21402+4316 STTA 221 AC

21^h 40^m 11.11^s +43° 16' 25.8" P.A. 253.00 sep 62.2 mag 5.28,10.26 Sp M1IIIab dist. 123.76 pc (403.71 l.y.)

Coord 2000	21402+4316	Discov num	STTA221	Comp	AC	Coord arcsec 2000	21 40 11.11 +43 16 25.8
Date first	1828	Date last	2003	Obs	23
Pa first	254	Pa last	252.8	P.A. Now (θ)	252.8°
Sep first	45.0	Sep last	62.21	Sep. Now (ρ)	62.21"
Mag pri	5.28	Mag sec	10.26	delta mag (ΔM)	4.98	Spectral class	M1IIIab (red)
Pri motion ra	+062	Sec motion ra	-004
Pri motion dec	+016	Sec motion dec	-014
Notes	N (See Notes)

rPM=1.132

This double is not physical.

21402+4316 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	75 Cyg	51167	21 40 11 +43 16 26	AC 20 AB	2016	17	329	2.7	5.28	10.10	4.82
Show		51167	21 40 11 +43 16 26	STTA 221 AC	2003	23	253	62.2	5.28	10.26	4.98		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV13834 Cyg	Constellation	Cygnus	SAO	51167	HIP	106999
Tycho2	3196-02204-1	Gaia DR2	1966944805097205120	HD	206330	HR	8284
GC	30338	ADS	15208	BD	BD+42 4177	Flamsteed	75 Cygni
Flamsteed name	75 Cyg	FK5	3730	Distance	123.76	Distance ly	403.71

WDS 21402+4316 STTA 221 AC : NOTES

discov_num	notes	refcode
AC 20	A: 75 Cyg

REFERENCES

refcode	metd	author	reference
AC_1857	Ma -	Clark, Alvan	1857MNRAS..17..257C
AC_1857		MNRAS 17, 257, 1857
AC_1859	Ma -	Clark, Alvan	1859MNRAS..20...55C
AC_1859		MNRAS 20, 55, 1859
AC_1864	Ma j	Clark, Alvan	...................
AC_1864		Harvard Observatory Log, scan by Jay Holberg.	...................
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		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
21402+4316	STTA221	AC	2003	19	253	62.2	5.28	10.26		D	214011.10+431625.7

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

WDS 21402+4316 STTA 221 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21402+4316 STTA 221 AC : MEASURES

No records found.

WDS 21402+4316 : 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 21402+4316 : ALADIN DSS IMAGE @ 21^h 40^m 11.11^s +43° 16' 25.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21402+4316 STTA 221 AC : 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		21402+4316	AC 20	AB	329	2.7
Show		21402+4316	STTA221	AC	253	62.2
Show		21395+4317	DA 14		350	3.9	8
Show		21392+4311	GIC 168		275	6.8	11
Show		21385+4317	DA 15		72	1.6	19
Show		21381+4258	ES 1458		187	2.9	30
Show		21389+4249	J 1232		204	2.7	31
Show		21427+4303	TDT3117		163	0.8	31
Show		21400+4348	TDT3097		253	0.4	32
Show		21365+4304	COU2233		121	0.1	42
Show		21360+4307	TDT3049		355	0.9	47
Show		21443+4256	TDT3129		76	0.9	49
Show		21362+4253	HO 463		180	0.5	50
Show		21368+4332	HJ 1666		238	8.1	52
Show		21355+4300	ES 1456		137	3.5	54
Show		21448+4254	TDT3132		293	2.0	56
Show		21392+4411	BU 1331		340	0.7	56
Show		21426+4226	STF2820	AB	230	16.0	57
Show		21426+4226	BU 1505	AC	200	33.6	57
Show		21426+4226	BU 1505	BC	177	21.4	57
Show		21454+4258	ES 1459		282	2.3	59
Show		21360+4237	ES 1457	AB	77	3.7	60
Show		21421+4414	A 403		74	0.6	61
Show		21346+4322	AG 418		113	13.9	61
Show		21443+4234	OSO 156	AB	331	7.6	63
Show		21443+4234	OSO 156	AC	57	16.1	63
Show		21443+4234	OSO 156	AD	18	22.7	63
Show		21371+4409	POP 139		183	1.0	63
Show		21391+4421	HJ 1673		80	5.4	66
Show		21398+4211	TDT3094		229	2.9	66
Show		21434+4417	HJ 1685		239	18.6	70
Show		21454+4356	HO 168	AB	42	0.8	70
Show		21454+4356	HO 168	AC	267	18.7	70
Show		21454+4356	HO 168	AD	21	28.3	70
Show		21454+4356	HO 168	AE	22	28.3	70
Show		21462+4254	COU1979		261	0.4	70
Show		21409+4205	TDT3104		233	2.2	72
Show		21462+4239	ES 1460	AB	8	1.8	77
Show		21462+4239	ES 1460	AC	238	20.3	77
Show		21333+4306	ES 1455		293	6.6	79
Show		21474+4256	A 405		277	1.9	82
Show		21422+4434	ES 1341	AB	280	5.9	82
Show		21422+4434	ES 1341	AC	327	33.5	82
Show		21361+4206	TDT3050		310	0.7	84
Show		21448+4425	COU2234		84	0.1	85
Show		21380+4153	A 402		47	0.8	88
Show		21395+4144	FOX 262	EF	46	41.7	93
Show		21395+4144	BU 449	AB	14	6.0	94
Show		21395+4144	STT 447	AC	176	14.0	94
Show		21395+4144	BU 449	AD	248	18.9	94
Show		21395+4144	STT 447	AE	43	29.1	94

WDS 21402+4316 : COMPONENTS

	A	B
B	pa=336.5° sep=2.51"
C	pa=247.0° sep=47.02"	pa=243.9° sep=47.06"

21402+4316 A

Name	75 Cyg	Coord arcsec 2000	214011.11+431625.8	Mag	5.28	Spectral class	M2III (red)
PmRA	62.00	PmDE	16.0	SAO	51167	HIP	106999
Tycho2	3196-02204-1	HD	206330	HR	8284	GC	30338
ADS	15208	BD	BD+42 4177	Flamsteed	75 Cygni	Flamsteed name	75 Cyg
FK5	3730

Tycho2

Tycho2	3196-02204-1	Pflag		RAmdeg	325.04629665	DEmdeg	43.27383202
PmRA	62.8	PmDE	13.3	E RAmdeg	4	E DEmdeg	3
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.34	EpDEm	1991.59
Num	13	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.8
Q pmDE	1.0	BTmag	7.201	E BTmag	0.015	VTmag	5.280
E VTmag	0.009	Prox	626	TYC	T	HIP	106999
CCDM		RAdeg	325.04609417	DEdeg	43.27380111	EpRA 1990	1.56
EpDE 1990	1.71	E RAdeg	3.5	E DEdeg	3.4	Posflg
Corr	0.1

SAO

SAO	51167	DelFlag		RA1950		PmRA1950	0.0049
DE1950		PmDE1950	0.022	Vmag	5.4	SpType	K5
Double code		Source	70	CatNum	30338	DM	BD+42 4177
DMcomp		BDsup		HD	206330	M HD	0
GC	30338	RA1950rad	5.6645493	DE1950rad	0.7512975	PmRA2000	0.0052
PmDE2000	0.019

Hipparcos

Catalog	H	HIP	106999	Proxy		RAhms	21 40 11.06
DEdms	+43 16 25.7	Vmag	5.09	VarFlag	1	R Vmag	H
RAdeg	325.046	DEdeg	43.2738	AstroRef		Plx	8.06
CCDM	21401+4316	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	206330	BD	BD+42 4177
CD		CP		Dm number	+42 4177	VIred	1.96
SpType	M1IIIvar	R SpType		Coord arcsec 2000	214011.06+431625.7

Hipparcos 2

HIP	106999	Sn	1	So	0	Nc	1
RArad	5.6731244488	DErad	0.7552702995	Plx	8.08	PmRA	61.45
PmDE	16	E RArad	0.36	E DErad	0.39	E Plx	0.53
E pmRA	0.39	E pmDE	0.45	Hpmag	5.18	E Hpmag	0.0016
SHp	0.015	VA	2	BV	1.601	E BV	0.006
VI	1.92

21402+4316 B

Coord arcsec 2000

214011.02+431628.1

Mag

10.1

Calc delta mag

4.82

Calc coord

yes

21402+4316 C

Coord arcsec 2000	214007.15+431607.4		Mag	10.26		PmRA	-4.00		PmDE	-14.0
Calc delta mag	4.98		Calc coord	yes