21191+3944 SEI 1501

21^h 19^m 07.08^s +39° 44' 08.3" P.A. 240.00 sep 29.7 mag 11.93,12.68

Coord 2000	21191+3944	Discov num	SEI1501	Comp		Coord arcsec 2000	21 19 07.08 +39 44 08.3
Date first	1895	Date last	2018	Obs	11
Pa first	240	Pa last	239.6	P.A. Now (θ)	239.6°
Sep first	29.1	Sep last	29.682	Sep. Now (ρ)	29.682"
Mag pri	11.93	Mag sec	12.68	delta mag (ΔM)	0.75	Spectral class
Pri motion ra	+000	Sec motion ra	-001
Pri motion dec	-004	Sec motion dec	-003
Notes

rPM=0.354

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1965558213555452416

WDS 21191+3944 SEI 1501 : 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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21191+3944	SEI1501		1999	4	239	29.4	10.50	11.00		D	211907.08+394408.3
21191+3944	SEI1501		2002	5	239	29.4	10.50	11.00		D	211907.08+394408.3
21191+3944	SEI1501		2010	6	239	29.4	11.93	12.68			211907.08+394408.3
21191+3944	SEI1501		2015	7	239	29.4	11.93	12.68			211907.08+394408.3
21191+3944	SEI1501		2018	11	240	29.7	11.93	12.68			211907.08+394408.3

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WDS 21191+3944 SEI 1501 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21191+3944 SEI 1501 : MEASURES

No records found.

WDS 21191+3944 : VIRTUAL EYEPIECE

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WDS 21191+3944 : ALADIN DSS IMAGE @ 21^h 19^m 07.08^s +39° 44' 08.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21191+3944 SEI 1501 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21191+3944	SEI1501		240	29.7
Show		21190+3945	STT 434	AB	122	24.4	2
Show		21190+3945	ARY 5	AC	317	97.2	2
Show		21196+3948	SEI1503	AB	278	9.7	8
Show		21196+3948	SEI1504	AC	66	22.5	8
Show		21196+3948	ABH 143	AD	119	104.7	8
Show		21196+3948	ABH 143	AE	161	54.4	8
Show		21196+3948	ABH 143	AF	229	50.9	8
Show		21196+3948	ABH 143	AG	45	111.9	8
Show		21196+3948	ABH 143	AH	66	86.5	8
Show		21196+3948	ABH 143	AI	74	124.3	8
Show		21184+3943	SEI1497		213	10.0	9
Show		21191+3954	SEI1502		274	13.1	11
Show		21199+3948	SEI1507		146	11.6	11
Show		21199+3957	SEI1506		60	7.8	17
Show		21184+3930	SEI1496		352	19.5	17
Show		21176+3945	STF2785		234	2.9	18
Show		21181+3929	MLB 895		182	5.7	19
Show		21175+3950	SEI1493		142	24.1	20
Show		21172+3936	LDS2504	BC	67	23.5	23
Show		21172+3936	SEI1490	AB	95	20.1	24
Show		21180+4003	LDS2506		161	14.1	24
Show		21209+4002	LDS2512		30	85.1	28
Show		21171+4001	A 1441	AB	273	0.2	30
Show		21171+4001	SEI1489	AC	102	16.4	30
Show		21171+4002	GRV 443		333	16.6	30
Show		21212+4003	COU2230		81	0.4	31
Show		21175+3919	MLB 959		291	7.8	32
Show		21209+4010	UC 259	AB	110	55.0	33
Show		21215+4002	SEI1511		283	28.5	33
Show		21165+3959	SEI1484		7	4.2	34
Show		21189+3909	AG 270		112	5.8	35
Show		21169+4009	COU1972		145	0.2	36
Show		21204+4017	RAO 451		116	2.8	36
Show		21190+3905	TOB 220	BC	75	12.5	39
Show		21190+3905	SEI1498	AB	89	28.9	39
Show		21224+3940	ALI1161		292	15.5	39
Show		21174+4020	SEI1492		246	24.6	42
Show		21221+4011	ES 2518		247	2.7	43
Show		21192+4026	LDS2508	AB	357	7.8	43
Show		21170+4020	SEI1487		238	21.2	44
Show		21176+4023	LDS2505		23	4.3	45
Show		21168+4019	TOB 219		212	35.0	45
Show		21169+3906	SEI1486		318	23.9	46
Show		21200+3854	SEI1505		341	10.8	51
Show		21181+3854	SEI1494		357	24.5	52
Show		21154+3912	MLB 894		200	3.1	53
Show		21146+3947	LDS2500		355	14.5	54
Show		21153+4017	A 1440		213	1.2	55
Show		21182+3850	ES 1993		264	9.4	55
Show		21169+3855	MLB1020		159	4.6	56

WDS 21191+3944 : COMPONENTS

	A
B	pa=232.7° sep=24.76"

21191+3944 A

Componente originario normalizzato	AB		Coord arcsec 2000	211907.08+394408.3		Mag	11.93		PmRA	0.00
PmDE	-4.0

CCDM

Ccdm	21191+3944	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.21	DDEs	13.5
R dRAs	45	Year		Theta		Rho
Obs	2	Vmag	10.5	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21152N3919A
HIC

21191+3944 B

Componente originario normalizzato	AB		Coord arcsec 2000	211905.37+394353.3		Mag	12.68		PmRA	-1.00
PmDE	-3.0		Calc delta mag	0.75		Calc coord	yes

CCDM

Ccdm	21191+3944	RComp		Comp	B	Note1
Note2		Discov num	SEI1501	DRAs		DDEs
R dRAs		Year	1895	Theta	239	Rho	29.1
Obs	1	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	21152N3919B
HIC