08315-4227 DON 258 (HD 72481)

08^h 31^m 30.63^s -42° 26' 42.5" P.A. 62.00 sep 1.3 mag 10.28,11.50 Sp A9V

Coord 2000	08315-4227	Discov num	DON 258	Comp		Coord arcsec 2000	08 31 30.63 -42 26 42.5
Date first	1929	Date last	2016	Obs	5
Pa first	64	Pa last	61.5	P.A. Now (θ)	61.5°
Sep first	1.0	Sep last	1.271	Sep. Now (ρ)	1.271"
Mag pri	10.28	Mag sec	11.50	delta mag (ΔM)	1.22	Spectral class	A9V (white)
Pri motion ra	-017	Sec motion ra
Pri motion dec	-002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 72481		Constellation	Vela		SAO	220044		Tycho2	7670-00715-1
Gaia DR2	5526587311736536704		HD	72481		DM	CP-42 2621

WDS 08315-4227 DON 258 (HD 72481) : 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
08315-4227	DON 258		1947	2	63	1.2	10.28	11.50	A9V		083130.63-422642.5
08315-4227	DON 258		2015	4	62	1.3	10.28	11.50	A9V		083130.63-422642.5
08315-4227	DON 258		2016	5	62	1.3	10.28	11.50	A9V		083130.63-422642.5

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WDS 08315-4227 DON 258 (HD 72481) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08315-4227 DON 258 (HD 72481) : MEASURES

No records found.

WDS 08315-4227 (HD 72481) : VIRTUAL EYEPIECE

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WDS 08315-4227 (HD 72481) : ALADIN DSS IMAGE @ 08^h 31^m 30.63^s -42° 26' 42.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08315-4227 DON 258 (HD 72481) : 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		08315-4227	DON 258		62	1.3
Show		08328-4236	TDS5926		230	0.5	18
Show		08310-4209	TDS5891		109	2.0	19
Show		08335-4216	TDS 477		20	0.9	25
Show		08300-4209	TDS5879		16	0.7	25
Show		08293-4225	CPO 209		44	3.5	25
Show		08318-4202	B 1610		30	1.9	25
Show		08289-4235	HJ 4102		283	68.1	31
Show		08289-4237	DON 255		202	1.1	31
Show		08298-4155	SKF1838		146	14.9	37
Show		08328-4153	HDS1222		222	0.1	37
Show		08299-4154	TDS 472		190	2.3	38
Show		08336-4259	KPP2523		328	22.8	41
Show		08348-4246	KPP2287		31	19.3	42
Show		08307-4309	DON 256		233	2.7	44
Show		08307-4311	RST4889	AB	243	0.9	45
Show		08307-4311	DAM1415	AB,C	166	5.5	45
Show		08303-4310	HU 1439		121	3.1	46
Show		08269-4239	DON 250		350	4.2	53
Show		08282-4147	TDS5849		85	0.9	55
Show		08308-4131	RST2563	BC	323	2.4	57
Show		08308-4131	I 313	AB	214	3.6	57
Show		08308-4131	I 313	AD	260	31.6	57
Show		08366-4235	TDS5978		3	2.0	57
Show		08265-4202	RST2555		349	0.4	61
Show		08263-4208	HDS1201		301	0.4	62
Show		08258-4223	RST2554		57	0.4	64
Show		08375-4221	RST2573		234	5.1	67
Show		08258-4156	CPO 205		53	5.7	71
Show		08258-4155	RST2553		207	0.5	71
Show		08325-4116	WG 100		85	9.3	72
Show		08372-4147	CPO 218		175	6.9	75
Show		08250-4246	CHR 226	Ba,Bb	103	0.0	75
Show		08250-4246	RST4888	AB	102	0.5	75
Show		08362-4324	CPO9090	AB	66	6.6	77
Show		08362-4324	CPO9090	AC	77	11.5	77
Show		08356-4330	WFC 70		6	7.2	78
Show		08378-4303	TOI 601		352	0.2	79
Show		08260-4318	DON 249	AB	212	25.4	80
Show		08260-4318	DON 249	BC	253	2.3	80
Show		08322-4108	WG 99		249	5.4	80
Show		08280-4115	COO 71	AB	104	8.2	82
Show		08280-4115	I 9006	AC	62	33.4	82
Show		08280-4115	DAM 18	CD	342	5.7	82
Show		08343-4111	KPP3751		149	2.8	83
Show		08279-4116	CPO 208		237	3.4	83
Show		08350-4341	B 1616		93	0.3	84
Show		08242-4246	TDS 466		221	1.6	84
Show		08374-4135	RST2572		310	2.8	84
Show		08339-4348	DAM 727	AB	247	19.9	86
Show		08339-4348	CPO 212	BC	175	8.7	86

WDS 08315-4227 : COMPONENTS

	A
B	pa=53.7° sep=1.02"

08315-4227 A

Componente originario normalizzato	AB	Name	HD 72481	Coord arcsec 2000	083130.63-422642.5	Mag	10.28
Spectral class	A9V (white)	PmRA	-17.00	PmDE	-2.0	SAO	220044
Tycho2	7670-00715-1	HD	72481	DM	CP-42 2621

Tycho2

Tycho2	7670-00715-1	Pflag		RAmdeg	127.87765646	DEmdeg	-42.44516510
PmRA	-18.9	PmDE	4.6	E RAmdeg	20	E DEmdeg	19
E pmRA	1.5	E pmDE	1.2	EpRAm	1988.33	EpDEm	1984.91
Num	7	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.7
Q pmDE	1.0	BTmag	10.509	E BTmag	0.032	VTmag	10.285
E VTmag	0.036	Prox	999	TYC	T	HIP
CCDM		RAdeg	127.87771028	DEdeg	-42.44517694	EpRA 1990	1.56
EpDE 1990	1.66	E RAdeg	21.4	E DEdeg	20.7	Posflg
Corr	-0.2

SAO

SAO	220044	DelFlag		RA1950		PmRA1950	-0.0023
DE1950		PmDE1950	0.005	Vmag	10.9	SpType	F0
Double code		Source	48	CatNum	6049	DM	CP-42 2621
DMcomp		BDsup		HD	72481	M HD	0
GC		RA1950rad	2.22421574	DE1950rad	-0.73783949	PmRA2000	-0.0017
PmDE2000	0.007

CCDM

Ccdm	08315-4227	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.57	DDEs	17.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp	F0	PmNote	*
PmRA	-26	PmDE	5	Dm number	-42 4340	Cat1	CD
Name2	220044	Cat2	SAO	HD	72481	M HD
ADS BDS		M ADS BDS		N IDS		IDS	08280S4206A
HIC

08315-4227 B

Componente originario normalizzato	AB		Coord arcsec 2000	083130.70-422641.9		Mag	11.5		Calc delta mag	1.22
Calc coord	yes

CCDM

Ccdm	08315-4227	RComp		Comp	B	Note1
Note2		Discov num	DON 258	DRAs		DDEs
R dRAs		Year	1929	Theta	064	Rho	1.0
Obs	2	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	08280S4206B
HIC