15444-4227 DON 754

15^h 44^m 24.99^s -42° 27' 17.4" P.A. 250.00 sep 2.3 mag 10.61,15.00 Sp F5

Coord 2000	15444-4227	Discov num	DON 754	Comp		Coord arcsec 2000	15 44 24.99 -42 27 17.4
Date first	1931	Date last	2016	Obs	4
Pa first	249	Pa last	249.9	P.A. Now (θ)	249.9°
Sep first	1.8	Sep last	2.312	Sep. Now (ρ)	2.312"
Mag pri	10.61	Mag sec	15.00	delta mag (ΔM)	4.39	Spectral class	F5 (yellow-white)
Pri motion ra	-017	Sec motion ra
Pri motion dec	-025	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lupus

Tycho2

7845-00883-1

Gaia DR2

5989746105238275328

WDS 15444-4227 DON 754 : 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
15444-4227	DON 754		1941	2	252	1.8	10.61	15.00	F5		154424.99-422717.4
15444-4227	DON 754		2015	3	250	2.3	10.61	15.00	F5		154424.99-422717.4
15444-4227	DON 754		2016	4	250	2.3	10.61	15.00	F5		154424.99-422717.4

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

WDS 15444-4227 DON 754 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15444-4227 DON 754 : MEASURES

No records found.

WDS 15444-4227 : VIRTUAL EYEPIECE

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WDS 15444-4227 : ALADIN DSS IMAGE @ 15^h 44^m 24.99^s -42° 27' 17.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15444-4227 DON 754 : 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		15444-4227	DON 754		250	2.3
Show		15435-4244	TDS9601		97	0.7	20
Show		15456-4250	I 1275		184	0.9	26
Show		15418-4225	CPO 440		235	43.3	30
Show		15474-4235	HJ 4802		283	5.0	34
Show		15444-4149	HWE 79		338	3.7	39
Show		15408-4230	I 1273		316	1.4	41
Show		15434-4144	B 1303		127	1.6	45
Show		15484-4237	JNN 210	AB	159	3.4	46
Show		15484-4237	JNN 210	AC	267	1.8	46
Show		15484-4237	JNN 210	AD	70	4.3	46
Show		15467-4314	I 1276		324	0.2	54
Show		15457-4330	TSN 174		335	0.2	65
Show		15492-4147	HDS2228		312	0.3	67
Show		15495-4145	DAW 67		168	2.1	71
Show		15381-4234	HDO 250		30	11.8	71
Show		15511-4224	HJ 4811		62	8.7	74
Show		15505-4156	RST3927		44	0.3	75
Show		15417-4112	SKF1018		266	82.7	82
Show		15387-4132	B 2363		231	2.9	85
Show		15432-4102	RST1859		43	7.9	87
Show		15388-4128	CPO 437		305	5.2	87
Show		15386-4328	KPP 349		338	3.3	88
Show		15367-4208	TOK 408	Ca,Cb	304	0.0	88
Show		15367-4208	HDS2196	AB	250	4.3	89
Show		15367-4208	HRG 119	AC	184	13.5	89
Show		15367-4208	SHY 277	AD	139	999.9	89
Show		15367-4208	SKF1399	AE	350	151.9	89
Show		15367-4208	SKF1399	AF	26	262.5	89
Show		15382-4133	HRG 120		354	14.7	89
Show		15367-4208	SKF1399	EF	59	167.6	90
Show		15445-4357	DON 755		288	0.6	90
Show		15520-4306	DON 765		216	0.6	92
Show		15374-4320	B 1300		123	0.2	94
Show		15535-4216	CVN 54	AB	59	4.8	101
Show		15535-4216	CVN 54	AC	196	5.2	101
Show		15535-4216	CVN 54	AD	248	5.9	101
Show		15535-4216	CVN 54	AE	55	7.7	101
Show		15535-4216	CVN 54	AF	128	9.1	101
Show		15371-4128	CPO 434		129	6.6	101
Show		15515-4331	SKF1401		293	285.5	101
Show		15449-4409	TDS9610		154	0.5	103
Show		15352-4201	RST1845		25	0.8	106
Show		15416-4409	LDS 536		109	16.1	107
Show		15346-4237	B 1298		216	3.0	109
Show		15469-4415	I 245		332	0.8	111
Show		15362-4124	CPO 433	AB	6	4.7	112
Show		15362-4124	RST1849	BC	248	1.2	112
Show		15508-4354	I 1582	AB	340	0.4	112
Show		15508-4354	I 1582	AC	337	11.8	112
Show		15538-4311	SKF1402		257	10.8	113

WDS 15444-4227 : COMPONENTS

	A
B	pa=243.6° sep=1.79"

15444-4227 A

Componente originario normalizzato	AB		Coord arcsec 2000	154424.99-422717.4		Mag	10.61		Spectral class	F5 (yellow-white)
PmRA	-17.00		PmDE	-25.0		Tycho2	7845-00883-1

Tycho2

Tycho2	7845-00883-1	Pflag		RAmdeg	236.10415114	DEmdeg	-42.45485352
PmRA	-8.9	PmDE	-27.8	E RAmdeg	32	E DEmdeg	35
E pmRA	2.1	E pmDE	1.9	EpRAm	1988.97	EpDEm	1987.59
Num	3	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.8
Q pmDE	1.1	BTmag	11.284	E BTmag	0.060	VTmag	10.614
E VTmag	0.049	Prox	999	TYC	T	HIP
CCDM		RAdeg	236.10417917	DEdeg	-42.45478778	EpRA 1990	1.64
EpDE 1990	1.47	E RAdeg	32.0	E DEdeg	36.2	Posflg
Corr	0.1

15444-4227 B

Componente originario normalizzato	AB		Coord arcsec 2000	154424.85-422718.2		Mag	15		Calc delta mag	4.39
Calc coord	yes