21155+3613 SEI 1481 AB

21^h 15^m 35.17^s +36° 12' 44.5" P.A. 308.00 sep 13.9 mag 12.16,11.96

Coord 2000	21155+3613	Discov num	SEI1481	Comp	AB	Coord arcsec 2000	21 15 35.17 +36 12 44.5
Date first	1896	Date last	2015	Obs	9
Pa first	302	Pa last	307.5	P.A. Now (θ)	307.5°
Sep first	13.3	Sep last	13.907	Sep. Now (ρ)	13.907"
Mag pri	12.16	Mag sec	11.96	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-004	Sec motion ra	-004
Pri motion dec	-015	Sec motion dec	+002
Notes

rPM=1.095

This double is not physical.

21155+3613 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 15 35 +36 12 44	SEI 1481 AB	2015	9	308	13.9	12.16	11.96	0.20		<===
Show			21 15 35 +36 12 44	SEI 1480 AC	2015	10	346	15.3	12.16	12.11	0.05

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2714-00423-1

Gaia DR2

1867800948267629056

WDS 21155+3613 SEI 1481 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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21155+3613	SEI1481	AB	1998	3	307	13.8	12.16	11.96		D	211535.17+361244.5
21155+3613	SEI1481	AB	2002	4	307	13.8	12.16	11.96		D	211535.17+361244.5
21155+3613	SEI1481	AB	2011	5	307	13.9	12.16	11.96		D	211535.17+361244.5
21155+3613	SEI1481	AB	2015	6	308	13.9	12.16	11.96			211535.17+361244.5

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

WDS 21155+3613 SEI 1481 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21155+3613 SEI 1481 AB : MEASURES

No records found.

WDS 21155+3613 : 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 21155+3613 : ALADIN DSS IMAGE @ 21^h 15^m 35.17^s +36° 12' 44.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21155+3613 SEI 1481 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		21155+3613	SEI1481	AB	308	13.9
Show		21155+3613	SEI1480	AC	346	15.3
Show		21153+3617	ES 2199		98	4.3	6
Show		21150+3611	KPP1425		247	10.7	8
Show		21149+3612	SEI1469	AB	132	25.8	8
Show		21149+3612	SEI1470	AC	156	23.3	8
Show		21149+3612	ABH 142	AD	83	36.3	8
Show		21149+3612	ABH 142	AE	134	75.5	8
Show		21149+3612	ABH 142	AF	147	74.4	8
Show		21149+3612	ABH 142	AG	350	65.2	8
Show		21149+3612	ABH 142	AH	329	68.0	8
Show		21149+3612	ABH 142	AI	321	83.8	8
Show		21149+3612	ABH 142	AJ	315	93.9	8
Show		21149+3612	ABH 142	AK	315	102.1	8
Show		21149+3612	ABH 142	AL	268	62.6	8
Show		21149+3612	ABH 142	AM	240	112.5	8
Show		21149+3612	ABH 142	AN	259	109.0	8
Show		21149+3612	ABH 142	AO	98	127.1	8
Show		21154+3624	SEI1476		170	6.4	12
Show		21156+3600	SEI1479	AB	76	26.9	14
Show		21156+3600	SEI1479	AC	271	27.4	14
Show		21147+3558	SEI1466		127	16.6	18
Show		21148+3631	SEI1468		245	19.0	21
Show		21143+3627	SEI1459		187	14.7	21
Show		21151+3634	SEI1473		99	21.9	22
Show		21137+3602	SEI1455		139	3.2	25
Show		21145+3635	SEI1462		231	11.2	26
Show		21161+3548	SEI1483		206	10.2	26
Show		21176+3624	TDT2888		351	0.4	27
Show		21149+3546	SEI1467		129	4.9	29
Show		21152+3544	SEI1475		266	5.5	29
Show		21132+3602	TDT2834		174	0.5	31
Show		21137+3635	LDT 19		6	0.4	32
Show		21129+3612	SEI1448		208	25.2	32
Show		21171+3546	BU 162	AB	253	1.2	33
Show		21171+3546	BU 162	AC	131	15.6	33
Show		21129+3619	SEI1450		169	17.8	33
Show		21134+3553	SLE 372		59	11.1	33
Show		21128+3608	TDT2826		116	0.5	35
Show		21136+3547	SEI1454		155	19.1	36
Show		21186+3624	CRB 140		18	12.5	38
Show		21187+3604	TDT2896		231	2.5	39
Show		21147+3529	TDT2852		79	1.4	46
Show		21121+3554	SEI1442		86	12.8	46
Show		21171+3530	SLE 378		27	11.3	47
Show		21130+3648	SEI1452		336	26.5	47
Show		21117+3621	SEI1439	AB	195	26.6	47
Show		21117+3621	TOB 213	BC	171	16.5	48
Show		21168+3659	TDT2881		130	0.5	48
Show		21149+3702	COU1818		31	1.4	50
Show		21114+3623	SEI1437		165	24.4	52

WDS 21155+3613 : COMPONENTS

	A	B
B	pa=313.6° sep=12.28"
C	pa=348.9° sep=15.13"	pa=43.2° sep=8.75"

21155+3613 A

Coord arcsec 2000	211535.17+361244.5		Mag	12.16		PmRA	-4.00		PmDE	-15.0
Tycho2	2714-00423-1

Tycho2

Tycho2	2714-00423-1	Pflag		RAmdeg	318.89657446	DEmdeg	36.21237833
PmRA	-1.5	PmDE	-8.2	E RAmdeg	68	E DEmdeg	59
E pmRA	2.7	E pmDE	2.6	EpRAm	1982.24	EpDEm	1984.29
Num	4	Q RAmdeg	1.5	Q DEmdeg	0.8	Q pmRA	1.5
Q pmDE	0.8	BTmag	12.545	E BTmag	0.154	VTmag	12.157
E VTmag	0.145	Prox	999	TYC		HIP
CCDM		RAdeg	318.89657694	DEdeg	36.21239806	EpRA 1990	1.64
EpDE 1990	1.70	E RAdeg	72.6	E DEdeg	61.9	Posflg
Corr	0.1

21155+3613 B

Coord arcsec 2000	211534.43+361253.0		Mag	11.96		PmRA	-4.00		PmDE	2.0
Calc delta mag	0.2		Calc coord	yes

21155+3613 C

Coord arcsec 2000	211534.93+361259.3		Mag	12.11		PmRA	32.00		PmDE	-20.0
Calc delta mag	0.05		Calc coord	yes