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Doubles in this session

Current system

20013+3346
SEI 789

Nearby doubles

1' : 20010+3346
SEI 785

13' : 20027+3349
SEI 815AB

14' : 20025+3341
HO 117AB

14' : 20027+3340
HO 118AB

14' : 20016+3358
SEI 794

14' : 20026+3352
BKO 521AB

15' : 20023+3354
SEI 804

16' : 20008+3337
SEI 784

16' : 20027+3355
BKO 522AB

19' : 20022+3332
SEI 801

26' : 20031+3343
SEI 818

26' : 20039+3349
SEI 833

26' : 20031+3350
SEI 819

28' : 20032+3357
SEI 821

29' : 20020+3411
SEI 800

29' : 19597+3359
FRT 2AB

29' : 20024+3320
SEI 803

31' : 20039+3329
TDT1945

31' : 20033+3403
SEI 822

31' : 20037+3327
TDT1942

31' : 20016+3417
SEI 793

35' : 19596+3321
SEI 769

35' : 20005+3418
SEI 780

38' : 19596+3318
BEW 4

38' : 19582+3346
SEI 753

38' : 19583+3345
ELS 8AB

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Quadruple Systems

Multiple Systems

Neglected List I

Neglected List II

Herschel, J.F.W.

20013+3346 SEI 789

20^h 01^m 18.90^s +33° 45' 26.5" P.A. 347 sep 16.9 mag 10.69,12.70 Sp A5

Coord 2000	20013+3346		Discov num	SEI 789		Comp			Coord arcsec 2000	20 01 18.90 +33 45 26.5
Date first	1894		Date last	2011		Obs	7
Pa first	349		Pa last	347		P.A. Now (θ)	347°
Sep first	18.2		Sep last	16.9		Sep. Now (ρ)	16.9"
Mag pri	10.69		Mag sec	12.70		delta mag (ΔM)	2.01		Spectral class	A5 (white)
Pri motion ra	+000		Sec motion ra	+001
Pri motion dec	+004		Sec motion dec	-006
Notes

rPM=1.652

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	347.4		Precise sep	16.88		Constellation	Cygnus		last precise pa	347.4
last precise sep	16.88

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20013+3346	SEI 789		1998	4	348	17.0	10.69	12.70		D	200118.90+334526.5
20013+3346	SEI 789		2002	5	347	17.0	10.69	12.70		D	200118.90+334526.5
20013+3346	SEI 789		2011	6	347	16.9	10.69	12.70		D	200118.90+334526.5

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