20030-2040 DON 975

20^h 02^m 54.06^s -20° 39' 25.3" P.A. 122.00 sep 0.9 mag 11.50,11.50

Coord 2000	20030-2040	Discov num	DON 975	Comp		Coord arcsec 2000	20 02 54.06 -20 39 25.3
Date first	1929	Date last	2015	Obs	3
Pa first	121	Pa last	121.6	P.A. Now (θ)	121.6°
Sep first	0.8	Sep last	0.941	Sep. Now (ρ)	0.941"
Mag pri	11.50	Mag sec	11.50	delta mag (ΔM)	0	Spectral class
Pri motion ra	+003	Sec motion ra
Pri motion dec	-018	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

6866070994407109632

WDS 20030-2040 DON 975 : NOTES

No records found.

DISCOVERER

discov	author
DON	Donner, H.F.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
20030-2040	DON 975		1941	2	122	0.8	11.50	11.50		-21 5602		200254.06-203925.3
20030-2040	DON 975		2015	3	122	0.9	11.50	11.50		-21 5602		200254.06-203925.3

If you need more information about this double, apply for a data request form to the WDS.

WDS 20030-2040 DON 975 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20030-2040 DON 975 : MEASURES

No records found.

WDS 20030-2040 : VIRTUAL EYEPIECE

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

WDS 20030-2040 : ALADIN DSS IMAGE @ 20^h 02^m 54.06^s -20° 39' 25.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20030-2040 DON 975 : 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		20030-2040	DON 975		122	0.9	0
Show		20029-2026	LDS 700		129	12.6	13
Show		20020-2029	TDT1924		243	0.9	17
Show		20049-2034	BRT1559		268	4.9	30
Show		20018-2105	GKM9440	Aa,Ab	140	0.0	30
Show		20023-2124	LDS4828		105	42.0	47
Show		20068-2034	HU 759		296	0.5	56
Show		20032-1940	KPP 620		355	5.7	60
Show		19579-2056	ARA1575		344	10.5	73
Show		20058-1939	DON 978		106	0.5	74
Show		19597-1940	LDS4827		253	15.1	75
Show		19575-2108	BRT1557		190	2.8	82
Show		20031-2207	TDT1937		131	1.1	88
Show		19567-2029	DON 973		348	4.3	88
Show		19578-2132	CRI 25	AB	3	10.3	89
Show		19578-2132	SKF 442	AC	333	3.8	89
Show		20007-2204	KPP1108		355	8.8	90
Show		20062-2159	UC 4084		284	44.4	92
Show		19592-2155	LDS 697		315	41.7	93
Show		20089-2122	BRT1560		138	4.5	93
Show		20080-1939	KPP1032		302	8.3	94
Show		20020-1906	GKM9441	Aa,Ab	10	0.1	95
Show		20097-2022	SEE 409		31	5.1	98
Show		20082-1934	BHA 36		343	3.2	100
Show		19559-2103	ARA1573		207	8.9	101
Show		20103-2030	BEU 21		352	0.1	105
Show		20106-2055	AHD 14		100	10.2	110
Show		20032-2229	BRT1558		113	4.1	110
Show		19563-2138	LDS 694		212	10.2	110
Show		19552-2021	HLD 36		219	1.3	111
Show		20071-1905	RST3248		122	0.7	112
Show		20102-1954	UC 4110		269	39.9	113
Show		20091-1928	TDT2026		198	1.7	114
Show		19598-1852	J 1767		173	7.6	117
Show		20093-1925	HU 80		6	2.5	118
Show		19574-1907	TDT1875		255	0.6	121
Show		20103-2147	PRB 8		201	999.9	124
Show		19548-1949	GWP2907		141	108.3	125
Show		20070-1848	HJ 2928		311	13.5	126
Show		19562-2206	BRT1556		35	3.5	128
Show		20046-2247	TDT1953		253	0.4	130
Show		19537-2022	UC 4046		106	64.0	131
Show		20104-1923	HDS2873		223	0.2	131
Show		19587-2237	TDS1029		239	1.3	132
Show		19536-2048	LDS4822		267	45.3	132
Show		19535-2054	ARA1572		255	9.0	133
Show		20097-2216	BRT1561		338	2.9	136
Show		19541-1930	ARA 793		246	11.7	143
Show		19531-2126	HJ 2902		31	16.2	145
Show		20032-1815	RST3246		348	1.6	145
Show		20061-2258	ARA2269		221	11.2	146

WDS 20030-2040 : COMPONENTS

	A
B	pa=121.6° sep=0.94"

20030-2040 A

Coord arcsec 2000

200254.06-203925.3

Mag

11.5

PmRA

3.00

PmDE

-18.0

20030-2040 B

Coord arcsec 2000

200254.12-203925.8

Mag

11.5

Coordinate calculated

yes