20213+3758 LDS 1040 AC

20^h 21^m 21.32^s +37° 58' 23.5" P.A. 74.00 sep 206.3 mag 11.47,11.00

Coord 2000	20213+3758	Discov num	LDS1040	Comp	AC	Coord arcsec 2000	20 21 21.32 +37 58 23.5
Date first	1936	Date last	2015	Obs	9
Pa first	87	Pa last	73.5	P.A. Now (θ)	73.5°
Sep first	217.0	Sep last	206.261	Sep. Now (ρ)	206.261"
Mag pri	11.47	Mag sec	11.00	delta mag (ΔM)	0.47	Spectral class
Pri motion ra	+001	Sec motion ra	-004
Pri motion dec	-003	Sec motion dec	-014
Notes	N (See Notes)

rPM=0.83

This double is not physical.

20213+3758 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 21 21 +37 58 24	SEI 1098 AB	2015	9	146	21.7	11.47	12.90	1.43
Show			20 21 21 +37 58 24	LDS 1040 AC	2015	9	74	206.3	11.47	11.00	0.47		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3152-00260-1

Gaia DR2

2061019363559314048

WDS 20213+3758 LDS 1040 AC : NOTES

discov_num	notes	refcode
LDS1040	AC: Originally 20214+3758 LDS1040; found to share primary with
	20213+3758 SEI1098, so systems merged.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................
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
20213+3758	LDS1040	AC	1936	1	87	217.0	11.65	13.70			202121.32+375823.5
20213+3758	LDS1040	AC	2002	4	74	206.4	11.47	11.00		N	202121.32+375823.5
20213+3758	LDS1040	AC	2015	5	74	206.4	11.47	11.00		N	202121.32+375823.5

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

WDS 20213+3758 LDS 1040 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20213+3758 LDS 1040 AC : MEASURES

No records found.

WDS 20213+3758 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20213+3758 : ALADIN DSS IMAGE @ 20^h 21^m 21.32^s +37° 58' 23.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20213+3758 LDS 1040 AC : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20213+3758	SEI1098	AB	146	21.7
Show		20213+3758	LDS1040	AC	74	206.3
Show		20216+3807	SLE1013		351	15.1	10
Show		20207+3751	TDT2194		343	0.6	11
Show		20223+3759	SEI1105		188	17.6	12
Show		20206+3806	SLE1009		344	15.6	12
Show		20208+3748	SEI1095		63	24.7	12
Show		20212+3745	SLE1011		37	7.8	14
Show		20202+3755	TDT2182		183	0.5	15
Show		20198+3806	BKO 826		87	4.9	21
Show		20230+3752	TDS1066		285	1.0	21
Show		20195+3754	SLE1003		129	8.5	23
Show		20196+3808	SEI1084	AB	247	26.3	23
Show		20196+3808	TOB 185	AC	259	13.6	23
Show		20197+3743	ES 2505		247	8.3	25
Show		20193+3748	SLE1000		240	12.1	27
Show		20196+3820	A 1426		259	3.7	30
Show		20213+3726	KPP2090		335	16.9	33
Show		20236+3817	TDT2234		230	1.9	33
Show		20216+3725	SEI1100	AB	286	7.2	34
Show		20216+3725	SEI1100	AC	129	15.4	34
Show		20192+3822	ES 2504		110	7.7	35
Show		20189+3817	A 1425	AB	266	0.2	35
Show		20189+3817	A 1425	AB,C	310	9.1	35
Show		20206+3726	SEI1093		67	6.7	36
Show		20229+3829	BKO 833	BC	152	2.5	36
Show		20229+3829	MLB 773	AB	294	10.0	36
Show		20183+3802	SLE 993		70	16.4	37
Show		20243+3811	TDS1070		203	1.9	37
Show		20182+3803	SLE 991		131	11.8	38
Show		20216+3836	SEI1102		337	18.9	38
Show		20240+3820	TDS1068		259	1.3	38
Show		20199+3725	COU2287		309	0.2	38
Show		20219+3835	TDT2208		268	0.5	38
Show		20214+3720	SLE1012		302	10.6	39
Show		20191+3730	SLE 999		168	10.7	40
Show		20242+3819	SEI1116		342	30.3	40
Show		20194+3831	SLE1001		216	16.1	40
Show		20223+3837	BKO 832		334	5.1	41
Show		20189+3730	TDT2160		274	6.0	41
Show		20185+3735	TDT2155		125	0.6	41
Show		20221+3839	BKO 830		91	8.5	42
Show		20237+3729	CIA 20		300	0.0	42
Show		20202+3838	ES 2052		144	2.5	42
Show		20183+3820	CRB 10		39	5.0	42
Show		20248+3807	TDT2249		275	0.5	42
Show		20178+3802	RBR 25		107	11.4	43
Show		20238+3830	BUP 209	AB	320	38.5	43
Show		20238+3830	BUP 209	AC	296	65.8	43
Show		20238+3830	BKO 153	AD	119	54.6	43
Show		20204+3840	SEI1088	AB	238	4.3	43

WDS 20213+3758 : COMPONENTS

	A	B
B	pa=152.0° sep=20.34"
C	pa=69.4° sep=166.53"	pa=62.4° sep=165.15"

20213+3758 A

Coord arcsec 2000	202121.32+375823.5		Mag	11.47		PmRA	1.00		PmDE	-3.0
Tycho2	3152-00260-1

Tycho2

Tycho2	3152-00260-1	Pflag		RAmdeg	305.33885485	DEmdeg	37.97320411
PmRA	1.5	PmDE	-1.4	E RAmdeg	59	E DEmdeg	50
E pmRA	1.9	E pmDE	1.8	EpRAm	1978.74	EpDEm	1981.67
Num	5	Q RAmdeg	2.4	Q DEmdeg	1.9	Q pmRA	2.4
Q pmDE	1.9	BTmag	12.076	E BTmag	0.102	VTmag	11.649
E VTmag	0.107	Prox	999	TYC	T	HIP
CCDM		RAdeg	305.33884667	DEdeg	37.97320361	EpRA 1990	1.51
EpDE 1990	1.71	E RAdeg	63.6	E DEdeg	52.7	Posflg
Corr	0.1

20213+3758 B

Coord arcsec 2000	202122.13+375805.5		Mag	12.9		PmRA	1.00		PmDE	1.0
Calc delta mag	1.43		Calc coord	yes

20213+3758 C

Coord arcsec 2000	202134.50+375922.1		Mag	11		PmRA	-4.00		PmDE	-14.0
Calc delta mag	0.47		Calc coord	yes