15181-7018 HDS 2151 (HD 135142)

15^h 18^m 08.15^s -70° 17' 31.6" P.A. 100.00 sep 0.1 mag 8.75,9.15 Sp B9IV dist. 315.46 pc (1029.03 l.y.)

Coord 2000	15181-7018	Discov num	HDS2151	Comp		Coord arcsec 2000	15 18 08.15 -70 17 31.6
Date first	1991	Date last	2019	Obs	3
Pa first	102	Pa last	99.9	P.A. Now (θ)	99.9°
Sep first	0.1	Sep last	0.064	Sep. Now (ρ)	0.064"
Mag pri	8.75	Mag sec	9.15	delta mag (ΔM)	0.4	Spectral class	B9IV (blue-white)
Pri motion ra	-004	Sec motion ra
Pri motion dec	-016	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 135142	Constellation	Triangulum Australe	HIP	74874	Tycho2	9263-01086-1
Gaia DR2	5798992588842911232	HD	135142	CP	CP-69 2297	Distance	315.46
Distance ly	1029.03

WDS 15181-7018 HDS 2151 (HD 135142) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15181-7018	HDS2151		1991	1	102	0.1	8.75	9.15	B9IV		151808.15-701731.6
15181-7018	HDS2151		2018	2	101	0.1	8.75	9.15	B9IV		151808.15-701731.6
15181-7018	HDS2151		2019	3	100	0.1	8.75	9.15	B9IV		151808.15-701731.6

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

WDS 15181-7018 HDS 2151 (HD 135142) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15181-7018 HDS 2151 (HD 135142) : MEASURES

No records found.

WDS 15181-7018 (HD 135142) : VIRTUAL EYEPIECE

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WDS 15181-7018 (HD 135142) : ALADIN DSS IMAGE @ 15^h 18^m 08.15^s -70° 17' 31.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15181-7018 HDS 2151 (HD 135142) : 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		15181-7018	HDS2151		100	0.1
Show		15167-7013	BVD 111		125	29.8	9
Show		15160-7025	HDS2146		197	0.2	14
Show		15191-7005	TDS9483		212	0.5	14
Show		15154-7032	FMR 173		145	57.4	20
Show		15212-6959	HDS2160		222	1.4	24
Show		15148-6957	DON 720		10	1.0	27
Show		15215-6956	DON 726		256	0.9	28
Show		15125-7013	TVB 276		106	2.8	29
Show		15246-7011	TDS9511		247	0.5	34
Show		15098-7010	HJ 4729		326	8.2	44
Show		15096-7027	TDS9424		247	1.2	45
Show		15196-7102	HEI 235		45	2.7	46
Show		15261-7040	TOB 330		131	28.2	46
Show		15240-7054	WIS 285		104	505.9	47
Show		15240-7056	HEI 380		153	1.1	48
Show		15195-6928	DON 725		304	3.5	51
Show		15145-6927	DON 718		31	3.5	54
Show		15075-7008	DON 711	AB	95	0.1	55
Show		15075-7008	DON 711	AB,C	90	10.1	55
Show		15276-6949	KPP 559	AB	286	5.3	57
Show		15217-6924	DON 727		252	5.5	57
Show		15282-7044	KPP3959		138	29.0	57
Show		15074-7036	MLO 63		291	3.2	58
Show		15112-6931	KPP2397		188	20.7	59
Show		15128-7111	B 2348		153	2.5	60
Show		15230-6924	TDS9501		29	0.6	60
Show		15297-7041	TDS9531		183	3.5	63
Show		15309-6946	DON 732		27	2.7	73
Show		15106-7122	TOI 905		101	2.3	75
Show		15268-7121	TDS9518		269	0.5	77
Show		15270-6915	KPP2978		174	15.3	78
Show		15333-7037	TDS9546		140	0.9	79
Show		15026-7028	TDS9380		247	0.9	79
Show		15126-6903	DON 717		123	2.9	80
Show		15337-7007	HDS2184		96	0.5	80
Show		15037-6948	TDS9390		210	0.7	80
Show		15125-6901	KPP2975		335	2.1	82
Show		15308-6924	BVD 115		339	26.2	85
Show		15230-6856	TDS9500		282	0.6	86
Show		15038-6934	DON 708		9	6.5	87
Show		15343-7053	B 2035		79	3.2	89
Show		15083-6900	DON 713		74	12.5	94
Show		15311-6911	TDS9534		353	1.8	95
Show		15189-6841	WFC 164		310	143.4	97
Show		15324-6914	DON 735		224	3.2	98
Show		15004-7101	TDS9368		342	0.8	99
Show		14593-7047	TDS9361		206	2.4	99
Show		14585-7008	DON 697		86	3.8	101
Show		15149-6839	DON 721		137	1.5	101
Show		14583-7030	R 254		122	11.2	101

WDS 15181-7018 : COMPONENTS

	A
B	pa=117.4° sep=0.02"

15181-7018 A

Componente originario normalizzato	AB	Name	HD 135142	Coord arcsec 2000	151808.15-701731.6	Mag	8.75
Spectral class	B9IV (blue-white)	PmRA	-4.00	PmDE	-16.0	HIP	74874
Tycho2	9263-01086-1	HD	135142	CP	CP-69 2297

Tycho2

Tycho2	9263-01086-1	Pflag		RAmdeg	229.53390929	DEmdeg	-70.29214055
PmRA	-4.0	PmDE	-15.0	E RAmdeg	5	E DEmdeg	5
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.29	EpDEm	1991.29
Num	10	Q RAmdeg	0.8	Q DEmdeg	1.4	Q pmRA	0.8
Q pmDE	1.3	BTmag	8.144	E BTmag	0.015	VTmag	8.155
E VTmag	0.011	Prox	999	TYC	T	HIP	74874
CCDM	AB	RAdeg	229.53393722	DEdeg	-70.29210583	EpRA 1990	1.64
EpDE 1990	1.66	E RAdeg	4.8	E DEdeg	4.5	Posflg	P
Corr	-0.1

Hipparcos

Catalog	H	HIP	74874	Proxy	H	RAhms	15 18 08.15
DEdms	-70 17 31.6	Vmag	8.18	VarFlag		R Vmag	H
RAdeg	229.534	DEdeg	-70.2921	AstroRef	*	Plx	1.88
CCDM	15181-7018	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	A	M HIP	AB
Theta	102	Rho	0.145	HD	135142	BD
CD		CP	CP-69 2297	Dm number	-69 2297	VIred	0
SpType	B9IV	R SpType		Coord arcsec 2000	151808.15-701731.6

Hipparcos 2

HIP	74874	Sn	55	So	3	Nc	2
RArad	4.0061230511	DErad	-1.2268286479	Plx	3.17	PmRA	-3.78
PmDE	-15.32	E RArad	0.57	E DErad	0.73	E Plx	0.87
E pmRA	0.65	E pmDE	0.93	Hpmag	8.1782	E Hpmag	0.0018
SHp	0.019	VA	0	BV	-0.026	E BV	0.01
VI	0

CCDM

Ccdm	15181-7018	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.13	DDEs	28.3
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.8	Sp	B9	PmNote	*
PmRA	-4	PmDE	-16	Dm number	-69 2297	Cat1	CPD
Name2		Cat2		HD	135142	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	74874

15181-7018 B

Componente originario normalizzato	AB		Coord arcsec 2000	151808.15-701731.6		Mag	9.15		Calc delta mag	0.4
Calc coord	yes

CCDM

Ccdm	15181-7018	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.16	DDEs	28.3
R dRAs	82	Year	1991	Theta	102	Rho	0.1
Obs	1	Vmag	9.1	Sp		PmNote	*
PmRA	-4	PmDE	-16	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	74874