18407-2139 RST 5122

18^h 40^m 42.84^s -21° 39' 29.0" P.A. 189.00 sep 2.1 mag 8.85,14.40 Sp G2V

Coord 2000	18407-2139	Discov num	RST5122	Comp		Coord arcsec 2000	18 40 42.84 -21 39 29.0
Date first	1941	Date last	2016	Obs	3
Pa first	188	Pa last	188.6	P.A. Now (θ)	188.6°
Sep first	1.7	Sep last	2.086	Sep. Now (ρ)	2.086"
Mag pri	8.85	Mag sec	14.40	delta mag (ΔM)	5.55	Spectral class	G2V (yellow)
Pri motion ra	-030	Sec motion ra
Pri motion dec	+000	Sec motion dec
Notes	S (Parallax indidates non-physical)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Sagittarius		SAO	187121		Tycho2	6292-01628-1		Gaia DR2	4079593141648575104
HD	172371

WDS 18407-2139 RST 5122 : 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
18407-2139	RST5122		1941	1	188	1.7	8.85	14.40	G2V		184042.84-213929.0
18407-2139	RST5122		2015	2	189	2.1	8.85	14.40	G2V	S	184042.84-213929.0
18407-2139	RST5122		2016	3	189	2.1	8.85	14.40	G2V	S	184042.84-213929.0

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WDS 18407-2139 RST 5122 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18407-2139 RST 5122 : MEASURES

No records found.

WDS 18407-2139 : VIRTUAL EYEPIECE

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WDS 18407-2139 : ALADIN DSS IMAGE @ 18^h 40^m 42.84^s -21° 39' 29.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18407-2139 RST 5122 : 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		18407-2139	RST5122		189	2.1
Show		18406-2115	ARA1552		287	12.6	26
Show		18386-2149	J 1633	BC	149	7.5	31
Show		18386-2149	J 1633	AB	143	36.8	31
Show		18416-2108	KPP 422		299	4.7	34
Show		18387-2114	ARA1551		137	6.1	39
Show		18381-2156	ARA1895		26	16.0	41
Show		18395-2101	RST5121	AB	21	4.2	42
Show		18395-2101	HJ 2833	AC	314	21.8	42
Show		18379-2124	OCC 33		-1	0.1	43
Show		18385-2110	B 1888		302	4.8	43
Show		18389-2103	WSI 90	AB	138	0.0	45
Show		18389-2103	TNN 11	AC	340	5.0	45
Show		18389-2103	TNN 11	AD	30	6.4	45
Show		18439-2130	KPP4118		341	3.9	46
Show		18375-2130	ARA1548		336	14.8	47
Show		18398-2052	OCC1078		-1	0.7	49
Show		18378-2103	ARA1549		188	14.1	55
Show		18411-2236	ARA1896		327	12.3	58
Show		18433-2225	I 1381		37	1.3	59
Show		18431-2051	ARA1159		84	11.7	59
Show		18405-2040	OCC1079		-1	0.0	60
Show		18365-2128	ARA1547		230	11.0	60
Show		18393-2038	ARA1156		16	15.8	66
Show		18406-2034	OCC1080		-1	0.0	66
Show		18452-2117	ARA1553		273	10.1	66
Show		18360-2146	ARA1545		203	12.9	66
Show		18361-2154	ARA1546		173	10.4	67
Show		18397-2249	SHN 231		-1	0.1	71
Show		18440-2237	RST5453		211	0.1	74
Show		18437-2240	DON 919	AB	80	3.4	74
Show		18437-2240	DON 919	AC	306	14.9	74
Show		18377-2243	ARA1894		270	7.3	77
Show		18354-2118	ARA1544		180	6.1	77
Show		18377-2244	ARA1893		137	12.5	77
Show		18352-2140	HU 246		68	2.6	78
Show		18391-2025	ARA1155		238	11.6	79
Show		18353-2205	WNO 22		269	11.4	80
Show		18372-2039	DON 914		174	0.4	80
Show		18390-2259	ARA2241		114	7.3	84
Show		18406-2016	ARA1157		356	9.5	84
Show		18386-2020	DON 917		51	1.1	85
Show		18453-2039	EVS 37	AB	128	3.1	89
Show		18453-2039	EVS 37	AC	67	10.8	89
Show		18453-2039	EVS 37	AD	156	10.6	89
Show		18453-2039	EVS 37	AE	271	11.5	89
Show		18453-2039	EVS 37	AF	330	18.2	89
Show		18453-2039	GAA 14	Aa,Ab	349	0.0	89
Show		18453-2039	KRV 18	AG	250	29.9	89
Show		18453-2039	KRV 18	AH	304	34.9	89
Show		18463-2224	SEE 360		217	14.7	90

WDS 18407-2139 : COMPONENTS

	A
B	pa=188.0° sep=2.08"

18407-2139 A

Componente originario normalizzato	AB	Coord arcsec 2000	184042.84-213929.0	Mag	8.85	Spectral class	G2V (yellow)
PmRA	-30.00	PmDE	0.0	SAO	187121	Tycho2	6292-01628-1
HD	172371	DM	BD-21 5097

Tycho2

Tycho2	6292-01628-1	Pflag		RAmdeg	280.17851905	DEmdeg	-21.65805647
PmRA	-33.5	PmDE	5.1	E RAmdeg	13	E DEmdeg	16
E pmRA	1.7	E pmDE	1.6	EpRAm	1989.74	EpDEm	1987.88
Num	7	Q RAmdeg	0.5	Q DEmdeg	0.7	Q pmRA	0.5
Q pmDE	0.6	BTmag	9.482	E BTmag	0.029	VTmag	8.852
E VTmag	0.025	Prox	999	TYC	T	HIP
CCDM		RAdeg	280.17860139	DEdeg	-21.65806750	EpRA 1990	1.75
EpDE 1990	1.65	E RAdeg	14.2	E DEdeg	18.3	Posflg
Corr	0.1

SAO

SAO	187121	DelFlag		RA1950		PmRA1950	-0.0024
DE1950		PmDE1950	-0.004	Vmag	8.8	SpType	F8
Double code		Source	23	CatNum	7832	DM	BD-21 5097
DMcomp		BDsup		HD	172371	M HD	0
GC		RA1950rad	4.87695902	DE1950rad	-0.37883307	PmRA2000	-0.0024
PmDE2000	-0.004

CCDM

Ccdm	18407-2139	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.84	DDEs	-29.8
R dRAs	41	Year		Theta		Rho
Obs	2	Vmag	8.5	Sp	F8	PmNote	*
PmRA	-33	PmDE	-4	Dm number	-21 5097	Cat1	BD
Name2	187121	Cat2	SAO	HD	172371	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18347S2145A
HIC

18407-2139 B

Componente originario normalizzato	AB		Coord arcsec 2000	184042.82-213931.1		Mag	14.4		Calc delta mag	5.55
Calc coord	yes

CCDM

Ccdm	18407-2139	RComp		Comp	B	Note1
Note2		Discov num	RST5122	DRAs		DDEs
R dRAs		Year	1941	Theta	188	Rho	1.7
Obs	1	Vmag	14.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18347S2145B
HIC