21054+3550 SEI 1396

21^h 05^m 27.63^s +35° 50' 15.0" P.A. 13.00 sep 27.7 mag 9.66,13.10

Coord 2000	21054+3550	Discov num	SEI1396	Comp		Coord arcsec 2000	21 05 27.63 +35 50 15.0
Date first	1896	Date last	2015	Obs	10
Pa first	16	Pa last	12.9	P.A. Now (θ)	12.9°
Sep first	26.9	Sep last	27.677	Sep. Now (ρ)	27.677"
Mag pri	9.66	Mag sec	13.10	delta mag (ΔM)	3.44	Spectral class
Pri motion ra	+003	Sec motion ra	-005
Pri motion dec	-015	Sec motion dec	-005
Notes

rPM=0.837

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2713-00405-1

Gaia DR2

1868295110026646400

WDS 21054+3550 SEI 1396 : 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
21054+3550	SEI1396		1998	3	13	27.6	9.66	11.70		D	210527.63+355015.0
21054+3550	SEI1396		2012	4	13	27.7	9.66	11.70		D	210527.63+355015.0
21054+3550	SEI1396		2015	7	13	27.7	9.66	13.10			210527.63+355015.0

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WDS 21054+3550 SEI 1396 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21054+3550 SEI 1396 : MEASURES

No records found.

WDS 21054+3550 : VIRTUAL EYEPIECE

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WDS 21054+3550 : ALADIN DSS IMAGE @ 21^h 05^m 27.63^s +35° 50' 15.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21054+3550 SEI 1396 : 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		21054+3550	SEI1396		13	27.7
Show		21048+3545	SEI1392		338	4.0	10
Show		21050+3559	SEI1395		133	21.1	11
Show		21061+3558	SEI1401		333	10.5	12
Show		21044+3551	SEI1390		343	17.4	13
Show		21042+3552	TDT2724		181	1.1	16
Show		21067+3554	GRV 418		216	58.1	16
Show		21056+3533	TDT2736		282	0.4	18
Show		21042+3542	SEI1387		133	9.1	18
Show		21048+3531	TDT2727	Ba,Bb	170	0.4	20
Show		21048+3531	GRV 410	BC	82	17.2	20
Show		21058+3610	SEI1398		36	30.5	21
Show		21048+3531	S 773	AB	30	86.3	22
Show		21059+3528	TDT2744		36	0.6	23
Show		21043+3608	HJ 1610		245	11.0	24
Show		21035+3549	B 2	A,BC	250	138.5	24
Show		21041+3609	SEI1386		152	25.9	25
Show		21042+3530	SEI1388		211	22.1	26
Show		21050+3526	STF2753		335	29.3	26
Show		21035+3549	B 2	BC	28	2.8	27
Show		21076+3546	ES 2254		275	8.6	27
Show		21030+3549	SEI1378		222	29.0	30
Show		21062+3520	GRV 417		143	41.2	32
Show		21029+3554	J 1078	AB	112	2.7	32
Show		21029+3554	J 1078	AC	137	24.4	32
Show		21066+3623	SEI1405		314	8.5	36
Show		21028+3534	BTG 6	BC	235	10.6	37
Show		21028+3534	BTG 6	BD	274	15.9	37
Show		21028+3534	SEI1375	AB	339	6.5	37
Show		21028+3534	SEI1376	AC	270	11.1	37
Show		21046+3628	SEI1391		329	23.9	39
Show		21087+3551	SEI1414	AB	34	10.4	40
Show		21087+3551	TOB 211	AC	355	23.5	40
Show		21075+3622	TDT2768		171	0.6	41
Show		21085+3608	SEI1413		111	29.6	42
Show		21058+3633	SEI1397		343	22.0	43
Show		21085+3614	SEI1412		64	9.3	44
Show		21037+3630	SEI1383		124	9.3	46
Show		21084+3618	CRB 138		128	22.9	46
Show		21091+3531	POP 26		242	4.8	49
Show		21082+3628	SEI1410		170	20.3	51
Show		21096+3548	SEI1420		122	6.4	52
Show		21059+3459	POP 24		247	8.2	52
Show		21013+3554	SEI1368		57	13.3	52
Show		21061+3459	POP 25		303	5.5	52
Show		21012+3602	CLP 1	BC	150	267.2	53
Show		21025+3512	CRB 136		267	20.1	53
Show		21030+3507	TDS1113		9	2.1	53
Show		21012+3602	CLP 1	AB	39	74.3	53
Show		21064+3643	SEI1403		123	11.4	54
Show		21071+3459	TDT2764		25	1.7	55

WDS 21054+3550 : COMPONENTS

	A
B	pa=10.5° sep=27.44"

21054+3550 A

Componente originario normalizzato	AB		Coord arcsec 2000	210527.63+355015.0		Mag	9.66		PmRA	3.00
PmDE	-15.0		Tycho2	2713-00405-1

Tycho2

Tycho2	2713-00405-1	Pflag		RAmdeg	316.36513962	DEmdeg	35.83750713
PmRA	-0.2	PmDE	-16.3	E RAmdeg	15	E DEmdeg	14
E pmRA	2.0	E pmDE	2.0	EpRAm	1990.43	EpDEm	1990.39
Num	5	Q RAmdeg	0.9	Q DEmdeg	0.3	Q pmRA	0.9
Q pmDE	0.3	BTmag	10.899	E BTmag	0.038	VTmag	9.662
E VTmag	0.021	Prox	695	TYC	T	HIP
CCDM		RAdeg	316.36513889	DEdeg	35.83754444	EpRA 1990	1.69
EpDE 1990	1.79	E RAdeg	16.4	E DEdeg	15.1	Posflg
Corr	0.1

21054+3550 B

Componente originario normalizzato	AB		Coord arcsec 2000	210528.04+355042.0		Mag	13.1		PmRA	-5.00
PmDE	-5.0		Calc delta mag	3.44		Calc coord	yes