20101+0827 STF 2635 AC

20^h 10^m 07.83^s +08° 26' 37.8" P.A. 38.00 sep 88.9 mag 6.66,13.20 Sp F7V dist. 62.74 pc (204.66 l.y.)

Coord 2000	20101+0827	Discov num	STF2635	Comp	AC	Coord arcsec 2000	20 10 07.83 +08 26 37.8
Date first	1911	Date last	2015	Obs	9
Pa first	43	Pa last	37.9	P.A. Now (θ)	37.9°
Sep first	71.6	Sep last	88.878	Sep. Now (ρ)	88.878"
Mag pri	6.66	Mag sec	13.20	delta mag (ΔM)	6.54	Spectral class	F7V (yellow-white)
Pri motion ra	-061	Sec motion ra	-005
Pri motion dec	-173	Sec motion dec	+005
Notes	U (Proper motion indicates non-physical)

rPM=1.017

This double is not physical.

20101+0827 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 191533	125517	20 10 08 +08 26 38	STF 2635 AB	2016	31	80	7.7	6.66	10.19	3.53
Show		125517	20 10 08 +08 26 38	STF 2635 AC	2015	9	38	88.9	6.66	13.20	6.54		<===
Show		125517	20 10 08 +08 26 38	GMC 9 AD	2011	3	37	127.5	6.66	13.30	6.64

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Aquila	SAO	125517	HIP	99367	Tycho2	1072-02400-1
Gaia DR2	4251211582238735488	HD	191533	BD	BD+08 4358	Distance	62.74
Distance ly	204.66

WDS 20101+0827 STF 2635 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
GMc2011	C u	Micello, G.	2011JDSO....7...37M
GMc2011		JDSO 7, 37, 2011
GMc2011b	C w	Preti, L. & Micello, G.	2011JDSO....7..144P
GMc2011b		JDSO 7, 144, 2011
GMc2012	C u	Micello, G.	2012JDSO....8...28M
GMc2012		JDSO 8, 28, 2012
GMc2012b	P j	Micello, G.	.
GMc2012b	+C	Il Bollettino Delle Stelle Doppie 2, 14, 2012
GMc2012c	P+ w	Micello, G.	2012OED.....9..117M
GMc2012c	+E2	El Observador de Estrellas Dobles, Issue #9, 117, 2012
GMc2012d	C j	Adigrat, A. & Micello, G.	.
GMc2012d	+M	Il Bollettino Delle Stelle Doppie 2, 21, 2012
GMc2012e	C u	Micello, G.	2012JDSO....8..193M
GMc2012e		JDSO 8, 193, 2012
GMc2012f	P+ j	Micello, G.	.
GMc2012f	+C	Il Bollettino Delle Stelle Doppie 1, 14, 2012
GMc2012g	C u	Micello, G.	...................
GMc2012g		Webb Soc., Double Star Circ. 20, 2012
GMc2012h	M j	Micello, G.	.
GMc2012h		Il Bollettino Delle Stelle Doppie 2, 26, 2012
GMc2012i	P -	Micello, G.	.
GMc2012i		Il Bollettino Delle Stelle Doppie 3, 13, 2012
GMc2013	C j	Micello, G.	.
GMc2013		Il Bollettino Delle Stelle Doppie 4, 18, 2013
GMc2013b	P -	Micello, G.	.
GMc2013b		Il Bollettino Delle Stelle Doppie 5, 5, 2013
GMc2013c	C j	Micello, G.	.
GMc2013c		Il Bollettino Delle Stelle Doppie 6, 23, 2013
GMc2013c		(Date corrected from 2012.829 to 2012.892 before conversion to Julian epoch)
GMc2013d	C -	Micello, G.	.
GMc2013d	+P	Il Bollettino Delle Stelle Doppie 7, 9, 2013
GMc2014	C j	Micello, G.	.
GMc2014		Il Bollettino Delle Stelle Doppie 8, 21, 2014
GMc2016	C -	Micello, G.	.
GMc2016	+orb	Il Bollettino Delle Stelle Doppie 17, 5, 2016
GMc2019	C j	Micello, G.	.
GMc2019		Il Bollettino Delle Stelle Doppie 28, 15, 2019
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
20101+0827	STF2635	AC	2005	5	38	87.5	6.66	12.40	F7V	D	201007.83+082637.8
20101+0827	STF2635	AC	2011	6	38	87.5	6.66	13.20	F7V	D	201007.83+082637.8
20101+0827	STF2635	AC	2015	8	38	88.9	6.66	13.20	F7V	U	201007.83+082637.8

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WDS 20101+0827 STF 2635 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20101+0827 STF 2635 AC : MEASURES

No records found.

WDS 20101+0827 : VIRTUAL EYEPIECE

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WDS 20101+0827 : ALADIN DSS IMAGE @

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

Error -22130
Not valid ID.

Error -22130
Not valid ID.
Error -27220
Not valid ID.