20108+3552 SEI 954 (HD 228118)

20^h 10^m 45.56^s +35° 51' 38.1" P.A. 314.00 sep 4.8 mag 10.20,11.40

Coord 2000	20108+3552	Discov num	SEI 954	Comp		Coord arcsec 2000	20 10 45.56 +35 51 38.1
Date first	1896	Date last	2015	Obs	10
Pa first	311	Pa last	313.6	P.A. Now (θ)	313.6°
Sep first	4.8	Sep last	4.766	Sep. Now (ρ)	4.766"
Mag pri	10.20	Mag sec	11.40	delta mag (ΔM)	1.2	Spectral class
Pri motion ra	+000	Sec motion ra	-003
Pri motion dec	-002	Sec motion dec	-007
Notes

rPM=0.766

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 228118		Constellation	Cygnus		Tycho2	2683-02622-1		Gaia DR2	2058947643166392064
HD	228118

WDS 20108+3552 SEI 954 (HD 228118) : 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
20108+3552	SEI 954		2003	8	314	4.7	10.20	11.40		D	201045.56+355138.1
20108+3552	SEI 954		2015	10	314	4.8	10.20	11.40			201045.56+355138.1

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

WDS 20108+3552 SEI 954 (HD 228118) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20108+3552 SEI 954 (HD 228118) : MEASURES

No records found.

WDS 20108+3552 (HD 228118) : 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 20108+3552 (HD 228118) : ALADIN DSS IMAGE @ 20^h 10^m 45.56^s +35° 51' 38.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20108+3552 SEI 954 (HD 228118) : 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		20108+3552	SEI 954		314	4.8	1
Show		20105+3550	SEI 944		90	17.2	5
Show		20113+3551	BKO 100		91	6.3	7
Show		20113+3550	BU 430	AB	23	1.2	8
Show		20113+3550	BU 430	AC	173	7.2	8
Show		20113+3550	HJ 1489	AD	51	17.1	8
Show		20110+3559	SEI 961		20	13.9	8
Show		20114+3552	HJ 1490		355	8.6	9
Show		20115+3545	TDT2066		129	1.0	12
Show		20119+3551	SEI 983	AB	89	3.5	13
Show		20119+3551	SEI 983	AC	243	8.1	13
Show		20119+3551	BKO 102	AD	277	14.7	13
Show		20101+3602	SEI 938		22	5.4	14
Show		20119+3550	SEI 985	AB	17	16.6	15
Show		20119+3550	BKO 103	AC	92	8.1	15
Show		20117+3600	SEI 978		151	7.6	15
Show		20115+3604	SEI 972		147	23.9	15
Show		20115+3539	SEI 968		127	5.6	16
Show		20097+3600	SEI 936		122	27.9	16
Show		20118+3540	SEI 979		350	6.3	18
Show		20122+3548	SEI 992		77	26.4	18
Show		20122+3600	SEI 991		296	20.1	19
Show		20121+3603	SEI 990		296	26.7	20
Show		20109+3612	SEI 959		71	21.6	21
Show		20122+3603	SEI 994		250	27.1	21
Show		20124+3549	TOB 177		221	20.1	21
Show		20124+3545	BKO 104	AB	72	9.4	21
Show		20124+3545	BKO 104	AC	285	9.3	21
Show		20125+3552	SEI1001		188	29.2	22
Show		20114+3532	TDT2064		329	0.6	22
Show		20097+3535	SEI 935	AB	95	7.2	22
Show		20097+3535	SEI 934	AC	161	20.2	22
Show		20097+3535	BKO 98	CD	261	6.8	22
Show		20092+3540	SEI 922		215	18.5	23
Show		20105+3614	SEI 947		292	15.0	23
Show		20123+3540	FYM 582		267	4.9	23
Show		20107+3529	RAO 427		126	0.5	24
Show		20119+3612	BLL 46	AB	109	53.2	25
Show		20119+3612	BKO 101	AC	242	41.1	25
Show		20096+3532	SEI 931		81	16.0	25
Show		20113+3527	SEI 966		246	26.0	26
Show		20096+3530	BKO 97	EF	312	8.3	27
Show		20101+3617	SEI 939	AB	217	26.3	27
Show		20101+3617	WSI 152	AC	31	17.8	27
Show		20096+3530	SEI 930	AB	101	22.5	27
Show		20096+3530	BKO 97	AC	178	24.1	27
Show		20096+3530	BKO 97	AE	107	70.4	27
Show		20096+3530	BKO 97	CD	11	8.7	27
Show		20111+3619	RAO 428		292	1.0	28
Show		20120+3614	TOB 176		197	18.8	28
Show		20093+3529	SEI 924	CD	207	27.8	29

WDS 20108+3552 : COMPONENTS

	A
B	pa=319.6° sep=4.32"

20108+3552 A

Componente originario normalizzato	AB		Name	HD 228118		Coord arcsec 2000	201045.56+355138.1		Mag	10.2
PmRA	0.00		PmDE	-2.0

CCDM

Ccdm	20108+3552	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.32	DDEs	-16.2
R dRAs	45	Year		Theta		Rho
Obs	2	Vmag	10.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20070N3534A
HIC

20108+3552 B

Componente originario normalizzato	AB	Coord arcsec 2000	201045.33+355141.4	Mag	11.4	PmRA	-3.00
PmDE	-7.0	Tycho2	2683-02622-1	HD	228118	Calc delta mag	1.2
Calc coord	yes

Tycho2

Tycho2	2683-02622-1	Pflag		RAmdeg	302.68984544	DEmdeg	35.86059135
PmRA	-3.6	PmDE	-7.6	E RAmdeg	40	E DEmdeg	36
E pmRA	4.0	E pmDE	4.0	EpRAm	1989.69	EpDEm	1990.24
Num	3	Q RAmdeg	0.1	Q DEmdeg	0.4	Q pmRA	0.1
Q pmDE	0.4	BTmag	11.198	E BTmag	0.056	VTmag	10.990
E VTmag	0.067	Prox	782	TYC	T	HIP
CCDM		RAdeg	302.68985583	DEdeg	35.86060889	EpRA 1990	1.56
EpDE 1990	1.73	E RAdeg	40.9	E DEdeg	35.7	Posflg
Corr	0.0

CCDM

Ccdm	20108+3552	RComp		Comp	B	Note1
Note2		Discov num	SEI 954	DRAs		DDEs
R dRAs		Year	1896	Theta	311	Rho	4.9
Obs	5	Vmag	11.4	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20070N3534B
HIC