19054+3803 AG 227

19^h 05^m 22.05^s +38° 03' 20.6" P.A. 31.00 sep 7.1 mag 10.68,11.20

Coord 2000	19054+3803	Discov num	AG 227	Comp		Coord arcsec 2000	19 05 22.05 +38 03 20.6
Date first	1903	Date last	2015	Obs	66
Pa first	8	Pa last	30.9	P.A. Now (θ)	30.9°
Sep first	5.7	Sep last	7.11	Sep. Now (ρ)	7.11"
Mag pri	10.68	Mag sec	11.20	delta mag (ΔM)	0.52	Spectral class
Pri motion ra	-020	Sec motion ra	+008
Pri motion dec	+006	Sec motion dec	+005
Notes	O B (Orbital solution, Blue magnitudes)

rPM=1.342

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lyra

Gaia DR2

2099195953468032000

ADS

12031

ORBITAL ELEMENTS

Period (P)	2873.5045y	± 1329.6073	Periastron (T)	2391.6582y	± 766.565	Semi-major axis (a)	23.54063a	± 10.02188
Eccentricity (e)	0.72958	± 0.2007	Inclination (i)	78.888°	± 6.154	Longitude of periastron (ω)	60.065°	± 47.149
Node (Ω)	68.739°	± 27.847	Notes			Reference	Izm2019
Equinox			Last observation	2015		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	28.0	6.863
2001	28.2	6.877
2002	28.4	6.891
2003	28.6	6.905
2004	28.8	6.919
2005	29.0	6.934
2006	29.2	6.948
2007	29.4	6.962
2008	29.6	6.977
2009	29.7	6.991
2010	29.9	7.006
2011	30.1	7.020
2012	30.3	7.035
2013	30.5	7.050
2014	30.7	7.064
2015	30.9	7.079
2016	31.0	7.094
2017	31.2	7.108
2018	31.4	7.123
2019	31.6	7.138
2020	31.8	7.153
2021	31.9	7.168
2022	32.1	7.183
2023	32.3	7.198
2024	32.5	7.213
2025	32.6	7.228
2026	32.8	7.243
2027	33.0	7.258
2028	33.2	7.273
2029	33.3	7.288
2030	33.5	7.303

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 19054+3803 AG 227 : NOTES

discov_num	notes	refcode
AG 227	Despite having an orbit, an optical pair based on parallax.	Mlk2022

REFERENCES

refcode	metd	author	reference
Izm2019	orb u	Izmailov, I.S.	2019AstL...45...30I
Izm2019		Ast. Lett. 45, 30, 2019
Izm2019		(Orbital elements from weighted solutions used when available (Table 2),
Izm2019		unweighted elements (Table 1) used for remaining 29 systems.)
Mlk2022	not -	Chulkov, D. & Malkov, O.	2022MNRAS.517.2925C
Mlk2022		MNRAS 517, 2925, 2022

DISCOVERER

idgroup	discov	author
1	AG	Astronomische Gesellschaft (see also ref codes KR and WFD)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19054+3803	AG 227		1998	34	28	6.9	10.68	11.20		DB	190522.05+380320.6
19054+3803	AG 227		2008	35	30	7.0	10.68	11.20		DB	190522.05+380320.6
19054+3803	AG 227		2011	42	30	7.0	10.68	11.20		DB	190522.05+380320.6
19054+3803	AG 227		2015	62	31	7.1	10.68	11.20		B	190522.05+380320.6

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

WDS 19054+3803 AG 227 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19054+3803 AG 227 : MEASURES

No records found.

WDS 19054+3803 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 19054+3803 : ALADIN DSS IMAGE @ 19^h 05^m 22.05^s +38° 03' 20.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19054+3803 AG 227 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		19054+3803	AG 227		31	7.1
Show		19051+3803	ALI 614		90	10.1	3
Show		19055+3812	DEA 197		103	9.2	10
Show		19049+3815	KOI1878		99	2.5	14
Show		19064+3753	KOI2156		305	3.3	16
Show		19044+3751	KOI4943		256	3.9	18
Show		19064+3750	J 767	AB	2	2.9	18
Show		19064+3750	J 767	AC	181	7.9	18
Show		19062+3820	KOI3395		172	3.7	20
Show		19068+3815	J 3213		201	2.6	22
Show		19071+3809	KOI4609		149	2.7	22
Show		19036+3812	ES 2672		296	12.2	23
Show		19062+3824	KOI1830		319	0.5	24
Show		19039+3819	TDT1205		159	4.1	24
Show		19074+3749	KOI6277		227	2.7	28
Show		19058+3831	STF2456	AB	341	17.4	29
Show		19058+3831	STF2456	AC	93	20.8	29
Show		19058+3831	STH 5	BE	358	26.3	29
Show		19058+3831	STF2456	BC	124	31.7	29
Show		19058+3831	STF2456	BD	9	69.8	29
Show		19034+3823	KOI 401		270	2.0	31
Show		19076+3819	KOI2314		201	4.1	31
Show		19079+3750	KOI 488		260	3.2	33
Show		19026+3758	KOI 299		351	2.6	33
Show		19027+3816	KOI 264	Aa,Ab	42	0.5	34
Show		19027+3816	DEA 446	AB	78	29.2	34
Show		19067+3832	DEA 138		246	7.3	34
Show		19082+3759	KOI3161		67	2.5	35
Show		19080+3817	DEA 321		47	13.2	35
Show		19053+3838	DEA 178		201	8.7	36
Show		19083+3754	KOI4655		116	3.2	36
Show		19023+3802	KOI4702		221	3.5	37
Show		19051+3840	KPP 433		200	3.1	37
Show		19086+3755	FYM 29	FI	350	24.8	38
Show		19056+3726	KOI1026		115	3.5	38
Show		19086+3755	STF2473	CD	294	6.2	39
Show		19086+3755	STF2472	CE	198	28.2	39
Show		19020+3801	ES 2033		262	5.6	39
Show		19086+3755	STF2472	BC	351	53.2	39
Show		19086+3755	STF2472	BD	346	56.8	39
Show		19086+3755	STF2472	AB	340	22.7	39
Show		19086+3755	STF2472	AC	348	75.4	39
Show		19086+3755	STF2472	AD	344	79.2	39
Show		19086+3755	STF2472	AE	332	53.3	39
Show		19086+3755	FYM 29	AF	241	120.0	39
Show		19086+3755	FYM 29	AG	258	63.9	39
Show		19086+3755	FYM 29	AH	192	46.6	39
Show		19086+3755	FYM 29	AJ	64	32.0	39
Show		19029+3830	KOI 268	AB	267	1.8	40
Show		19029+3830	KOI 268	AC	310	2.5	40
Show		19085+3750	KOI1021		307	3.6	40

WDS 19054+3803 : COMPONENTS

	A
B	pa=25.2° sep=6.74"

19054+3803 A

Componente originario normalizzato	AB		Coord arcsec 2000	190522.05+380320.6		Mag	10.68		PmRA	-20.00
PmDE	6.0

CCDM

Ccdm	19054+3803	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.04	DDEs	18.8
R dRAs	21	Year		Theta		Rho
Obs	2	Vmag	9.7	Sp		PmNote
PmRA	0	PmDE	-20	Dm number	+37 3335	Cat1	BD
Name2		Cat2		HD		M HD
ADS BDS	A12031	M ADS BDS		N IDS		IDS	19019N3754A
HIC

19054+3803 B

Componente originario normalizzato	AB		Coord arcsec 2000	190522.29+380326.7		Mag	11.2		PmRA	8.00
PmDE	5.0		Calc delta mag	0.52		Calc coord	yes

CCDM

Ccdm	19054+3803	RComp		Comp	B	Note1
Note2		Discov num	AG 227	DRAs		DDEs
R dRAs		Year	1950	Theta	018	Rho	6.2
Obs	13	Vmag	9.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A12031	M ADS BDS		N IDS		IDS	19019N3754B
HIC