21190+3905 SEI 1498 AB

21^h 18^m 54.68^s +39° 05' 27.7" P.A. 89.00 sep 28.9 mag 11.79,12.64

Coord 2000	21190+3905	Discov num	SEI1498	Comp	AB	Coord arcsec 2000	21 18 54.68 +39 05 27.7
Date first	1895	Date last	2017	Obs	13
Pa first	91	Pa last	88.7	P.A. Now (θ)	88.7°
Sep first	28.9	Sep last	28.9	Sep. Now (ρ)	28.9"
Mag pri	11.79	Mag sec	12.64	delta mag (ΔM)	0.85	Spectral class
Pri motion ra	-001	Sec motion ra	-004
Pri motion dec	-002	Sec motion dec	-005
Notes

rPM=0.663

Nature of this double is uncertain.

21190+3905 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 18 55 +39 05 28	SEI 1498 AB	2017	13	89	28.9	11.79	12.64	0.85		<===
Show			21 18 57 +39 05 27	TOB 220 BC	2017	8	75	12.5	12.64	14.90	2.26

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1964965890328462336

WDS 21190+3905 SEI 1498 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
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
Tob2000	Mb u	Tobal, T.	2000O&T....52...67T
Tob2000		Obs. et Travaux 52, 67, 2000
Tob2003	M+ j	Tobal, T.	...................
Tob2003	+Pa	OAG Gen. Cat. 10,000 vis. double star meas. 1970-2003 (J2000.0), 2003
Tob2003	+Z
Tob2005a	Pu j	Tobal, T.	...................
Tob2005a		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 1, 2004)
Tob2005b	Pu j	Tobal, T.	...................
Tob2005b		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 2, 2004)
Tob2005c	Pu j	Tobal, T.	...................
Tob2005c		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 3, 2004)
Tob2005d	Pp j	Tobal, T.	...................
Tob2005d		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 4, 2004)
Tob2005e	Pp j	Tobal, T.	...................
Tob2005e		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 5, 2004)
Tob2005f	Pp j	Tobal, T.	...................
Tob2005f		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 6, 2004)
Tob2005g	Pp j	Tobal, T.	...................
Tob2005g		Webb Soc. Double Star Circ. 13, 2005 (also OAG General Cat. Suppl. 7, 2004)
Tob2005h	Pu j	Tobal, T.	...................
Tob2005h		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 8, 2005)
Tob2005i	Pp j	Tobal, T.	...................
Tob2005i		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 9, 2005)
Tob2005j	Pp j	Tobal, T. & Martin, I.T.	...................
Tob2005j		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 10, 2005)
Tob2006a	Pp j	Tobal, T.	...................
Tob2006a		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 11, 2006)
Tob2006b	Pp j	Tobal, T.	...................
Tob2006b		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 12, 2006)
Tob2006c	Pa j	Tobal, T.	...................
Tob2006c		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 13, 2006)
Tob2006d	Pa j	Tobal, T.	...................
Tob2006d		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 14, 2006)
Tob2007a	Pu j	Tobal, T.	...................
Tob2007a		Webb Soc., Double Star Circ. 15, 2007 (also OAG General Cat. Suppl. 15, 2007)
Tob2007b	Pa j	Tobal, T.	...................
Tob2007b		Webb Soc., Double Star Circ. 16, 2008 (also OAG General Cat. Suppl. 20, 2007)
Tob2008	Pa j	Tobal, T.	...................
Tob2008		OAG General Cat. Suppl. 21, 2008
Tob2009	Pa j	Tobal, T.	...................
Tob2009		Webb Soc., Double Star Circ. 18, 2010 (also OAG General Cat. Suppl. 23, 2009)
Tob2012a	Pa j	Tobal, T.	...................
Tob2012a		GWP Catalog, part I (equatorial zone), OAG CPMWP Survey (2012)
Tob2012b	not -	Tobal, T.	...................
Tob2012b		private communication, 2012
Tob2012c	Pa j	Tobal, T.	...................
Tob2012c		Webb Soc., Double Star Circ. 20, 2012 (also OAG General Cat. Suppl. 26, 2010)
Tob2016	Pa j	Tobal, T.	...................
Tob2016		GWP Catalog, part II (equatorial zone), OAG CPMWP Survey (2016)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21190+3905	SEI1498	AB	1983	5	93	25.9	10.50	10.50			211854.68+390527.7
21190+3905	SEI1498	AB	1999	6	91	29.0	10.50	11.30			211854.68+390527.7
21190+3905	SEI1498	AB	2002	7	91	29.0	10.50	11.30			211854.68+390527.7
21190+3905	SEI1498	AB	2012	8	91	29.0	11.79	12.64			211854.68+390527.7
21190+3905	SEI1498	AB	2017	10	89	28.9	11.79	12.64			211854.68+390527.7

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

WDS 21190+3905 SEI 1498 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21190+3905 SEI 1498 AB : MEASURES

No records found.

WDS 21190+3905 : 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 21190+3905 : ALADIN DSS IMAGE @ 21^h 18^m 54.68^s +39° 05' 27.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21190+3905 SEI 1498 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		21190+3905	SEI1498	AB	89	28.9
Show		21190+3905	TOB 220	BC	75	12.5	1
Show		21189+3909	AG 270		112	5.8	5
Show		21181+3854	SEI1494		357	24.5	16
Show		21200+3854	SEI1505		341	10.8	17
Show		21182+3850	ES 1993		264	9.4	18
Show		21175+3919	MLB 959		291	7.8	21
Show		21169+3906	SEI1486		318	23.9	23
Show		21184+3930	SEI1496		352	19.5	26
Show		21181+3929	MLB 895		182	5.7	27
Show		21169+3855	MLB1020		159	4.6	27
Show		21203+3839	SEI1509		29	24.5	31
Show		21163+3856	TDT2875		144	1.8	32
Show		21202+3835	SEI1508		271	19.6	34
Show		21172+3936	LDS2504	BC	67	23.5	37
Show		21172+3936	SEI1490	AB	95	20.1	37
Show		21184+3943	SEI1497		213	10.0	39
Show		21191+3944	SEI1501		240	29.7	39
Show		21190+3945	STT 434	AB	122	24.4	40
Show		21190+3945	ARY 5	AC	317	97.2	40
Show		21154+3912	MLB 894		200	3.1	41
Show		21154+3902	SEI1477		59	20.8	41
Show		21176+3945	STF2785		234	2.9	43
Show		21222+3848	TDT2929		29	0.6	43
Show		21196+3948	SEI1503	AB	278	9.7	45
Show		21196+3948	SEI1504	AC	66	22.5	45
Show		21196+3948	ABH 143	AD	119	104.7	45
Show		21196+3948	ABH 143	AE	161	54.4	45
Show		21196+3948	ABH 143	AF	229	50.9	45
Show		21196+3948	ABH 143	AG	45	111.9	45
Show		21196+3948	ABH 143	AH	66	86.5	45
Show		21196+3948	ABH 143	AI	74	124.3	45
Show		21199+3948	SEI1507		146	11.6	45
Show		21226+3846	HDS3044		141	0.1	47
Show		21167+3826	SMA 148		357	3.9	48
Show		21175+3950	SEI1493		142	24.1	48
Show		21148+3901	ALI 966		99	6.6	48
Show		21191+3954	SEI1502		274	13.1	50
Show		21202+3818	PTT 18		124	6.6	50
Show		21149+3847	GUR 27		142	7.8	51
Show		21199+3815	ES 2062		327	4.0	51
Show		21194+3814	HO 286	AB	237	0.2	52
Show		21194+3814	CIA 5	Aa,Ab	230	0.0	52
Show		21194+3814	KRV 42	AC	256	65.7	52
Show		21148+3847	GUR 25		152	9.8	52
Show		21149+3844	GUR 26	AB	325	7.5	52
Show		21149+3844	GUR 26	AC	274	15.7	52
Show		21199+3957	SEI1506		60	7.8	53
Show		21224+3940	ALI1161		292	15.5	54
Show		21152+3833	ES 2061		298	3.4	55
Show		21166+3817	SMA 147		319	13.2	55

WDS 21190+3905 : COMPONENTS

	A	B
B	pa=91.0° sep=28.99"
C	pa=85.8° sep=38.44"	pa=70.3° sep=9.93"

21190+3905 A

Coord arcsec 2000

211854.68+390527.7

Mag

11.79

PmRA

-1.00

PmDE

-2.0

21190+3905 B

Coord arcsec 2000	211857.17+390527.2		Coord calc	211857.17+390527.2		Mag	12.64		PmRA	-4.00
PmDE	-5.0		Calc delta mag	0.85

21190+3905 C

Coord arcsec 2000	211857.97+390530.5		Mag	14.9		PmRA	17.00		PmDE	-2.0
Calc delta mag	3.11		Calc coord	yes