20123-3956 WG 251

20^h 12^m 18.78^s -39° 55' 42.3" P.A. 306.00 sep 9.6 mag 11.40,11.90

Coord 2000	20123-3956	Discov num	WG 251	Comp		Coord arcsec 2000	20 12 18.78 -39 55 42.3
Date first	1904	Date last	2015	Obs	7
Pa first	306	Pa last	306.2	P.A. Now (θ)	306.2°
Sep first	8.9	Sep last	9.596	Sep. Now (ρ)	9.596"
Mag pri	11.40	Mag sec	11.90	delta mag (ΔM)	0.5	Spectral class
Pri motion ra	-002	Sec motion ra	-013
Pri motion dec	+003	Sec motion dec	+007
Notes

rPM=0.793

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Gaia DR2

6692743530430457088

WDS 20123-3956 WG 251 : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	WG	Wrigley, R.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20123-3956	WG 251		2000	3	306	9.6	11.40	11.90		D	201218.78-395542.3
20123-3956	WG 251		2010	6	306	9.3	11.40	11.90			201218.78-395542.3
20123-3956	WG 251		2015	7	306	9.6	11.40	11.90			201218.78-395542.3

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

WDS 20123-3956 WG 251 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20123-3956 WG 251 : MEASURES

No records found.

WDS 20123-3956 : VIRTUAL EYEPIECE

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WDS 20123-3956 : ALADIN DSS IMAGE @ 20^h 12^m 18.78^s -39° 55' 42.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20123-3956 WG 251 : 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		20123-3956	WG 251		306	9.6	0
Show		20134-3927	TDT2102		269	0.5	31
Show		20112-3926	HDS2878		37	0.3	33
Show		20148-3936	CRU9012		115	17.1	35
Show		20079-3951	CRU9011	AB	185	82.5	52
Show		20079-3951	CRU9011	AC	96	80.1	52
Show		20079-3952	UC 4093		108	23.5	52
Show		20081-3929	RST2134		50	0.3	55
Show		20174-4004	WG 252		99	3.3	60
Show		20140-4053	SKF1163		12	8.5	62
Show		20178-4011	DUN 230		117	9.7	66
Show		20174-3926	UC 4138		291	62.0	66
Show		20185-4000	B 474	AB	28	3.3	72
Show		20185-4000	WG 254	AC	20	14.3	72
Show		20068-4031	WG 250		330	16.7	73
Show		20108-3845	YMG 90		343	1.4	74
Show		20187-3932	UC 4143		351	60.9	78
Show		20092-4105	GRV1264		114	1.9	78
Show		20090-3843	SEE 407		259	3.3	82
Show		20190-4037	KPP2109		91	17.1	87
Show		20055-4034	UC 4080		89	18.9	88
Show		20199-3938	UC 4148		227	39.2	90
Show		20166-3841	KPP1571		71	11.9	90
Show		20123-3826	SKF2085		2	18.8	90
Show		20118-3825	TOK 904		315	4.2	92
Show		20056-4048	UC 4083		34	47.0	93
Show		20125-4130	RST2136		48	0.6	95
Show		20134-3821	B 472		24	1.0	96
Show		20055-4109	UC 4081		352	14.1	107
Show		20064-3829	RST2132		119	0.4	111
Show		20027-3939	RST2131		301	0.5	112
Show		20022-3936	UC 4068		138	34.2	118
Show		20061-4138	CBL 177		9	23.7	125
Show		20008-3938	WG 249		125	13.4	134
Show		20076-4200	RSS 541		318	10.0	136
Show		20235-4044	WG 255		33	5.3	137
Show		20243-3944	HDS2917		204	12.3	139
Show		20247-4019	KPP 968		335	7.9	145
Show		20098-3732	B 2883		130	8.3	147
Show		19597-4030	HJ 5159		30	27.1	149
Show		20217-3813	KPP 471		209	3.7	151
Show		20168-3733	B 473		183	2.4	152
Show		20012-3835	HDO 294		33	1.3	152
Show		20057-3743	HDS2865		185	0.1	154
Show		20020-3816	TDT1925		66	0.5	157
Show		20046-4206	UC 4076		4	40.2	158
Show		20006-3836	KPP 450		104	3.7	158
Show		20200-3745	TVB 313		267	2.5	159
Show		19587-4029	RST2125		91	0.6	160
Show		20114-3715	B 470		253	3.2	162
Show		20048-4215	B 984		32	2.4	164

WDS 20123-3956 : COMPONENTS

	A
B	pa=313.7° sep=8.21"

20123-3956 A

Coord arcsec 2000

201218.78-395542.3

Mag

11.4

PmRA

-2.00

PmDE

3.0

20123-3956 B

Coord arcsec 2000	201218.26-395536.6		Mag	11.9		PmRA	-13.00		PmDE	7.0
Calc delta mag	0.5		Calc coord	yes