18274-3827 RST 2055 (HD 169638)

18^h 27^m 22.60^s -38° 27' 03.9" P.A. 14.00 sep 0.9 mag 8.90,12.30 Sp B9V

Coord 2000	18274-3827	Discov num	RST2055	Comp		Coord arcsec 2000	18 27 22.60 -38 27 03.9
Date first	1931	Date last	1947	Obs	3
Pa first	13	Pa last	14.2	P.A. Now (θ)	14.2°
Sep first	0.8	Sep last	0.94	Sep. Now (ρ)	0.94"
Mag pri	8.90	Mag sec	12.30	delta mag (ΔM)	3.4	Spectral class	B9V (blue-white)
Pri motion ra	+001	Sec motion ra
Pri motion dec	-013	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 169638		Constellation	Corona Austrina		SAO	210169		Tycho2	7901-01711-1
Gaia DR2	6727129107321177472		HD	169638

WDS 18274-3827 RST 2055 (HD 169638) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Rst1933	T -	Rossiter, R.A.	1933MmRAS..65...27R
Rst1933		MemRAS 65, 27, 1933
Rst1937	Ma -	Rossiter, R.A.	1937MmRAS..65...51R
Rst1937		MemRAS 65, 51, 1937
Rst1943	Ma -	Rossiter, R.A.	1943POMic...8..133R
Rst1943		Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944	-	Rossiter, R.A.	1944POMic...9....1R
Rst1944		Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947	Ma -	Rossiter, R.A.	1947POMic...9....7R
Rst1947		Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955	Ma j	Rossiter, R.A.	1955POMic..11....1R
Rst1955	+P+	Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964	Ma -	Rossiter, R.A.	1964POMic...9...73R
Rst1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18274-3827	RST2055		1947	3	14	0.9	8.90	12.30	B9V		182722.60-382703.9

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WDS 18274-3827 RST 2055 (HD 169638) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18274-3827 RST 2055 (HD 169638) : MEASURES

No records found.

WDS 18274-3827 (HD 169638) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 18274-3827 (HD 169638) : ALADIN DSS IMAGE @ 18^h 27^m 22.60^s -38° 27' 03.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18274-3827 RST 2055 (HD 169638) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		18274-3827	RST2055		14	0.9
Show		18267-3821	RST2052		278	1.4	10
Show		18262-3801	RST2049		165	2.2	30
Show		18245-3817	TDT 843		98	0.6	36
Show		18266-3744	BRT1778		123	3.1	44
Show		18271-3916	HDS2610		110	7.0	49
Show		18235-3844	I 1364		176	0.1	50
Show		18247-3746	B 1358		311	1.1	52
Show		18251-3738	B 1360		279	2.8	56
Show		18231-3758	RST4009		44	0.5	59
Show		18243-3914	B 1357		303	5.0	59
Show		18222-3857	ALD 69		82	2.4	68
Show		18334-3844	DUN 222		359	20.5	73
Show		18331-3752	BRT1781		192	4.2	78
Show		18264-3700	RST4011		130	0.6	88
Show		18253-3701	BRT1776		175	3.3	90
Show		18345-3753	JSP 779		220	0.7	92
Show		18346-3753	JSP 780		310	2.7	92
Show		18215-3715	B 2445		248	6.3	101
Show		18363-3809	I 1372		14	8.7	107
Show		18348-3726	SKF2067		305	26.9	108
Show		18248-3642	POL 6		226	2.7	110
Show		18364-3857	WG 235		169	2.6	111
Show		18269-3635	BRT1779		28	6.7	113
Show		18307-4018	WG 234		113	6.9	118
Show		18271-4025	TDT 875		235	2.2	118
Show		18325-3643	TDT 933		286	0.4	121
Show		18256-3628	OL 19		261	4.1	122
Show		18337-3648	JSP 777		286	11.2	124
Show		18325-4017	RST4015		34	3.3	125
Show		18197-3700	RST3172		336	3.9	127
Show		18207-3647	B 1356		228	2.5	129
Show		18165-3817	RST2041		198	1.7	129
Show		18306-3624	HDS2625		343	8.5	129
Show		18381-3748	B 1368		153	5.0	133
Show		18161-3847	RSS 481		196	9.8	134
Show		18361-3703	JSP 782		3	1.1	135
Show		18209-4021	WG 231		231	9.3	137
Show		18162-3908	TDT 767		3	2.4	137
Show		18213-4024	WG 232		206	6.0	137
Show		18172-3719	RST3168		198	1.8	139
Show		18372-3711	BRT1783		133	4.3	140
Show		18395-3824	TDT 978		287	0.7	143
Show		18310-3609	RST3185	AB	325	3.3	146
Show		18310-3609	RST3185	BC	357	1.9	146
Show		18179-3654	B 2441		179	2.9	146
Show		18166-3717	WFC 284		118	10.7	147
Show		18173-3956	WG 230		88	2.4	147
Show		18227-4045	CBL 169		160	12.7	148
Show		18393-3742	TOK 797		235	0.2	149
Show		18322-4045	RST2061		132	2.4	149

WDS 18274-3827 : COMPONENTS

	A
B	pa=11.2° sep=0.93"

18274-3827 A

Componente originario normalizzato	AB	Name	HD 169638	Coord arcsec 2000	182722.60-382703.9	Mag	8.9
Spectral class	B9V (blue-white)	PmRA	1.00	PmDE	-13.0	SAO	210169
Tycho2	7901-01711-1	HD	169638	DM	CD-3812801

Tycho2

Tycho2	7901-01711-1	Pflag		RAmdeg	276.84419237	DEmdeg	-38.45109409
PmRA	0.4	PmDE	-10.2	E RAmdeg	7	E DEmdeg	9
E pmRA	1.2	E pmDE	1.2	EpRAm	1991.05	EpDEm	1990.27
Num	11	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	8.888	E BTmag	0.017	VTmag	8.904
E VTmag	0.016	Prox	999	TYC	T	HIP
CCDM		RAdeg	276.84419083	DEdeg	-38.45107028	EpRA 1990	1.85
EpDE 1990	1.77	E RAdeg	6.5	E DEdeg	8.7	Posflg
Corr	0.1

SAO

SAO	210169	DelFlag		RA1950		PmRA1950	-0.0005
DE1950		PmDE1950	-0.043	Vmag	8.9	SpType	B9
Double code		Source	41	CatNum	9475	DM	CD-3812801
DMcomp		BDsup		HD	169638	M HD	0
GC		RA1950rad	4.81681949	DE1950rad	-0.67164288	PmRA2000	-0.0005
PmDE2000	-0.044

CCDM

Ccdm	18274-3827	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-1.46	DDEs	-6.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	B9	PmNote	*
PmRA	-6	PmDE	-43	Dm number	-3812801	Cat1	CD
Name2	210169	Cat2	SAO	HD	169638	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18205S3830A
HIC

18274-3827 B

Componente originario normalizzato	AB		Coord arcsec 2000	182722.62-382703.0		Mag	12.3		Calc delta mag	3.4
Calc coord	yes

CCDM

Ccdm	18274-3827	RComp		Comp	B	Note1
Note2		Discov num	RST2055	DRAs		DDEs
R dRAs		Year	1935	Theta	013	Rho	0.9
Obs	2	Vmag	12.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18205S3830B
HIC