04490-2224 DON 80

04^h 49^m 01.55^s -22° 24' 20.2" P.A. 337.00 sep 0.7 mag 10.90,13.60 Sp K0

Coord 2000	04490-2224	Discov num	DON 80	Comp		Coord arcsec 2000	04 49 01.55 -22 24 20.2
Date first	1928	Date last	1946	Obs	2
Pa first	330	Pa last	337.1	P.A. Now (θ)	337.1°
Sep first	0.7	Sep last	0.68	Sep. Now (ρ)	0.68"
Mag pri	10.90	Mag sec	13.60	delta mag (ΔM)	2.7	Spectral class	K0 (yellow-orange)
Pri motion ra	-021	Sec motion ra
Pri motion dec	-068	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Eridanus

Tycho2

5911-00503-1

Gaia DR2

2973661671570362752

WDS 04490-2224 DON 80 : 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
04490-2224	DON 80		1946	2	337	0.7	10.90	13.60	K0		044901.55-222420.2

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WDS 04490-2224 DON 80 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04490-2224 DON 80 : MEASURES

No records found.

WDS 04490-2224 : VIRTUAL EYEPIECE

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WDS 04490-2224 : ALADIN DSS IMAGE @ 04^h 49^m 01.55^s -22° 24' 20.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04490-2224 DON 80 : 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		04490-2224	DON 80		337	0.7	1
Show		04512-2213	BRT1378		61	7.8	32
Show		04466-2247	OL 3		52	1.7	41
Show		04455-2226	DON 77		97	0.7	49
Show		04468-2141	DON 78		242	2.0	53
Show		04463-2309	TDS2962		26	1.7	59
Show		04505-2328	BRT1377		93	5.1	67
Show		04462-2128	OL 2		227	4.4	69
Show		04470-2113	DON 79		327	9.2	78
Show		04504-2108	DON 82		47	0.7	79
Show		04547-2206	RST3406		252	0.1	82
Show		04431-2219	B 689		291	0.6	83
Show		04545-2143	ARA1271		200	15.5	86
Show		04493-2059	TDS2978		192	0.6	86
Show		04555-2214	BRT1379		132	3.4	92
Show		04427-2147	LDS3608		113	9.0	97
Show		04478-2049	BU 312		346	3.4	98
Show		04519-2046	UC 1225		132	38.3	107
Show		04434-2113	TDS2946		68	0.7	107
Show		04422-2136	UC 1204		293	16.5	107
Show		04549-2110	SKF2472		152	69.4	111
Show		04410-2223	SKF2471		256	39.0	111
Show		04532-2046	HJ 3700		349	26.2	115
Show		04519-2414	UC 1226		238	12.7	117
Show		04486-2026	ARA 840		117	1.4	119
Show		04574-2300	NSC 21		317	17.0	122
Show		04577-2157	KPP1105		202	8.8	125
Show		04507-2427	BRT2855		10	3.2	125
Show		04425-2058	DON 75		88	0.2	125
Show		04518-2025	ARA 841		200	10.5	127
Show		04580-2248	I 473		238	0.9	127
Show		04410-2329	BRT1376		276	4.9	128
Show		04577-2132	SPM 14		287	19.0	131
Show		04539-2032	HDS 633		149	0.2	132
Show		04441-2027	TDS2952		125	1.5	136
Show		04590-2239	RST3408		216	4.1	139
Show		04421-2045	ARA 839		337	7.0	139
Show		04544-2027	ARA 842		36	5.9	140
Show		04421-2039	SHN 91		-1	0.2	144
Show		04396-2115	BU 1236	AB	95	1.5	149
Show		04396-2115	BU 1236	AC	314	39.9	149
Show		04575-2358	LDS3630		291	3.0	150
Show		04432-2430	HU 1374		262	0.5	150
Show		04384-2154	DON 74		314	0.7	151
Show		05001-2229	KPP2709		4	1.9	154
Show		04467-1946	UC 1213	AB	182	36.4	162
Show		04372-2319	RST2351		7	1.4	172
Show		04522-2512	BRT2857		84	5.6	173
Show		04563-2003	DON 85		313	1.2	175
Show		04535-2509	HJ 3702		232	15.1	177
Show		05001-2359	KPP2708		215	1.3	179

WDS 04490-2224 : COMPONENTS

	A
B	pa=338.7° sep=0.67"

04490-2224 A

Componente originario normalizzato	AB		Coord arcsec 2000	044901.55-222420.2		Mag	10.9		Spectral class	K0 (yellow-orange)
PmRA	-21.00		PmDE	-68.0		Tycho2	5911-00503-1		DM	BD-22 919

Tycho2

Tycho2	5911-00503-1	Pflag		RAmdeg	72.25645893	DEmdeg	-22.40563787
PmRA	-16.5	PmDE	-61.9	E RAmdeg	30	E DEmdeg	32
E pmRA	2.0	E pmDE	2.1	EpRAm	1982.31	EpDEm	1985.18
Num	7	Q RAmdeg	1.3	Q DEmdeg	0.3	Q pmRA	1.2
Q pmDE	0.3	BTmag	11.763	E BTmag	0.070	VTmag	10.842
E VTmag	0.055	Prox	285	TYC	T	HIP
CCDM		RAdeg	72.25650528	DEdeg	-22.40549611	EpRA 1990	1.86
EpDE 1990	1.77	E RAdeg	39.3	E DEdeg	37.2	Posflg
Corr	0.1

CCDM

Ccdm	04490-2224	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.61	DDEs	-22.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp	K0	PmNote	*
PmRA	4	PmDE	-82	Dm number	-22 919	Cat1	BD
Name2	169789	Cat2	SAO	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	04448S2235A
HIC

04490-2224 B

Componente originario normalizzato	AB		Coord arcsec 2000	044901.53-222419.6		Mag	13.6		Calc delta mag	2.7
Calc coord	yes

CCDM

Ccdm	04490-2224	RComp		Comp	B	Note1
Note2		Discov num	DON 80	DRAs		DDEs
R dRAs		Year	1928	Theta	334	Rho	0.7
Obs	2	Vmag	12.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	04448S2235B
HIC