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Doubles in this session

Current system

20115+3545
TDT2066

Nearby doubles

6' : 20118+3540
SEI 979

6' : 20115+3539
SEI 968

6' : 20113+3550
BU 430AB

7' : 20114+3552
HJ 1490

8' : 20113+3551
BKO 100

8' : 20119+3551
SEI 983AB

8' : 20119+3550
SEI 985AB

9' : 20122+3548
SEI 992

11' : 20124+3545
BKO 104AB

12' : 20123+3540
FYM 582

12' : 20108+3552
SEI 954

12' : 20124+3549
TOB 177

13' : 20114+3532
TDT2064

14' : 20105+3550
SEI 944

15' : 20125+3552
SEI1001

16' : 20110+3559
SEI 961

16' : 20117+3600
SEI 978

17' : 20122+3600
SEI 991

18' : 20113+3527
SEI 966

19' : 20107+3529
RAO 427

20' : 20121+3603
SEI 990

20' : 20115+3604
SEI 972

20' : 20122+3603
SEI 994

25' : 20101+3602
SEI 938

25' : 20135+3551
SEI1018

25' : 20097+3535
SEI 935AB

Selections

Binocular doubles

Quadruple Systems

Multiple Systems

Neglected List I

Neglected List II

Herschel, J.F.W.

20115+3545 TDT2066

20^h 11^m 31.06^s +35° 44' 30.0" P.A. 129.00 sep 1.0 mag 12.17,12.19

Coord 2000	20115+3545		Discov num	TDT2066		Comp			Coord arcsec 2000	20 11 31.06 +35 44 30.0
Date first	1991		Date last	1991		Obs	1
Pa first	129		Pa last	129		P.A. Now (θ)	129°
Sep first	1.0		Sep last	1.0		Sep. Now (ρ)	1"
Mag pri	12.17		Mag sec	12.19		delta mag (ΔM)	0.02		Spectral class
Pri motion ra	+002		Sec motion ra	+002
Pri motion dec	-003		Sec motion dec	-003
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	128.7		Precise sep	0.99		Constellation	Cygnus		Tycho2	2683-03174-1
Gaia DR2	95681914112

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20115+3545	TDT2066		1991	1	129	1.0	12.17	12.19			201131.06+354430.0

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