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20366+0123
HJ 5513 AB

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20366+0123 HJ 5513 AB

20^h 35^m 33.99^s +01° 48' 03.2" P.A. 93.00 sep 11.9 mag 11.10,15.10

Coord 2000	20366+0123	Discov num	HJ 5513	Comp	AB	Coord arcsec 2000	20 35 33.99 +01 48 03.2
Date first	1998	Date last	2015	Obs	6
Pa first	93	Pa last	92.6	P.A. Now (θ)	92.6°
Sep first	12.1	Sep last	11.932	Sep. Now (ρ)	11.932"
Mag pri	11.10	Mag sec	15.10	delta mag (ΔM)	4	Spectral class
Pri motion ra	+007	Sec motion ra
Pri motion dec	-004	Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

20366+0123 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 35 34 +01 48 03	HJ 5513 AB	2015	6	93	11.9	11.10	15.10	4.00		<===
Show			20 35 34 +01 48 03	HJ 5513 AC	2015	6	284	28.7	11.50	13.57	2.07
Show			20 35 34 +01 48 03	HJ 5513 AD	2015	6	89	42.5	11.50	12.79	1.29

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Tycho2

0510-01581-1

Gaia DR2

4231645738459534080

WDS 20366+0123 HJ 5513 AB : NOTES

discov_num	notes	refcode
HJ 5513	Herschel coordinates 20 27 NPD 89 12 (1830). He notes: "Curiously	HJ_1870
	quadruple; four small stars alternately 15m and 18m, and very close;
	in a line very nearly coincident with the parallel."

REFERENCES

refcode	metd	author	reference
HJ_1870	Mb -	Herschel, J.F.W.	1870MmRAS..38....1H
HJ_1870		MemRAS 38, 1, 1870

DISCOVERER

idgroup	discov	author
1	HJ	Herschel, J.F.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20366+0123	HJ 5513	AB	2000	1	93	12.1	11.10	15.10		NK	203533.99+014803.2
20366+0123	HJ 5513	AB	2015	4	93	11.9	11.10	15.10		N K	203533.99+014803.2

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

WDS 20366+0123 HJ 5513 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20366+0123 HJ 5513 AB : MEASURES

No records found.

WDS 20366+0123 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20366+0123 : ALADIN DSS IMAGE @ 20^h 35^m 33.99^s +01° 48' 03.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20366+0123 HJ 5513 AB : 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		20366+0123	HJ 5513	AB	93	11.9
Show		20366+0123	HJ 5513	AC	284	28.7
Show		20366+0123	HJ 5513	AD	89	42.5
Show		20351+0202	BAL1564		268	4.8	16
Show		20367+0132	GRV 361		103	28.0	24
Show		20372+0135	J 2574		158	5.0	28
Show		20373+0134	GWP2973		106	21.3	30
Show		20377+0152	J 3255		327	3.7	30
Show		20351+0218	UC 4224		220	16.1	32
Show		20376+0211	GRV 364		156	40.3	40
Show		20330+0201	TDT2361		37	0.5	41
Show		20387+0156	J 569		316	3.0	45
Show		20354-0057	BAL 614		80	18.2	51
Show		20388+0202	HJ 920		213	14.1	51
Show		20353+0239	HJ 2981		5	12.9	52
Show		20329+0113	BAL1216		157	15.1	53
Show		20389+0128	KPP3420		241	6.3	54
Show		20393+0219	BAL1567		205	19.3	64
Show		20342-0045	BAL 613		145	6.4	66
Show		20393+0112	BAL1217		2	7.9	67
Show		20341+0256	BAL2031		334	17.4	71
Show		20373+0041	UC 4236		284	17.8	72
Show		20310+0211	J 561		176	4.3	74
Show		20400+0118	A 2283	AB	350	2.3	74
Show		20373-0039	J 2317		120	6.1	75
Show		20350+0033	J 1399		276	2.2	77
Show		20323+0049	UC 4207		297	31.1	77
Show		20344-0029	STF2697		358	29.8	82
Show		20302+0156	BAL1562		308	9.0	82
Show		20321+0251	BAL2030		286	10.8	82
Show		20409+0128	BAL1568		346	8.8	82
Show		20306+0224	BAL2028		196	9.5	83
Show		20414+0147	BAL1570		12	5.1	88
Show		20352+0019	RST5157		293	1.8	89
Show		20413+0216	BAL1569		62	11.2	90
Show		20390-0035	BVD 131		133	30.3	90
Show		20347+0321	CRC 38		300	10.5	94
Show		20418+0156	GWP2986		350	16.1	95
Show		20293+0132	BAL1561		8	15.8	96
Show		20298+0227	BAL2027		171	4.2	97
Show		20291+0135	GWP2956	AB	250	16.5	98
Show		20291+0135	GWP2957	AC	258	172.4	98
Show		20394+0029	FYM 187	CD	122	20.2	98
Show		20414+0105	GWP2985		352	30.4	98
Show		20403+0041	A 2284		287	4.8	98
Show		20394+0029	HJ 2984	AB	225	65.0	98
Show		20394+0029	HJ 2984	AC	30	65.9	98
Show		20394+0029	FYM 187	AE	118	35.2	98
Show		20419+0218	UC 252		164	62.6	100
Show		20391+0312	BAL2032		33	16.3	101
Show		20396+0025	UC 4246		52	20.8	103

WDS 20366+0123 : COMPONENTS

	A	B	C
B	pa=92.6° sep=11.93"
C	pa=284.1° sep=28.74"	pa=280.7° sep=40.49"
D	pa=88.6° sep=42.52"	pa=87.0° sep=30.64"	pa=94.8° sep=70.63"

20366+0123 A

Coord arcsec 2000	203533.99+014803.2		Mag	11.1		PmRA	7.00		PmDE	-4.0
Tycho2	0510-01581-1

Tycho2

Tycho2	0510-01581-1	Pflag		RAmdeg	308.89164406	DEmdeg	1.80089564
PmRA	8.5	PmDE	-3.8	E RAmdeg	54	E DEmdeg	47
E pmRA	1.9	E pmDE	1.9	EpRAm	1977.24	EpDEm	1976.80
Num	4	Q RAmdeg	2.4	Q DEmdeg	0.5	Q pmRA	2.4
Q pmDE	0.5	BTmag	13.449	E BTmag	0.356	VTmag	11.452
E VTmag	0.103	Prox	999	TYC		HIP
CCDM		RAdeg	308.89165472	DEdeg	1.80089111	EpRA 1990	1.65
EpDE 1990	1.37	E RAdeg	70.0	E DEdeg	87.5	Posflg
Corr	-0.1

20366+0123 B

Coord arcsec 2000

203534.78+014802.7

Mag

15.1

Calc delta mag

Calc coord

yes

20366+0123 C

Coord arcsec 2000	203532.13+014810.2		Mag	13.57		PmRA	-4.00		PmDE	-1.0
Calc delta mag	2.47		Calc coord	yes

20366+0123 D

Coord arcsec 2000	203536.83+014804.2		Mag	12.79		PmRA	6.00		PmDE	4.0
Calc delta mag	1.69		Calc coord	yes