05186+3745 SEI 172 (HD 280777)

05^h 18^m 36.04^s +37° 45' 21.0" P.A. 3.00 sep 5.8 mag 9.54,11.20 Sp B3

Coord 2000	05186+3745	Discov num	SEI 172	Comp		Coord arcsec 2000	05 18 36.04 +37 45 21.0
Date first	1895	Date last	2015	Obs	8
Pa first	8	Pa last	2.8	P.A. Now (θ)	2.8°
Sep first	6.1	Sep last	5.754	Sep. Now (ρ)	5.754"
Mag pri	9.54	Mag sec	11.20	delta mag (ΔM)	1.66	Spectral class	B3 (blue-white)
Pri motion ra	+008	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 280777		Constellation	Auriga		SAO	57865		Tycho2	2896-00636-1
Gaia DR2	187550334078915968		HD	280777		ADS	3876

WDS 05186+3745 SEI 172 (HD 280777) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		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
05186+3745	SEI 172		1999	2	3	5.7	9.54	11.20	A0	D	051836.04+374521.0
05186+3745	SEI 172		2007	4	2	5.7	9.54	11.20	A0	D	051836.04+374521.0
05186+3745	SEI 172		2015	5	3	5.8	9.54	11.20	B3		051836.04+374521.0

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WDS 05186+3745 SEI 172 (HD 280777) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 05186+3745 SEI 172 (HD 280777) : MEASURES

No records found.

WDS 05186+3745 (HD 280777) : VIRTUAL EYEPIECE

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WDS 05186+3745 (HD 280777) : ALADIN DSS IMAGE @ 05^h 18^m 36.04^s +37° 45' 21.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 05186+3745 SEI 172 (HD 280777) : 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		05186+3745	SEI 172		3	5.8
Show		05187+3745	SEI 173		101	9.0	1
Show		05188+3739	TDS3144		198	0.6	7
Show		05182+3739	BU 9002		68	2.7	9
Show		05179+3736	SEI 163		259	7.5	13
Show		05185+3800	SEI 171		170	7.9	14
Show		05180+3733	SEI 164		164	27.8	15
Show		05183+3731	BKO 199		247	8.3	15
Show		05177+3735	BKO 198		56	4.1	15
Show		05179+3758	SEI 161		310	13.2	15
Show		05197+3755	SEI 184		108	25.2	16
Show		05177+3757	SEI 156	AB	244	24.8	16
Show		05177+3757	BKO 376	BC	45	7.0	16
Show		05174+3753	SEI 151		291	12.9	16
Show		05172+3747	HJ 3271		352	11.7	17
Show		05198+3756	BKO 379	AB	114	17.0	18
Show		05195+3759	BKO 378		56	9.7	18
Show		05198+3756	BKO 379	BC	81	9.5	18
Show		05198+3755	SEI 188		157	15.1	18
Show		05177+3801	SEI 158		148	23.9	18
Show		05173+3755	BKO 375		76	5.8	19
Show		05176+3731	SEI 154		82	21.1	19
Show		05172+3755	COU1722	Aa,Ab	165	0.2	20
Show		05172+3755	SEI 150	AB	288	25.2	20
Show		05188+3725	BKO 202	BC	10	10.7	21
Show		05188+3725	BKO 202	AB	19	10.8	21
Show		05178+3805	SEI 159	AB	66	13.1	21
Show		05178+3805	BKO 377	AC	27	12.6	21
Show		05178+3805	BKO 377	AD	289	17.3	21
Show		05178+3805	BKO 377	AE	102	17.7	21
Show		05187+3723	BKO 201		113	6.2	23
Show		05173+3729	BKO 193		222	2.1	23
Show		05187+3722	SEI 174		13	28.6	24
Show		05179+3724	SEI 162		224	24.1	24
Show		05199+3726	BKO 203		268	6.5	25
Show		05186+3720	BKO 200		22	3.1	25
Show		05172+3726	BKO 192		115	15.9	26
Show		05195+3809	COU1870		20	0.5	26
Show		05199+3725	BKO 204		169	7.5	26
Show		05197+3722	SEI 183		27	16.6	27
Show		05174+3722	BKO 195	AB	126	10.2	28
Show		05174+3722	BKO 195	AC	338	13.3	28
Show		05200+3722	BKO 205		180	6.2	30
Show		05206+3727	SEI 200	AB	210	10.1	30
Show		05206+3727	BKO 207	BC	325	5.0	31
Show		05186+3815	ALI 793		45	12.2	31
Show		05206+3725	BKO 208	AB	68	2.5	31
Show		05206+3725	BKO 208	AC	93	9.4	31
Show		05167+3725	SEI 142	AB	140	21.9	31
Show		05167+3725	BKO 189	AC	96	14.8	31
Show		05170+3811	SEI 145	AB	157	4.2	31

WDS 05186+3745 : COMPONENTS

	A
B	pa=2.2° sep=5.75"

05186+3745 A

Componente originario normalizzato	AB	Name	HD 280777	Coord arcsec 2000	051836.04+374521.0	Mag	9.54
Spectral class	B3 (blue-white)	PmRA	8.00	PmDE	2.0	SAO	57865
Tycho2	2896-00636-1	HD	280777	ADS	3876	DM	BD+37 1130

Tycho2

Tycho2	2896-00636-1	Pflag		RAmdeg	79.65020579	DEmdeg	37.75584732
PmRA	0.1	PmDE	0.1	E RAmdeg	10	E DEmdeg	14
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.05	EpDEm	1990.27
Num	7	Q RAmdeg	1.3	Q DEmdeg	0.8	Q pmRA	1.3
Q pmDE	0.8	BTmag	9.507	E BTmag	0.021	VTmag	9.538
E VTmag	0.024	Prox	500	TYC	T	HIP
CCDM		RAdeg	79.65020500	DEdeg	37.75584722	EpRA 1990	1.77
EpDE 1990	1.69	E RAdeg	10.2	E DEdeg	13.6	Posflg
Corr	0.0

SAO

SAO	57865	DelFlag		RA1950		PmRA1950	-0.0017
DE1950		PmDE1950	-0.012	Vmag	9	SpType	B3
Double code		Source	5	CatNum	576	DM	BD+37 1130
DMcomp		BDsup		HD	280777	M HD	0
GC		RA1950rad	1.37528278	DE1950rad	0.658053	PmRA2000	-0.0017
PmDE2000	-0.012

CCDM

Ccdm	05186+3745	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.09	DDEs	21.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.6	Sp		PmNote	*
PmRA	5	PmDE	4	Dm number	+37 1130	Cat1	BD
Name2	+37 576	Cat2	AGK2/3	HD		M HD
ADS BDS	A 3876	M ADS BDS		N IDS		IDS	05118N3739A
HIC

05186+3745 B

Componente originario normalizzato	AB		Coord arcsec 2000	051836.06+374526.7		Mag	11.2		Calc delta mag	1.66
Calc coord	yes

CCDM

Ccdm	05186+3745	RComp		Comp	B	Note1
Note2		Discov num	SEI 172	DRAs		DDEs
R dRAs		Year	1895	Theta	008	Rho	6.0
Obs	1	Vmag	11.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 3876	M ADS BDS		N IDS		IDS	05118N3739B
HIC