17094-3445 HDS 2422 (HD 154855)

17^h 09^m 22.76^s -34° 45' 16.6" P.A. 331.00 sep 0.1 mag 8.24,9.18 Sp M0III dist. 694.44 pc (2265.26 l.y.)

Coord 2000	17094-3445	Discov num	HDS2422	Comp		Coord arcsec 2000	17 09 22.76 -34 45 16.6
Date first	1991	Date last	1991	Obs	1
Pa first	331	Pa last	331	P.A. Now (θ)	331°
Sep first	0.1	Sep last	0.11	Sep. Now (ρ)	0.11"
Mag pri	8.24	Mag sec	9.18	delta mag (ΔM)	0.94	Spectral class	M0III (red)
Pri motion ra	-002	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 154855	Constellation	Scorpius	SAO	208476	HIP	83935
Tycho2	7369-01404-1	Gaia DR2	5977374022508195328	HD	154855	CD	CD-3411519
CP	CP-34 6742	Distance	694.44	Distance ly	2265.26

WDS 17094-3445 HDS 2422 (HD 154855) : 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
17094-3445	HDS2422		1991	1	331	0.1	8.24	9.18	M0III		170922.76-344516.6

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WDS 17094-3445 HDS 2422 (HD 154855) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17094-3445 HDS 2422 (HD 154855) : MEASURES

No records found.

WDS 17094-3445 (HD 154855) : VIRTUAL EYEPIECE

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WDS 17094-3445 (HD 154855) : ALADIN DSS IMAGE @ 17^h 09^m 22.76^s -34° 45' 16.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17094-3445 HDS 2422 (HD 154855) : 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		17094-3445	HDS2422		331	0.1
Show		17082-3500	SNA 64		52	1.9	21
Show		17076-3512	B 2403	AB	169	6.3	35
Show		17076-3512	SIN 125	AC	9	24.1	35
Show		17074-3416	BRT1709		116	4.4	39
Show		17072-3410	BRT1708		254	2.9	45
Show		17116-3410	TDT 259		105	2.1	45
Show		17065-3527	B 894	AB	357	2.6	55
Show		17065-3527	SNA 63	AC	232	6.7	55
Show		17105-3351	B 897		43	0.2	57
Show		17107-3348	TDT 252		340	0.8	60
Show		17119-3353	RST1941		85	0.4	61
Show		17048-3407	HDO 265		344	32.1	68
Show		17147-3422	RST3078		157	0.1	70
Show		17068-3553	B 895	AB	299	1.0	75
Show		17068-3553	HWE 85	AB,C	23	5.2	75
Show		17120-3337	B 898		114	0.3	76
Show		17054-3346	WNO 5	AB	299	26.5	78
Show		17054-3346	TOK 413	Aa,Ab	91	0.0	78
Show		17058-3554	TDT 210		7	0.6	82
Show		17112-3323	B 2825		64	5.5	86
Show		17158-3412	RST3080		117	1.7	86
Show		17158-3403	B 904		293	2.5	91
Show		17128-3322	COO 209		137	10.2	94
Show		17029-3348	I 584		212	1.9	99
Show		17158-3344	SEE 322	AB	277	0.2	101
Show		17158-3344	SNA 66	AC	272	7.0	101
Show		17153-3333	SNA 65	Aa,Ab	273	0.0	104
Show		17153-3333	SNA 65	AB	133	5.1	104
Show		17164-3545	HDO 267		19	76.1	105
Show		17131-3309	TDT 265		209	2.5	107
Show		17142-3316	B 903		36	3.0	108
Show		17167-3346	B 905		299	3.3	108
Show		17175-3532	SNA 67		355	6.8	110
Show		17178-3406	B 1333		335	0.2	111
Show		17184-3425	RST3084		109	0.3	114
Show		17085-3639	EGN 20	AB	78	1.0	114
Show		17085-3639	EGN 20	AC	140	3.4	114
Show		17085-3639	EGN 20	AD	113	4.3	114
Show		17085-3639	EGN 20	AE	358	4.8	114
Show		17085-3639	EGN 20	AF	57	5.0	114
Show		17085-3639	EGN 20	AG	238	6.0	114
Show		17085-3639	EGN 20	AH	169	6.4	114
Show		17085-3639	EGN 20	AI	53	6.5	114
Show		17085-3639	EGN 20	AJ	112	6.7	114
Show		17085-3639	EGN 20	AK	109	10.0	114
Show		17085-3639	EGN 20	AL	244	10.8	114
Show		17085-3639	EGN 20	AM	34	20.2	114
Show		17025-3603	HJ 4910		81	8.4	115
Show		17100-3641	BRT1710		358	5.1	116
Show		17058-3633	TDS 853		136	1.8	117

WDS 17094-3445 : COMPONENTS

	A
B	pa=335.5° sep=0.11"

17094-3445 A

Componente originario normalizzato	AB	Name	HD 154855	Coord arcsec 2000	170922.76-344516.6	Mag	8.24
Spectral class	M0III (red)	PmRA	-2.00	PmDE	-1.0	SAO	208476
HIP	83935	Tycho2	7369-01404-1	HD	154855	CD	CD-3411519
CP	CP-34 6742

Tycho2

Tycho2	7369-01404-1	Pflag		RAmdeg	257.34480388	DEmdeg	-34.75461566
PmRA	-1.6	PmDE	-0.7	E RAmdeg	6	E DEmdeg	8
E pmRA	1.2	E pmDE	1.3	EpRAm	1991.01	EpDEm	1990.17
Num	13	Q RAmdeg	1.0	Q DEmdeg	1.1	Q pmRA	1.1
Q pmDE	1.2	BTmag	10.741	E BTmag	0.040	VTmag	8.163
E VTmag	0.012	Prox	999	TYC	T	HIP	83935
CCDM	AB	RAdeg	257.34480889	DEdeg	-34.75461389	EpRA 1990	1.81
EpDE 1990	1.36	E RAdeg	6.1	E DEdeg	8.4	Posflg	P
Corr	0.0

SAO

SAO	208476	DelFlag		RA1950		PmRA1950	0.0009
DE1950		PmDE1950	-0.007	Vmag	7.9	SpType	K5
Double code		Source	40	CatNum	9020	DM	CD-3411519
DMcomp		BDsup		HD	154855	M HD	0
GC		RA1950rad	4.47705275	DE1950rad	-0.60548079	PmRA2000	0.0008
PmDE2000	-0.006

Hipparcos

Catalog	H	HIP	83935	Proxy	H	RAhms	17 09 22.76
DEdms	-34 45 16.6	Vmag	8.03	VarFlag	1	R Vmag	H
RAdeg	257.345	DEdeg	-34.7546	AstroRef	*	Plx	1.98
CCDM	17094-3445	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source	S	Qual	D	M HIP	AB
Theta	331	Rho	0.11	HD	154855	BD
CD	CD-3411519	CP	CP-34 6742	Dm number	-3411519	VIred	1.85
SpType	M0III	R SpType		Coord arcsec 2000	170922.76-344516.6

Hipparcos 2

HIP	83935	Sn	55	So	3	Nc	2
RArad	4.4915143388	DErad	-0.6065824155	Plx	1.44	PmRA	-3.34
PmDE	0.06	E RArad	0.92	E DErad	0.61	E Plx	1.03
E pmRA	1.14	E pmDE	0.7	Hpmag	7.8572	E Hpmag	0.0023
SHp	0.019	VA	0	BV	2.179	E BV	0.042
VI	3.28

CCDM

Ccdm	17094-3445	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.24	DDEs	-16.6
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.2	Sp	M0	PmNote	*
PmRA	-2	PmDE	-1	Dm number	-3411519	Cat1	CD
Name2	208476	Cat2	SAO	HD	154855	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	83935

17094-3445 B

Componente originario normalizzato	AB		Coord arcsec 2000	170922.76-344516.5		Mag	9.18		Calc delta mag	0.94
Calc coord	yes

CCDM

Ccdm	17094-3445	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	-1.24	DDEs	-16.5
R dRAs	82	Year	1991	Theta	331	Rho	0.1
Obs	1	Vmag	9.2	Sp		PmNote	*
PmRA	-2	PmDE	-1	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	83935