08490+3821 STF 1274 (HD 75052)

08^h 49^m 00.34^s +38° 20' 42.9" P.A. 41.00 sep 9.1 mag 7.42,9.34 Sp A2 dist. 241.55 pc (787.94 l.y.)

Coord 2000	08490+3821	Discov num	STF1274	Comp		Coord arcsec 2000	08 49 00.34 +38 20 42.9
Date first	1830	Date last	2019	Obs	38
Pa first	41	Pa last	41.2	P.A. Now (θ)	41.2°
Sep first	8.9	Sep last	9.055	Sep. Now (ρ)	9.055"
Mag pri	7.42	Mag sec	9.34	delta mag (ΔM)	1.92	Spectral class	A2 (white)
Pri motion ra	-007	Sec motion ra	-007
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 75052	Constellation	Lynx	SAO	61060	HIP	43279
Tycho2	2982-01535-1	Gaia DR2	718304078775675392	HD	75052	GC	12149
BD	BD+38 1961	Distance	241.55	Distance ly	787.94

WDS 08490+3821 STF 1274 (HD 75052) : 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
08490+3821	STF1274		2005	29	43	9.4	7.42	9.34	A2	D	084900.34+382042.9
08490+3821	STF1274		2012	31	41	9.0	7.42	9.34	A2		084900.34+382042.9
08490+3821	STF1274		2017	32	41	9.1	7.42	9.34	A2		084900.34+382042.9
08490+3821	STF1274		2019	37	42	9.1	7.42	9.34	A2		084900.34+382042.9

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

WDS 08490+3821 STF 1274 (HD 75052) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08490+3821 STF 1274 (HD 75052) : MEASURES

No records found.

WDS 08490+3821 (HD 75052) : 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 08490+3821 (HD 75052) : ALADIN DSS IMAGE @ 08^h 49^m 00.34^s +38° 20' 42.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08490+3821 STF 1274 (HD 75052) : 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		08490+3821	STF1274		41	9.1
Show		08481+3818	TDS6109		113	0.9	12
Show		08514+3824	ES 2013		69	4.8	30
Show		08466+3829	STF1259		341	5.2	30
Show		08478+3751	TDS6104		267	0.9	33
Show		08463+3754	TDS6087		254	3.0	42
Show		08529+3819	SKF 740		144	1.4	46
Show		08457+3846	GRV 767		51	86.9	46
Show		08505+3735	SKF 732		126	5.8	50
Show		08472+3912	BRT 100		307	2.9	55
Show		08526+3739	TDS6154		252	2.6	61
Show		08540+3835	CVR1177		101	3.6	61
Show		08438+3815	UC 1708		48	43.1	62
Show		08440+3756	ITF 151		228	156.1	65
Show		08501+3712	MLB 840		135	7.0	71
Show		08446+3910	SKF 501		86	1.0	72
Show		08544+3747	SKF1712		136	2.6	73
Show		08432+3849	BU 209		9	1.2	74
Show		08500+3935	STF1279		88	1.1	76
Show		08456+3925	SKF 506		179	1.0	77
Show		08532+3718	LDS3827		143	282.0	80
Show		08556+3843	TDS6189		300	0.5	81
Show		08559+3814	LDS3833		33	14.2	82
Show		08540+3922	CVR1178		34	4.7	85
Show		08418+3835	NSN 585	AB	79	8.4	86
Show		08418+3835	NSN 585	AC	149	4.2	86
Show		08560+3732	CLZ 46		125	80.2	96
Show		08449+3944	SKF 503		48	1.4	97
Show		08432+3707	TDS6055		124	0.4	101
Show		08578+3816	SOZ 13		100	56.2	104
Show		08416+3715	SLW 277		222	169.0	110
Show		08426+3945	LDS3808		281	226.4	113
Show		08544+3647	ES 2105		113	1.8	113
Show		08425+3656	COU2082		206	0.5	115
Show		08583+3856	TDS6230		149	0.4	115
Show		08570+3715	HU 859		181	0.4	116
Show		08505+3626	CVR 510		27	12.2	117
Show		08407+3719	SKF 708		123	0.8	117
Show		08417+3940	UC 1702		281	43.1	117
Show		08562+3659	SKF1713		166	2.7	119
Show		08580+3726	HU 860		6	0.8	121
Show		08450+3629	SKF 504		276	1.6	122
Show		08545+4008	NSN 588		255	27.3	125
Show		08585+3719	SLW 317		136	33.0	129
Show		08427+3635	UC 1703		237	15.5	131
Show		08580+3938	SKF 753		209	1.8	131
Show		08578+3945	SKF 752		47	1.0	133
Show		08492+3609	ES 294		164	2.0	134
Show		08377+3806	SKF 697		17	1.8	134
Show		08585+3707	COU2083		126	0.8	136
Show		08423+3631	ALI 353		197	6.3	137

WDS 08490+3821 : COMPONENTS

	A
B	pa=34.5° sep=8.26"

08490+3821 A

Componente originario normalizzato	AB	Name	HD 75052	Coord arcsec 2000	084900.34+382042.9	Mag	7.42
Spectral class	A2 (white)	PmRA	-7.00	PmDE	1.0	SAO	61060
HIP	43279	Tycho2	2982-01535-1	HD	75052	GC	12149
BD	BD+38 1961

Tycho2

Tycho2	2982-01535-1	Pflag		RAmdeg	132.25143388	DEmdeg	38.34525477
PmRA	-9.8	PmDE	2.1	E RAmdeg	4	E DEmdeg	5
E pmRA	1.5	E pmDE	1.4	EpRAm	1991.72	EpDEm	1991.50
Num	10	Q RAmdeg	2.0	Q DEmdeg	1.4	Q pmRA	2.1
Q pmDE	1.4	BTmag	7.462	E BTmag	0.015	VTmag	7.425
E VTmag	0.010	Prox	90	TYC	T	HIP	43279
CCDM	A	RAdeg	132.25146194	DEdeg	38.34524972	EpRA 1990	1.84
EpDE 1990	1.69	E RAdeg	4.0	E DEdeg	4.5	Posflg
Corr	0.3

SAO

SAO	61060	DelFlag		RA1950		PmRA1950	-0.0007
DE1950		PmDE1950	0	Vmag	7.2	SpType	A2
Double code		Source	70	CatNum	12149	DM	BD+38 1961
DMcomp		BDsup		HD	75052	M HD	0
GC	12149	RA1950rad	2.29417361	DE1950rad	0.67249046	PmRA2000	-0.0007
PmDE2000	0.004

Hipparcos

Catalog	H	HIP	43279	Proxy	H	RAhms	08 49 00.35
DEdms	+38 20 42.9	Vmag	7.27	VarFlag		R Vmag	G
RAdeg	132.251	DEdeg	38.3452	AstroRef	A	Plx	4.07
CCDM	08490+3821	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	41	Rho	9.011	HD	75052	BD	BD+38 1961
CD		CP		Dm number	+38 1961	VIred	0.07
SpType	A2...	R SpType		Coord arcsec 2000	084900.35+382042.9

Hipparcos 2

HIP	43279	Sn	15	So	3	Nc	2
RArad	2.3082234689	DErad	0.6692508296	Plx	4.14	PmRA	-9.07
PmDE	1.38	E RArad	0.68	E DErad	0.45	E Plx	0.77
E pmRA	0.95	E pmDE	0.64	Hpmag	7.2966	E Hpmag	0.0013
SHp	0.012	VA	0	BV	0.064	E BV	0.004
VI	0.07

CCDM

Ccdm	08490+3821	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.57	DDEs	-16.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.4	Sp	A2	PmNote	*
PmRA	34	PmDE	7	Dm number	+38 1961	Cat1	BD
Name2	+38 937	Cat2	AGK2/3	HD	75052	M HD
ADS BDS	A 7005	M ADS BDS		N IDS		IDS	08426N3843A
HIC	43279

08490+3821 B

Componente originario normalizzato	AB		Coord arcsec 2000	084900.74+382049.7		Mag	9.34		PmRA	-7.00
PmDE	1.0		Calc delta mag	1.92		Calc coord	yes

CCDM

Ccdm	08490+3821	RComp		Comp	B	Note1
Note2		Discov num	STF1274	DRAs		DDEs
R dRAs		Year	1830	Theta	041	Rho	8.9
Obs	14	Vmag	9.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 7005	M ADS BDS		N IDS		IDS	08426N3843B
HIC	43279