20060+3545 SEI 857 AC

Coord 2000	20060+3545		Discov num	SEI 857		Comp	AC		Coord arcsec 2000	20 05 56.71 +35 45 21.4
Date first	1895		Date last	2015		Obs	13
Pa first	324		Pa last	323.1		P.A. Now (θ)	323.1°
Sep first	27.5		Sep last	27.551		Sep. Now (ρ)	27.551"
Mag pri	11.75		Mag sec	12.90		delta mag (ΔM)	1.15		Spectral class
Pri motion ra	-005		Sec motion ra	-005
Pri motion dec	-008		Sec motion dec	-005
Notes

rPM=0.318 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 05 57 +35 45 21	SEI 858 AB	2015	14	28	19.8	11.75	11.90	0.15
Show			20 05 57 +35 45 21	SEI 857 AC	2015	13	323	27.6	11.75	12.90	1.15		<===

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2059076041181622144

No records found.

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

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20060+3545	SEI 857	AC	2002	6	323	27.5	9.70	11.00		D	200556.74+354521.9
20060+3545	SEI 857	AC	2012	8	323	27.6	11.75	12.90			200556.71+354521.4
20060+3545	SEI 857	AC	2015	9	323	27.5	11.75	12.90			200556.71+354521.4

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No records found.


No records found.

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS