18372-2039 DON 914

18^h 37^m 07.73^s -20° 38' 06.4" P.A. 174.00 sep 0.4 mag 11.00,11.80 Sp B9V

Coord 2000	18372-2039	Discov num	DON 914	Comp		Coord arcsec 2000	18 37 07.73 -20 38 06.4
Date first	1930	Date last	1941	Obs	2
Pa first	177	Pa last	173.7	P.A. Now (θ)	173.7°
Sep first	0.3	Sep last	0.39	Sep. Now (ρ)	0.39"
Mag pri	11.00	Mag sec	11.80	delta mag (ΔM)	0.8	Spectral class	B9V (blue-white)
Pri motion ra	-002	Sec motion ra
Pri motion dec	-001	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6279-01275-1

Gaia DR2

4091721918776200064

WDS 18372-2039 DON 914 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		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
18372-2039	DON 914		1941	2	174	0.4	10.50	11.30	B9V		183709.20-203907.0

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WDS 18372-2039 DON 914 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18372-2039 DON 914 : MEASURES

No records found.

WDS 18372-2039 : VIRTUAL EYEPIECE

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WDS 18372-2039 : ALADIN DSS IMAGE @ 18^h 37^m 07.73^s -20° 38' 06.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18372-2039 DON 914 : 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		18372-2039	DON 914		174	0.4
Show		18367-2019	HO 567		165	1.3	21
Show		18378-2103	ARA1549		188	14.1	27
Show		18386-2020	DON 917		51	1.1	28
Show		18393-2038	ARA1156		16	15.8	31
Show		18391-2025	ARA1155		238	11.6	31
Show		18389-2103	WSI 90	AB	138	0.0	36
Show		18389-2103	TNN 11	AC	340	5.0	36
Show		18389-2103	TNN 11	AD	30	6.4	36
Show		18385-2110	B 1888		302	4.8	38
Show		18395-2101	RST5121	AB	21	4.2	41
Show		18395-2101	HJ 2833	AC	314	21.8	41
Show		18398-2052	OCC1078		-1	0.7	41
Show		18387-2114	ARA1551		137	6.1	42
Show		18354-2118	ARA1544		180	6.1	47
Show		18405-2040	OCC1079		-1	0.0	47
Show		18379-2124	OCC 33		-1	0.1	48
Show		18406-2034	OCC1080		-1	0.0	49
Show		18362-1950	ARA 756		325	9.5	50
Show		18337-2048	ARA1154		288	7.2	50
Show		18336-2030	DON 911		348	2.1	51
Show		18365-2128	ARA1547		230	11.0	52
Show		18375-2130	ARA1548		336	14.8	52
Show		18406-2016	ARA1157		356	9.5	55
Show		18406-2115	ARA1552		287	12.6	61
Show		18338-2119	ARA1543		253	8.5	62
Show		18328-2022	KPP 416		159	4.9	64
Show		18333-2003	ARA1153		295	12.5	65
Show		18407-1957	ARA1158		68	6.6	66
Show		18352-2140	HU 246		68	2.6	69
Show		18416-2108	KPP 422		299	4.7	70
Show		18360-2146	ARA1545		203	12.9	70
Show		18321-2040	ARA1152		134	14.5	72
Show		18337-2132	ARA1542		114	11.6	72
Show		18386-2149	J 1633	AB	143	36.8	74
Show		18388-1928	BRT1541		34	4.2	75
Show		18386-2149	J 1633	BC	149	7.5	75
Show		18361-2154	ARA1546		173	10.4	78
Show		18381-2156	ARA1895		26	16.0	79
Show		18349-1925	ARA 755		77	13.1	79
Show		18407-2139	RST5122		189	2.1	80
Show		18374-1917	ARA 758		270	9.1	81
Show		18340-1929	B 1887		283	2.2	83
Show		18431-2051	ARA1159		84	11.7	85
Show		18371-1913	SEE 355		241	11.1	86
Show		18324-2138	ARA1541		349	7.1	89
Show		18353-2205	WNO 22		269	11.4	91
Show		18412-1928	OCC9183		-1	0.2	91
Show		18314-2124	ARA1539		4	5.0	92
Show		18425-1943	ARA 761		242	6.9	93
Show		18436-2013	DON 920		336	1.4	95

WDS 18372-2039 : COMPONENTS

	A
B	pa=174.1° sep=0.39"

18372-2039 A

Componente originario normalizzato	AB		Coord arcsec 2000	183707.73-203806.4		Mag	11		Spectral class	B9V (blue-white)
PmRA	-2.00		PmDE	-1.0		Tycho2	6279-01275-1

Tycho2

Tycho2	6279-01275-1	Pflag		RAmdeg	279.28221320	DEmdeg	-20.63511472
PmRA	-1.8	PmDE	-0.9	E RAmdeg	32	E DEmdeg	40
E pmRA	2.7	E pmDE	2.7	EpRAm	1989.75	EpDEm	1988.44
Num	3	Q RAmdeg	1.1	Q DEmdeg	0.2	Q pmRA	1.1
Q pmDE	0.2	BTmag	10.751	E BTmag	0.051	VTmag	10.566
E VTmag	0.062	Prox	999	TYC	T	HIP
CCDM		RAdeg	279.28221750	DEdeg	-20.63511250	EpRA 1990	1.74
EpDE 1990	1.60	E RAdeg	32.1	E DEdeg	40.6	Posflg
Corr	0.1

18372-2039 B

Componente originario normalizzato	AB		Coord arcsec 2000	183707.73-203806.8		Mag	11.8		Calc delta mag	0.8
Calc coord	yes