09031-4522 DON 312 (HD 77812)

09^h 03^m 07.88^s -45° 22' 24.5" P.A. 316.00 sep 0.4 mag 9.57,9.91 Sp A0IV/V

Coord 2000	09031-4522	Discov num	DON 312	Comp		Coord arcsec 2000	09 03 07.88 -45 22 24.5
Date first	1929	Date last	1991	Obs	3
Pa first	301	Pa last	316.2	P.A. Now (θ)	316.2°
Sep first	0.4	Sep last	0.4	Sep. Now (ρ)	0.4"
Mag pri	9.57	Mag sec	9.91	delta mag (ΔM)	0.34	Spectral class	A0IV/V (white)
Pri motion ra	-007	Sec motion ra	-007
Pri motion dec	+005	Sec motion dec	+005
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 77812		Constellation	Vela		SAO	220782		Tycho2	8165-00890-1
Gaia DR2	5330869259831649920		HD	77812

WDS 09031-4522 DON 312 (HD 77812) : 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
09031-4522	DON 312		1991	3	316	0.4	9.57	9.91	A0IV/V		090307.88-452224.5

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

WDS 09031-4522 DON 312 (HD 77812) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 09031-4522 DON 312 (HD 77812) : MEASURES

No records found.

WDS 09031-4522 (HD 77812) : 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 09031-4522 (HD 77812) : ALADIN DSS IMAGE @ 09^h 03^m 07.88^s -45° 22' 24.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 09031-4522 DON 312 (HD 77812) : 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		09031-4522	DON 312		316	0.4	1
Show		09025-4513	DON 311		70	1.6	12
Show		09057-4533	SKF 138		349	2.3	29
Show		09057-4510	HDS1322		238	0.2	30
Show		09023-4450	REP 14		269	1.5	34
Show		09048-4552	HDS1316		248	18.0	34
Show		09059-4458	TDS6313		209	2.4	38
Show		09066-4459	BRT 759		207	3.7	44
Show		09020-4612	TDS6257		33	0.6	51
Show		09046-4431	CPO9113		33	3.5	54
Show		09044-4424	TDS6291		164	2.5	61
Show		09025-4625	TDS6263	Aa,Ab	315	0.4	63
Show		09025-4625	CPO 248	AB	226	6.0	63
Show		09053-4621	B 1110		307	3.0	63
Show		09077-4438	I 492		138	0.3	66
Show		09021-4627	DON 310		52	4.5	66
Show		09096-4532	B 1114		79	2.2	69
Show		09015-4415	HU 1453		175	4.1	70
Show		08570-4552	DON 302		161	1.5	71
Show		08583-4612	SKF 92		97	15.4	71
Show		08577-4605	CPO 244		297	3.8	72
Show		08568-4551	DON 301		222	1.7	73
Show		09080-4615	CPO 251	AB	217	4.9	74
Show		09080-4615	SHT 13	AC	213	12.6	74
Show		09080-4615	SHT 13	AD	69	25.1	74
Show		08567-4552	DAM1510		223	2.0	74
Show		09090-4442	CTI4839		135	4.6	75
Show		08579-4613	BRT 756	AB	226	4.4	75
Show		08579-4613	SKF 144	AC	21	7.6	75
Show		09093-4441	DAM 492		208	5.0	78
Show		08588-4419	TDS6233		150	0.6	79
Show		09095-4441	DON 319		18	2.6	80
Show		09008-4638	SKF 145		53	6.1	80
Show		09096-4441	DAM1554		7	4.1	81
Show		09077-4628	DON 316		277	2.5	81
Show		09109-4519	HJ 4186		282	9.0	82
Show		08566-4608	DON 300		91	4.5	83
Show		09077-4415	DON 315		255	0.9	83
Show		08553-4503	HJ 4153		131	33.3	85
Show		08546-4529	TDS6177	AB	324	0.7	91
Show		08546-4529	DAM1506	AB,C	20	1.9	91
Show		09023-4656	SKF 93		302	3.1	95
Show		09028-4658	RST 369		5	2.3	96
Show		09078-4645	DAM1543		95	1.9	96
Show		08540-4527	TDS6173		96	1.1	96
Show		09074-4357	B 1646	AB	265	0.0	97
Show		09074-4357	HJ 4180	AB,C	128	22.1	97
Show		09077-4648	TDS6334		44	0.5	98
Show		08555-4622	TDS6188		173	2.8	100
Show		08565-4411	TDS6203		177	1.7	101
Show		08535-4518	DON 294		85	0.6	102

WDS 09031-4522 : COMPONENTS

	A
B	pa=326.0° sep=0.35"

09031-4522 A

Componente originario normalizzato	AB	Name	HD 77812	Coord arcsec 2000	090307.88-452224.5	Mag	9.57
Spectral class	A0IV/V (white)	PmRA	-7.00	PmDE	5.0	SAO	220782
Tycho2	8165-00890-1	HD	77812	DM	CD-44 5072

Tycho2

Tycho2	8165-00890-1	Pflag		RAmdeg	135.78279701	DEmdeg	-45.37345494
PmRA	-7.4	PmDE	5.4	E RAmdeg	8	E DEmdeg	8
E pmRA	1.1	E pmDE	1.0	EpRAm	1990.55	EpDEm	1990.33
Num	8	Q RAmdeg	0.6	Q DEmdeg	0.8	Q pmRA	0.6
Q pmDE	0.7	BTmag	9.176	E BTmag	0.017	VTmag	9.068
E VTmag	0.016	Prox	999	TYC	T	HIP
CCDM		RAdeg	135.78282167	DEdeg	-45.37346750	EpRA 1990	1.71
EpDE 1990	1.71	E RAdeg	7.7	E DEdeg	7.7	Posflg
Corr	0.0

SAO

SAO	220782	DelFlag		RA1950		PmRA1950	-0.002
DE1950		PmDE1950	-0.008	Vmag	9.4	SpType	A0
Double code		Source	48	CatNum	6912	DM	CP-44 3352
DMcomp		BDsup		HD	77812	M HD	0
GC		RA1950rad	2.36210996	DE1950rad	-0.78844924	PmRA2000	-0.0015
PmDE2000	-0.006

CCDM

Ccdm	09031-4522	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.74	DDEs	-25.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.8	Sp	A0	PmNote	*
PmRA	-21	PmDE	-8	Dm number	-44 5072	Cat1	CD
Name2	220782	Cat2	SAO	HD	77812	M HD
ADS BDS		M ADS BDS		N IDS		IDS	08596S4459A
HIC

09031-4522 B

Componente originario normalizzato	AB		Coord arcsec 2000	090307.86-452224.2		Mag	9.91		PmRA	-7.00
PmDE	5.0		Calc delta mag	0.34		Calc coord	yes

CCDM

Ccdm	09031-4522	RComp		Comp	B	Note1
Note2		Discov num	DON 312	DRAs		DDEs
R dRAs		Year	1929	Theta	301	Rho	0.5
Obs	2	Vmag	10.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	08596S4459B
HIC