAs		Year	1992	Theta	325	Rho	0.1
Obs	1	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	20406-2639B
HIC	102032