19280+1642 GWP 2855 (HD 231494)

19^h 27^m 58.17^s +16° 42' 10.0" P.A. 16.00 sep 14.6 mag 7.50,10.80 Sp G0

Coord 2000	19280+1642	Discov num	GWP2855	Comp		Coord arcsec 2000	19 27 58.17 +16 42 10.0
Date first	1953	Date last	2016	Obs	10
Pa first	14	Pa last	16	P.A. Now (θ)	16°
Sep first	14.3	Sep last	14.613	Sep. Now (ρ)	14.613"
Mag pri	7.50	Mag sec	10.80	delta mag (ΔM)	3.3	Spectral class	G0 (yellow)
Pri motion ra	+056	Sec motion ra
Pri motion dec	+023	Sec motion dec
Notes	V K (Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 231494		Constellation	Sagitta		SAO	104866		Tycho2	1600-01529-1
Gaia DR2	4322486324006100736		HD	231494		DM	BD+16 3862

WDS 19280+1642 GWP 2855 (HD 231494) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP		(RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP		(RA 12h00m to 23h59m, DEC +20 to -20 deg)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19280+1642	GWP2855		1998	3	16	14.6	7.50	10.80		V K	192758.17+164210.0
19280+1642	GWP2855		2001	4	16	14.4	7.50	10.80		V K	192758.17+164210.0
19280+1642	GWP2855		2015	5	16	14.6	7.50	10.80	G0	V K	192758.17+164210.0
19280+1642	GWP2855		2016	10	16	14.6	7.50	10.80	G0	V K	192758.17+164210.0

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

WDS 19280+1642 GWP 2855 (HD 231494) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19280+1642 GWP 2855 (HD 231494) : MEASURES

No records found.

WDS 19280+1642 (HD 231494) : VIRTUAL EYEPIECE

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

WDS 19280+1642 (HD 231494) : ALADIN DSS IMAGE @ 19^h 27^m 58.17^s +16° 42' 10.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19280+1642 GWP 2855 (HD 231494) : 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		19280+1642	GWP2855		16	14.6
Show		19268+1638	BPM1028		331	116.6	18
Show		19272+1626	HDS2765		177	0.4	20
Show		19281+1619	J 771	AB	92	3.6	23
Show		19281+1619	J 771	AC	273	9.2	23
Show		19284+1617	A 1650		46	0.2	26
Show		19291+1707	TDT1491		167	2.6	31
Show		19293+1615	A 1652		127	2.0	33
Show		19263+1706	TDT1459		237	2.5	34
Show		19302+1657	BPM1035		310	85.0	35
Show		19299+1618	LDS5878		330	3.2	37
Show		19287+1718	STE 1		240	6.0	38
Show		19283+1719	TDT1477		33	1.6	38
Show		19270+1606	A 1648		182	0.9	39
Show		19305+1724	WSS 3		206	1.5	47
Show		19244+1656	HDS2753	Aa,Ab	139	0.4	54
Show		19244+1656	STFA 41	AB	78	342.3	54
Show		19281+1739	STF2529		297	6.7	57
Show		19245+1613	TDT1434		108	0.5	59
Show		19259+1551	J 823		72	2.8	59
Show		19284+1544	TDT1481		90	2.8	59
Show		19317+1602	KPP1080		199	8.6	68
Show		19268+1749	TOI1196		200	1.7	69
Show		19241+1724	BPM1027		162	104.2	69
Show		19278+1533	TDS 995		262	0.9	69
Show		19260+1533	A 1647	AB	36	1.3	75
Show		19260+1533	A 1647	AC	81	10.3	75
Show		19260+1533	A 1647	AD	146	11.5	75
Show		19331+1655	BPM1089		88	35.8	75
Show		19259+1529	J 2967		200	6.2	77
Show		19263+1529	CVR 215		253	80.1	77
Show		19260+1529	TDT1455		323	3.0	78
Show		19226+1626	GWP2847		64	8.6	79
Show		19315+1804	L 29		346	13.4	80
Show		19296+1800	AG 231		239	4.5	81
Show		19329+1724	CLZ 76		160	150.6	83
Show		19222+1640	HO 105		189	2.8	83
Show		19316+1747	STF2536		120	1.8	84
Show		19324+1551	J 486		169	3.4	84
Show		19276+1806	TDT1471		105	0.6	85
Show		19225+1610	BPM1025		278	89.6	85
Show		19341+1635	BPM1112		197	63.4	89
Show		19290+1515	A 1651		253	0.2	89
Show		19343+1652	KPP4154		156	1.7	92
Show		19288+1511	ITF 195		182	5.7	93
Show		19331+1544	TOI1197		25	1.6	94
Show		19343+1616	BIG 3		286	9.8	95
Show		19282+1507	TDT1476		331	0.7	95
Show		19322+1756	DAM 354		333	12.2	96
Show		19346+1631	TDT1550		315	1.6	97
Show		19269+1818	HDS2764		115	0.3	98

WDS 19280+1642 : COMPONENTS

	A
B	pa=15.4° sep=14.57"

19280+1642 A

Componente originario normalizzato	AB	Name	HD 231494	Coord arcsec 2000	192758.17+164210.0	Mag	7.5
Spectral class	G0 (yellow)	PmRA	56.00	PmDE	23.0	SAO	104866
Tycho2	1600-01529-1	HD	231494	DM	BD+16 3862

Tycho2

Tycho2	1600-01529-1	Pflag		RAmdeg	291.99238698	DEmdeg	16.70278481
PmRA	56.2	PmDE	22.7	E RAmdeg	7	E DEmdeg	7
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.13	EpDEm	1991.01
Num	8	Q RAmdeg	0.7	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	1.1	BTmag	9.220	E BTmag	0.017	VTmag	8.613
E VTmag	0.013	Prox	999	TYC	T	HIP
CCDM		RAdeg	291.99224944	DEdeg	16.70273222	EpRA 1990	1.57
EpDE 1990	1.61	E RAdeg	6.7	E DEdeg	6.8	Posflg
Corr	-0.1

SAO

SAO	104866	DelFlag		RA1950		PmRA1950	0.0038
DE1950		PmDE1950	0.024	Vmag	8.3	SpType	G0
Double code		Source	28	CatNum	7465	DM	BD+16 3862
DMcomp		BDsup		HD	231494	M HD	0
GC		RA1950rad	5.0863813	DE1950rad	0.28971519	PmRA2000	0.0039
PmDE2000	0.023

19280+1642 B

Componente originario normalizzato	AB		Coord arcsec 2000	192758.44+164224.0		Mag	10.8		Calc delta mag	3.3
Calc coord	yes