21441+0709 STTA 222 (HD 206735)

21^h 44^m 07.92^s +07° 09' 29.7" P.A. 258.00 sep 87.4 mag 7.49,8.47 Sp F2V

Coord 2000	21441+0709	Discov num	STTA222	Comp		Coord arcsec 2000	21 44 07.92 +07 09 29.7
Date first	1874	Date last	2018	Obs	33
Pa first	258	Pa last	257.5	P.A. Now (θ)	257.5°
Sep first	87.5	Sep last	87.4	Sep. Now (ρ)	87.4"
Mag pri	7.49	Mag sec	8.47	delta mag (ΔM)	0.98	Spectral class	F2V (yellow-white)
Pri motion ra	-014	Sec motion ra	-016
Pri motion dec	+034	Sec motion dec	+033
Notes	N (See Notes)

rPM=0.061 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 206735		Constellation	Pegasus		SAO	127028		Tycho2	0555-00887-1
Gaia DR2	2701223546567215872		HD	206735		DM	BD+06 4891

WDS 21441+0709 STTA 222 (HD 206735) : NOTES

discov_num	notes	refcode
STTA222	B is BD+06@4891.

REFERENCES

refcode	metd	author	reference
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
21441+0709	STTA222		2005	23	258	87.4	7.49	8.47	F2V	N D	214407.92+070929.7
21441+0709	STTA222		2012	25	258	87.6	7.49	8.47	F2V	N	214407.92+070929.7
21441+0709	STTA222		2017	28	257	87.4	7.49	8.47	F2V	N	214407.92+070929.7
21441+0709	STTA222		2018	32	258	87.4	7.49	8.47	F2V	N	214407.92+070929.7

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

WDS 21441+0709 STTA 222 (HD 206735) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21441+0709 STTA 222 (HD 206735) : MEASURES

No records found.

WDS 21441+0709 (HD 206735) : 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 21441+0709 (HD 206735) : ALADIN DSS IMAGE @ 21^h 44^m 07.92^s +07° 09' 29.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21441+0709 STTA 222 (HD 206735) : 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		21441+0709	STTA222		258	87.4	1
Show		21436+0700	HJ 3053		190	24.3	13
Show		21423+0715	HU 279		356	2.5	29
Show		21419+0708	HJ 3050		37	20.9	34
Show		21469+0722	J 202		183	3.3	43
Show		21465+0635	UC 4556		339	4.7	50
Show		21465+0632	STT 450		255	44.3	52
Show		21417+0625	HU 278	AB	202	3.0	57
Show		21417+0625	HU 278	AC	233	18.5	57
Show		21445+0607	HDS3096		79	1.3	63
Show		21439+0812	UC 4540		92	48.4	64
Show		21465+0611	GRV 502		204	30.4	69
Show		21399+0623	OSO 151	AB	101	3.8	79
Show		21399+0623	OSO 151	AC	269	15.8	79
Show		21423+0555	HU 280			0.1	80
Show		21386+0704	SKF2553		300	34.6	83
Show		21462+0536	HJ 3057		7	21.2	100
Show		21376+0643	STT 443	AB	348	8.1	101
Show		21376+0643	FYM 46	AC	130	86.0	101
Show		21377+0637	STFA 56	AB	349	38.7	101
Show		21377+0637	STFA 56	AC	121	85.1	101
Show		21395+0544	FMR 164		88	148.3	111
Show		21442+0518	GWP3090		68	12.6	112
Show		21368+0643	SLN 41		125	3.4	113
Show		21403+0848	HJ 3047		37	18.2	114
Show		21492+0543	GIC 172		126	434.7	115
Show		21502+0558	CBL 600		253	12.0	115
Show		21424+0902	UC 4534		216	40.4	116
Show		21395+0534	CVR 912		105	24.1	118
Show		21385+0546	HJ 941		310	33.3	118
Show		21513+0808	STE 15	AB	248	5.9	121
Show		21513+0808	YSC 164	Aa,Ab	10	0.5	121
Show		21364+0753	HJ 938		123	11.4	123
Show		21521+0739	OSO 158	AB	126	10.4	123
Show		21521+0739	OSO 158	AC	30	13.2	123
Show		21480+0521	BRT2293		310	1.4	123
Show		21441+0506	TDS1144		115	1.1	124
Show		21369+0604	GWP3078		257	45.9	126
Show		21403+0516	SKF 484		23	14.9	127
Show		21483+0518	BRT2294		242	2.3	129
Show		21489+0523	HU 281		146	1.5	129
Show		21513+0821	STF2831		355	14.5	129
Show		21404+0514	DBR 329		304	5.5	129
Show		21504+0839	HJ 944		17	20.4	130
Show		21524+0623	SKF1871		253	7.0	132
Show		21361+0806	CVR1708		251	4.2	133
Show		21512+0546	HJ 3061		105	17.0	136
Show		21400+0911	CHR 105	AB	256	0.1	136
Show		21451+0925	GWP3091		119	16.9	137
Show		21377+0528	J 1406		207	2.5	138
Show		21385+0513	BAL2981		265	4.3	144

WDS 21441+0709 : COMPONENTS

	A
B	pa=257.4° sep=86.75"

21441+0709 A

Componente originario normalizzato	AB	Name	HD 206751	Coord arcsec 2000	214407.92+070929.7	Mag	7.49
Spectral class	F2V (yellow-white)	PmRA	-14.00	PmDE	34.0	SAO	127028
Tycho2	0555-00887-1	HD	206751	DM	BD+06 4892

Tycho2

Tycho2	0555-00887-1	Pflag		RAmdeg	326.03301419	DEmdeg	7.15825782
PmRA	-14.1	PmDE	34.0	E RAmdeg	4	E DEmdeg	5
E pmRA	1.6	E pmDE	1.6	EpRAm	1991.69	EpDEm	1991.57
Num	10	Q RAmdeg	1.0	Q DEmdeg	0.8	Q pmRA	0.9
Q pmDE	0.8	BTmag	7.875	E BTmag	0.015	VTmag	7.486
E VTmag	0.011	Prox	876	TYC	T	HIP
CCDM		RAdeg	326.03304639	DEdeg	7.15818083	EpRA 1990	1.88
EpDE 1990	1.86	E RAdeg	4.1	E DEdeg	4.9	Posflg
Corr	0.0

SAO

SAO	127028	DelFlag		RA1950		PmRA1950	-0.0013
DE1950		PmDE1950	0.046	Vmag	8.3	SpType	F2
Double code		Source	32	CatNum	10914	DM	BD+06 4892
DMcomp		BDsup		HD	206751	M HD	0
GC		RA1950rad	5.67950946	DE1950rad	0.12091257	PmRA2000	-0.0012
PmDE2000	0.041

CCDM

Ccdm	21441+0709	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.94	DDEs	30.5
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.9	Sp	F2	PmNote	*
PmRA	-6	PmDE	47	Dm number	+06 4892	Cat1	BD
Name2	+06 2978	Cat2	AGK2/3	HD	206751	M HD
ADS BDS	B11199	M ADS BDS		N IDS		IDS	21392N0642A
HIC

21441+0709 B

Componente originario normalizzato	AB	Coord arcsec 2000	214402.23+070910.8	Mag	8.47	PmRA	-16.00
PmDE	33.0	SAO	127025	Tycho2	0555-00243-1	HD	206735
DM	BD+06 4891	Calc delta mag	0.98	Calc coord	yes

Tycho2

Tycho2	0555-00243-1	Pflag		RAmdeg	326.00907291	DEmdeg	7.15295123
PmRA	-14.4	PmDE	33.2	E RAmdeg	7	E DEmdeg	8
E pmRA	1.7	E pmDE	1.7	EpRAm	1991.34	EpDEm	1991.24
Num	9	Q RAmdeg	1.0	Q DEmdeg	1.4	Q pmRA	1.0
Q pmDE	1.4	BTmag	8.957	E BTmag	0.018	VTmag	8.471
E VTmag	0.014	Prox	876	TYC	T	HIP
CCDM		RAdeg	326.00910639	DEdeg	7.15287611	EpRA 1990	1.85
EpDE 1990	1.90	E RAdeg	6.7	E DEdeg	7.9	Posflg
Corr	0.0

SAO

SAO	127025	DelFlag		RA1950		PmRA1950	-0.0007
DE1950		PmDE1950	0.044	Vmag	8.6	SpType	F5
Double code		Source	32	CatNum	10912	DM	BD+06 4891
DMcomp		BDsup		HD	206735	M HD	0
GC		RA1950rad	5.67909108	DE1950rad	0.1208214	PmRA2000	-0.0006
PmDE2000	0.039

CCDM

Ccdm	21441+0709	RComp		Comp	B	Note1
Note2		Discov num	STT4222	DRAs	-3.78	DDEs	11.2
R dRAs	10	Year	1874	Theta	258	Rho	87.8
Obs	8	Vmag	9.2	Sp	F5	PmNote	*
PmRA	-1	PmDE	48	Dm number	+06 4891	Cat1	BD
Name2	+06 2976	Cat2	AGK2/3	HD	206735	M HD
ADS BDS	B11199	M ADS BDS		N IDS		IDS	21392N0642B
HIC