15271-2044 DON 734

15^h 27^m 06.22^s -20° 44' 27.1" P.A. 101.00 sep 5.1 mag 8.74,12.80 Sp F7/8V dist. 70.32 pc (229.38 l.y.)

Coord 2000	15271-2044	Discov num	DON 734	Comp		Coord arcsec 2000	15 27 06.22 -20 44 27.1
Date first	1928	Date last	2016	Obs	8
Pa first	103	Pa last	101.4	P.A. Now (θ)	101.4°
Sep first	4.9	Sep last	5.095	Sep. Now (ρ)	5.095"
Mag pri	8.74	Mag sec	12.80	delta mag (ΔM)	4.06	Spectral class	F7/8V (yellow-white)
Pri motion ra	-004	Sec motion ra
Pri motion dec	-089	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Libra	SAO	183479	HIP	75623	Tycho2	6183-00566-1
Gaia DR2	6252875146305695616	HD	137497	BD	BD-20 4237	Distance	70.32
Distance ly	229.38

WDS 15271-2044 DON 734 : 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
15271-2044	DON 734		1999	4	102	4.9	8.40	12.80	F7/8V	D	152706.22-204427.1
15271-2044	DON 734		2010	5	95	4.1	8.74	12.80	F7/8V		152706.22-204427.1
15271-2044	DON 734		2015	6	101	5.1	8.74	12.80	F7/8V		152706.22-204427.1
15271-2044	DON 734		2016	8	101	5.1	8.74	12.80	F7/8V		152706.22-204427.1

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WDS 15271-2044 DON 734 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15271-2044 DON 734 : MEASURES

No records found.

WDS 15271-2044 : VIRTUAL EYEPIECE

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WDS 15271-2044 : ALADIN DSS IMAGE @ 15^h 27^m 06.22^s -20° 44' 27.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15271-2044 DON 734 : 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		15271-2044	DON 734		101	5.1	1
Show		15287-1954	HJ 4775	AB	7	11.5	56
Show		15287-1954	B 1783	BC	88	2.1	57
Show		15226-2043	UC 2991		18	38.0	64
Show		15225-2056	UC 2990		321	16.4	66
Show		15317-2010	S 672		280	11.2	74
Show		15254-2156	HJ 4769	AB	192	9.7	76
Show		15254-2156	B 9024	AC	191	39.7	76
Show		15217-2040	BVD 114		119	21.4	77
Show		15232-1947	B 1782		68	1.5	80
Show		15324-2011	B 2358		206	0.4	83
Show		15213-2020	KPP3044		102	1.4	85
Show		15322-2158	KOU 39		41	0.7	103
Show		15203-1958	HDS2154		53	8.6	106
Show		15233-2224	KPP3955		225	4.6	113
Show		15287-1843	HU 650		338	1.0	124
Show		15258-1841	ARA 428		151	6.6	125
Show		15312-1852	HO 393	AB	290	6.7	127
Show		15312-1852	HO 393	AC	313	167.9	127
Show		15196-2158	ARA1490		90	11.9	129
Show		15250-1837	HJ 1271		102	7.7	132
Show		15275-1833	ARA 429		347	9.8	132
Show		15234-1842	RST2953		257	1.5	134
Show		15367-2030	KPP1748		318	13.5	136
Show		15227-2254	HDS2164		255	0.1	144
Show		15255-2309	ARA1806		229	11.3	147
Show		15293-2312	UC 3011		116	45.0	151
Show		15380-2119	NSN 418		305	3.6	157
Show		15383-2021	B 2786	BC	101	3.5	159
Show		15383-2021	B 2786	AB	336	139.7	160
Show		15249-2322	I 1269	AB	200	0.7	161
Show		15249-2322	I 1269	AC	120	8.9	161
Show		15218-1822	ARA 237		295	14.1	162
Show		15388-2041	ARA1110		37	15.2	165
Show		15384-1955	CHR 48		166	0.3	167
Show		15328-1817	GWP2530		285	17.1	169
Show		15386-2136	OCC9034		31	0.1	169
Show		15344-2300	DON1112		118	9.7	170
Show		15175-2227	UC 2977		245	15.0	170
Show		15311-2326	OCC 147		-1	0.1	171
Show		15230-2326	DON 731		86	4.1	171
Show		15381-2205	B 1789		49	2.5	174
Show		15397-2101	HWE 36		196	2.7	177
Show		15251-2340	RST2957		99	0.1	178
Show		15255-2341	OCC 165		-1	0.1	179
Show		15195-1820	HU 306		84	0.3	181
Show		15348-1820	ARA 239		132	6.3	182
Show		15223-2337	OCC 166		-1	0.1	186
Show		15328-1756	HJ 1273		328	14.5	187
Show		15360-2306	KPP2240		198	18.6	188
Show		15389-1918	HDS2209		109	0.4	188

WDS 15271-2044 : COMPONENTS

	A
B	pa=102.2° sep=4.78"

15271-2044 A

Componente originario normalizzato	AB	Coord arcsec 2000	152706.22-204427.1	Mag	8.74	Spectral class	F7/8V (yellow-white)
PmRA	-4.00	PmDE	-89.0	SAO	183479	HIP	75623
Tycho2	6183-00566-1	HD	137497	BD	BD-20 4237

Tycho2

Tycho2	6183-00566-1	Pflag		RAmdeg	231.77590240	DEmdeg	-20.74105520
PmRA	-10.4	PmDE	-84.4	E RAmdeg	10	E DEmdeg	11
E pmRA	1.4	E pmDE	1.4	EpRAm	1989.56	EpDEm	1989.37
Num	11	Q RAmdeg	0.7	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	1.0	BTmag	9.338	E BTmag	0.023	VTmag	8.744
E VTmag	0.018	Prox	999	TYC	T	HIP	75623
CCDM		RAdeg	231.77592750	DEdeg	-20.74085722	EpRA 1990	1.71
EpDE 1990	1.59	E RAdeg	10.5	E DEdeg	12.1	Posflg
Corr	0.1

SAO

SAO	183479	DelFlag		RA1950		PmRA1950	-0.0006
DE1950		PmDE1950	-0.129	Vmag	8.8	SpType	G0
Double code		Source	23	CatNum	6386	DM	BD-20 4237
DMcomp		BDsup		HD	137497	M HD	0
GC		RA1950rad	4.03263974	DE1950rad	-0.3589551	PmRA2000	-0.0005
PmDE2000	-0.125

Hipparcos

Catalog	H	HIP	75623	Proxy		RAhms	15 27 06.22
DEdms	-20 44 27.1	Vmag	8.66	VarFlag		R Vmag	H
RAdeg	231.776	DEdeg	-20.7409	AstroRef		Plx	11.4
CCDM	15271-2045	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	137497	BD	BD-20 4237
CD		CP		Dm number	-20 4237	VIred	0.52
SpType	F7/F8V	R SpType		Coord arcsec 2000	152706.22-204427.1

Hipparcos 2

HIP	75623	Sn	5	So	0	Nc	1
RArad	4.0452531302	DErad	-0.3619961338	Plx	14.22	PmRA	-10.21
PmDE	-86.46	E RArad	1.28	E DErad	1.02	E Plx	1.57
E pmRA	1.94	E pmDE	1.54	Hpmag	8.7833	E Hpmag	0.0025
SHp	0.015	VA	0	BV	0.583	E BV	0.026
VI	0.65

15271-2044 B

Componente originario normalizzato	AB		Coord arcsec 2000	152706.55-204428.1		Mag	12.8		Calc delta mag	4.06
Calc coord	yes