04599+2720 STF 623 AB (HD 31806)

04^h 59^m 53.75^s +27° 19' 32.2" P.A. 206.00 sep 20.5 mag 6.98,8.72 Sp B7V+A0V dist. 401.61 pc (1310.05 l.y.)

Coord 2000	04599+2720	Discov num	STF 623	Comp	AB	Coord arcsec 2000	04 59 53.75 +27 19 32.2
Date first	1829	Date last	2018	Obs	42
Pa first	205	Pa last	205.9	P.A. Now (θ)	205.9°
Sep first	20.4	Sep last	20.526	Sep. Now (ρ)	20.526"
Mag pri	6.98	Mag sec	8.72	delta mag (ΔM)	1.74	Spectral class	B7V+A0V (blue-white/white)
Pri motion ra	+016	Sec motion ra	+017
Pri motion dec	-023	Sec motion dec	-023
Notes	V W (Proper motion indicates physical, )

rPM=0.035 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 31806	Constellation	Taurus	SAO	76880	HIP	23226
Tycho2	1840-01235-1	HD	31806	GC	6081	BD	BD+27 716
Distance	401.61	Distance ly	1310.05

WDS 04599+2720 STF 623 AB (HD 31806) : 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.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04599+2720	STF 623	AB	2018	42	207	20.5	6.98	8.72	B7V+A0V	VW	045953.75+271932.2

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

WDS 04599+2720 STF 623 AB (HD 31806) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04599+2720 STF 623 AB (HD 31806) : MEASURES

No records found.

WDS 04599+2720 (HD 31806) : 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 04599+2720 (HD 31806) : ALADIN DSS IMAGE @ 04^h 59^m 53.75^s +27° 19' 32.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04599+2720 STF 623 AB (HD 31806) : 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		04599+2720	STF 623	AB	206	20.5
Show		05017+2640	A 1844	AB	77	0.3	47
Show		05017+2640	S 461	AB,C	159	78.3	47
Show		05017+2640	BAG 21	Ca,Cb	63	0.0	48
Show		05013+2632	BU 1238		16	1.6	52
Show		04565+2751	KPP3589		3	4.3	56
Show		04556+2712	OCC 753		-1	0.1	59
Show		05029+2802	COU 759		258	1.4	59
Show		05020+2817	A 480		337	0.7	65
Show		04581+2618	COU 758		148	0.4	67
Show		04573+2623	ITF 159		52	2.9	67
Show		04572+2623	ITF 160		261	4.7	67
Show		04576+2615	ITF 30		355	5.6	72
Show		05010+2608	SLW 177		190	151.1	73
Show		05053+2740	A 1845		140	2.0	75
Show		04581+2609	ITF 189		54	18.6	75
Show		04577+2610	LDS6152		131	63.9	76
Show		04556+2808	HJ 688		166	11.4	76
Show		05045+2813	MLB 640		44	3.4	82
Show		04596+2556	TOK 493		267	620.2	84
Show		05059+2626	OCC9100		-1	0.1	97
Show		04530+2647	OCC 778		-1	0.0	99
Show		04562+2554	GIC 52	AB	320	55.0	100
Show		04562+2554	RAO 197	Aa,Ab	3	0.4	100
Show		05074+2712	J 14		233	2.6	101
Show		05074+2715	DOO 30		188	7.1	102
Show		05066+2630	HDS 666		213	0.1	103
Show		05048+2842	HO 224	AB	285	2.1	105
Show		05048+2842	HO 224	AC	316	38.6	105
Show		05034+2546	OCC 796		-1	0.1	105
Show		05020+2900	MLB 560		61	7.2	106
Show		05082+2722	TVB 90		190	2.8	111
Show		04589+2911	BRT 135		47	4.4	113
Show		05024+2527	SHN 92		-1	0.1	118
Show		04547+2544	OCC 789		-1	0.1	119
Show		05055+2547	MMA 31		278	17.4	119
Show		04586+2918	HJ 353		241	15.1	121
Show		05047+2906	HJ 690		280	14.0	124
Show		05031+2523	MSR 5		107	8.8	124
Show		04595+2516	COU 568		159	0.8	125
Show		05032+2921	HJ 354		295	11.9	130
Show		05054+2532	KSA 32		59	2.3	131
Show		05003+2508	TOK 253	AB	126	34.0	132
Show		05003+2508	KPP4356	AC	349	6.7	132
Show		05003+2508	KPP4356	BC	313	39.2	132
Show		05101+2733	BGH 21		353	314.6	137
Show		05019+2505	LDS6156		346	4.1	138
Show		04580+2935	COU 886		263	0.7	138
Show		05098+2802	L 54	Aa,Ab	351	0.2	138
Show		05098+2802	STF 645	A,BC	29	11.3	138
Show		05098+2802	BU 1047	BC	90	0.3	138

WDS 04599+2720 : COMPONENTS

	A
B	pa=203.3° sep=20.11"

04599+2720 A

Name	HD 31806	Coord arcsec 2000	045953.75+271932.2	Mag	6.98	Spectral class	B7V (blue-white)
PmRA	16.00	PmDE	-23.0	SAO	76880	HIP	23228
Tycho2	1840-01235-1	HD	31806	GC	6081	BD	BD+27 716

Tycho2

Tycho2	1840-01235-1	Pflag		RAmdeg	74.97396134	DEmdeg	27.32560291
PmRA	17.6	PmDE	-21.3	E RAmdeg	5	E DEmdeg	5
E pmRA	0.8	E pmDE	0.8	EpRAm	1990.97	EpDEm	1990.82
Num	21	Q RAmdeg	1.8	Q DEmdeg	1.8	Q pmRA	1.8
Q pmDE	1.9	BTmag	7.097	E BTmag	0.016	VTmag	6.976
E VTmag	0.011	Prox	205	TYC	T	HIP	23228
CCDM	A	RAdeg	74.97391639	DEdeg	27.32565389	EpRA 1990	1.72
EpDE 1990	1.50	E RAdeg	4.5	E DEdeg	5.2	Posflg
Corr	-0.1

SAO

SAO	76880	DelFlag		RA1950		PmRA1950	0.0007
DE1950		PmDE1950	-0.048	Vmag	6.6	SpType	B9
Double code		Source	70	CatNum	6081	DM	BD+27 716
DMcomp		BDsup		HD	31806	M HD	0
GC	6081	RA1950rad	1.29493989	DE1950rad	0.47562975	PmRA2000	0.0006
PmDE2000	-0.049

Hipparcos

Catalog	H	HIP	23228	Proxy		RAhms	04 59 53.74
DEdms	+27 19 32.4	Vmag	6.95	VarFlag		R Vmag	G
RAdeg	74.9739	DEdeg	27.3257	AstroRef	A	Plx	7.23
CCDM	04599+2719	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	P	Qual	A	M HIP
Theta		Rho		HD	31806	BD	BD+27 716
CD		CP		Dm number	+27 716	VIred	0.16
SpType	B7V	R SpType		Coord arcsec 2000	045953.74+271932.4

Hipparcos 2

HIP	23228	Sn	95	So	3	Nc	1
RArad	1.3085416499	DErad	0.4769226853	Plx	9.11	PmRA	15.94
PmDE	-22.08	E RArad	2.41	E DErad	1.21	E Plx	2.75
E pmRA	2.24	E pmDE	1.36	Hpmag	7.0111	E Hpmag	0.031
SHp	0.035	VA	0	BV	0.148	E BV	0.015
VI	0.16

04599+2720 B

Coord arcsec 2000	045953.15+271913.7		Mag	8.72		Spectral class	A0V (white)		PmRA	17.00
PmDE	-23.0		HIP	23226		Calc delta mag	1.74		Calc coord	yes

Hipparcos

Catalog	H	HIP	23226	Proxy		RAhms	04 59 53.07
DEdms	+27 19 13.9	Vmag	9.11	VarFlag		R Vmag	H
RAdeg	74.9711	DEdeg	27.3205	AstroRef	B	Plx	-7.31
CCDM	04599+2719	N CCDM	I	Nsys	2	Ncomp	1
MultFlag	C	Source	I	Qual	A	M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	0.11
SpType	A0V	R SpType		Coord arcsec 2000	045953.07+271913.9

Hipparcos 2

HIP	23226	Sn	95	So	3	Nc	1
RArad	1.3084929657	DErad	0.4768332094	Plx	2.49	PmRA	8.62
PmDE	-12.22	E RArad	13.39	E DErad	7.71	E Plx	15.27
E pmRA	15.58	E pmDE	9.52	Hpmag	8.7403	E Hpmag	0.1269
SHp	0	VA	0	BV	0.341	E BV	0.033
VI	0.4