18317-6742 MLO 81 (HD 169774)

18^h 31^m 41.17^s -67° 42' 25.8" P.A. 35.00 sep 4.5 mag 9.54,10.00 Sp A6V

Coord 2000	18317-6742	Discov num	MLO 81	Comp		Coord arcsec 2000	18 31 41.17 -67 42 25.8
Date first	1892	Date last	2015	Obs	9
Pa first	38	Pa last	34.5	P.A. Now (θ)	34.5°
Sep first	4.2	Sep last	4.513	Sep. Now (ρ)	4.513"
Mag pri	9.54	Mag sec	10.00	delta mag (ΔM)	0.46	Spectral class	A6V (white)
Pri motion ra	-029	Sec motion ra	+066
Pri motion dec	-054	Sec motion dec	+081
Notes

rPM=1.58

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 169774		Constellation	Pavo		Tycho2	9291-01290-1		Gaia DR2	6433222884647817088
HD	169774

WDS 18317-6742 MLO 81 (HD 169774) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
MlO1881	T -	Walker, G.J.	1881Obs.....4..249W
MlO1881		Observatory 4, 249, 1881
MlO1927A	Pa -	Melbourne Obs.	1927sdsc.book......
MlO1927A		cited in SDS (Southern Double Star Cat.), 1927

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18317-6742	MLO 81		2000	6	35	4.5	9.54	10.00	A6V	D	183141.17-674225.8
18317-6742	MLO 81		2010	8	37	4.7	9.54	10.00	A6V		183141.17-674225.8
18317-6742	MLO 81		2015	9	35	4.5	9.54	10.00	A6V		183141.17-674225.8

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WDS 18317-6742 MLO 81 (HD 169774) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18317-6742 MLO 81 (HD 169774) : MEASURES

No records found.

WDS 18317-6742 (HD 169774) : VIRTUAL EYEPIECE

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WDS 18317-6742 (HD 169774) : ALADIN DSS IMAGE @ 18^h 31^m 41.17^s -67° 42' 25.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18317-6742 MLO 81 (HD 169774) : 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		18317-6742	MLO 81		35	4.5
Show		18299-6753	DON 900		222	4.3	15
Show		18296-6734	DON 899		41	0.9	15
Show		18303-6758	TDT 918		181	1.6	18
Show		18358-6742	TDT 951		20	1.0	24
Show		18323-6808	TDT 931		221	1.2	27
Show		18264-6800	DON 896		321	4.6	35
Show		18257-6819	TDT 860		224	2.4	50
Show		18241-6717	TDT 836		304	1.3	51
Show		18357-6656	DON 909		330	0.5	52
Show		18272-6655	TDT 879		300	2.1	54
Show		18410-6754	TDT 991		109	0.4	54
Show		18411-6752	TDT 992		117	0.9	55
Show		18397-6814	TDT 982		344	0.5	55
Show		18278-6835	HDS2613		280	0.3	57
Show		18217-6735	WIS 326		149	49.4	58
Show		18301-6846	TDT 916		249	2.1	64
Show		18432-6746	DON 916		178	4.6	66
Show		18199-6758	LDS 633		212	17.7	69
Show		18200-6803	DON 888		82	2.3	70
Show		18421-6705	TDS 935		282	0.9	71
Show		18442-6728	UC 3658		330	37.8	74
Show		18375-6850	UC 3628		305	48.7	76
Show		18382-6638	LDS 646		135	25.0	76
Show		18256-6636	MLO 80		334	2.8	76
Show		18375-6856	LDS 643		40	163.4	81
Show		18180-6814	HDO 289		300	2.4	84
Show		18342-6617	MLO 5		292	4.4	87
Show		18286-6908	DON1118		290	4.1	88
Show		18431-6643	NZO 91		162	1.8	90
Show		18162-6709	DON 885		273	1.0	96
Show		18429-6856	UC 3652		206	49.5	97
Show		18419-6901	DON 913		156	1.0	97
Show		18193-6637	LDS 632		220	89.8	98
Show		18315-6605	TDT 926		199	0.4	98
Show		18442-6634	UC 3657		71	17.7	101
Show		18255-6605	HJ 5039		127	16.5	104
Show		18188-6627	UC 3551		116	63.7	107
Show		18347-6557	I 634		357	2.9	107
Show		18189-6906	TDT 791		197	0.4	110
Show		18152-6649	I 627	AB	218	3.0	110
Show		18152-6649	BAU 54	AC	165	44.5	110
Show		18148-6649	HJ 5019		334	37.7	112
Show		18211-6606	MLO 79		247	3.9	116
Show		18483-6856	JAO 8		266	0.8	118
Show		18274-6545	TDT 884		164	0.6	120
Show		18311-6943	DON 901		231	1.6	121
Show		18129-6843	TDT 738	AB	233	0.4	122
Show		18125-6653	TDT 736		117	2.2	122
Show		18451-6607	KPP1463		11	11.0	125
Show		18463-6608	TDT1046		88	1.0	128

WDS 18317-6742 : COMPONENTS

	A
B	pa=14.6° sep=3.84"

18317-6742 A

Componente originario normalizzato	AB	Name	HD 169774	Coord arcsec 2000	183141.17-674225.8	Mag	9.54
Spectral class	A6V (white)	PmRA	-29.00	PmDE	-54.0	Tycho2	9291-01290-1
HD	169774

Tycho2

Tycho2	9291-01290-1	Pflag		RAmdeg	277.92156364	DEmdeg	-67.70716994
PmRA	-6.5	PmDE	-22.0	E RAmdeg	11	E DEmdeg	10
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.29	EpDEm	1991.48
Num	4	Q RAmdeg	0.5	Q DEmdeg	2.4	Q pmRA	0.6
Q pmDE	2.4	BTmag	9.808	E BTmag	0.021	VTmag	9.543
E VTmag	0.019	Prox	921	TYC	T	HIP
CCDM		RAdeg	277.92160333	DEdeg	-67.70711972	EpRA 1990	1.67
EpDE 1990	1.81	E RAdeg	11.4	E DEdeg	10.4	Posflg
Corr	-0.1

CCDM

Ccdm	18317-6742	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.60	DDEs	-24.7
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	A2	PmNote	*
PmRA	15	PmDE	-3	Dm number	-67 3556	Cat1	CPD
Name2		Cat2		HD	169774	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18211S6747A
HIC

18317-6742 B

Componente originario normalizzato	AB		Coord arcsec 2000	183141.34-674222.1		Mag	10		PmRA	66.00
PmDE	81.0		Calc delta mag	0.46		Calc coord	yes

CCDM

Ccdm	18317-6742	RComp		Comp	B	Note1
Note2		Discov num	MLO	DRAs		DDEs
R dRAs		Year	1928	Theta	038	Rho	4.3
Obs	1	Vmag	9.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18211S6747B
HIC