08307-4518 DON 257

08^h 30^m 43.89^s -45° 18' 05.2" P.A. 129.00 sep 0.5 mag 10.93,10.95

Coord 2000	08307-4518	Discov num	DON 257	Comp		Coord arcsec 2000	08 30 43.89 -45 18 05.2
Date first	1929	Date last	2019	Obs	5
Pa first	159	Pa last	128.6	P.A. Now (θ)	128.6°
Sep first	0.5	Sep last	0.548	Sep. Now (ρ)	0.548"
Mag pri	10.93	Mag sec	10.95	delta mag (ΔM)	0.02	Spectral class
Pri motion ra	-011	Sec motion ra	-011
Pri motion dec	+019	Sec motion dec	+019
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vela

Tycho2

8150-03114-1

WDS 08307-4518 DON 257 : 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
08307-4518	DON 257		1991	3	140	0.7	10.93	10.95			083043.89-451805.2
08307-4518	DON 257		2019	4	129	0.5	10.93	10.95			083043.89-451805.2

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WDS 08307-4518 DON 257 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08307-4518 DON 257 : MEASURES

No records found.

WDS 08307-4518 : VIRTUAL EYEPIECE

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WDS 08307-4518 : ALADIN DSS IMAGE @ 08^h 30^m 43.89^s -45° 18' 05.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08307-4518 DON 257 : 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		08307-4518	DON 257		129	0.5
Show		08319-4524	TDS5910		113	0.6	15
Show		08316-4533	TDS5904		334	0.4	17
Show		08288-4536	TDS5861		230	1.5	28
Show		08338-4524	DON 260		129	1.6	34
Show		08307-4444	I 168		74	3.5	34
Show		08330-4545	HDO 202		221	26.3	37
Show		08295-4443	DUN 70		351	4.7	38
Show		08272-4459	JOD 5		279	0.9	42
Show		08311-4601	DAM1416	CD	272	9.4	43
Show		08311-4601	DAM1416	BC	12	8.3	43
Show		08311-4601	DAM1416	BD	318	11.4	43
Show		08311-4601	TDS5894	AB	347	8.3	44
Show		08311-4601	DAM1416	AC	359	16.6	44
Show		08311-4601	DAM1416	AD	330	19.1	44
Show		08343-4545	DON 262		112	3.4	46
Show		08310-4432	CPO9402		272	11.6	47
Show		08300-4604	SKF 477		54	38.7	47
Show		08351-4514	HU 1440		180	1.3	47
Show		08323-4602	TDS5919		136	0.5	47
Show		08326-4601	TDS5923		123	1.9	48
Show		08352-4541	BRT 737		129	11.6	53
Show		08283-4430	DON 253	AB	13	1.7	54
Show		08283-4430	RSS 162	AC	69	16.2	54
Show		08354-4450	TDS5957		197	1.3	57
Show		08261-4446	TDS5827		244	1.4	60
Show		08364-4528	TDS5973		128	2.7	61
Show		08344-4430	DON 263		12	0.9	63
Show		08357-4553	TDS5962		191	0.4	63
Show		08364-4540	CPO 216		149	5.5	63
Show		08366-4533	TDS5979		88	3.0	64
Show		08362-4548	DON 265		55	3.1	65
Show		08370-4517	HU 1441		30	1.3	67
Show		08346-4426	CPO 214		45	8.9	67
Show		08243-4514	TDS5797		208	2.3	69
Show		08360-4437	TDS5970		126	0.8	70
Show		08291-4410	B 1101		268	0.3	71
Show		08353-4614	DON 264		325	2.1	74
Show		08359-4425	TDS5967		179	2.1	77
Show		08363-4610	DON 266	AB	244	1.3	79
Show		08360-4424	HDS1236		174	0.5	79
Show		08327-4402	TDS5925		83	0.4	80
Show		08244-4601	CPO 204	AB	125	4.1	80
Show		08244-4601	CPO 204	AC	343	6.6	80
Show		08241-4600	DAM 810		55	7.3	81
Show		08342-4632	CPO 213		350	3.9	83
Show		08323-4356	B 1612		138	1.8	84
Show		08249-4418	DAW 194	AB	48	11.6	87
Show		08249-4418	HJ 4091	AC	301	18.4	87
Show		08359-4626	KPP2393		202	20.6	87
Show		08385-4452	CPO 220		173	4.1	87

WDS 08307-4518 : COMPONENTS

	A
B	pa=138.6° sep=0.46"

08307-4518 A

Componente originario normalizzato	AB		Coord arcsec 2000	083043.89-451805.2		Mag	10.93		PmRA	-11.00
PmDE	19.0		Tycho2	8150-03114-1		DM	CD-44 4481

Tycho2

Tycho2	8150-03114-1	Pflag		RAmdeg	127.68296177	DEmdeg	-45.30150928
PmRA	-11.4	PmDE	18.6	E RAmdeg	25	E DEmdeg	25
E pmRA	2.1	E pmDE	2.0	EpRAm	1990.11	EpDEm	1989.83
Num	3	Q RAmdeg	0.7	Q DEmdeg	0.3	Q pmRA	0.7
Q pmDE	0.2	BTmag	10.978	E BTmag	0.045	VTmag	10.347
E VTmag	0.036	Prox	999	TYC	T	HIP
CCDM		RAdeg	127.68299889	DEdeg	-45.30155250	EpRA 1990	1.74
EpDE 1990	1.64	E RAdeg	24.6	E DEdeg	25.3	Posflg	P
Corr	0.0

08307-4518 B

Componente originario normalizzato	AB		Coord arcsec 2000	083043.92-451805.5		Mag	10.95		PmRA	-11.00
PmDE	19.0		Calc delta mag	0.02		Calc coord	yes