20115+3639 SEI 974 AB

20^h 11^m 33.03^s +36° 38' 30.2" P.A. 7.00 sep 18.1 mag 10.66,10.85

Coord 2000	20115+3639	Discov num	SEI 974	Comp	AB	Coord arcsec 2000	20 11 33.03 +36 38 30.2
Date first	1896	Date last	2015	Obs	12
Pa first	9	Pa last	7	P.A. Now (θ)	7°
Sep first	19.0	Sep last	18.064	Sep. Now (ρ)	18.064"
Mag pri	10.66	Mag sec	10.85	delta mag (ΔM)	0.19	Spectral class
Pri motion ra	+005	Sec motion ra	-002
Pri motion dec	-001	Sec motion dec	-007
Notes

rPM=1.266

This double is not physical.

20115+3639 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 11 33 +36 38 30	SEI 974 AB	2015	12	7	18.1	10.66	10.85	0.19		<===
Show			20 11 33 +36 38 30	TOB 175 AC	2015	12	95	53.3	10.66	11.52	0.86
Show			20 11 33 +36 38 30	TOB 175 AD	2015	9	123	36.6	10.66	12.55	1.89

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2683-00200-1

Gaia DR2

2060696034126706432

WDS 20115+3639 SEI 974 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		cited in ADS (Aitken Double Star Cat.), 1932
Tob2000	Mb u	Tobal, T.	2000O&T....52...67T
Tob2000		Obs. et Travaux 52, 67, 2000
Tob2003	M+ j	Tobal, T.	...................
Tob2003	+Pa	OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
Tob2003	+Z
Tob2005a	Pu j	Tobal, T.	...................
Tob2005a		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 1, 2004)
Tob2005b	Pu j	Tobal, T.	...................
Tob2005b		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 2, 2004)
Tob2005c	Pu j	Tobal, T.	...................
Tob2005c		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 3, 2004)
Tob2005d	Pp j	Tobal, T.	...................
Tob2005d		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 4, 2004)
Tob2005e	Pp j	Tobal, T.	...................
Tob2005e		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 5, 2004)
Tob2005f	Pp j	Tobal, T.	...................
Tob2005f		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 6, 2004)
Tob2005g	Pp j	Tobal, T.	...................
Tob2005g		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 7, 2004)
Tob2005h	Pu j	Tobal, T.	...................
Tob2005h		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 8, 2005)
Tob2005i	Pp j	Tobal, T.	...................
Tob2005i		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 9, 2005)
Tob2005j	Pp j	Tobal, T. & Martin, I.T.	...................
Tob2005j		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 10, 2005)
Tob2006a	Pp j	Tobal, T.	...................
Tob2006a		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 11, 2006)
Tob2006b	Pp j	Tobal, T.	...................
Tob2006b		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 12, 2006)
Tob2006c	Pa j	Tobal, T.	...................
Tob2006c		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 13, 2006)
Tob2006d	Pa j	Tobal, T.	...................
Tob2006d		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 14, 2006)
Tob2007a	Pu j	Tobal, T.	...................
Tob2007a		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 15, 2007)
Tob2007b	Pa j	Tobal, T.	...................
Tob2007b		Webb Soc., Double Star Circ. 16, 2008 (also OAG General Cat. Suppl. 20, 2007)
Tob2008	Pa j	Tobal, T.	...................
Tob2008		OAG General Cat. Suppl. 21, 2008
Tob2009	Pa j	Tobal, T.	...................
Tob2009		Webb Soc., Double Star Circ. 18, 2010 (also OAG General Cat. Suppl. 23, 2009)
Tob2012a	Pa j	Tobal, T.	...................
Tob2012a		GWP Catalog, part I (equatorial zone), OAG CPMWP Survey (2012)
Tob2012b	not -	Tobal, T.	...................
Tob2012b		private communication, 2012
Tob2012c	Pa j	Tobal, T.	...................
Tob2012c		Webb Soc., Double Star Circ. 20, 2012 (also OAG General Cat. Suppl. 26, 2010)
Tob2016	Pa j	Tobal, T.	...................
Tob2016		GWP Catalog, part II (equatorial zone), OAG CPMWP Survey (2016)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20115+3639	SEI 974	AB	1998	6	6	18.8	10.66	10.85		D	201133.03+363830.2
20115+3639	SEI 974	AB	2002	7	7	18.3	10.66	10.85		D	201133.03+363830.2
20115+3639	SEI 974	AB	2015	8	7	18.1	10.66	10.85			201133.03+363830.2

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WDS 20115+3639 SEI 974 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20115+3639 SEI 974 AB : MEASURES

No records found.

WDS 20115+3639 : VIRTUAL EYEPIECE

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WDS 20115+3639 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.