15387-3908 HDO 251

15^h 38^m 42.17^s -39° 07' 39.9" P.A. 45.00 sep 10.5 mag 6.07,14.00 Sp A3-5m dist. 146.84 pc (478.99 l.y.)

Coord 2000	15387-3908	Discov num	HDO 251	Comp		Coord arcsec 2000	15 38 42.17 -39 07 39.9
Date first	1923	Date last	2015	Obs	3
Pa first	51	Pa last	45.4	P.A. Now (θ)	45.4°
Sep first	10.9	Sep last	10.467	Sep. Now (ρ)	10.467"
Mag pri	6.07	Mag sec	14.00	delta mag (ΔM)	7.93	Spectral class	A3-5m (white)
Pri motion ra	+014	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Lupus	SAO	206827	HIP	76608	Tycho2	7836-01670-1
Gaia DR2	6009052704783323776	HD	139271	HR	5807	GC	21015
CD	CD-3810536	Distance	146.84	Distance ly	478.99

WDS 15387-3908 HDO 251 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HdO1882a	Mb -	Harvard Obs.	1882AnHar..13...17.
HdO1882a		Harvard Ann. 13, 17, 1882
HdO1882b	Ma j	Harvard Obs. (measure by Alden, G.I.)	1882AnHar..13...17.
HdO1882b		Harvard Ann. 13, 17, 1882
HdO1882c	Ma -	Harvard Obs. (measure by Davis, W.M.)	1882AnHar..13...17.
HdO1882c		Harvard Ann. 13, 17, 1882
HdO1906A	Ma -	Harvard Obs.	1906QB821.B972.....
HdO1906A		cited in BDS (Burnham Double Star Cat., 1906)
HdO9999	Ma -	Harvard Obs.	...................
HdO9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15387-3908	HDO 251		1999	2	46	10.5	6.00	14.00	A3-5m	D	153842.17-390739.9
15387-3908	HDO 251		2015	3	45	10.5	6.07	14.00	A3-5m		153842.17-390739.9

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WDS 15387-3908 HDO 251 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15387-3908 HDO 251 : MEASURES

No records found.

WDS 15387-3908 : VIRTUAL EYEPIECE

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WDS 15387-3908 : ALADIN DSS IMAGE @ 15^h 38^m 42.17^s -39° 07' 39.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15387-3908 HDO 251 : 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		15387-3908	HDO 251		45	10.5
Show		15403-3847	I 1581		348	3.0	28
Show		15363-3851	B 1299		157	0.4	34
Show		15382-3957	B 1301		11	1.5	50
Show		15440-3906	SHY 682	CD	356	999.9	57
Show		15411-3959	I 89		169	1.5	59
Show		15369-3811	HDS2198		186	0.5	61
Show		15440-3906	B 1304	AB	209	2.2	62
Show		15440-3906	SHY 684	AC	323	604.5	62
Show		15438-3928	SEE 247	AB	285	12.7	63
Show		15438-3928	SKF2047	AC	132	114.3	63
Show		15343-3945	HDS2186		246	11.6	64
Show		15412-3806	RST2974		234	1.2	69
Show		15332-3817	JSP 663		237	1.5	83
Show		15450-3825	RST1860		123	4.0	86
Show		15314-3858	B 1295		301	0.8	86
Show		15452-3819	SKF 261	AB	327	4.4	91
Show		15452-3819	LDS 539	AC	258	10.2	91
Show		15462-3950	RST1863		1	0.7	97
Show		15306-3830	JNN 206	AB	4	3.2	103
Show		15306-3830	JNN 206	AC	89	4.4	103
Show		15368-3717	RST2968		79	0.9	114
Show		15293-3838	SKF2041		48	38.0	114
Show		15434-3727	ALD 56		217	1.7	115
Show		15479-3816	JNN 209		12	1.2	120
Show		15454-3738	B 846		186	0.4	120
Show		15284-3903	RST1841		123	2.3	120
Show		15489-3923	HRG 122		146	14.1	120
Show		15319-3738	UC 3023		285	52.6	120
Show		15326-4047	KPP1148		310	8.9	122
Show		15294-4010	JNN 204	AB	37	3.0	125
Show		15294-4010	JNN 204	AC	64	4.3	125
Show		15432-4102	RST1859		43	7.9	126
Show		15475-3755	SEE 249	AB	132	14.5	127
Show		15475-3755	SEE 249	AC	81	25.4	127
Show		15351-4110	HJ 4786	AB	275	0.8	129
Show		15351-4110	RIZ 15	AC	210	39.1	129
Show		15351-4110	RIZ 15	AD	292	53.4	129
Show		15417-4112	SKF1018		266	82.7	130
Show		15497-3925	RST1865		83	0.4	130
Show		15497-3847	JNN 212	AB	197	2.2	130
Show		15497-3847	JNN 212	AC	174	3.5	130
Show		15295-4031	RST1842		252	2.6	135
Show		15304-3734	JSP 929		71	5.4	136
Show		15362-4124	RST1849	BC	248	1.2	140
Show		15362-4124	CPO 433	AB	6	4.7	140
Show		15388-4128	CPO 437		305	5.2	140
Show		15289-3747	SWR 174		256	5.7	141
Show		15371-4128	CPO 434		129	6.6	142
Show		15387-4132	B 2363		231	2.9	145
Show		15382-4133	HRG 120		354	14.7	145

WDS 15387-3908 : COMPONENTS

	A
B	pa=38.2° sep=9.35"

15387-3908 A

Componente originario normalizzato	AB	Coord arcsec 2000	153842.17-390739.9	Mag	6.07	Spectral class	A3 (white)
PmRA	14.00	PmDE	2.0	SAO	206827	HIP	76608
Tycho2	7836-01670-1	HD	139271	HR	5807	GC	21015
CD	CD-3810536

Tycho2

Tycho2	7836-01670-1	Pflag		RAmdeg	234.67574513	DEmdeg	-39.12773828
PmRA	13.1	PmDE	3.2	E RAmdeg	4	E DEmdeg	4
E pmRA	1.2	E pmDE	1.2	EpRAm	1991.39	EpDEm	1991.13
Num	14	Q RAmdeg	1.0	Q DEmdeg	0.5	Q pmRA	1.0
Q pmDE	0.7	BTmag	6.292	E BTmag	0.014	VTmag	6.067
E VTmag	0.009	Prox	999	TYC	T	HIP	76608
CCDM		RAdeg	234.67570611	DEdeg	-39.12774583	EpRA 1990	1.71
EpDE 1990	1.43	E RAdeg	3.6	E DEdeg	3.8	Posflg
Corr	0.3

SAO

SAO	206827	DelFlag		RA1950		PmRA1950	0.0019
DE1950		PmDE1950	-0.011	Vmag	6	SpType	A3
Double code		Source	70	CatNum	21015	DM	CD-3810536
DMcomp		BDsup		HD	139271	M HD	0
GC	21015	RA1950rad	4.08148262	DE1950rad	-0.68007269	PmRA2000	0.002
PmDE2000	-0.008

Hipparcos

Catalog	H	HIP	76608	Proxy		RAhms	15 38 42.17
DEdms	-39 07 39.9	Vmag	6.05	VarFlag		R Vmag	G
RAdeg	234.676	DEdeg	-39.1277	AstroRef		Plx	5.21
CCDM	15387-3908	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	139271	BD
CD	CD-3810536	CP		Dm number	-3810536	VIred	0.22
SpType	A4:m...	R SpType		Coord arcsec 2000	153842.17-390739.9

Hipparcos 2

HIP	76608	Sn	5	So	0	Nc	1
RArad	4.095863664	DErad	-0.6829080082	Plx	6.81	PmRA	15.7
PmDE	6.99	E RArad	0.28	E DErad	0.21	E Plx	0.34
E pmRA	0.35	E pmDE	0.31	Hpmag	6.1159	E Hpmag	0.0006
SHp	0.006	VA	0	BV	0.204	E BV	0.005
VI	0.22

CCDM

Ccdm	15387-3908	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.22	DDEs	20.2
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	6.0	Sp	A3	PmNote	*
PmRA	17	PmDE	0	Dm number	-3810536	Cat1	CD
Name2	206827	Cat2	SAO	HD	139271	M HD
ADS BDS		M ADS BDS		N IDS		IDS	15321S3848A
HIC	76608

15387-3908 B

Componente originario normalizzato	AB		Coord arcsec 2000	153842.67-390732.6		Mag	14		Spectral class	5m
Calc delta mag	7.93		Calc coord	yes

CCDM

Ccdm	15387-3908	RComp		Comp	B	Note1
Note2		Discov num	HDO 251	DRAs		DDEs
R dRAs		Year	1923	Theta	051	Rho	10.9
Obs	1	Vmag	14.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	15321S3848B
HIC