17454-4423 TDT 490 (HD 161027)

17^h 45^m 25.96^s -44° 23' 20.7" P.A. 18.00 sep 0.9 mag 10.60,10.65 Sp G6/8IV:

Coord 2000	17454-4423	Discov num	TDT 490	Comp		Coord arcsec 2000	17 45 25.96 -44 23 20.7
Date first	1991	Date last	2016	Obs	3
Pa first	33	Pa last	17.8	P.A. Now (θ)	17.8°
Sep first	0.8	Sep last	0.865	Sep. Now (ρ)	0.865"
Mag pri	10.60	Mag sec	10.65	delta mag (ΔM)	0.05	Spectral class	G6/8IV: (yellow)
Pri motion ra	-003	Sec motion ra	-003
Pri motion dec	-026	Sec motion dec	-026
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 161027		Constellation	Scorpius		Tycho2	7897-01406-1		Gaia DR2	5955479687897929216
HD	161027

WDS 17454-4423 TDT 490 (HD 161027) : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
17454-4423	TDT 490		1991	1	33	0.8	10.60	10.65			174525.96-442320.7
17454-4423	TDT 490		2015	2	18	0.9	10.60	10.65	G6/8IV:	V	174525.96-442320.7
17454-4423	TDT 490		2016	3	18	0.9	10.60	10.65	G6/8IV:	V	174525.96-442320.7

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

WDS 17454-4423 TDT 490 (HD 161027) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 17454-4423 TDT 490 (HD 161027) : MEASURES

No records found.

WDS 17454-4423 (HD 161027) : VIRTUAL EYEPIECE

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WDS 17454-4423 (HD 161027) : ALADIN DSS IMAGE @ 17^h 45^m 25.96^s -44° 23' 20.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 17454-4423 TDT 490 (HD 161027) : 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		17454-4423	TDT 490		18	0.9
Show		17447-4415	RSS 460		358	14.9	12
Show		17456-4403	DON 861		340	5.7	22
Show		17437-4442	BRT 989		17	3.1	26
Show		17479-4433	RST5442		105	0.6	28
Show		17431-4446	I 1335		57	3.0	34
Show		17452-4458	BRT 990	BC	20	4.2	35
Show		17452-4458	BRT 990	AB	292	4.4	35
Show		17482-4404	DON 865	AB	55	2.5	35
Show		17482-4404	CPO 555	AC	54	9.1	35
Show		17459-4500	DON 862		186	2.0	38
Show		17427-4451	DON 859		218	0.9	40
Show		17420-4401	DON 857		44	0.9	44
Show		17450-4511	HJ 4973		24	14.0	49
Show		17486-4502	CPO 77		324	4.0	52
Show		17499-4405	KPP3005		254	19.9	52
Show		17470-4330	COO 220		331	13.0	57
Show		17477-4329	DON 864		179	0.5	60
Show		17408-4457	TDS 877		313	1.3	60
Show		17405-4352	DON 854	AB	122	7.3	63
Show		17405-4352	COO 217	AC	203	15.5	63
Show		17496-4510	DON 867		285	0.5	65
Show		17466-4320	CPO 552		178	3.0	65
Show		17497-4335	RSS 463		146	21.5	68
Show		17488-4522	B 1868		221	1.3	69
Show		17484-4322	BRT 996		224	5.6	70
Show		17395-4454	DON 853		197	0.3	70
Show		17481-4527	CPO9248		123	3.5	70
Show		17388-4406	I 1331		58	1.3	74
Show		17426-4312	BRT 988		305	4.1	78
Show		17410-4530	DON 855		265	0.4	83
Show		17520-4333	CPO 558		16	6.0	88
Show		17371-4419	WDK 3		190	0.2	90
Show		17526-4338	CPO 559		54	3.6	91
Show		17383-4513	HDS2491		247	0.5	91
Show		17541-4414	BRT1002		154	4.7	94
Show		17514-4311	CPO 557		225	3.7	98
Show		17388-4532	B 2841		44	5.5	98
Show		17376-4516	CPO 539		216	5.5	99
Show		17510-4543	BRT1001		300	4.8	100
Show		17447-4244	FIN 341		226	0.0	100
Show		17363-4357	BRT 983		135	3.1	102
Show		17374-4519	BRT 985		96	4.0	102
Show		17390-4309	MOC 13	AB	222	3.6	103
Show		17390-4309	MOC 13	AC	328	4.8	103
Show		17390-4309	MOC 13	AD	145	5.9	103
Show		17390-4309	MOC 13	AE	128	6.5	103
Show		17466-4241	BRT 994		92	3.6	103
Show		17366-4338	DON 846		122	3.4	106
Show		17416-4601	BRT 987		291	5.3	106
Show		17363-4344	DON 845		167	0.3	106

WDS 17454-4423 : COMPONENTS

	A
B	pa=12.9° sep=0.84"

17454-4423 A

Componente originario normalizzato	AB	Name	HD 161027	Coord arcsec 2000	174525.96-442320.7	Mag	10.6
Spectral class	G6/8IV: (yellow)	PmRA	-3.00	PmDE	-26.0	Tycho2	7897-01406-1
HD	161027

Tycho2

Tycho2	7897-01406-1	Pflag		RAmdeg	266.35826695	DEmdeg	-44.38899703
PmRA	-2.7	PmDE	-26.1	E RAmdeg	26	E DEmdeg	37
E pmRA	1.5	E pmDE	1.8	EpRAm	1980.27	EpDEm	1981.58
Num	4	Q RAmdeg	1.4	Q DEmdeg	0.8	Q pmRA	1.4
Q pmDE	0.8	BTmag	11.042	E BTmag	0.069	VTmag	10.153
E VTmag	0.047	Prox	809	TYC	T	HIP
CCDM		RAdeg	266.35827139	DEdeg	-44.38893389	EpRA 1990	1.57
EpDE 1990	1.25	E RAdeg	31.9	E DEdeg	42.6	Posflg	P
Corr	-0.1

17454-4423 B

Componente originario normalizzato	AB		Coord arcsec 2000	174525.98-442319.9		Mag	10.65		PmRA	-3.00
PmDE	-26.0		Calc delta mag	0.05		Calc coord	yes