19450+1551 HDS 2803

19^h 45^m 02.58^s +15° 50' 30.1" P.A. 139.00 sep 2.0 mag 8.93,12.72 Sp F2 dist. 2777.78 pc (9061.12 l.y.)

Coord 2000	19450+1551	Discov num	HDS2803	Comp		Coord arcsec 2000	19 45 02.58 +15 50 30.1
Date first	1991	Date last	1991	Obs	2
Pa first	139	Pa last	138.7	P.A. Now (θ)	138.7°
Sep first	2.1	Sep last	2.04	Sep. Now (ρ)	2.04"
Mag pri	8.93	Mag sec	12.72	delta mag (ΔM)	3.79	Spectral class	F2 (yellow-white)
Pri motion ra	+002	Sec motion ra	+003
Pri motion dec	+006	Sec motion dec	+005
Notes	X (Dubious double)

rPM=0.224 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Aquila	SAO	105210	HIP	97172	Tycho2	1615-02978-1
Gaia DR2	4318596178842479616	HD	353625	BD	BD+15 3924	Distance	2777.78
Distance ly	9061.12

WDS 19450+1551 HDS 2803 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19450+1551	HDS2803		1991	2	139	2.0	8.93	12.72	F2		194502.58+155030.1

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

WDS 19450+1551 HDS 2803 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19450+1551 HDS 2803 : MEASURES

No records found.

WDS 19450+1551 : VIRTUAL EYEPIECE

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WDS 19450+1551 : ALADIN DSS IMAGE @ 19^h 45^m 02.58^s +15° 50' 30.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19450+1551 HDS 2803 : 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		19450+1551	HDS2803		139	2.0
Show		19450+1547	BPM1453		17	93.9	4
Show		19446+1547	BPM1435		208	33.5	8
Show		19451+1543	BPM1467		97	28.9	8
Show		19446+1557	BPM1431	AB	314	69.3	10
Show		19457+1550	BPM1488		93	100.3	10
Show		19448+1542	BPMA163		15	267.7	10
Show		19446+1557	BPM1432	BC	230	118.9	11
Show		19458+1554	BPM1492		13	66.3	12
Show		19456+1543	BPM1485		298	114.0	12
Show		19441+1547	BPM1416		137	95.3	14
Show		19443+1540	BPM1422		6	116.7	15
Show		19449+1607	BPM1451		110	62.7	17
Show		19459+1602	BPM1498		127	114.8	17
Show		19451+1533	BPM1459	AB	322	95.3	18
Show		19451+1533	BPM1460	AC	340	92.3	18
Show		19462+1557	BPM1510		26	113.5	18
Show		19463+1553	BPM1512		324	23.5	18
Show		19462+1542	BPMA172		99	280.1	19
Show		19459+1536	BPMA170		336	123.3	20
Show		19438+1542	BPM1400		249	109.8	21
Show		19438+1539	BPM1408		35	110.6	21
Show		19436+1544	BPM1395		181	74.9	22
Show		19461+1606	BPM1504		13	51.9	22
Show		19439+1533	J 140		233	3.4	24
Show		19441+1531	BPM1411		310	92.0	25
Show		19439+1528	HJ 1432		120	9.8	25
Show		19469+1552	BPM1538		28	14.8	27
Show		19442+1528	DAM 176	AB	107	6.9	27
Show		19442+1528	DAM 176	AC	255	5.5	27
Show		19440+1529	DAM 175		300	4.3	27
Show		19436+1608	BPM1394		305	43.1	27
Show		19441+1528	TOB 303	AB	210	7.7	27
Show		19441+1528	TOB 303	AC	30	13.5	27
Show		19441+1528	TOB 303	AD	321	15.8	27
Show		19443+1615	BPM1425		218	34.8	27
Show		19444+1525	BPM1430		264	36.7	27
Show		19464+1533	BPM1525		130	100.3	27
Show		19469+1550	BPM1541		123	85.6	27
Show		19467+1536	BPM1533		32	118.9	28
Show		19437+1611	BPMA152		237	279.9	29
Show		19456+1523	BPM1480		345	31.2	29
Show		19432+1559	BPM1378		227	79.5	29
Show		19444+1618	BPM1427		303	73.7	29
Show		19446+1522	BPMA159		42	169.7	30
Show		19444+1619	BPM1429		358	106.2	30
Show		19463+1526	BPM1518		295	51.5	31
Show		19471+1559	BPM1549		216	85.1	31
Show		19470+1539	BPM1545		271	98.5	31
Show		19462+1524	BPM1508		247	112.9	32
Show		19446+1621	BPM1438		84	54.8	32

WDS 19450+1551 : COMPONENTS

	A
B	pa=139.8° sep=2.01"

19450+1551 A

Componente originario normalizzato	AB	Coord arcsec 2000	194502.58+155030.1	Mag	8.93	Spectral class	F2 (yellow-white)
PmRA	2.00	PmDE	6.0	SAO	105210	HIP	97172
Tycho2	1615-02978-1	HD	353625	BD	BD+15 3924

Tycho2

Tycho2	1615-02978-1	Pflag		RAmdeg	296.26076538	DEmdeg	15.84170019
PmRA	2.3	PmDE	5.6	E RAmdeg	7	E DEmdeg	8
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.31	EpDEm	1991.15
Num	7	Q RAmdeg	0.6	Q DEmdeg	0.9	Q pmRA	0.5
Q pmDE	0.9	BTmag	9.358	E BTmag	0.018	VTmag	8.931
E VTmag	0.014	Prox	20	TYC	T	HIP	97172
CCDM	A	RAdeg	296.26076000	DEdeg	15.84168722	EpRA 1990	1.72
EpDE 1990	1.74	E RAdeg	7.0	E DEdeg	8.1	Posflg
Corr	0.1

SAO

SAO	105210	DelFlag		RA1950		PmRA1950	0
DE1950		PmDE1950	0.018	Vmag	8.7	SpType	F5
Double code		Source	28	CatNum	7656	DM	BD+15 3924
DMcomp		BDsup		HD	353625	M HD	0
GC		RA1950rad	5.16077547	DE1950rad	0.27436171	PmRA2000	0.0001
PmDE2000	0.017

Hipparcos

Catalog	H	HIP	97172	Proxy	H	RAhms	19 45 02.58
DEdms	+15 50 30.1	Vmag	8.81	VarFlag		R Vmag	H
RAdeg	296.261	DEdeg	15.8417	AstroRef	A	Plx	-1.72
CCDM	19450+1551	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	D	M HIP	AB
Theta	139	Rho	2.052	HD	353625	BD	BD+15 3924
CD		CP		Dm number	+15 3924	VIred	0.51
SpType	F2	R SpType		Coord arcsec 2000	194502.58+155030.1

Hipparcos 2

HIP	97172	Sn	15	So	3	Nc	2
RArad	5.1707256674	DErad	0.2764896224	Plx	-0.36	PmRA	3.55
PmDE	5.56	E RArad	0.81	E DErad	0.7	E Plx	1.18
E pmRA	0.98	E pmDE	0.73	Hpmag	8.9079	E Hpmag	0.0013
SHp	0.016	VA	0	BV	0.416	E BV	0.072
VI	0.51

CCDM

Ccdm	19450+1551	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.59	DDEs	-29.9
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	8.9	Sp	F2	PmNote	*
PmRA	3	PmDE	5	Dm number	+15 3924	Cat1	BD
Name2	+15 2072	Cat2	AGK2/3	HD	353625	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	97172

19450+1551 B

Componente originario normalizzato	AB		Coord arcsec 2000	194502.67+155028.6		Mag	12.72		PmRA	3.00
PmDE	5.0		Calc delta mag	3.79		Calc coord	yes

CCDM

Ccdm	19450+1551	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.67	DDEs	-31.4
R dRAs	82	Year	1991	Theta	139	Rho	2.1
Obs	1	Vmag	12.7	Sp		PmNote	*
PmRA	3	PmDE	5	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	97172