20120-0031 J 548

20^h 12^m 00.44^s -00° 37' 35.5" P.A. 139.00 sep 4.1 mag 9.40,13.00

Coord 2000	20120-0031	Discov num	J 548	Comp		Coord arcsec 2000	20 12 00.44 -00 37 35.5
Date first	1911	Date last	2015	Obs	6
Pa first	161	Pa last	138.8	P.A. Now (θ)	138.8°
Sep first	3.9	Sep last	4.143	Sep. Now (ρ)	4.143"
Mag pri	9.40	Mag sec	13.00	delta mag (ΔM)	3.6	Spectral class
Pri motion ra	+000	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

WDS 20120-0031 J 548 : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	J	Jonckheere, R.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20120-0031	J 548		2000	4	142	4.1	9.40	13.00		N D	201200.44-003735.5
20120-0031	J 548		2013	5	139	4.1	9.40	13.00			201200.44-003735.5
20120-0031	J 548		2015	6	139	4.1	9.40	13.00			201200.44-003735.5

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WDS 20120-0031 J 548 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20120-0031 J 548 : MEASURES

No records found.

WDS 20120-0031 : VIRTUAL EYEPIECE

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WDS 20120-0031 : ALADIN DSS IMAGE @ 20^h 12^m 00.44^s -00° 37' 35.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20120-0031 J 548 : 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		20120-0031	J 548		139	4.1	0
Show		20122-0035	DAM 201		358	6.9	4
Show		20121-0034	DAM 200		211	4.2	5
Show		20113-0049	MKT 10	Aa,Ab	88	0.0	16
Show		20113-0049	ISO 12	Aa,Ac	44	1.0	16
Show		20113-0049	BU 1540	AB	259	115.8	16
Show		20126+0052	STF2644		205	2.6	17
Show		20133-0041	BAL 920		269	16.6	20
Show		20102+0043	GRV 317		46	45.1	28
Show		20119+0010	UC 4118		28	58.2	28
Show		20106+0057	J 2700	AB	179	6.1	29
Show		20106+0057	DAM 196	AC	73	7.5	29
Show		20113-0008	S 735		211	56.4	32
Show		20106+0102	DAM 197		164	4.9	33
Show	Phoenicia	20140-0052	ABT 15	AE	225	81.0	34
Show	Phoenicia	20140-0052	BU 1485	A,BC	105	75.0	34
Show	Phoenicia	20140-0052	JNN 246	AF	217	7.3	34
Show		20120+0004	GWP2927		150	9.8	34
Show		20140-0052	J 551	BC	265	0.2	35
Show		20140-0052	BU 1485	BC,D	65	23.2	35
Show		20143+0009	HDS2885		132	0.2	46
Show		20089-0047	UC 4103		119	6.7	47
Show		20114+0127	BAL1546		95	17.5	51
Show		20154+0042	HWE 100	AB	253	1.7	51
Show		20154+0042	HWE 100	AC	271	31.3	51
Show		20147+0109	J 2571		102	3.9	52
Show		20154-0025	KPP2773		139	2.0	54
Show		20134+0128	AG 248	AB	11	3.4	55
Show		20083+0052	BAL1213		330	5.5	57
Show		20115+0135	BAL1547		46	5.8	58
Show		20080-0041	SHY 325		228	999.9	60
Show		20096+0132	TDT2036		76	0.5	65
Show		20078+0021	BAL1212		114	12.3	66
Show		20075-0037	H 4 34		198	49.7	66
Show		20090+0127	BAL1544		143	6.6	68
Show		20117+0146	HJ 906	AB	156	13.3	68
Show		20117+0146	HJ 906	AC	348	34.7	68
Show		20117+0146	ABH 132	AD	142	60.1	68
Show		20117+0146	ABH 132	AE	132	78.8	68
Show		20117+0146	ABH 132	AF	40	86.7	68
Show		20117+0146	ABH 132	AG	32	62.0	68
Show		20117+0146	ABH 132	AH	235	57.4	68
Show		20075+0057	UC 4090		233	21.3	70
Show		20103+0149	BAL1545		345	15.3	76
Show		20074+0000	J 2570	AB	79	3.6	78
Show		20074+0000	J 2570	AC	302	11.4	78
Show		20171+0038	J 2701		73	4.0	79
Show		20168+0111	HDS2890		313	0.1	79
Show		20134+0201	BAL1549		228	17.1	87
Show		20179+0040	BAL1214		100	3.4	89
Show		20102+0204	HJ 2933		26	21.7	91

WDS 20120-0031 : COMPONENTS

	A
B	pa=138.8° sep=4.14"

20120-0031 A

Coord arcsec 2000

201200.44-003735.5

Mag

9.4

PmRA

0.00

PmDE

2.0

20120-0031 B

Coord arcsec 2000

201200.62+003732.4

Mag

Calc delta mag

3.6

Calc coord

yes