21383-0020 STF 2811

21^h 38^m 17.70^s -00° 20' 16.1" P.A. 273.00 sep 31.1 mag 9.11,12.77 Sp F6V

Coord 2000	21383-0020	Discov num	STF2811	Comp		Coord arcsec 2000	21 38 17.70 -00 20 16.1
Date first	1895	Date last	2014	Obs	10
Pa first	268	Pa last	273.1	P.A. Now (θ)	273.1°
Sep first	29.6	Sep last	31.086	Sep. Now (ρ)	31.086"
Mag pri	9.11	Mag sec	12.77	delta mag (ΔM)	3.66	Spectral class	F6V (yellow-white)
Pri motion ra	+041	Sec motion ra	+027
Pri motion dec	-031	Sec motion dec	-005
Notes

rPM=0.575

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

WDS 21383-0020 STF 2811 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21383-0020	STF2811		1998	5	272	30.6	9.11	11.20	F6V	D	213817.70-002016.1
21383-0020	STF2811		2011	6	273	31.4	9.11	11.20	F6V	D	213817.70-002016.1
21383-0020	STF2811		2014	10	273	31.1	9.11	12.77	F6V		213817.70-002016.1

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

WDS 21383-0020 STF 2811 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21383-0020 STF 2811 : MEASURES

No records found.

WDS 21383-0020 : 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 21383-0020 : ALADIN DSS IMAGE @ 21^h 38^m 17.70^s -00° 20' 16.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21383-0020 STF 2811 : 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		21383-0020	STF2811		273	31.1
Show		21376-0023	STF2809	AB	163	31.1	12
Show		21376-0023	FYM9001	AC	18	37.8	12
Show		21376+0035	ARU 4		235	0.3	18
Show		21390-0002	CBL 532		263	80.6	22
Show		21371+0033	LAW 28	Aa,Ab	122	0.2	22
Show		21371+0033	LAW 28	AB	322	18.8	22
Show		21371-0007	WIS 350		42	147.9	23
Show		21395-0003	BU 1212	AB	156	0.1	26
Show		21395-0003	BU 1212	AB,C	178	36.2	26
Show		21365+0031	J 163		307	4.6	30
Show		21363-0032	ITF 183	AB	248	20.5	33
Show		21363-0032	ITF 183	AC	245	18.4	33
Show		21363-0032	ITF 170	BC	94	2.5	33
Show		21362-0030	ITF 168		144	4.4	34
Show		21404+0034	SMA 151		124	4.5	34
Show		21406-0023	CVR 914		12	29.8	35
Show		21406-0018	AOT 106		83	16.6	35
Show		21361-0032	ITF 169		135	4.2	36
Show		21404+0003	AOT 105		159	18.7	36
Show		21359-0028	ITF 172		333	3.2	37
Show		21372+0054	ARU 22		195	0.6	38
Show		21359+0041	HJ 3039		153	11.3	42
Show		21409-0035	J 1408		356	6.6	44
Show		21406+0051	SLW1247		225	162.8	47
Show		21416+0013	CHE 308		186	10.8	52
Show		21417-0024	UC 4532		160	17.3	52
Show		21415+0000	CHE 307		80	21.7	52
Show		21417-0036	J 1409		327	3.8	55
Show		21423+0021	CHE 312		282	24.0	61
Show		21408+0110	SLW1248		36	18.3	62
Show		21424+0027	STF2817	AB	155	26.1	63
Show		21424+0027	AOT 107	AC	157	35.7	63
Show		21424+0027	AOT 107	BC	174	6.4	63
Show		21422+0040	CHE 311		229	22.3	63
Show		21426-0013	UC 4535		143	19.5	65
Show		21424+0037	SMA 152	BC	112	30.8	66
Show		21426+0027	WAA9001		27	1.7	66
Show		21424+0037	SMA 152	AC	102	17.4	66
Show		21424+0037	BAL1236	AB	312	15.6	66
Show		21406+0116	CHE 306		183	25.0	66
Show		21428+0028	CHE 313		180	7.1	69
Show		21427-0039	WAA9002		80	1.2	69
Show		21421+0059	CHE 310		30	20.9	71
Show		21412+0117	BAL1235		319	8.9	72
Show		21421+0104	CHE 309		336	27.3	72
Show		21412+0118	TOB 318		104	29.0	73
Show		21404+0126	BAL1234		43	20.1	74
Show		21376+0137	JNN 291		345	0.4	78
Show		21435+0003	CHE 314		229	37.8	80
Show		21437+0030	CHE 315		334	9.6	84

WDS 21383-0020 : COMPONENTS

	A
B	pa=273.1° sep=31.09"

21383-0020 A

Componente originario normalizzato	AB		Coord arcsec 2000	213817.70-002016.1		Mag	9.11		Spectral class	F6V (yellow-white)
PmRA	41.00		PmDE	-31.0

CCDM

Ccdm	21383-0020	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.28	DDEs	-15.6
R dRAs	56	Year		Theta		Rho
Obs	2	Vmag	9.0	Sp	G0	PmNote	*
PmRA	33	PmDE	-28	Dm number	-00 4244	Cat1	BD
Name2	-00 2787	Cat2	AGK2/3	HD	205883	M HD
ADS BDS	B11110	M ADS BDS		N IDS		IDS	21331S0047A
HIC

21383-0020 B

Componente originario normalizzato	AB		Coord arcsec 2000	213815.63+002017.8		Mag	12.77		PmRA	27.00
PmDE	-5.0		Calc delta mag	3.66		Calc coord	yes

CCDM

Ccdm	21383-0020	RComp		Comp	B	Note1
Note2		Discov num	STF2811	DRAs	-2.34	DDEs	-14.6
R dRAs	56	Year	1904	Theta	268	Rho	29.1
Obs	1	Vmag	11.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	B11110	M ADS BDS		N IDS		IDS	21331S0047B
HIC