15558+2912 DOO 61 AB

15^h 55^m 48.61^s +29° 11' 38.9" P.A. 251.00 sep 50.1 mag 10.90,11.43 Sp K4:+K4/5 dist. 69.93 pc (228.11 l.y.)

Coord 2000	15558+2912	Discov num	DOO 61	Comp	AB	Coord arcsec 2000	15 55 48.61 +29 11 38.9
Date first	1896	Date last	2016	Obs	18
Pa first	251	Pa last	250.5	P.A. Now (θ)	250.5°
Sep first	49.7	Sep last	50.067	Sep. Now (ρ)	50.067"
Mag pri	10.90	Mag sec	11.43	delta mag (ΔM)	0.53	Spectral class	K4:+K4/5 (yellow-orange/yellow-orange)
Pri motion ra	+008	Sec motion ra	+008
Pri motion dec	-037	Sec motion dec	-037
Notes	T (Parallax indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Corona Borealis		HIP	78015		Tycho2	2040-00526-1		BD	BD+29 2740
Distance	69.93		Distance ly	228.11

WDS 15558+2912 DOO 61 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Doo1901	Ma j	Doolittle, E.	1901PFAO....1c...1D
Doo1901		Pub. Univ. Penn. 1, Pt. 3, 1901
Doo1903a	Ma -	Doolittle, E.	1903AJ.....23..175D
Doo1903a		AJ 23, 175, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1903b	Ma j	Doolittle, E.	1903AJ.....23..177D
Doo1903b		AJ 23, 177, 1903 (also in Pub. Univ. Penn. 2, Pt. 3, 1905)
Doo1905a	Ma j	Doolittle, E.	1905PFAO....2c...1D
Doo1905a		Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1905b	Ma -	Doolittle, E. (measure by Hadley, J.M.)	1905PFAO....2c...1D
Doo1905b		Pub. Univ. Penn. 2, Pt. 3, 1905
Doo1906A	Ma -	Doolittle, E.	1906MmRAS..56....1L
Doo1906A	+orb	cited by Lewis (MemRAS 56, 1, 1906)
Doo1906B	Ma -	Doolittle, E.	1906QB821.B972.....
Doo1906B		cited in BDS (Burnham Double Star Cat., 1906)
Doo1907	Ma j	Doolittle, E.	1907PFAO....3c...1D
Doo1907		Pub. Univ. Penn. 3, Pt. 3, 1907
Doo1912	Ma j	Doolittle, E.	1912PFAO....4a...1D
Doo1912		Pub. Univ. Penn. 4, Pt. 1, 1912
Doo1913A	Ma -	Doolittle, E.	1913QB811.B8.......
Doo1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Doo1915a	Ma -	Doolittle, E.	1915MNRAS..75..666D
Doo1915a		MNRAS 75, 666, 1915
Doo1915b	Ma -	Doolittle, E.	1915PFAO....4a...1D
Doo1915b		Pub. Univ. Penn. 4, Pt. 1, 1915
Doo1915c	Ma -	Doolittle, E.	1915AJ.....29...49D
Doo1915c		AJ 29, 49, 1915
Doo1923	Ma j	Doolittle, E.	1923PFAO....4b...1D
Doo1923		Pub. Univ. Penn. 4, Pt. 2, 1923
Doo1932A	Ma -	Doolittle, E.	1932QB821.A43......
Doo1932A		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
15558+2912	DOO 61	AB	2015	17	251	50.1	10.90	11.43	K4:+K4/5	T	155548.61+291138.9
15558+2912	DOO 61	AB	2016	18	251	50.1	10.90	11.43	K4:+K4/5	T	155548.61+291138.9

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WDS 15558+2912 DOO 61 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 15558+2912 DOO 61 AB : MEASURES

No records found.

WDS 15558+2912 : VIRTUAL EYEPIECE

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WDS 15558+2912 : ALADIN DSS IMAGE @ 15^h 55^m 48.61^s +29° 11' 38.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 15558+2912 DOO 61 AB : 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		15558+2912	DOO 61	AB	251	50.1
Show		15562+2857	LDS4607		265	23.4	16
Show		15554+2932	HO 399		116	3.6	22
Show		15550+2953	HJ 2797		76	34.5	43
Show		15573+3005	HJ 2800		283	14.5	58
Show		15524+2948	UC 3074		213	30.5	58
Show		15514+2921	COU 617		98	4.7	58
Show		15523+2814	TDS9668		210	0.7	75
Show		15578+3023	KPP2351		334	20.1	76
Show		15566+3031	KPP1287		333	9.8	81
Show		15540+2754	COU 802	AB	127	3.0	82
Show		15540+2754	GII 225	Aa,Ab	122	0.1	82
Show		15511+3008	TDS9660		322	1.9	84
Show		15498+2839	UC 213		59	9.7	86
Show		15508+2814	TDS9656	AB	45	0.7	88
Show		15503+3003	LDS4592		129	38.2	89
Show		15593+2752	TDS9712		217	0.6	92
Show		16011+2808	AG 349		227	11.7	95
Show		15498+2817	TDS9648		159	0.7	96
Show		15547+3048	UC 3088		44	11.0	98
Show		16032+2851	STF2004		278	1.8	100
Show		16039+2935	UC 216		318	28.7	108
Show		16019+3027	LDS4626		273	104.8	110
Show		15485+2817	TDS9637		99	1.0	111
Show		15474+2828	TDS9623		310	2.0	119
Show		15501+3046	HDS2230	AB	313	1.8	121
Show		15501+3046	GII 224	Aa,Ab	16	0.2	121
Show		16006+2726	TDS9725		4	0.6	123
Show		15488+3036	GRV 914		74	16.1	125
Show		15585+3112	TDS9706		9	0.4	125
Show		16022+3048	TDS9737		180	2.9	127
Show		15470+3010	BRT 254		131	5.3	129
Show		15554+2702	KPP3299		286	1.4	130
Show		16055+2955	GRV1217		141	8.3	135
Show		15523+3119	HJ 2795	AB	29	12.4	137
Show		16065+2928	CVR 812		323	7.5	141
Show		15576+2653	AGC 7	AB	10	2.0	141
Show		15576+2653	AGC 7	AC	172	96.0	141
Show		15475+3044	KPP3296		142	2.0	143
Show		15451+2936	COU 614		40	0.3	143
Show		15503+3114	HJ 2792		351	27.0	143
Show		16053+3024	GRV 920		195	11.8	144
Show		16067+2849	TDS9759		67	0.5	145
Show		16069+2942	TDS9761		297	0.7	149
Show		16038+2723	TDS9744		38	0.5	151
Show		15572+2640	TDS9703		296	0.7	153
Show		16076+2900	STF2011	AB	67	2.7	156
Show		16076+2900	GUI 16	AC	350	117.0	156
Show		16011+2649	KPP3976		320	1.2	160
Show		16078+2956	RAO 345	AB	189	0.7	163
Show		16078+2956	RAO 345	AC	234	3.5	163

WDS 15558+2912 : COMPONENTS

	A
B	pa=247.9° sep=44.46"

15558+2912 A

Coord arcsec 2000	155548.61+291138.9		Mag	10.9		Spectral class	K4: (yellow-orange)		PmRA	8.00
PmDE	-37.0		HIP	78015		Tycho2	2040-00526-1		BD	BD+29 2740

Tycho2

Tycho2	2040-00526-1	Pflag		RAmdeg	238.95254660	DEmdeg	29.19412964
PmRA	10.5	PmDE	-39.0	E RAmdeg	30	E DEmdeg	25
E pmRA	1.9	E pmDE	1.8	EpRAm	1986.90	EpDEm	1986.64
Num	7	Q RAmdeg	1.3	Q DEmdeg	1.0	Q pmRA	1.3
Q pmDE	0.9	BTmag	12.024	E BTmag	0.083	VTmag	10.901
E VTmag	0.046	Prox	501	TYC	T	HIP	78015
CCDM		RAdeg	238.95252611	DEdeg	29.19421722	EpRA 1990	1.66
EpDE 1990	1.69	E RAdeg	36.8	E DEdeg	31.7	Posflg
Corr	-0.1

Hipparcos

Catalog	H	HIP	78015	Proxy		RAhms	15 55 48.60
DEdms	+29 11 39.2	Vmag	10.74	VarFlag		R Vmag	H
RAdeg	238.952	DEdeg	29.1942	AstroRef		Plx	13.34
CCDM	15558+2912	N CCDM	I	Nsys	1	Ncomp	1
MultFlag	X	Source		Qual		M HIP
Theta		Rho		HD		BD	BD+29 2740
CD		CP		Dm number	+29 2740	VIred	1.56
SpType	K5	R SpType		Coord arcsec 2000	155548.60+291139.2

Hipparcos 2

HIP	78015	Sn	5	So	2	Nc	1
RArad	4.170507988	DErad	0.5095352464	Plx	14.3	PmRA	8.94
PmDE	-38.24	E RArad	1.19	E DErad	1.5	E Plx	2.27
E pmRA	1.14	E pmDE	1.65	Hpmag	10.8799	E Hpmag	0.0044
SHp	0.055	VA	0	BV	0.795	E BV	0.068
VI	0.83

CCDM

Ccdm	15558+2912	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.52	DDEs	-20.8
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	10.8	Sp	K5	PmNote	*
PmRA	-11	PmDE	-32	Dm number	+29 2740	Cat1	BD
Name2	+29 1528	Cat2	AGK2/3	HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	15518N2929A
HIC	78015

15558+2912 B

Coord arcsec 2000	155545.46+291122.2		Mag	11.43		Spectral class	K4/5 (yellow-orange)		PmRA	8.00
PmDE	-37.0		Tycho2	2040-00534-1		Calc delta mag	0.53		Calc coord	yes

Tycho2

Tycho2	2040-00534-1	Pflag		RAmdeg	238.93751933	DEmdeg	29.18950659
PmRA	8.8	PmDE	-34.9	E RAmdeg	45	E DEmdeg	44
E pmRA	2.5	E pmDE	2.4	EpRAm	1986.95	EpDEm	1987.46
Num	4	Q RAmdeg	1.2	Q DEmdeg	1.3	Q pmRA	1.2
Q pmDE	1.3	BTmag	12.751	E BTmag	0.173	VTmag	11.590
E VTmag	0.083	Prox	501	TYC		HIP
CCDM		RAdeg	238.93750139	DEdeg	29.18959750	EpRA 1990	1.64
EpDE 1990	1.70	E RAdeg	59.8	E DEdeg	51.3	Posflg
Corr	-0.1

CCDM

Ccdm	15558+2912	RComp		Comp	B	Note1
Note2		Discov num	DOO	DRAs		DDEs
R dRAs		Year	1909	Theta	250	Rho	50.8
Obs	1	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	15518N2929B
HIC