19392+0524 HJ 2886 AB (Sig Aql)

19^h 39^m 11.64^s +05° 23' 52.0" P.A. 327.00 sep 48.0 mag 5.22,12.33 Sp B3V+B3V dist. 239.23 pc (780.37 l.y.)

Coord 2000	19392+0524	Discov num	HJ 2886	Comp	AB	Coord arcsec 2000	19 39 11.64 +05 23 52.0
Date first	1830	Date last	2015	Obs	8
Pa first	330	Pa last	327	P.A. Now (θ)	327°
Sep first	43.3	Sep last	48.002	Sep. Now (ρ)	48.002"
Mag pri	5.22	Mag sec	12.33	delta mag (ΔM)	7.11	Spectral class	B3V+B3V (blue-white/blue-white)
Pri motion ra	+004	Sec motion ra	+002
Pri motion dec	-004	Sec motion dec	-006
Notes	N (See Notes)

rPM=0.447

Nature of this double is uncertain.

19392+0524 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Sig Aql	124903	19 39 12 +05 23 52	HJ 2886 AB	2015	8	327	48.0	5.22	12.33	7.11		<===
Show		124903	19 39 12 +05 23 52	WAL 117 AC	2015	4	333	131.7	5.18	13.01	7.83

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Sig Aql	Constellation	Aquila	SAO	124903	HIP	96665
Tycho2	0487-03422-1	Gaia DR2	4291462091610511744	HD	185507	HR	7474
GC	27185	ADS	12737	BD	BD+05 4225	Bayer	Sigma Aquilae
Bayer name	Sig Aql	Flamsteed	44 Aquilae	Flamsteed name	44 Aql	Distance	239.23
Distance ly	780.37	Bayer greek	σ Aql

WDS 19392+0524 HJ 2886 AB (Sig Aql) : NOTES

discov_num	notes	refcode
HJ 2886	sig Aql = 44 Aql. A is a Beta Lyrae-type system, spectrum composite.
	Spectrum of B G8V.

REFERENCES

refcode	metd	author	reference
HJ_1826	Mb -	Herschel, J.F.W.	1826MmRAS...2..459H
HJ_1826		MemRAS 2, 459, 1826
HJ_1829a	Mb -	Herschel, J.F.W.	1829MmRAS...3...47H
HJ_1829a		MemRAS 3, 47, 1829
HJ_1829b	Mb -	Herschel, J.F.W.	1829MmRAS...3..177H
HJ_1829b		MemRAS 3, 177, 1829
HJ_1831	Ma -	Herschel, J.F.W.	1831MmRAS...4..331H
HJ_1831	+Mb	MemRAS 4, part 2, 331, 1831
HJ_1833a	Ma -	Herschel, J.F.W.	1833MmRAS...5...13H
HJ_1833a	+Mb	MemRAS 5, 13, 1833
HJ_1833b	orb -	Herschel, J.F.W.	1833MmRAS...5..171H
HJ_1833b		MemRAS 5, 171, 1833
HJ_1833c	Mb -	Herschel, J.F.W.	1833MmRAS...6....1H
HJ_1833c		MemRAS 6, 1, 1833
HJ_1833d	orb -	Herschel, J.F.W.	1833MmRAS...6..149H
HJ_1833d		MemRAS 6, 149, 1833
HJ_1835	Ma -	Herschel, J.F.W.	1835MmRAS...8...37H
HJ_1835	+Mb	MemRAS 8, 37, 1835
HJ_1836	Mb -	Herschel, J.F.W.	1836MmRAS...9..193H
HJ_1836		MemRAS 9, 193, 1836
HJ_1847a	Ma j	Herschel, J.F.W.	.
HJ_1847a	+Mb	Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b	Ma j	Herschel, J.F.W.	.
HJ_1847b		Cape Results, London, 1847
HJ_1850	orb -	Herschel, J.F.W.	1850MmRAS..18...47H
HJ_1850		MemRAS 18, 47, 1850
HJ_1870	Mb -	Herschel, J.F.W.	1870MmRAS..38....1H
HJ_1870		MemRAS 38, 1, 1870
HJ_1874A	-	Herschel, J.F.W.	1874MNRAS..35...28B
HJ_1874A		cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A	Ma -	Herschel, J.F.W.	1875AN.....85..323D
HJ_1875A	+Mb	cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A	Ma -	Herschel, J.F.W.	1880Obs.....3..508G
HJ_1880A	+Mb	cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B	Mb -	Herschel, J.F.W.	1880MNRAS..40..497B
HJ_1880B		cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A	Ma j	Herschel, J.F.W.	1897MNRAS..57..541S
HJ_1897A		cited by See (MNRAS 57, 541, 1897)
HJ_1905A	Ma -	Herschel, J.F.W.	1905LicOB...3..147A
HJ_1905A	+Mb	cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A	Ma -	Herschel, J.F.W.	1906MmRAS..56....1L
HJ_1906A	+Mb	cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B	Ma -	Herschel, J.F.W.	1906QB821.B972.....
HJ_1906B	+Mb	cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A	Mb -	Herschel, J.F.W.	1927sdsc.book......
HJ_1927A		cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A	Mb -	Herschel, J.F.W.	1932QB821.A43......
HJ_1932A		cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999	M j	Herschel, J.F.W.	...................
HJ_9999	+Ma	Unpublished, manuscript or reference not found.
Wal1934	Ma j	Wallenquist, A.	1934AnBos...6....3W
Wal1934		Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a	Zw -	Wallenquist, A.	1954MeUpp...85.....
Wal1944a		Medd. Uppsala Obs. #85, 1944
Wal1944a		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a		given for measures; default date = decade of publication added.)
Wal1944b	Zw -	Wallenquist, A.	1954MeUpp...87.....
Wal1944b		Medd. Uppsala Obs. #87, 1944
Wal1944b		(Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b		given for measures; default date = decade of publication added.)
Wal1947	Zw -	Wallenquist, A.	1947UppAn...2....2W
Wal1947		Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947		(A catalogue containing results of the two prior series, plus additional measures
Wal1947		with the 14-inch refractor and wedge photometer)
Wal1948	Zw -	Wallenquist, A.	1948UppAn...2....3W
Wal1948		Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948		(Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948		and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950	Zd -	Wallenquist, A.	1950MeUpp..103.....
Wal1950		Medd. Uppsala Obs. #103, 1950
Wal1954	Zw -	Wallenquist, A.	1954UppAn...4Q....W
Wal1954		Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954		("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954		values from numerous sources)
Wal1958	Zw -	Wallenquist, A.	1958MeUpp..118.....
Wal1958		Medd. Uppsala Obs. #118, 1958

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19392+0524	HJ 2886	AB	2000	6	327	48.0	5.22	12.33	B3V+B3V	N D	193911.64+052352.0
19392+0524	HJ 2886	AB	2015	8	327	48.0	5.22	12.33	B3V+B3V	N	193911.64+052352.0

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

WDS 19392+0524 HJ 2886 AB (Sig Aql) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19392+0524 HJ 2886 AB (Sig Aql) : MEASURES

No records found.

WDS 19392+0524 (Sig Aql) : 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 19392+0524 (Sig Aql) : ALADIN DSS IMAGE @ 19^h 39^m 11.64^s +05° 23' 52.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19392+0524 HJ 2886 AB (Sig Aql) : 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		19392+0524	HJ 2886	AB	327	48.0
Show		19392+0524	WAL 117	AC	333	131.7
Show		19379+0527	GWP2870		237	308.8	20
Show		19375+0553	HEI 874	AB	77	2.0	38
Show		19419+0517	TDT1648		196	0.7	41
Show		19421+0545	HEI 876		146	0.8	48
Show		19406+0434	J 3327		347	5.0	52
Show		19420+0453	GCB 47		103	5.9	53
Show		19427+0518	TDT1663		293	0.8	53
Show		19395+0431	BAL2949		238	17.9	54
Show		19416+0441	J 1288		337	3.9	56
Show		19362+0600	STF2543		151	11.5	58
Show		19355+0544	TDT1564		129	0.7	59
Show		19412+0615	TDT1634		274	0.4	60
Show		19429+0502	HWE 50		16	2.7	61
Show		19431+0502	DAM 174		246	7.8	63
Show		19403+0420	BU 977	AB	54	4.1	66
Show		19403+0420	BU 977	AC	292	49.9	66
Show		19417+0423	TDT1642		78	0.5	72
Show		19440+0512	SKF 282		244	13.7	73
Show		19384+0414	J 1682		62	3.3	74
Show		19432+0448	J 1290		214	2.5	74
Show		19357+0617	FMR 150		186	17.2	75
Show		19441+0528	J 2558		129	3.5	75
Show		19426+0621	TDT1661		258	1.2	78
Show		19442+0536	J 1861		22	7.8	78
Show		19339+0549	J 1287		197	4.0	84
Show		19445+0459	STF2566		232	26.9	84
Show		19336+0511	BAL2947		228	16.4	85
Show		19443+0437	J 3254		318	5.8	85
Show		19432+0624	TDS1008		100	1.4	85
Show		19441+0442	DAM 177		226	5.5	86
Show		19404+0400	TDT1621		219	0.6	86
Show		19336+0458	BAL2948		324	15.0	87
Show		19434+0627	J 1684		242	6.2	90
Show		19453+0523	J 2998	AB	88	6.3	93
Show		19453+0523	J 2998	AC	192	6.3	93
Show		19452+0500	A 373		10	2.8	93
Show		19367+0357	BAL2518		189	16.9	95
Show		19449+0602	J 1863		115	6.9	96
Show		19330+0546	A 367		305	1.0	96
Show		19434+0410	STT 381		2	14.6	97
Show		19330+0457	FMR 149		24	53.5	97
Show		19419+0354	TDT1649		88	0.6	99
Show		19389+0340	J 1853		62	7.1	102
Show		19433+0645	TDT1674		289	0.5	102
Show		19456+0450	HWE 51		200	18.8	102
Show		19422+0351	TDS1007		297	2.5	104
Show		19406+0338	HEI 875		352	2.2	108
Show		19331+0624	J 1286		278	8.5	109
Show		19326+0435	TDS 999		344	1.0	110

WDS 19392+0524 : COMPONENTS

	A	B
B	pa=327.1° sep=47.94"
C	pa=332.9° sep=131.54"	pa=336.2° sep=83.99"

19392+0524 A

Name	Sig Aql	Coord arcsec 2000	193911.64+052352.0	Mag	5.22	Spectral class	B3V (blue-white)
PmRA	4.00	PmDE	-4.0	SAO	124903	HIP	96665
Tycho2	0487-03422-1	HD	185507	HR	7474	GC	27185
BD	BD+05 4225	Bayer	Sigma Aquilae	Bayer name	Sig Aql	Flamsteed	44 Aquilae
Flamsteed name	44 Aql

Tycho2

Tycho2	0487-03422-1	Pflag		RAmdeg	294.79850847	DEmdeg	5.39777571
PmRA	2.5	PmDE	-2.7	E RAmdeg	3	E DEmdeg	3
E pmRA	0.7	E pmDE	0.7	EpRAm	1991.57	EpDEm	1991.44
Num	21	Q RAmdeg	0.7	Q DEmdeg	1.3	Q pmRA	0.7
Q pmDE	1.3	BTmag	5.177	E BTmag	0.014	VTmag	5.180
E VTmag	0.009	Prox	999	TYC	T	HIP	96665
CCDM		RAdeg	294.79850278	DEdeg	5.39778194	EpRA 1990	1.88
EpDE 1990	1.73	E RAdeg	3.1	E DEdeg	3.4	Posflg
Corr	0.2

SAO

SAO	124903	DelFlag		RA1950		PmRA1950	-0.0001
DE1950		PmDE1950	0.001	Vmag	5.2	SpType	B3
Double code		Source	70	CatNum	27185	DM	BD+05 4225
DMcomp		BDsup		HD	185507	M HD	0
GC	27185	RA1950rad	5.13443261	DE1950rad	0.09219643	PmRA2000	0.0001
PmDE2000	-0.001

Hipparcos

Catalog	H	HIP	96665	Proxy		RAhms	19 39 11.64
DEdms	+05 23 52.0	Vmag	5.18	VarFlag	2	R Vmag	H
RAdeg	294.798	DEdeg	5.39778	AstroRef		Plx	4.78
CCDM	19392+0524	N CCDM	I	Nsys	1	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	185507	BD	BD+05 4225
CD		CP		Dm number	+05 4225	VIred	0.01
SpType	B3V + B3V	R SpType		Coord arcsec 2000	193911.64+052352.0

Hipparcos 2

HIP	96665	Sn	7	So	0	Nc	1
RArad	5.1452044648	DErad	0.0942090769	Plx	4.18	PmRA	3.97
PmDE	-4.26	E RArad	0.38	E DErad	0.21	E Plx	0.4
E pmRA	0.49	E pmDE	0.36	Hpmag	5.1849	E Hpmag	0.0016
SHp	0.03	VA	1	BV	-0.001	E BV	0.004
VI	0.02

CCDM

Ccdm	19392+0524	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.35	DDEs	-8.3
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	5.2	Sp	B3	PmNote	*
PmRA	3	PmDE	-5	Dm number	+05 4225	Cat1	BD
Name2	+05 2775	Cat2	AGK2/3	HD	185507	M HD
ADS BDS	A12737	M ADS BDS		N IDS		IDS	19342N0510A
HIC	96665

19392+0524 B

Coord arcsec 2000	193909.90+052432.3		Mag	12.33		Spectral class	B3V (blue-white)		PmRA	2.00
PmDE	-6.0		Calc delta mag	7.11		Calc coord	yes

CCDM

Ccdm	19392+0524	RComp		Comp	B	Note1
Note2		Discov num	HJ 2886	DRAs		DDEs
R dRAs		Year	1903	Theta	328	Rho	47.8
Obs	4	Vmag	12.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A12737	M ADS BDS		N IDS		IDS	19342N0510B
HIC

19392+0524 C

Coord arcsec 2000	193907.63+052549.1		Mag	13.01		PmRA	-2.00		PmDE	-3.0
Calc delta mag	7.79		Calc coord	yes