20266+0143 BAL 1558

20^h 26^m 34.08^s +01° 42' 17.8" P.A. 9.00 sep 18.3 mag 12.82,13.11

Coord 2000	20266+0143	Discov num	BAL1558	Comp		Coord arcsec 2000	20 26 34.08 +01 42 17.8
Date first	1909	Date last	2015	Obs	8
Pa first	11	Pa last	9.3	P.A. Now (θ)	9.3°
Sep first	18.4	Sep last	18.321	Sep. Now (ρ)	18.321"
Mag pri	12.82	Mag sec	13.11	delta mag (ΔM)	0.29	Spectral class
Pri motion ra	+000	Sec motion ra	+000
Pri motion dec	-004	Sec motion dec	-003
Notes

rPM=0.25 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Gaia DR2

4231021868689990656

WDS 20266+0143 BAL 1558 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20266+0143	BAL1558		1909	1	11	18.5	12.19	12.40			202638.44+014334.5
20266+0143	BAL1558		2000	3	9	18.3	12.82	13.11			202634.08+014217.8
20266+0143	BAL1558		2010	5	9	18.3	12.82	13.11			202634.08+014217.8
20266+0143	BAL1558		2015	6	9	18.3	12.82	13.11			202634.08+014217.8

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WDS 20266+0143 BAL 1558 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20266+0143 BAL 1558 : MEASURES

No records found.

WDS 20266+0143 : VIRTUAL EYEPIECE

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WDS 20266+0143 : ALADIN DSS IMAGE @ 20^h 26^m 34.08^s +01° 42' 17.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20266+0143 BAL 1558 : 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		20266+0143	BAL1558		9	18.3
Show		20267+0155	J 155	AB	348	53.1	13
Show		20267+0155	J 155	BC	164	3.3	14
Show		20263+0156	BAL1557		211	6.4	15
Show		20253+0133	BAL1556		22	6.6	22
Show		20281+0140	BAL1560		3	6.6	23
Show		20291+0135	GWP2956	AB	250	16.5	40
Show		20291+0135	GWP2957	AC	258	172.4	40
Show		20275+0107	J 560		188	4.2	40
Show		20293+0132	BAL1561		8	15.8	43
Show		20258+0058	SKF 927		230	65.9	46
Show		20246+0104	STF2677	AB	30	31.2	49
Show		20246+0104	STF2677	AC	13	16.2	49
Show		20251+0225	LDS4841		246	44.6	50
Show		20302+0156	BAL1562		308	9.0	56
Show		20251+0233	BAL2023		330	7.4	56
Show		20283+0052	FSM 2		118	0.0	57
Show		20269+0045	CVR 224		217	35.6	58
Show		20228+0156	TDT2221		260	0.7	59
Show		20260-0041	A 728		348	0.3	62
Show		20227+0119	BAL1555		140	16.6	64
Show		20298+0227	BAL2027		171	4.2	65
Show		20225+0155	HJ 2955		246	14.1	66
Show		20236-0055	RST5155		191	1.1	67
Show		20310+0211	J 561		176	4.3	72
Show		20258+0029	TDT2266		270	1.7	74
Show		20306+0224	BAL2028		196	9.5	74
Show		20222-0054	UC 4160		4	58.8	82
Show		20257+0304	BAL2024		70	16.1	83
Show		20247+0302	J 1342		333	2.4	88
Show		20278+0311	HJ 917		37	12.8	91
Show		20216-0048	HJ 914		164	18.7	92
Show		20289-0016	RST5156		329	1.2	93
Show		20300+0023	JNN 283		354	0.4	95
Show		20280-0009	SHY 333	BC	149	999.9	96
Show		20274+0317	BAL2025		94	10.2	96
Show		20280-0009	HJ 916	AB	260	14.8	96
Show		20204+0119	UC 4151		95	33.2	97
Show		20204+0118	J 555		274	2.5	97
Show		20202+2000	KPP 879	AB	332	7.4	97
Show		20330+0201	TDT2361		37	0.5	99
Show		20329+0113	BAL1216		157	15.1	100
Show		20215+0034	A 2280		31	0.3	102
Show		20323+0049	UC 4207		297	31.1	102
Show		20198+0132	TDT2172		230	0.4	103
Show		20213+0250	HLD 158		41	1.2	105
Show		20212+0249	TOK 730		146	0.2	105
Show		20227+0014	GAU 17		95	7.1	106
Show		20210+0036	UC 4154		80	10.4	107
Show		20195+0133	SKF 925		87	39.9	107
Show		20321+0251	BAL2030		286	10.8	108

WDS 20266+0143 : COMPONENTS

	A
B	pa=9.3° sep=18.32"

20266+0143 A

Componente originario normalizzato	AB		Coord arcsec 2000	202634.08+014217.8		Mag	12.82		PmRA	0.00
PmDE	-4.0

20266+0143 B

Componente originario normalizzato	AB		Coord arcsec 2000	202634.28+014235.9		Mag	13.11		PmRA	0.00
PmDE	-3.0		Calc delta mag	0.29		Calc coord	yes