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Doubles in this session

Current system

20111+3626
ALI 414

Nearby doubles

6' : 20115+3630
SEI 971AB

8' : 20116+3621
SEI 976

12' : 20105+3635
SEI 948

12' : 20108+3637
TDT2052

14' : 20115+3639
SEI 974AB

14' : 20105+3614
SEI 947

15' : 20122+3621
SEI 996AB

15' : 20101+3617
SEI 939AB

15' : 20109+3612
SEI 959

16' : 20120+3614
TOB 176

17' : 20110+3642
SEI 962

17' : 20098+3629
COU2413

17' : 20119+3612
BLL 46AB

18' : 20120+3640
SEI 989

19' : 20126+3618
SEI1004AB

19' : 20119+3642
TDT2077

20' : 20095+3623
ALI 409

20' : 20108+3646
SEI 958

21' : 20104+3644
SEI 945AB

21' : 20126+3614
SEI1003

21' : 20094+3630
SEI 928AB

22' : 20102+3644
ES 87

23' : 20126+3639
SLE 962

23' : 20115+3604
SEI 972

25' : 20130+3629
ES 2188

25' : 20128+3638
SEI1010

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Multiple Systems

Neglected List I

Neglected List II

Herschel, J.F.W.

20111+3626 ALI 414

20^h 11^m 07.11^s +36° 25' 44.9" P.A. 215 sep 11.6 mag 11.12,11.60

Coord 2000	20111+3626		Discov num	ALI 414		Comp			Coord arcsec 2000	20 11 07.11 +36 25 44.9
Date first	1933		Date last	2015		Obs	10
Pa first	220		Pa last	215		P.A. Now (θ)	215°
Sep first	9.2		Sep last	11.6		Sep. Now (ρ)	11.6"
Mag pri	11.12		Mag sec	11.60		delta mag (ΔM)	0.48		Spectral class
Pri motion ra	+003		Sec motion ra	-006
Pri motion dec	+014		Sec motion dec	-010
Notes

rPM=1.79

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	215		Precise sep	11.589		Constellation	Cygnus		Tycho2	2683-00434-1
Gaia DR2	19909251584

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20111+3626	ALI 414		1933	1	220	9.2	11.12	11.60			201107.11+362544.9
20111+3626	ALI 414		2002	2	216	11.3	11.12	11.60			201107.11+362544.9
20111+3626	ALI 414		2015	4	215	11.6	11.12	11.60			201107.11+362544.9

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