20405+4010 SEI 1214 AB

20^h 40^m 26.92^s +40° 10' 39.8" P.A. 78.00 sep 20.3 mag 10.79,11.92

Coord 2000	20405+4010	Discov num	SEI1214	Comp	AB	Coord arcsec 2000	20 40 26.92 +40 10 39.8
Date first	1892	Date last	2015	Obs	12
Pa first	80	Pa last	78.4	P.A. Now (θ)	78.4°
Sep first	19.3	Sep last	20.298	Sep. Now (ρ)	20.298"
Mag pri	10.79	Mag sec	11.92	delta mag (ΔM)	1.13	Spectral class
Pri motion ra	-008	Sec motion ra	-005
Pri motion dec	-019	Sec motion dec	-013
Notes

rPM=0.325

Nature of this double is uncertain.

20405+4010 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 40 27 +40 10 40	SEI 1214 AB	2015	12	78	20.3	10.79	11.92	1.13		<===
Show			20 40 29 +40 10 44	TOB 196 BC	2015	12	32	23.4	11.92	12.26	0.34

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3170-01279-1

Gaia DR2

2064513027397048576

WDS 20405+4010 SEI 1214 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
20405+4010	SEI1214	AB	1998	6	79	20.2	10.79	11.78		D	204026.92+401039.8
20405+4010	SEI1214	AB	2002	7	79	20.2	10.79	11.78		D	204026.92+401039.8
20405+4010	SEI1214	AB	2015	8	79	20.3	10.79	11.92			204026.92+401039.8

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

WDS 20405+4010 SEI 1214 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20405+4010 SEI 1214 AB : MEASURES

No records found.

WDS 20405+4010 : 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 20405+4010 : ALADIN DSS IMAGE @ 20^h 40^m 26.92^s +40° 10' 39.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20405+4010 SEI 1214 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		20405+4010	SEI1214	AB	78	20.3
Show		20405+4010	TOB 196	BC	32	23.4	1
Show		20395+4002	BRT2269		199	5.0	15
Show		20402+3953	MLB 885		72	1.7	18
Show		20392+4017	ES 1980		60	8.3	18
Show		20420+4015	A 1433		24	0.8	19
Show		20419+3956	SEI1221		254	2.0	23
Show		20419+3953	SEI1222		77	25.4	24
Show		20416+3950	COU2290		43	0.5	25
Show		20426+4013	TDT2488		138	0.5	26
Show		20396+4035	STT 410	AB	3	0.9	27
Show		20396+4035	STT 410	AB,C	70	68.6	27
Show		20396+4035	STT 410	AB,D	327	106.6	27
Show		20387+4024	ES 1979		303	7.6	27
Show		20382+4022	TDT2439		22	0.4	29
Show		20379+4005	ES 1978		136	2.9	30
Show		20379+4014	SEI1199		99	9.3	31
Show		20427+3947	TDT2491		275	1.4	35
Show		20434+4001	BRT2272		285	5.1	36
Show		20432+4026	COU2421		110	0.3	36
Show		20422+4041	MLB 23		41	7.6	37
Show		20429+4036	MLB 24		175	5.9	39
Show		20436+4024	DAM1256		106	9.6	39
Show		20374+3952	TDT2430		172	1.3	40
Show		20382+3938	MLB 778		285	8.3	42
Show		20413+4051	COU2419		69	0.8	43
Show		20367+4021	NML 2		350	0.6	44
Show		20434+3943	TDT2497		317	0.5	45
Show		20440+4030	SLN 85		203	9.1	46
Show		20377+4029	HJ 610		176	25.6	48
Show		20444+4027	TDT2510		157	0.9	49
Show		20362+4008	BRT2267		163	4.4	50
Show		20363+3955	TDT2410		76	0.6	51
Show		20453+4010	COU2293		201	1.1	55
Show		20446+4040	HJ 1573		274	9.8	56
Show		20446+4041	HJ 1574		278	7.4	57
Show		20454+4011	TDT2518		203	0.7	57
Show		20454+4023	OSO 133	AB	114	12.0	58
Show		20454+4023	OSO 133	AC	236	11.7	58
Show		20454+4023	OSO 133	AD	67	21.8	58
Show		20454+4023	OSO 133	AE	8	22.4	58
Show		20438+3928	SEI1230		124	25.3	59
Show		20456+4014	TDT2519		347	1.3	60
Show		20441+3927	ES 1981		310	4.5	61
Show		20390+4109	TDT2451		105	0.7	61
Show		20392+3910	MLB 954	AB	57	3.1	62
Show		20392+3910	MLB 954	AC	284	109.5	62
Show		20396+3908	SEI1210		303	12.0	63
Show		20435+3919	SEI1229		156	19.6	64
Show		20410+3905	MCA 62	Aa,Ab	276	0.1	67
Show		20410+3905	HJ 612	AB	9	48.9	67

WDS 20405+4010 : COMPONENTS

	A	B
B	pa=78.5° sep=20.11"
C	pa=50.7° sep=37.72"	pa=25.4° sep=22.04"

20405+4010 A

Coord arcsec 2000	204026.92+401039.8		Mag	10.79		PmRA	-8.00		PmDE	-19.0
Tycho2	3170-01279-1

Tycho2

Tycho2	3170-01279-1	Pflag		RAmdeg	310.11216262	DEmdeg	40.17773110
PmRA	-7.4	PmDE	-19.4	E RAmdeg	27	E DEmdeg	27
E pmRA	1.6	E pmDE	1.6	EpRAm	1986.05	EpDEm	1986.66
Num	5	Q RAmdeg	0.7	Q DEmdeg	1.2	Q pmRA	0.8
Q pmDE	1.1	BTmag	11.536	E BTmag	0.060	VTmag	10.792
E VTmag	0.050	Prox	201	TYC	T	HIP
CCDM		RAdeg	310.11217694	DEdeg	40.17777556	EpRA 1990	1.62
EpDE 1990	1.73	E RAdeg	35.0	E DEdeg	32.2	Posflg
Corr	0.0

20405+4010 B

Coord arcsec 2000	204028.64+401043.8		Coord calc	204028.64+401043.8		Mag	11.92		PmRA	-5.00
PmDE	-13.0		Tycho2	3170-00848-1		Calc delta mag	1.13

Tycho2

Tycho2	3170-00848-1	Pflag		RAmdeg	310.11932111	DEmdeg	40.17884071
PmRA	-4.4	PmDE	-12.8	E RAmdeg	59	E DEmdeg	55
E pmRA	1.9	E pmDE	1.8	EpRAm	1978.86	EpDEm	1979.48
Num	4	Q RAmdeg	2.4	Q DEmdeg	1.0	Q pmRA	2.3
Q pmDE	0.9	BTmag	12.139	E BTmag	0.112	VTmag	11.775
E VTmag	0.127	Prox	201	TYC		HIP
CCDM		RAdeg	310.11932917	DEdeg	40.17886917	EpRA 1990	1.63
EpDE 1990	1.74	E RAdeg	63.9	E DEdeg	58.6	Posflg
Corr	0.0

20405+4010 C

Coord arcsec 2000	204029.47+401103.7		Mag	12.26		PmRA	-2.00		PmDE	-1.0
Tycho2	3170-00772-1		Calc delta mag	1.47		Calc coord	yes

Tycho2

Tycho2	3170-00772-1	Pflag		RAmdeg	310.12386686	DEmdeg	40.18430502
PmRA	2.5	PmDE	-7.1	E RAmdeg	98	E DEmdeg	92
E pmRA	2.3	E pmDE	2.1	EpRAm	1962.97	EpDEm	1961.21
Num	4	Q RAmdeg	1.1	Q DEmdeg	2.6	Q pmRA	1.1
Q pmDE	2.6	BTmag	12.814	E BTmag	0.212	VTmag	12.267
E VTmag	0.174	Prox	232	TYC		HIP
CCDM		RAdeg	310.12385444	DEdeg	40.18431000	EpRA 1990	1.63
EpDE 1990	1.73	E RAdeg	119.1	E DEdeg	113.4	Posflg
Corr	0.0