21138+3500 J 3128 AB

21^h 13^m 46.12^s +34° 57' 57.1" P.A. 51.00 sep 5.0 mag 12.20,12.80

Coord 2000	21138+3500	Discov num	J 3128	Comp	AB	Coord arcsec 2000	21 13 46.12 +34 57 57.1
Date first	1941	Date last	2016	Obs	14
Pa first	50	Pa last	50.9	P.A. Now (θ)	50.9°
Sep first	4.7	Sep last	4.978	Sep. Now (ρ)	4.978"
Mag pri	12.20	Mag sec	12.80	delta mag (ΔM)	0.6	Spectral class
Pri motion ra	-019	Sec motion ra	+007
Pri motion dec	-015	Sec motion dec	+018
Notes

rPM=1.735

This double is not physical.

21138+3500 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 13 46 +34 57 57	J 3128 AB	2016	14	51	5.0	12.20	12.80	0.60		<===
Show			21 13 46 +34 57 57	J 3128 AC	2016	11	93	15.0	12.20	13.40	1.20

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1867211369517376384

WDS 21138+3500 J 3128 AB : NOTES

No records found.

DISCOVERER

discov	author
J	Jonckheere, R.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
21138+3500	J 3128	AB	2000	7	51	4.9	10.00	10.50			D	211346.12+345757.1
21138+3500	J 3128	AB	2011	8	52	5.0	10.00	10.50			D	211346.12+345757.1
21138+3500	J 3128	AB	2015	10	51	5.0	12.40	13.00				211346.12+345757.1
21138+3500	J 3128	AB	2016	14	51	5.0	12.40	13.00				211346.12+345757.1

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

WDS 21138+3500 J 3128 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21138+3500 J 3128 AB : MEASURES

No records found.

WDS 21138+3500 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 21138+3500 : ALADIN DSS IMAGE @ 21^h 13^m 46.12^s +34° 57' 57.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21138+3500 J 3128 AB : 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		21138+3500	J 3128	AB	51	5.0	1
Show		21138+3500	J 3128	AC	93	15.0	1
Show		21140+3504	ES 2258		178	3.0	8
Show		21139+3513	TDT2841		302	1.9	16
Show		21123+3453	SLE 370	AB	266	9.8	20
Show		21123+3453	SLE 370	AC	199	16.2	20
Show		21145+3437	HU 768		120	1.5	23
Show		21156+3512	TDT2863		205	2.5	27
Show		21130+3430	TDT2831		37	0.8	30
Show		21147+3529	TDT2852		79	1.4	33
Show		21125+3528	GRV 435		206	61.8	34
Show		21108+3502	TDT2808		306	3.9	37
Show		21146+3423	SLE 374		2	5.2	37
Show		21159+3428	SLE 377		50	8.7	41
Show		21143+3418	STTA216		48	102.8	41
Show		21107+3515	TDS1120		244	2.0	42
Show		21173+3457	TDT2886		82	0.5	44
Show		21116+3419	ES 2315	AB	35	4.1	44
Show		21116+3419	ES 2315	AC	58	11.1	44
Show		21121+3539	SEI1441		158	13.9	46
Show		21120+3541	TDT2818		115	0.7	49
Show		21136+3547	SEI1454		155	19.1	49
Show		21098+3504	ES 2257	AB	268	15.2	50
Show		21113+3419	ES 2314		186	4.3	50
Show		21105+3430	TDS1119		297	0.9	50
Show		21098+3504	ES 2257	BC	260	5.5	50
Show		21152+3544	SEI1475		266	5.5	50
Show		21097+3504	TDT2795		252	2.5	50
Show		21149+3546	SEI1467		129	4.9	50
Show		21099+3517	TDT2797		143	2.2	51
Show		21179+3454	STT 433	BC	141	13.2	52
Show		21179+3454	STT 433	AB	219	15.2	52
Show		21179+3454	SLE 382	AD	307	57.1	52
Show		21179+3454	STT 433	AC	184	22.1	52
Show		21179+3454	BU 9011	AE	67	34.4	52
Show		21171+3530	SLE 378		27	11.3	53
Show		21095+3506	TDT2791		252	2.0	54
Show		21181+3500	SLE 383		58	15.1	54
Show		21149+3407	J 3129	AB	323	4.7	54
Show		21149+3407	J 3129	AC	149	11.5	54
Show		21134+3404	SLE 371		270	12.6	55
Show		21094+3506	TDT2790		118	0.4	55
Show		21183+3456	FYM 142	GH	69	7.9	55
Show		21134+3553	SLE 372		59	11.1	56
Show		21100+3529	TDT2798		51	0.8	56
Show		21183+3456	FYM 142	DF	268	8.6	56
Show		21183+3456	BU 289	AB	128	0.8	56
Show		21183+3456	BU 289	AC	251	13.0	56
Show		21183+3456	SLE 384	AD	189	43.3	56
Show		21183+3456	FYM 142	AE	94	36.7	56
Show		21183+3456	FYM 142	AG	272	68.8	56

WDS 21138+3500 : COMPONENTS

	A	B
B	pa=50.9° sep=4.98"
C	pa=93.2° sep=15.00"	pa=109.7° sep=11.80"

21138+3500 A

Coord arcsec 2000

211346.12+345757.1

Mag

12.2

PmRA

-19.00

PmDE

-15.0

21138+3500 B

Coord arcsec 2000	211346.43+345800.2		Mag	12.8		PmRA	7.00		PmDE	18.0
Delta magnitude	0.6		Coordinate calculated	yes

21138+3500 C

Coord arcsec 2000	211347.34+345756.3		Mag	13.4		PmRA	-6.00		PmDE	-5.0
Delta magnitude	1.2		Coordinate calculated	yes