03474+2435 HL 20 AB

03^h 47^m 24.06^s +24° 35' 18.3" P.A. 95.00 sep 32.7 mag 7.69,14.61 Sp A4V

Coord 2000	03474+2435	Discov num	HL 20	Comp	AB	Coord arcsec 2000	03 47 24.06 +24 35 18.3
Date first	1887	Date last	2015	Obs	8
Pa first	103	Pa last	95.2	P.A. Now (θ)	95.2°
Sep first	36.4	Sep last	32.723	Sep. Now (ρ)	32.723"
Mag pri	7.69	Mag sec	14.61	delta mag (ΔM)	6.92	Spectral class	A4V (white)
Pri motion ra	+019	Sec motion ra	+032
Pri motion dec	-047	Sec motion dec	-016
Notes	N (See Notes)

rPM=0.663

Nature of this double is uncertain.

03474+2435 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		76194	03 47 24 +24 35 18	HL 20 AB	2015	8	95	32.7	7.69	14.61	6.92		<===
Show		76194	03 47 24 +24 35 18	HL 20 AC	2015	8	63	130.1	7.69	14.37	6.68

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Taurus		SAO	76194		Tycho2	1804-01961-1		Gaia DR2	66791246876452736
HD	23628

WDS 03474+2435 HL 20 AB : NOTES

discov_num	notes	refcode
HL 20	Primary is Pleiades star.

REFERENCES

refcode	metd	author	reference
Hl_1866	Ma j	Hall, A.	1866AN.....66..381H
Hl_1866		AN 66, 381, 1866
Hl_1872	Ma j	Hall, A.	1872AN.....79..247H
Hl_1872		AN 79, 247, 1872 (data also in Hl_1877a)
Hl_1874	Ma -	Hall, A.	1874AN.....84...17H
Hl_1874		AN 84, 17, 1874 (data also in Hl_1877a)
Hl_1875a	Ma j	Hall, A.	.
Hl_1875a		Washington Observations, 1875
Hl_1875b	Ma j	Hall, A.	1875AN.....86..321H
Hl_1875b		AN 86, 321, 1875 (data also in Hl_1877a)
Hl_1876	Ma j	Hall, A.	1876AN.....88..131H
Hl_1876		AN 88, 131, 1876
Hl_1877a	Ma j	Hall, A.	.
Hl_1877a		Washington Observations, Appendix 6, 1877
Hl_1877b	Ma -	Hall, A.	1877MNRAS..38...78H
Hl_1877b		MNRAS 38, 78, 1877
Hl_1877c	Ma j	Hall, A.	1877AN.....90..161H
Hl_1877c		AN 90, 161, 1877
Hl_1878	Ma j	Hall, A.	1878AN.....93...65H
Hl_1878		AN 93, 65, 1878 (data also in Hl_1877a)
Hl_1879	Ma j	Hall, A.	1879AN.....95..329H
Hl_1879		AN 95, 329, 1879 (data also in Hl_1877a)
Hl_1880	Ma j	Hall, A.	1880AN.....97..319H
Hl_1880		AN 97, 319, 1880 (data also in Hl_1888)
Hl_1881	Ma -	Hall, A.	1888Obs.....4..281H
Hl_1881		Observatory 4, 281, 1881 (data also in Hl_1888)
Hl_1881b	Ma j	Hall, A.	1881MNRAS..41..416.
Hl_1881b		MNRAS 41, 416, 1881
Hl_1882	Ma j	Hall, A.	1882MNRAS..42..323H
Hl_1882		MNRAS 42, 323, 1882 (data also in Hl_1888)
Hl_1882b	Ma -	Hall, A.	1882AN....102...91H
Hl_1882b		AN 102, 91, 1882 (data also in Hl_1888)
Hl_1883	Ma j	Hall, A.	1883MNRAS..43Q.330H
Hl_1883		MNRAS 43, 330, 1883
Hl_1884	Ma j	Hall, A.	1884MNRAS..44..360H
Hl_1884		MNRAS 44, 360, 1884 (data also in Hl_1888)
Hl_1884B	Ma -	Hall, A.	1884AReg...22..216S
Hl_1884B		cited by Sadler (Astr. Register 22, 216, 1884)
Hl_1885	Ma j	Hall, A.	1885MNRAS..45..426H
Hl_1885		MNRAS 45, 426, 1885 (data also in Hl_1888)
Hl_1886	Ma j	Hall, A.	1886MNRAS..46..453H
Hl_1886		MNRAS 46, 453, 1886
Hl_1887	Ma j	Hall, A.	1887AJ......7...99H
Hl_1887		AJ 7, 99, 1887 (data also in Hl_1888)
Hl_1889	Ma -	Hall, A.	1889AJ......9...75H
Hl_1889		AJ 9, 75, 1889 (data also in Hl_1888)
Hl_1891	Ma -	Hall, A.	.
Hl_1891		Washington Observations, 1891
Hl_1891b	Ma -	Hall, A.	1891AJ.....11...54H
Hl_1891b		AJ 11, 54, 1891 (data also in Hl_1888)
Hl_1892	orb -	Hall, A.	1892AJ.....12...33H
Hl_1892		AJ 12, 33, 1892
Hl_1892b	Ma -	Hall, A.	1892AJ.....12....4H
Hl_1892b		AJ 12, 4, 1892 (data also in Hl_1888)
Hl_1892c	Ma j	Hall, A.	1892USNOO...6E...1H
Hl_1892c		Washington Observations for 1888, Appendix 1, 1892
Hl_1892c		(covers years 1888-1890)
Hl_1893	Ma -	Hall, A.	1893AJ.....13..119H
Hl_1893		AJ 13, 119, 1893 (data also in Hl_1888)
Hl_1893b	Ma -	Hall, A.	1893AJ.....13..113H
Hl_1893b		AJ 13, 113, 1893 (data also in Hl_1888)
Hl_1894	orb -	Hall, A.	1894AJ.....14...89H
Hl_1894		AJ 14, 89, 1894
Hl_1906A	Ma -	Hall, A.	1906QB821.B972.....
Hl_1906A		cited in BDS (Burnham Double Star Cat.), 1906
Hl_1906B	Ma -	Hall, A.	1906MmRAS..56....1L
Hl_1906B		cited by Lewis (MemRAS 56, 1, 1906)
Hl_9999	Ma j	Hall, A.	...................
Hl_9999		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
03474+2435	HL 20	AB	1998	2	97	33.1	7.69	14.61		N D	034724.06+243518.3
03474+2435	HL 20	AB	2012	3	95	33.1	7.69	14.61		N D	034724.06+243518.3
03474+2435	HL 20	AB	2015	5	95	32.7	7.69	14.61	A4V	N	034724.06+243518.3

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

WDS 03474+2435 HL 20 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03474+2435 HL 20 AB : MEASURES

No records found.

WDS 03474+2435 : 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 03474+2435 : ALADIN DSS IMAGE @ 03^h 47^m 24.06^s +24° 35' 18.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03474+2435 HL 20 AB : 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		03474+2435	HL 20	AB	95	32.7
Show		03474+2435	HL 20	AC	63	130.1
Show		03474+2440	STF 449		330	6.8	5
Show		03470+2431	CHR 124	Aa,Ab	134	0.1	7
Show		03470+2431	HL 17	AB	299	101.4	7
Show		03470+2431	HL 17	AC	190	123.1	7
Show		03473+2424	BOV 18		346	1.1	12
Show		03464+2435	LDS6110	AC	198	83.1	15
Show		03464+2435	ITO 8	AB	302	9.5	15
Show		03471+2449	BU 537		219	0.6	15
Show		03465+2426	ITO 10	AB	134	12.6	16
Show		03465+2426	ITO 10	AD	234	16.2	16
Show		03465+2426	ITO 10	AE	127	9.3	16
Show		03465+2426	ITO 10	AC	136	12.6	16
Show		03465+2426	ITO 10	BC	-1	0.3	16
Show		03462+2440	RAO 111		35	1.4	18
Show		03459+2433	POU 309	DE	162	17.5	18
Show		03475+2417	HL 22		17	94.7	19
Show		03466+2421	BOV 15		261	0.8	19
Show		03459+2433	HL 14	BC	267	51.4	19
Show		03459+2433	OCC 193	Ba,Bb	-1	0.1	19
Show		03482+2419	CHR 155	Ja,Jb	155	0.1	20
Show	Asterope	03459+2433	HJL1026	AB	130	149.6	21
Show	Asterope	03459+2433	HL 12	AD	74	170.5	21
Show		03485+2421	HL 26	AB	217	71.6	21
Show		03485+2421	OCC9035	Aa,Ab	231	0.4	21
Show		03461+2423	BOV 12		228	1.2	22
Show		03467+2415	SKF2337		36	3.2	22
Show		03467+2456	RAO 107		131	0.4	23
Show		03457+2438	YAM 1		19	8.1	24
Show		03465+2415	CHR 12	Aa,Ab	189	0.3	24
Show		03465+2415	HL 16	AB	35	119.0	24
Show		03461+2452	BOV 11		202	0.9	25
Show		03466+2458	MET 34		103	8.9	25
Show		03457+2427	MCD 1		133	2.5	25
Show	Maia	03458+2422	HL 11	AB	73	113.4	26
Show		03458+2422	OCC 248	Aa,Ab	-1	0.0	26
Show		03475+2406	STFA 8	CD	225	54.7	27
Show		03488+2416	BOV 21		169	0.2	28
Show		03475+2406	WSI 52	Da,Db	293	0.3	28
Show		03494+2423	HL 30	BC	14	70.3	29
Show		03494+2423	HL 30	BD	241	80.5	29
Show		03494+2423	HL 30	BH	273	147.5	29
Show		03494+2423	HL 30	BI	229	147.1	29
Show		03463+2411	BAR9003	DE	323	8.6	29
Show		03475+2406	STFA 8	BD	305	75.2	29
Show		03475+2406	OCC9084	Ba,Bb	-1	0.0	29
Show		03475+2406	STFA 8	BC	345	86.2	29
Show		03463+2411	BU 536	CD	5	18.3	29
Show		03463+2411	BU 536	AB	178	1.1	29
Show		03463+2411	S 437	AB,C	308	38.8	29

WDS 03474+2435 : COMPONENTS

	A	B
B	pa=95.7° sep=29.78"
C	pa=60.5° sep=120.86"	pa=50.4° sep=98.04"

03474+2435 A

Coord arcsec 2000	034724.06+243518.3	Mag	7.69	Spectral class	A4V (white)	PmRA	19.00
PmDE	-47.0	SAO	76194	Tycho2	1804-01961-1	HD	23628
DM	BD+24 566

Tycho2

Tycho2	1804-01961-1	Pflag		RAmdeg	56.85025303	DEmdeg	24.58842672
PmRA	19.9	PmDE	-45.3	E RAmdeg	5	E DEmdeg	6
E pmRA	1.3	E pmDE	1.2	EpRAm	1991.35	EpDEm	1991.10
Num	10	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.9
Q pmDE	1.0	BTmag	7.925	E BTmag	0.017	VTmag	7.687
E VTmag	0.012	Prox	999	TYC	T	HIP
CCDM		RAdeg	56.85020194	DEdeg	24.58853306	EpRA 1990	1.66
EpDE 1990	1.52	E RAdeg	5.3	E DEdeg	6.3	Posflg
Corr	-0.2

SAO

SAO	76194	DelFlag		RA1950		PmRA1950	0.0022
DE1950		PmDE1950	-0.028	Vmag	7.5	SpType	A0
Double code		Source	35	CatNum	1170	DM	BD+24 566
DMcomp		BDsup		HD	23628	M HD	0
GC		RA1950rad	0.97919196	DE1950rad	0.42647947	PmRA2000	0.0022
PmDE2000	-0.031

03474+2435 B

Coord arcsec 2000	034726.23+243515.3		Mag	14.61		PmRA	32.00		PmDE	-16.0
Calc delta mag	6.92		Calc coord	yes

03474+2435 C

Coord arcsec 2000	034731.77+243617.8		Mag	14.37		PmRA	4.00		PmDE	-3.0
Calc delta mag	6.68		Calc coord	yes