20376+4504 HJ 1555

20^h 37^m 37.53^s +45° 03' 40.7" P.A. 354.00 sep 13.8 mag 10.32,11.69

Coord 2000	20376+4504	Discov num	HJ 1555	Comp		Coord arcsec 2000	20 37 37.53 +45 03 40.7
Date first	1828	Date last	2015	Obs	14
Pa first	357	Pa last	354	P.A. Now (θ)	354°
Sep first	10.0	Sep last	13.839	Sep. Now (ρ)	13.839"
Mag pri	10.32	Mag sec	11.69	delta mag (ΔM)	1.37	Spectral class
Pri motion ra	+037	Sec motion ra	+034
Pri motion dec	+014	Sec motion dec	+012
Notes	V (Proper motion indicates physical)

rPM=0.091 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3574-01726-1

Gaia DR2

2070345833512706816

WDS 20376+4504 HJ 1555 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HJ_1826	Mb -	Herschel, J.F.W.	1826MmRAS...2..459H
HJ_1826		MemRAS 2, 459, 1826
HJ_1829a	Mb -	Herschel, J.F.W.	1829MmRAS...3...47H
HJ_1829a		MemRAS 3, 47, 1829
HJ_1829b	Mb -	Herschel, J.F.W.	1829MmRAS...3..177H
HJ_1829b		MemRAS 3, 177, 1829
HJ_1831	Ma -	Herschel, J.F.W.	1831MmRAS...4..331H
HJ_1831	+Mb	MemRAS 4, part 2, 331, 1831
HJ_1833a	Ma -	Herschel, J.F.W.	1833MmRAS...5...13H
HJ_1833a	+Mb	MemRAS 5, 13, 1833
HJ_1833b	orb -	Herschel, J.F.W.	1833MmRAS...5..171H
HJ_1833b		MemRAS 5, 171, 1833
HJ_1833c	Mb -	Herschel, J.F.W.	1833MmRAS...6....1H
HJ_1833c		MemRAS 6, 1, 1833
HJ_1833d	orb -	Herschel, J.F.W.	1833MmRAS...6..149H
HJ_1833d		MemRAS 6, 149, 1833
HJ_1835	Ma -	Herschel, J.F.W.	1835MmRAS...8...37H
HJ_1835	+Mb	MemRAS 8, 37, 1835
HJ_1836	Mb -	Herschel, J.F.W.	1836MmRAS...9..193H
HJ_1836		MemRAS 9, 193, 1836
HJ_1847a	Ma j	Herschel, J.F.W.	.
HJ_1847a	+Mb	Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b	Ma j	Herschel, J.F.W.	.
HJ_1847b		Cape Results, London, 1847
HJ_1850	orb -	Herschel, J.F.W.	1850MmRAS..18...47H
HJ_1850		MemRAS 18, 47, 1850
HJ_1870	Mb -	Herschel, J.F.W.	1870MmRAS..38....1H
HJ_1870		MemRAS 38, 1, 1870
HJ_1874A	-	Herschel, J.F.W.	1874MNRAS..35...28B
HJ_1874A		cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A	Ma -	Herschel, J.F.W.	1875AN.....85..323D
HJ_1875A	+Mb	cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A	Ma -	Herschel, J.F.W.	1880Obs.....3..508G
HJ_1880A	+Mb	cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B	Mb -	Herschel, J.F.W.	1880MNRAS..40..497B
HJ_1880B		cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A	Ma j	Herschel, J.F.W.	1897MNRAS..57..541S
HJ_1897A		cited by See (MNRAS 57, 541, 1897)
HJ_1905A	Ma -	Herschel, J.F.W.	1905LicOB...3..147A
HJ_1905A	+Mb	cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A	Ma -	Herschel, J.F.W.	1906MmRAS..56....1L
HJ_1906A	+Mb	cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B	Ma -	Herschel, J.F.W.	1906QB821.B972.....
HJ_1906B	+Mb	cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A	Mb -	Herschel, J.F.W.	1927sdsc.book......
HJ_1927A		cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A	Mb -	Herschel, J.F.W.	1932QB821.A43......
HJ_1932A		cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999	M j	Herschel, J.F.W.	...................
HJ_9999	+Ma	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20376+4504	HJ 1555		2003	4	354	13.8	10.32	11.69		D	203737.53+450340.7
20376+4504	HJ 1555		2006	5	354	13.8	10.32	11.69		D	203737.53+450340.7
20376+4504	HJ 1555		2010	8	354	13.8	10.32	11.69			203737.53+450340.7
20376+4504	HJ 1555		2015	9	354	13.8	10.32	11.69		W	203737.53+450340.7

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

WDS 20376+4504 HJ 1555 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20376+4504 HJ 1555 : MEASURES

No records found.

WDS 20376+4504 : VIRTUAL EYEPIECE

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

WDS 20376+4504 : ALADIN DSS IMAGE @ 20^h 37^m 37.53^s +45° 03' 40.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20376+4504 HJ 1555 : 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		20376+4504	HJ 1555		354	13.8
Show		20386+4438	ES 667		185	9.8	28
Show		20394+4530	TDS1087		141	1.0	33
Show		20343+4520	ES 804	BC	128	2.2	39
Show		20343+4520	ES 804	AB	117	30.8	39
Show		20348+4531	ES 805		152	7.9	41
Show	Deneb	20414+4517	H N 73		105	75.6	43
Show		20373+4417	TDT2429		84	0.5	47
Show		20338+4540	A 740		313	0.8	54
Show		20420+4532	BRT2271		269	4.5	55
Show		20360+4555	STJ 103		338	1.3	55
Show		20421+4532	BKO 157		240	8.9	56
Show		20427+4521	ES 1270		289	5.9	57
Show		20416+4424	COU2541		25	0.4	59
Show		20432+4458	BKO 159		37	13.2	60
Show		20433+4456	ES 2699		296	40.1	61
Show		20434+4501	ES 668	AB	68	5.2	62
Show		20434+4501	ES 668	AC	269	23.4	62
Show		20434+4501	FYM 322	AD	200	18.7	62
Show		20436+4514	CBL 85		166	17.7	64
Show		20400+4405	KPP2366		145	20.3	65
Show		20432+4431	COU2422		236	1.3	68
Show		20423+4549	STT 411	AB	349	31.8	68
Show		20423+4549	WAL 132	AC	357	71.2	68
Show		20423+4549	BKO 158	AF	143	41.0	68
Show		20423+4549	BKO 158	EH	340	51.6	68
Show		20423+4549	BKO 158	EF	281	24.9	68
Show		20423+4549	BKO 158	EG	221	28.7	68
Show		20423+4549	BKO 158	EI	236	39.6	68
Show		20423+4549	WAL 132	BC	4	40.1	68
Show		20423+4549	CTT 15	BD	178	86.6	68
Show		20423+4549	CTT 15	BE	141	87.9	68
Show		20328+4418	COU2645		290	0.1	69
Show		20440+4521	KPP3361		134	2.2	70
Show		20317+4540	HJ 1533		187	10.9	74
Show		20340+4352	TDT2377		210	0.5	82
Show		20305+4434	ES 1442		265	2.7	82
Show		20303+4439	ES 1441		127	2.0	83
Show		20404+4345	GII 99		220	3.6	85
Show		20416+4350	ES 1445		180	6.2	86
Show		20449+4425	ES 1332		325	7.0	86
Show		20405+4343	COU2540		117	0.4	87
Show		20388+4629	BRT2268		320	3.4	87
Show		20295+4516	ES 662		142	5.7	88
Show		20293+4508	RAO 434		162	1.2	89
Show		20314+4403	ES 1443		304	2.5	90
Show		20459+4448	ES 2701		81	50.9	90
Show		20461+4452	ES 30		57	17.1	91
Show		20295+4437	TDT2320		223	0.7	91
Show		20322+4351	TDT2344		338	0.8	94
Show		20438+4610	TDT2503		68	0.5	94

WDS 20376+4504 : COMPONENTS

	A
B	pa=355.8° sep=13.80"

20376+4504 A

Componente originario normalizzato	AB		Coord arcsec 2000	203737.53+450340.7		Mag	10.32		PmRA	37.00
PmDE	14.0		Tycho2	3574-01726-1

Tycho2

Tycho2	3574-01726-1	Pflag		RAmdeg	309.40637481	DEmdeg	45.06129221
PmRA	35.6	PmDE	10.1	E RAmdeg	26	E DEmdeg	26
E pmRA	1.3	E pmDE	1.2	EpRAm	1987.48	EpDEm	1987.00
Num	4	Q RAmdeg	1.4	Q DEmdeg	0.5	Q pmRA	1.5
Q pmDE	0.6	BTmag	11.309	E BTmag	0.055	VTmag	10.315
E VTmag	0.034	Prox	138	TYC	T	HIP
CCDM		RAdeg	309.40625833	DEdeg	45.06126889	EpRA 1990	1.69
EpDE 1990	1.72	E RAdeg	27.0	E DEdeg	26.7	Posflg
Corr	0.0

20376+4504 B

Componente originario normalizzato	AB		Coord arcsec 2000	203737.43+450354.5		Mag	11.69		PmRA	34.00
PmDE	12.0		Tycho2	3574-01764-1		Calc delta mag	1.37		Calc coord	yes

Tycho2

Tycho2	3574-01764-1	Pflag		RAmdeg	309.40586324	DEmdeg	45.06511834
PmRA	34.8	PmDE	12.9	E RAmdeg	71	E DEmdeg	70
E pmRA	1.7	E pmDE	1.6	EpRAm	1967.81	EpDEm	1964.73
Num	4	Q RAmdeg	1.6	Q DEmdeg	1.0	Q pmRA	1.6
Q pmDE	1.0	BTmag	13.215	E BTmag	0.304	VTmag	11.691
E VTmag	0.123	Prox	138	TYC		HIP
CCDM		RAdeg	309.40574972	DEdeg	45.06508861	EpRA 1990	1.67
EpDE 1990	1.72	E RAdeg	82.0	E DEdeg	81.7	Posflg
Corr	0.0