03451+3425 KU 81 AB (HD 278979)

03^h 45^m 08.62^s +34° 24' 55.9" P.A. 283.00 sep 41.6 mag 9.89,10.67 Sp A2

Coord 2000	03451+3425	Discov num	KU 81	Comp	AB	Coord arcsec 2000	03 45 08.62 +34 24 55.9
Date first	1899	Date last	2015	Obs	16
Pa first	280	Pa last	282.7	P.A. Now (θ)	282.7°
Sep first	41.9	Sep last	41.603	Sep. Now (ρ)	41.603"
Mag pri	9.89	Mag sec	10.67	delta mag (ΔM)	0.78	Spectral class	A2 (white)
Pri motion ra	-006	Sec motion ra	-003
Pri motion dec	-017	Sec motion dec	-002
Notes	W

rPM=0.849

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name

HD 278979

Constellation

Perseus

Tycho2

2364-00784-1

278979

WDS 03451+3425 KU 81 AB (HD 278979) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ku_1884	Ma -	Kustner, F.	1884AN....108..281K
Ku_1884		AN 108, 281, 1884
Ku_1902	Ma -	Kustner, F.	1902AN....160...71K
Ku_1902		AN 160, 71, 1902
Ku_1905A	Ma -	Kustner, F.	1905LicOB...3..147A
Ku_1905A		cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Ku_1963A	-	Kustner, F.	1963icvd.book.....J
Ku_1963A		cited in IDS (Lick Index Cat.), 1963
Ku_1932A	-	Kustner, F.	1932QB821.A43......
Ku_1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
03451+3425	KU 81	AB	2015	16	283	41.6	9.89	10.67	A2	W	034508.62+342455.9

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WDS 03451+3425 KU 81 AB (HD 278979) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03451+3425 KU 81 AB (HD 278979) : MEASURES

No records found.

WDS 03451+3425 (HD 278979) : VIRTUAL EYEPIECE

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WDS 03451+3425 (HD 278979) : ALADIN DSS IMAGE @ 03^h 45^m 08.62^s +34° 24' 55.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03451+3425 KU 81 AB (HD 278979) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		03451+3425	KU 81	AB	283	41.6
Show		03454+3353	ES 234		97	5.5	33
Show		03424+3358	STF 431		239	19.9	44
Show		03478+3501	ES 235	BC	277	2.5	49
Show		03478+3501	ES 235	AB	217	36.1	49
Show		03438+3520	ES 233		167	34.6	58
Show		03479+3336	STF 448		13	3.5	60
Show		03474+3521	ES 167		313	7.5	62
Show		03419+3514	LDS3522		329	29.1	64
Show		03401+3407	STF 425	AB	58	1.9	65
Show		03401+3407	RBR 26	Aa,Ab	44	0.5	65
Show		03504+3440	ES 236		355	5.3	67
Show		03502+3449	ES 277	AB	141	21.0	68
Show		03502+3449	WAL 25	AD	11	71.1	68
Show		03502+3449	ES 277	BC	293	8.8	68
Show		03461+3535	KPP 836		56	7.1	71
Show		03494+3527	UC 54		188	10.6	82
Show		03519+3422	KUI 14		30	15.2	84
Show		03518+3453	ARN 58		155	25.7	87
Show		03446+3551	HO 504		193	1.1	87
Show		03398+3328	ES 327		294	15.5	88
Show		03478+3304	SKF2339	AB	312	1.8	88
Show		03478+3304	SKF2339	AC	62	5.0	88
Show		03381+3416	COU 872		124	1.2	88
Show		03380+3439	GRV 181		41	40.6	90
Show		03377+3402	LDS3514		39	187.3	95
Show		03425+3256	HJ 336		325	45.2	95
Show		03459+3600	KPP2213			18.4	96
Show		03460+3245	GRV 191		76	28.1	100
Show		03512+3318	CRB 62		22	20.8	102
Show		03405+3252	J 1111		201	3.5	111
Show		03511+3548	BRT3238		284	2.5	111
Show		03535+3504	ES 328		292	8.9	111
Show		03545+3419	COU 873		17	1.9	116
Show		03360+3454	TDS2596		279	0.5	117
Show		03545+3415	RAO 191		234	1.2	117
Show		03529+3532	ES 2459		216	5.0	117
Show		03457+3226	HDS 475		302	2.2	119
Show		03525+3546	ES 2334	AB	66	3.7	121
Show		03525+3546	ES 2334	AC	221	16.8	121
Show		03471+3629	ALI 287		151	11.9	126
Show		03535+3538	ES 2460		310	3.1	127
Show		03509+3241	TDS2668		62	0.6	127
Show	Atik	03443+3217	BU 535		21	1.0	129
Show		03546+3519	HJ 669	AB	261	12.0	129
Show		03546+3519	HJ 669	AC	209	45.4	129
Show		03460+3635	ES 2333		156	5.1	130
Show		03354+3341	STF 413		125	2.4	130
Show		03535+3307	RBR 36		159	0.6	131
Show		03553+3508	HU 606		34	3.0	133
Show		03445+3212	DCH 8		85	1.3	134

WDS 03451+3425 : COMPONENTS

	A
B	pa=285.3° sep=34.71"

03451+3425 A

Name	HD 278979		Coord arcsec 2000	034508.62+342455.9		Mag	9.89		Spectral class	A2 (white)
PmRA	-6.00		PmDE	-17.0		Tycho2	2364-00784-1		HD	278979

Tycho2

Tycho2	2364-00784-1	Pflag		RAmdeg	56.28592845	DEmdeg	34.41554015
PmRA	-6.4	PmDE	-16.2	E RAmdeg	13	E DEmdeg	16
E pmRA	1.5	E pmDE	1.5	EpRAm	1989.67	EpDEm	1988.66
Num	9	Q RAmdeg	1.1	Q DEmdeg	1.2	Q pmRA	1.1
Q pmDE	1.2	BTmag	10.257	E BTmag	0.027	VTmag	9.886
E VTmag	0.025	Prox	416	TYC	T	HIP
CCDM		RAdeg	56.28594611	DEdeg	34.41557722	EpRA 1990	1.66
EpDE 1990	1.44	E RAdeg	13.8	E DEdeg	16.9	Posflg
Corr	-0.3

CCDM

Ccdm	03451+3425	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.62	DDEs	-4.1
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	10.0	Sp		PmNote	*
PmRA	-11	PmDE	-21	Dm number	+33 709	Cat1	BD
Name2	+34 395	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	03388N3406A
HIC

03451+3425 B

Coord arcsec 2000	034505.91+342505.0		Mag	10.67		PmRA	-3.00		PmDE	-2.0
Tycho2	2364-01192-1		Calc delta mag	0.78		Calc coord	yes

Tycho2

Tycho2	2364-01192-1	Pflag		RAmdeg	56.27225473	DEmdeg	34.41804255
PmRA	-1.6	PmDE	-5.2	E RAmdeg	29	E DEmdeg	32
E pmRA	2.5	E pmDE	2.6	EpRAm	1985.65	EpDEm	1984.55
Num	5	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.4
Q pmDE	0.8	BTmag	11.995	E BTmag	0.101	VTmag	10.670
E VTmag	0.047	Prox	416	TYC	T	HIP
CCDM		RAdeg	56.27225944	DEdeg	34.41804472	EpRA 1990	1.66
EpDE 1990	1.47	E RAdeg	39.0	E DEdeg	46.0	Posflg
Corr	-0.3

CCDM

Ccdm	03451+3425	RComp		Comp	B	Note1
Note2		Discov num	KU	DRAs	-0.65	DDEs	5.0
R dRAs	65	Year	1901	Theta	280	Rho	41.8
Obs	1	Vmag	10.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	03388N3406B
HIC