18205-3420 JSP 939 (HD 168312)

18^h 20^m 33.20^s -34° 19' 58.9" P.A. 27.00 sep 3.3 mag 9.20,10.00 Sp G3V

Coord 2000	18205-3420	Discov num	JSP 939	Comp		Coord arcsec 2000	18 20 33.20 -34 19 58.9
Date first	1930	Date last	1998	Obs	2
Pa first	158	Pa last	27.3	P.A. Now (θ)	27.3°
Sep first	9.5	Sep last	3.27	Sep. Now (ρ)	3.27"
Mag pri	9.20	Mag sec	10.00	delta mag (ΔM)	0.8	Spectral class	G3V (yellow)
Pri motion ra	+030	Sec motion ra	+098
Pri motion dec	-174	Sec motion dec	-056
Notes

rPM=0.771

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 168312		Constellation	Sagittarius		Tycho2	7401-00680-1		Gaia DR2	4044567369750175744
HD	168312

WDS 18205-3420 JSP 939 (HD 168312) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Jsp1937	Ma j	Jessup, M.K.	1937MmRAS..65...51R
Jsp1937		MemRAS 65, 51, 1937
Jsp1955	Ma j	Jessup, M.K.	1955POMic..11....1R
Jsp1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Jsp1964	Ma j	Jessup, M.K.	1964POMic...9...73R
Jsp1964		Pub. Univ. Michigan Obs. 9, 73, 1964
Jsp9999	Ma -	Jessup, M.K.	...................
Jsp9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18205-3420	JSP 939		1930	1	158	9.5	9.28	13.90	G3V		182033.20-341958.9
18205-3420	JSP 939		1998	2	27	3.3	9.20	10.00	G3V		182033.20-341958.9
18205-3420	JSP 939		2000	2	27	3.3	9.20	10.00	G3V		182033.20-341958.9

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WDS 18205-3420 JSP 939 (HD 168312) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18205-3420 JSP 939 (HD 168312) : MEASURES

No records found.

WDS 18205-3420 (HD 168312) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 18205-3420 (HD 168312) : ALADIN DSS IMAGE @ 18^h 20^m 33.20^s -34° 19' 58.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18205-3420 JSP 939 (HD 168312) : 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		18205-3420	JSP 939		27	3.3
Show		18206-3424	JSP 773		337	1.0	6
Show		18190-3357	BRT1768		72	4.3	31
Show		18185-3441	TOK 902		29	0.2	33
Show		18188-3448	RST3171		234	1.1	36
Show		18233-3408	VVV 56		193	17.3	37
Show		18176-3406	HJ 5036	CD	346	22.4	39
Show		18176-3406	HJ 5036	AB	85	38.7	40
Show		18176-3406	HJ 5036	AC	41	93.8	40
Show		18239-3421	ARY 76		10	18.9	42
Show		18176-3442	BRT1766		261	2.4	43
Show	Kaus Australis	18242-3423	SEE 351	AB	314	39.9	45
Show	Kaus Australis	18242-3423	GOL 2	AC	142	2.4	45
Show	Kaus Australis	18242-3423	TOK 617	AD	36	862.9	45
Show		18241-3430	TDT 835		76	0.6	46
Show		18213-3333	B 937		142	0.8	48
Show		18185-3503	OL 17		252	6.1	50
Show		18221-3507	BRT1772		195	2.8	51
Show		18191-3509	OL 18		296	1.1	53
Show		18248-3424	SKF2065		164	23.3	53
Show		18167-3447	VVV 53		8	4.5	55
Show		18244-3349	BRT1775		147	3.2	56
Show		18202-3517	RST3174		306	1.5	58
Show		18188-3325	BRT1767		209	4.2	60
Show		18153-3413	BRT1762		13	4.8	65
Show		18203-3526	TOK 801		7	0.1	66
Show		18220-3313	BRT1771		115	3.8	69
Show		18240-3516	BRT1773		295	3.6	71
Show		18150-3448	BRT1761		145	3.8	75
Show		18187-3534	LDS 636		6	20.8	78
Show		18246-3523	JSP 774		72	4.3	81
Show		18272-3402	B 1363		223	2.4	84
Show		18180-3538	B 425	AB	51	2.9	84
Show		18180-3538	B 425	AC	356	7.3	84
Show		18136-3416	JSP 938	AB	149	6.1	87
Show		18136-3416	SIN 107	AC	55	25.4	87
Show		18175-3300	PRO 201		205	7.8	90
Show		18248-3535	BRT3331		192	5.5	92
Show		18243-3539	BRT1774		55	3.5	93
Show		18207-3245	BRT1770		354	4.5	95
Show		18268-3517	B 2866		343	4.5	95
Show		18167-3258	BRT1765		318	1.8	96
Show		18155-3532	BRT1763		224	3.2	96
Show		18127-3433	RST3162		206	0.3	98
Show		18126-3417	JSP 771		304	2.9	99
Show		18202-3601	BRT1769		1	4.1	101
Show		18142-3525	B 424	AB	82	1.0	102
Show		18142-3525	B 424	AC	143	42.5	102
Show		18142-3525	B 424	CD	41	2.8	102
Show		18173-3245	JSP 772		345	5.6	105
Show		18131-3333	B 933		349	1.8	105

WDS 18205-3420 : COMPONENTS

	A
B	pa=23.1° sep=3.16"

18205-3420 A

Componente originario normalizzato	AB	Name	HD 168312	Coord arcsec 2000	182033.20-341958.9	Mag	9.2
Spectral class	G3V (yellow)	PmRA	30.00	PmDE	-174.0	Tycho2	7401-00680-1
HD	168312

Tycho2

Tycho2	7401-00680-1	Pflag		RAmdeg	275.13837047	DEmdeg	-34.33304945
PmRA	34.2	PmDE	-176.9	E RAmdeg	13	E DEmdeg	18
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.19	EpDEm	1990.52
Num	4	Q RAmdeg	0.4	Q DEmdeg	1.1	Q pmRA	0.4
Q pmDE	1.1	BTmag	10.057	E BTmag	0.030	VTmag	9.279
E VTmag	0.022	Prox	999	TYC	T	HIP
CCDM		RAdeg	275.13827611	DEdeg	-34.33264417	EpRA 1990	1.82
EpDE 1990	1.75	E RAdeg	12.8	E DEdeg	18.0	Posflg
Corr	0.0

18205-3420 B

Componente originario normalizzato	AB		Coord arcsec 2000	182033.30-341956.0		Mag	10		PmRA	98.00
PmDE	-56.0		Calc delta mag	0.8		Calc coord	yes