20078+3520 SEI 901 AB

20^h 07^m 47.34^s +35° 20' 29.5" P.A. 86.00 sep 15.6 mag 12.10,12.30

Coord 2000	20078+3520	Discov num	SEI 901	Comp	AB	Coord arcsec 2000	20 07 47.34 +35 20 29.5
Date first	1896	Date last	2015	Obs	11
Pa first	86	Pa last	86.4	P.A. Now (θ)	86.4°
Sep first	15.9	Sep last	15.596	Sep. Now (ρ)	15.596"
Mag pri	12.10	Mag sec	12.30	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-003	Sec motion ra	-004
Pri motion dec	-003	Sec motion dec	-006
Notes

rPM=0.439

Nature of this double is uncertain.

20078+3520 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 07 47 +35 20 30	SEI 901 AB	2015	11	86	15.6	12.10	12.30	0.20		<===
Show			20 07 49 +35 20 30	BKO 94 BC	2015	8	46	13.5	12.30	15.50	3.20

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2679-01149-1

Gaia DR2

2059001480553512576

WDS 20078+3520 SEI 901 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bko2002	C -	Ladanyi, T. & Berko, E.	...................
Bko2002		Webb Soc., Double Star Circ. 10, 2002
Bko2003	C u	Ladanyi, T., Berko, E. & Vaskuti, G	...................
Bko2003		Webb Soc., Double Star Circ. 11, 2003
Bko2004	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2004		Webb Soc., Double Star Circ. 12, 2004
Bko2005	C u	Berko, E., Ladanyi, T. & Vaskuti, G	...................
Bko2005		Webb Soc., Double Star Circ. 13, 2005
Bko2008	C u	Berko, E. & Vaskuti, G.	...................
Bko2008		Webb Soc., Double Star Circ. 16, 2008
Bko2008b	C u	Berko, E.	2008JDSO....4..144B
Bko2008b		JDSO 4, 144, 2008
Bko2009	C u	Berko, E.	2009JDSO....5...49B
Bko2009		JDSO 5, 49, 2009
Bko2009b	C u	Berko, E.	2009JDSO....5..168B
Bko2009b		JDSO 5, 168, 2009
Bko2009c	C u	Berko, E.	...................
Bko2009c		Webb Soc., Double Star Circ. 17, 2009
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009
Bko2010a	C u	Berko, E.	2010JDSO....6...21B
Bko2010a		JDSO 6, 21, 2010
Bko2010b	C u	Berko, E.	...................
Bko2010b		Webb Soc., Double Star Circ. 18, 2010
Bko2011a	C u	Berko, E.	2011JDSO....7....2B
Bko2011a		JDSO 7, 2, 2011
Bko2011b	C u	Berko, E.	...................
Bko2011b		Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c	C u	Berko, E.	...................
Bko2011c		Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012	C u	Berko, E.	...................
Bko2012		Webb Soc., Double Star Circ. 20, 2012
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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20078+3520	SEI 901	AB	2002	5	86	15.6	12.10	12.30		D	200747.34+352029.5
20078+3520	SEI 901	AB	2015	7	87	15.6	12.10	12.30			200747.34+352029.5

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WDS 20078+3520 SEI 901 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20078+3520 SEI 901 AB : MEASURES

No records found.

WDS 20078+3520 : VIRTUAL EYEPIECE

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WDS 20078+3520 : 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.