07209-2039 DON 170 AB

07^h 20^m 54.14^s -20° 38' 56.6" P.A. 286.00 sep 2.2 mag 7.00,13.00 Sp A7IV dist. 130.89 pc (426.96 l.y.)

Coord 2000	07209-2039	Discov num	DON 170	Comp	AB	Coord arcsec 2000	07 20 54.14 -20 38 56.6
Date first	1933	Date last	1941	Obs	2
Pa first	282	Pa last	285.5	P.A. Now (θ)	285.5°
Sep first	2.3	Sep last	2.17	Sep. Now (ρ)	2.17"
Mag pri	7.00	Mag sec	13.00	delta mag (ΔM)	6	Spectral class	A7IV (white)
Pri motion ra	-020	Sec motion ra
Pri motion dec	-007	Sec motion dec
Notes	W

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Canis Major		SAO	173515		HIP	35610		Tycho2	5978-03676-1
HD	57544		BD	BD-20 1869		Distance	130.89		Distance ly	426.96

WDS 07209-2039 DON 170 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07209-2039	DON 170	AB	1941	2	286	2.2	7.00	13.00	A7IV	W	072054.14-203856.6

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WDS 07209-2039 DON 170 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 07209-2039 DON 170 AB : MEASURES

No records found.

WDS 07209-2039 : VIRTUAL EYEPIECE

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WDS 07209-2039 : ALADIN DSS IMAGE @ 07^h 20^m 54.14^s -20° 38' 56.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 07209-2039 DON 170 AB : 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		07209-2039	DON 170	AB	286	2.2	1
Show		07211-2039	ARA 910		202	12.6	4
Show		07207-2030	ARA 909		78	11.7	9
Show		07203-2045	BRT1405		206	4.7	11
Show		07221-2031	TDS4742	AB	114	2.1	19
Show		07221-2031	ARA 912	AC	356	7.1	19
Show		07215-2056	ARA 911		81	12.5	20
Show		07224-2050	ARA 915		170	9.5	25
Show		07222-2058	ARA 914		197	9.1	27
Show		07222-2016	DON 176		58	1.6	28
Show		07205-2009	ARA 577		315	14.2	30
Show		07187-2037	BRT 314		119	4.8	31
Show		07221-2109	ARA 913		51	10.0	36
Show		07197-2005	BRT1403		202	4.9	39
Show		07183-2053	ARA 906		274	12.1	39
Show		07221-2004	B 1972		33	0.9	39
Show		07227-2109	HO 521		208	2.3	39
Show		07227-2110	HO 626		109	1.0	41
Show		07237-2024	ARA 916		4	14.1	42
Show		07197-2117	ARA1331		226	8.6	42
Show		07218-1958	TDS4738		123	0.6	43
Show		07183-2103	ARA 905		238	9.4	44
Show		07187-2009	ARA 574		62	6.5	44
Show		07186-2011	ARA 572		215	12.2	44
Show		07183-2013	TDS 352		57	1.4	46
Show		07239-2023	ARA 918		104	11.9	46
Show		07219-1955	ARA 580		40	7.4	46
Show		07239-2020	ARA 917		152	13.1	46
Show		07211-1953	TDS 359		114	1.3	47
Show		07188-2003	ARA 575		33	14.1	47
Show		07242-2050	ARA 920		263	13.5	49
Show		07242-2054	ARA 921		106	10.2	50
Show		07241-2018	ARA 919		160	13.7	50
Show		07172-2039	TDS4676		289	1.0	53
Show		07182-2118	TDS4691		7	1.4	55
Show		07228-2127	TDS4752		88	0.5	55
Show		07214-1944	LV 4		311	2.1	56
Show		07179-2118	TVB 162		262	19.0	58
Show		07248-2019	ARA 922		132	14.4	58
Show		07240-2117	ARA1335		286	17.1	58
Show		07194-2135	ARA1330		234	8.1	61
Show		07214-1938	ARA 579		79	13.8	61
Show		07237-2125	TDS4764		119	0.5	61
Show		07247-2109	ARA 923		56	6.8	62
Show		07250-2101	HJ 3964		347	4.5	62
Show		07188-2134	ARA1328		214	10.6	63
Show		07194-2139	KPP1940		95	15.3	64
Show		07239-2128	TDS 367		150	1.9	65
Show		07163-2038	ARA 904		112	5.2	65
Show		07169-2112	TDS4668		228	2.5	65
Show		07163-2025	TDS4654		53	1.7	66

WDS 07209-2039 : COMPONENTS

	A
B	pa=286.5° sep=2.04"

07209-2039 A

Coord arcsec 2000	072054.14-203856.6	Mag	7	Spectral class	A7IV (white)	PmRA	-20.00
PmDE	-7.0	SAO	173515	HIP	35610	Tycho2	5978-03676-1
HD	57544	BD	BD-20 1869

Tycho2

Tycho2	5978-03676-1	Pflag		RAmdeg	110.22553324	DEmdeg	-20.64908369
PmRA	-14.2	PmDE	-6.9	E RAmdeg	4	E DEmdeg	4
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.46	EpDEm	1991.43
Num	9	Q RAmdeg	0.5	Q DEmdeg	1.0	Q pmRA	0.6
Q pmDE	1.0	BTmag	7.410	E BTmag	0.015	VTmag	7.191
E VTmag	0.010	Prox	999	TYC	T	HIP	35610
CCDM		RAdeg	110.22556806	DEdeg	-20.64906778	EpRA 1990	1.71
EpDE 1990	1.68	E RAdeg	4.2	E DEdeg	4.2	Posflg
Corr	0.2

SAO

SAO	173515	DelFlag		RA1950		PmRA1950	-0.002
DE1950		PmDE1950	-0.031	Vmag	8.2	SpType	A3
Double code		Source	23	CatNum	2912	DM	BD-20 1869
DMcomp		BDsup		HD	57544	M HD	0
GC		RA1950rad	1.91433768	DE1950rad	-0.35873684	PmRA2000	-0.0016
PmDE2000	-0.028

Hipparcos

Catalog	H	HIP	35610	Proxy		RAhms	07 20 54.14
DEdms	-20 38 56.6	Vmag	7.17	VarFlag		R Vmag	H
RAdeg	110.226	DEdeg	-20.6491	AstroRef		Plx	8.99
CCDM	07209-2039	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	57544	BD	BD-20 1869
CD		CP		Dm number	-20 1869	VIred	0.17
SpType	A7IV	R SpType		Coord arcsec 2000	072054.14-203856.6

Hipparcos 2

HIP	35610	Sn	5	So	0	Nc	1
RArad	1.9237991392	DErad	-0.3603942297	Plx	7.64	PmRA	-15.62
PmDE	-3.96	E RArad	0.42	E DErad	0.49	E Plx	0.65
E pmRA	0.58	E pmDE	0.69	Hpmag	7.2317	E Hpmag	0.0012
SHp	0.013	VA	0	BV	0.208	E BV	0.008
VI	0.23

CCDM

Ccdm	07209-2039	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.06	DDEs	1.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.5	Sp	A3	PmNote	*
PmRA	-28	PmDE	-31	Dm number	-20 1869	Cat1	BD
Name2	173515	Cat2	SAO	HD	57544	M HD
ADS BDS		M ADS BDS		N IDS		IDS	07166S2028A
HIC	35610

07209-2039 B

Coord arcsec 2000

072054.00-203856.0

Mag

Calc delta mag

Calc coord

yes

CCDM

Ccdm	07209-2039	RComp		Comp	B	Note1
Note2		Discov num	DON 170	DRAs		DDEs
R dRAs		Year	1933	Theta	283	Rho	2.3
Obs	2	Vmag	13.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	07166S2028B
HIC	35610