16487+3556 STF 2104 AB (HD 151878)

16^h 48^m 41.48^s +35° 55' 19.3" P.A. 18.00 sep 5.7 mag 7.49,8.78 Sp F2 dist. 172.71 pc (563.38 l.y.)

Coord 2000	16487+3556	Discov num	STF2104	Comp	AB	Coord arcsec 2000	16 48 41.48 +35 55 19.3
Date first	1825	Date last	2020	Obs	78
Pa first	21	Pa last	18.2	P.A. Now (θ)	18.2°
Sep first	7.2	Sep last	5.749	Sep. Now (ρ)	5.749"
Mag pri	7.49	Mag sec	8.78	delta mag (ΔM)	1.29	Spectral class	F2 (yellow-white)
Pri motion ra	-021	Sec motion ra	-021
Pri motion dec	+004	Sec motion dec	+004
Notes

Nature of this double is uncertain.

16487+3556 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 151878	65569	16 48 41 +35 55 19	STF 2104 AB	2020	78	18	5.7	7.49	8.78	1.29		<===
Show		65569	16 48 41 +35 55 19	WAL 74 AC	2015	13	216	97.8	7.49	10.47	2.98

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 151878	Constellation	Hercules	SAO	65569	HIP	82275
Tycho2	2601-00209-1	Gaia DR2	1327114593471400448	HD	151878	GC	22639
BD	BD+36 2783	Distance	172.71	Distance ly	563.38

WDS 16487+3556 STF 2104 AB (HD 151878) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		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
16487+3556	STF2104	AB	2006	64	21	5.9	7.49	8.78	F2	D	164841.48+355519.3
16487+3556	STF2104	AB	2013	66	18	5.5	7.49	8.78	F2	D	164841.48+355519.3
16487+3556	STF2104	AB	2015	68	19	5.9	7.49	8.78	F2	D	164841.48+355519.3
16487+3556	STF2104	AB	2018	72	18	5.7	7.49	8.78	F2		164841.48+355519.3
16487+3556	STF2104	AB	2020	77	18	5.7	7.49	8.78	F2		164841.48+355519.3

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

WDS 16487+3556 STF 2104 AB (HD 151878) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16487+3556 STF 2104 AB (HD 151878) : MEASURES

No records found.

WDS 16487+3556 (HD 151878) : 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 16487+3556 (HD 151878) : ALADIN DSS IMAGE @ 16^h 48^m 41.48^s +35° 55' 19.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16487+3556 STF 2104 AB (HD 151878) : 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		16487+3556	STF2104	AB	18	5.7
Show		16487+3556	WAL 74	AC	216	97.8
Show		16495+3556	TDT 106		250	0.5	11
Show		16508+3552	TDT 114		235	0.7	27
Show		16509+3556	SKF1351	BC	105	177.1	28
Show		16509+3556	SKF1351	AB	245	12.6	28
Show		16509+3556	SKF1351	AC	108	167.7	28
Show		16509+3556	JNN 110	Ca,Cb	316	1.0	31
Show		16512+3555	RAO 359		320	1.1	31
Show		16489+3520	CRB 116		236	19.2	36
Show		16458+3538	STF2101	AB	47	4.1	40
Show		16458+3538	KPR 3	AC	88	235.0	40
Show		16458+3538	TOK 606	AD	122	978.0	40
Show		16521+3554	UC 3243		98	32.3	43
Show		16417+3628	BU 1199	AB	132	2.8	49
Show		16417+3628	BU 1199	AC	241	1.0	49
Show		16448+3544	STF2097	AB	80	1.9	49
Show		16448+3544	STF2097	AC	183	45.0	49
Show		16448+3544	POP1222	AD	7	158.5	49
Show		16524+3521	COU 987		207	1.5	60
Show		16434+3539	COU 986		221	1.3	67
Show		16454+3651	SKF 263		13	5.8	69
Show		16456+3705	ROE 49		80	10.7	79
Show		16555+3558	KPP1092		284	8.7	83
Show		16536+3456	CRB 117		152	15.6	84
Show		16556+3551	TDT 147		238	0.5	85
Show		16498+3421	RAO 358		106	0.4	96
Show		16558+3513	KPP1174	AB	237	9.2	97
Show		16557+3511	RUC 9	AB	348	1.5	98
Show		16557+3511	GII 238	Aa,Ab	131	0.1	98
Show		16408+3524	KPP4011		58	1.5	102
Show		16413+3505	KPP3414		219	22.0	104
Show		16437+3724	CRB 115		146	15.0	107
Show		16450+3412	UC 3222		33	44.6	113
Show		16578+3625	HJ 588		100	24.5	115
Show		16583+3611	CRB 118		38	50.7	118
Show		16586+3619	UC 3266	AB	240	19.4	123
Show		16548+3415	KPP1628		84	12.5	125
Show		16505+3800	COU1285		228	1.7	126
Show		16442+3750	CVR 190		148	87.9	128
Show		16450+3355	POP 5		140	0.7	129
Show		16424+3742	SLW1193		305	11.8	132
Show		16455+3350	SKF 262		146	8.2	132
Show		16550+3409	SLW1199		257	10.1	132
Show		16384+3514	COU 985		81	0.3	133
Show		16381+3636	SKF1762		267	1.3	135
Show		16551+3746	SLW1200		221	16.3	135
Show		16392+3707	SLW1191		96	155.2	136
Show		16558+3410	UC 3255		220	51.4	137
Show		16568+3420	RAO 362		333	2.4	138
Show		16422+3753	HDS2372		244	0.1	141

WDS 16487+3556 : COMPONENTS

	A	B
B	pa=14.9° sep=5.65"
C	pa=210.2° sep=91.91"	pa=209.3° sep=97.37"

16487+3556 A

Name	HD 151878	Coord arcsec 2000	164841.48+355519.3	Mag	7.49	Spectral class	F2 (yellow-white)
PmRA	-21.00	PmDE	4.0	SAO	65569	HIP	82275
Tycho2	2601-00209-1	HD	151878	GC	22639	BD	BD+36 2783

Tycho2

Tycho2	2601-00209-1	Pflag		RAmdeg	252.17276289	DEmdeg	35.92197761
PmRA	-25.8	PmDE	-28.4	E RAmdeg	5	E DEmdeg	5
E pmRA	2.6	E pmDE	2.7	EpRAm	1991.60	EpDEm	1991.60
Num	5	Q RAmdeg	5.8	Q DEmdeg	9.9	Q pmRA	6.0
Q pmDE	9.9	BTmag	7.914	E BTmag	0.016	VTmag	7.486
E VTmag	0.011	Prox	58	TYC	T	HIP	82275
CCDM	A	RAdeg	252.17283472	DEdeg	35.92204000	EpRA 1990	1.71
EpDE 1990	1.70	E RAdeg	4.5	E DEdeg	4.8	Posflg
Corr	0.0

SAO

SAO	65569	DelFlag		RA1950		PmRA1950	-0.0018
DE1950		PmDE1950	0.002	Vmag	7.3	SpType	F2
Double code		Source	70	CatNum	22639	DM	BD+36 2783
DMcomp		BDsup		HD	151878	M HD	0
GC	22639	RA1950rad	4.39341873	DE1950rad	0.62846084	PmRA2000	-0.0015
PmDE2000	0.004

Hipparcos

Catalog	H	HIP	82275	Proxy	H	RAhms	16 48 41.48
DEdms	+35 55 19.3	Vmag	7.21	VarFlag		R Vmag	G
RAdeg	252.173	DEdeg	35.922	AstroRef	A	Plx	5.91
CCDM	16487+3555	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	18	Rho	5.697	HD	151878	BD	BD+36 2783
CD		CP		Dm number	+36 2783	VIred	0.44
SpType	F2...	R SpType		Coord arcsec 2000	164841.48+355519.3

Hipparcos 2

HIP	82275	Sn	15	So	3	Nc	2
RArad	4.4012463469	DErad	0.6269578717	Plx	5.79	PmRA	-20.52
PmDE	3.81	E RArad	0.44	E DErad	0.54	E Plx	0.62
E pmRA	0.49	E pmDE	0.62	Hpmag	7.3228	E Hpmag	0.0018
SHp	0.014	VA	0	BV	0.379	E BV	0.001
VI	0.44

16487+3556 B

Coord arcsec 2000	164841.60+355524.8		Mag	8.78		PmRA	-21.00		PmDE	4.0
Tycho2	2601-01210-1		Calc delta mag	1.29		Calc coord	yes

Tycho2

Tycho2	2601-01210-1	Pflag		RAmdeg	252.17339119	DEmdeg	35.92363643
PmRA	-25.0	PmDE	31.8	E RAmdeg	8	E DEmdeg	9
E pmRA	4.4	E pmDE	4.2	EpRAm	1991.69	EpDEm	1991.61
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	9.118	E BTmag	0.018	VTmag	8.775
E VTmag	0.015	Prox	58	TYC	T	HIP	82275
CCDM	B	RAdeg	252.17346222	DEdeg	35.92356306	EpRA 1990	1.75
EpDE 1990	1.69	E RAdeg	7.9	E DEdeg	8.9	Posflg
Corr	0.1

16487+3556 C

Coord arcsec 2000	164837.67+355359.9		Mag	10.47		PmRA	-6.00		PmDE	-20.0
Tycho2	2601-00180-1		Calc delta mag	2.98		Calc coord	yes

Tycho2

Tycho2	2601-00180-1	Pflag		RAmdeg	252.15313913	DEmdeg	35.90011671
PmRA	7.5	PmDE	-22.6	E RAmdeg	24	E DEmdeg	25
E pmRA	3.2	E pmDE	3.1	EpRAm	1988.89	EpDEm	1988.51
Num	4	Q RAmdeg	1.2	Q DEmdeg	1.6	Q pmRA	1.2
Q pmDE	1.6	BTmag	11.134	E BTmag	0.051	VTmag	10.473
E VTmag	0.042	Prox	975	TYC	T	HIP
CCDM		RAdeg	252.15311694	DEdeg	35.90016222	EpRA 1990	1.66
EpDE 1990	1.67	E RAdeg	27.7	E DEdeg	30.2	Posflg
Corr	0.1