19518+0204 BAL 1533 (HD 187816)

19^h 51^m 49.52^s +02° 04' 24.9" P.A. 344.00 sep 7.6 mag 9.72,11.40 Sp F0

Coord 2000	19518+0204	Discov num	BAL1533	Comp		Coord arcsec 2000	19 51 49.52 +02 04 24.9
Date first	1909	Date last	2016	Obs	13
Pa first	343	Pa last	343.8	P.A. Now (θ)	343.8°
Sep first	7.8	Sep last	7.648	Sep. Now (ρ)	7.648"
Mag pri	9.72	Mag sec	11.40	delta mag (ΔM)	1.68	Spectral class	F0 (yellow-white)
Pri motion ra	-005	Sec motion ra	-004
Pri motion dec	+003	Sec motion dec	+005
Notes	N (See Notes)

rPM=0.349

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 187816		Constellation	Aquila		SAO	125148		Tycho2	0484-01872-1
Gaia DR2	4240686507185424896		HD	187816

WDS 19518+0204 BAL 1533 (HD 187816) : NOTES

discov_num	notes	refcode
BAL1533	J 1689.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19518+0204	BAL1533		1999	5	345	7.6	9.72	11.40	F0	N D	195149.52+020424.9
19518+0204	BAL1533		2000	6	344	7.6	9.72	11.40	F0	N D	195149.52+020424.9
19518+0204	BAL1533		2015	7	344	7.6	9.72	11.40	F0	N	195149.52+020424.9
19518+0204	BAL1533		2016	13	344	7.6	9.72	11.40	F0	N	195149.52+020424.9

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WDS 19518+0204 BAL 1533 (HD 187816) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19518+0204 BAL 1533 (HD 187816) : MEASURES

No records found.

WDS 19518+0204 (HD 187816) : VIRTUAL EYEPIECE

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WDS 19518+0204 (HD 187816) : ALADIN DSS IMAGE @ 19^h 51^m 49.52^s +02° 04' 24.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19518+0204 BAL 1533 (HD 187816) : 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		19518+0204	BAL1533		344	7.6
Show		19518+0216	BAL2009		236	18.7	12
Show		19527+0202	BAL1534		295	13.4	12
Show		19527+0207	BAL1535		237	9.8	14
Show		19542+0157	HZG 14	AB	93	162.0	38
Show		19501+0232	BAL2007		212	18.0	38
Show		19542+0157	ABT9002	BC	30	94.5	40
Show		19510+0126	BAL1531		197	15.8	41
Show		19496+0235	BAL2005		286	6.5	46
Show		19527+0251	BAL2010		10	16.0	49
Show		19486+0141	BAL1529	BC	220	10.3	54
Show		19486+0141	BAL1529	AB	36	22.7	54
Show		19486+0141	BAL1529	AC	32	12.4	54
Show		19543+0244	J 1291		338	3.0	55
Show		19513+0307	BAL2008		121	11.9	64
Show		19525+0100	EVS 2	AB	93	0.7	65
Show		19525+0100	KRV 27	AC	92	135.8	65
Show		19497+0108	GWP2898	AB	225	4.3	66
Show		19497+0108	GWP2898	AC	240	11.8	66
Show		19473+0154	BAL1528		36	10.1	70
Show		19521+0051	J 497		131	3.5	73
Show		19568+0155	A 2391	AB	1	0.3	76
Show		19568+0155	STF2601	AB,C	162	7.1	76
Show		19469+0142	BAL1527		55	4.8	78
Show		19571+0207	LDS1031		246	8.5	78
Show		19550+0308	DAM 358		35	3.6	81
Show		19552+0311	BAL2012	AB	351	16.3	84
Show		19552+0311	DAM 359	AC	16	7.6	84
Show		19490+0316	J 495		25	4.6	84
Show		19521+0041	J 828		195	2.2	85
Show		19525+0039	STF2589		293	4.9	87
Show		19476+0105	BUP 199	BC	198	29.1	87
Show		19476+0105	ENG 67	AB	108	96.0	88
Show		19476+0105	SHY 322	AD	263	999.9	88
Show		19476+0105	ENG 67	Aa,Ab	105	0.6	88
Show		19499+0041	RST5466		85	2.2	88
Show		19552-0051	BU 830		112	2.4	90
Show		19458+0157	PNT 2		61	225.0	91
Show		19574+0128	J 1870		283	7.7	91
Show		19461+0131	BAL1526		257	10.4	94
Show		19580+0142	BAL1538		214	16.6	95
Show		19460+0126	SKF 923		143	13.6	96
Show		19485+0326	A 2390	AB	288	2.6	96
Show		19485+0326	A 2390	AC	342	18.7	96
Show		19573+0256	J 2600		56	1.5	99
Show		19541+0343	J 2291		115	2.0	104
Show		19577+0259	A 2392		154	2.0	104
Show		19510-0021	GWP2902		259	30.5	105
Show		19540+0344	J 2290		353	4.4	106
Show		19554+0336	BAL2525		37	5.1	106
Show		19508-0019	GWP2900		45	150.9	107

WDS 19518+0204 : COMPONENTS

	A
B	pa=343.8° sep=7.65"

19518+0204 A

Componente originario normalizzato	AB	Name	HD 187816	Coord arcsec 2000	195149.52+020424.9	Mag	9.72
Spectral class	F0 (yellow-white)	PmRA	-5.00	PmDE	3.0	SAO	125148
Tycho2	0484-01872-1	HD	187816	DM	BD+01 4120

Tycho2

Tycho2	0484-01872-1	Pflag		RAmdeg	297.95635162	DEmdeg	2.07361029
PmRA	-5.4	PmDE	5.7	E RAmdeg	21	E DEmdeg	24
E pmRA	1.2	E pmDE	1.3	EpRAm	1986.36	EpDEm	1985.73
Num	8	Q RAmdeg	1.1	Q DEmdeg	0.7	Q pmRA	1.2
Q pmDE	0.6	BTmag	10.119	E BTmag	0.039	VTmag	9.718
E VTmag	0.039	Prox	999	TYC	T	HIP
CCDM		RAdeg	297.95636333	DEdeg	2.07359583	EpRA 1990	1.59
EpDE 1990	1.45	E RAdeg	21.6	E DEdeg	25.1	Posflg
Corr	0.0

SAO

SAO	125148	DelFlag		RA1950		PmRA1950	-0.0001
DE1950		PmDE1950	-0.006	Vmag	9.2	SpType	F0
Double code		Source	30	CatNum	6877	DM	BD+01 4120
DMcomp		BDsup		HD	187816	M HD	0
GC		RA1950rad	5.18928675	DE1950rad	0.03393386	PmRA2000	0.0001
PmDE2000	-0.008

CCDM

Ccdm	19518+0204	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.45	DDEs	24.6
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.3	Sp	F0	PmNote	*
PmRA	-6	PmDE	-7	Dm number	+01 4120	Cat1	BD
Name2	+01 2350	Cat2	AGK2/3	HD	187816	M HD
ADS BDS		M ADS BDS		N IDS		IDS	19468N0149A
HIC

19518+0204 B

Componente originario normalizzato	AB		Coord arcsec 2000	195149.38+020432.2		Mag	11.4		PmRA	-4.00
PmDE	5.0		Calc delta mag	1.68		Calc coord	yes

CCDM

Ccdm	19518+0204	RComp		Comp	B	Note1
Note2		Discov num	BAL1533	DRAs		DDEs
R dRAs		Year	1909	Theta	343	Rho	7.3
Obs	2	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS	N	N IDS		IDS	19468N0149B
HIC