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Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08495+0852 BU 1068 AB (HD 75300)

08^h 49^m 29.13^s +08° 51' 52.8" P.A. 321.00 sep 0.4 mag 8.07,9.35 Sp A5 dist. 151.06 pc (492.76 l.y.)

Coord 2000	08495+0852	Discov num	BU 1068	Comp	AB	Coord arcsec 2000	08 49 29.13 +08 51 52.8
Date first	1889	Date last	2012	Obs	30
Pa first	190	Pa last	321.1	P.A. Now (θ)	321.1°
Sep first	0.5	Sep last	0.376	Sep. Now (ρ)	0.376"
Mag pri	8.07	Mag sec	9.35	delta mag (ΔM)	1.28	Spectral class	A5 (white)
Pri motion ra	-023	Sec motion ra
Pri motion dec	+001	Sec motion dec
Notes	O (Orbital solution)

This double is physical.

08495+0852 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 75300	117168	08 49 29 +08 51 53	BU 1068 AB	2012	30	321	0.4	8.07	9.35	1.28	Y	<===
Show		117168	08 49 29 +08 51 53	BU 1068 AB,C	2015	10	313	17.7	7.41	12.80	5.39

Triple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 75300	Constellation	Cancer	SAO	117168	HIP	43317
Tycho2	0810-01779-1	Gaia DR2	597202047024873216	HD	75300	ADS	7021
BD	BD+09 2063	Distance	151.06	Distance ly	492.76

ORBITAL ELEMENTS

Period (P)	416y	Periastron (T)	1964.4y	Semi-major axis (a)	0.448a
Eccentricity (e)	0.608	Inclination (i)	128.1°	Longitude of periastron (ω)	82.1°
Node (Ω)	151.7°	Notes		Reference	Hrt2010a
Equinox	2000	Last observation	2009	Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	330.1	0.317
2001	329.3	0.322
2002	328.5	0.327
2003	327.7	0.331
2004	326.9	0.336
2005	326.2	0.340
2006	325.4	0.344
2007	324.7	0.348
2008	324.0	0.352
2009	323.4	0.356
2010	322.7	0.360
2011	322.0	0.364
2012	321.4	0.367
2013	320.8	0.371
2014	320.2	0.374
2015	319.6	0.377
2016	319.0	0.380
2017	318.4	0.384
2018	317.8	0.387
2019	317.2	0.390
2020	316.7	0.392
2021	316.1	0.395
2022	315.6	0.398
2023	315.1	0.400
2024	314.5	0.403
2025	314.0	0.406
2026	313.5	0.408
2027	313.0	0.410
2028	312.5	0.413
2029	312.0	0.415
2030	311.5	0.417
2031	311.0	0.419
2032	310.5	0.421
2033	310.1	0.423
2034	309.6	0.425
2035	309.1	0.427
2036	308.7	0.429
2037	308.2	0.430
2038	307.7	0.432
2039	307.3	0.434
2040	306.8	0.435
2041	306.4	0.437
2042	305.9	0.439
2043	305.5	0.440
2044	305.1	0.441
2045	304.6	0.443
2046	304.2	0.444
2047	303.8	0.446
2048	303.3	0.447
2049	302.9	0.448
2050	302.5	0.449

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

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

WDS 08495+0852 BU 1068 AB (HD 75300) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Hrt2010a	orb -	Hartkopf, W.I. & Mason, B.D.	2010IAUDS.170....1H
Hrt2010a		Inf. Circ. 170, 1, 2010

DISCOVERER

discov	author
BU	Burnham, S.W. (BU 1 - 81)
HRT	Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C.,
HRT	Jr., Turner, N.H., & Wilson, J.W.
HRT	Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T.,
HRT	McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J.
HRT	Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
HRT	Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
HRT	Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H.,
HRT	ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G.
HRT	Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R.,
HRT	Rafferty, T.J., & Urban, S.E.

WDS HISTORIC DATA

coord_2000

discov_num

comp

epoch

obs

sep

mag_pri

mag_sec

spectr

dm_number

notes

coord_arcsec_2000

08495+0852

BU 1068

1995

336

0.2

8.07

9.35

+09 2063

084929.13+085152.8

08495+0852

BU 1068

2009

323

0.4

8.07

9.35

+09 2063

084929.13+085152.8

08495+0852

BU 1068

2011

322

0.4

8.07

9.35

+09 2063

084929.13+085152.8

08495+0852

BU 1068

2012

321

0.4

8.07

9.35

+09 2063

084929.13+085152.8

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

WDS 08495+0852 BU 1068 AB (HD 75300) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08495+0852 BU 1068 AB (HD 75300) : MEASURES

No records found.

WDS 08495+0852 (HD 75300) : 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 08495+0852 (HD 75300) : ALADIN DSS IMAGE @ 08^h 49^m 29.13^s +08° 51' 52.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08495+0852 BU 1068 AB (HD 75300) : 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		08495+0852	BU 1068	AB	321	0.4	0
Show		08495+0852	BU 1068	AB,C	313	17.7	0
Show		08504+0920	GRV 772		175	20.2	32
Show		08515+0910	BRT3215		124	3.9	35
Show		08501+0818	BOW 2		50	3.2	36
Show		08471+0845	STF1277		272	16.1	37
Show		08480+0820	SKF 727		328	1.0	39
Show		08512+0820	PER 1		350	0.8	41
Show		08528+0858	GWP1098		255	56.0	50
Show		08474+0812	GWP1083		245	15.2	51
Show		08460+0833	KPP1972		73	15.6	56
Show		08525+0925	GWP1097		328	19.8	56
Show		08533+0831	WSP 65		242	11.2	61
Show		08456+0915	J 2063		114	7.6	63
Show		08507+0752	VDK 3		204	1.0	63
Show		08523+0804	TOK 22		341	3.2	64
Show		08466+0803	GRV 769		153	18.3	64
Show		08541+0845	GWP1103		267	63.0	70
Show		08540+0825	STT 195	AB	138	9.8	72
Show		08540+0825	STT 195	Aa,Ab	132	0.1	72
Show		08454+0812	GWP1077		346	14.3	73
Show		08461+0748	J 735		340	2.8	81
Show		08440+0839	TDS6064		99	0.6	83
Show		08462+0744	LDS3817		3	47.8	84
Show		08513+1013	CVR 512		256	14.6	86
Show		08440+0917	SKF 498		107	0.9	86
Show		08529+1003	KPP 184		317	3.0	88
Show		08441+0816	SKF 499		195	1.6	88
Show		08440+0808	BRT2602		162	3.5	93
Show		08476+0722	GWP1084		80	230.8	95
Show		08436+0812	DAM1476		204	0.8	96
Show		08540+1005	SKF1711		81	1.6	100
Show		08476+1029	CVR1165		58	4.4	101
Show		08560+0817	SLW 312		178	12.1	103
Show		08562+0918	SKF 746		37	1.0	104
Show		08449+0730	SLW 288		68	34.9	106
Show		08566+0901	SLW 314		327	87.3	107
Show		08427+0935	CRC 17	CD	144	5.6	107
Show		08423+0857	J 382		43	4.3	107
Show		08427+0935	ST 8	AB	24	1.7	109
Show		08427+0935	LUY6218	AB,C	96	114.6	109
Show		08457+1029	TDS6081		123	0.5	113
Show		08442+0732	TDS6065		104	1.7	113
Show		08524+0707	BRT2144		14	8.9	113
Show		08515+0700	GRV 773		140	19.8	116
Show		08497+0655	SKF1710		48	1.6	117
Show		08456+0707	UC 1710		91	6.1	120
Show		08498+1052	DAM1488		112	1.7	121
Show		08412+0837	UC 122		281	20.9	125
Show		08502+0647	HEI 744		174	0.3	125
Show		08503+1057	SKF 363	Aa,Ab	82	4.9	126

WDS 08495+0852 : COMPONENTS

	A	B
B	pa=321.1° sep=0.38"
C	pa=313.3° sep=17.68"	pa=313.1° sep=17.31"

08495+0852 A

Name	HD 75300	Coord arcsec 2000	084929.13+085152.8	Mag	8.07	Spectral class	A5 (white)
PmRA	-23.00	PmDE	1.0	SAO	117168	HIP	43317
Tycho2	0810-01779-1	HD	75300	BD	BD+09 2063

Tycho2

Tycho2	0810-01779-1	Pflag		RAmdeg	132.37131107	DEmdeg	8.86469139
PmRA	-24.9	PmDE	3.5	E RAmdeg	5	E DEmdeg	6
E pmRA	1.5	E pmDE	1.4	EpRAm	1991.22	EpDEm	1990.91
Num	12	Q RAmdeg	0.8	Q DEmdeg	0.7	Q pmRA	0.7
Q pmDE	0.6	BTmag	8.091	E BTmag	0.016	VTmag	7.746
E VTmag	0.012	Prox	999	TYC	T	HIP	43317
CCDM	AB	RAdeg	132.37137000	DEdeg	8.86468278	EpRA 1990	1.54
EpDE 1990	1.39	E RAdeg	5.0	E DEdeg	5.6	Posflg	P
Corr	0.2

SAO

SAO	117168	DelFlag		RA1950		PmRA1950	-0.0011
DE1950		PmDE1950	0.001	Vmag	8.2	SpType	A5
Double code		Source	33	CatNum	4823	DM	BD+09 2063
DMcomp		BDsup		HD	75300	M HD	0
GC		RA1950rad	2.29857236	DE1950rad	0.1579717	PmRA2000	-0.001
PmDE2000	0.004

Hipparcos

Catalog	H	HIP	43317	Proxy	H	RAhms	08 49 29.13
DEdms	+08 51 52.8	Vmag	7.7	VarFlag		R Vmag	G
RAdeg	132.371	DEdeg	8.86468	AstroRef	*	Plx	6.33
CCDM	-25.99	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	341	Rho	0.252	HD		BD	BD+09 2063
CD		CP		Dm number	+09 2063	VIred	0.37
SpType	A5	R SpType		Coord arcsec 2000	084929.13+085152.8

Hipparcos 2

HIP	43317	Sn	55	So	3	Nc	2
RArad	2.3103163461	DErad	0.1547178586	Plx	6.62	PmRA	-26.3
PmDE	2.75	E RArad	0.66	E DErad	0.57	E Plx	0.89
E pmRA	1.04	E pmDE	0.6	Hpmag		E Hpmag	0.0011
SHp	0.01	VA	0	BV	0.321	E BV	0.015
VI	0.37

CCDM

Ccdm	08495+0852	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.88	DDEs	-6.7
R dRAs	10	Year		Theta		Rho
Obs	3	Vmag	7.9	Sp	A5	PmNote	*
PmRA	-23	PmDE	8	Dm number	+09 2063	Cat1	BD
Name2	+09 1139	Cat2	AGK2/3	HD	75300	M HD
ADS BDS	A 7021	M ADS BDS		N IDS		IDS	08441N0914A
HIC	43317

08495+0852 B

Coord arcsec 2000

084929.11+085153.1

Mag

9.35

Delta magnitude

1.28

Coordinate calculated

yes

CCDM

Ccdm	08495+0852	RComp		Comp	B	Note1	*
Note2		Discov num	BU 1068	DRAs		DDEs
R dRAs		Year	1954	Theta	122	Rho	0.2
Obs	16	Vmag	10.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7021	M ADS BDS		N IDS		IDS	08441N0914B
HIC	43317

08495+0852 C

Coord arcsec 2000	084928.26+085204.9		Mag	12.8		PmRA	-30.00		PmDE	10.0
Delta magnitude	4.73		Coordinate calculated	yes

CCDM

Ccdm	08495+0852	RComp		Comp	C	Note1
Note2		Discov num	BU 1068	DRAs		DDEs
R dRAs		Year	1889	Theta	312	Rho	17.7
Obs	2	Vmag	12.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7021	M ADS BDS		N IDS		IDS	08441N0914C
HIC