You're not logged.

Actions

Advanced Search
Go to Simbad
New report
New measure
Login

Computed Lists

Current system

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

03271+1845 CHR 10 AB

03^h 27^m 03.20^s +18° 45' 23.6" P.A. 29.00 sep 0.0 mag 6.60, Sp A3V dist. 122.25 pc (398.78 l.y.)

Coord 2000	03271+1845	Discov num	CHR 10	Comp	AB	Coord arcsec 2000	03 27 03.20 +18 45 23.6
Date first	1985	Date last	2023	Obs	12
Pa first	110	Pa last	28.7	P.A. Now (θ)	234.9°
Sep first	0.1	Sep last	0.044	Sep. Now (ρ)	0.068"
Mag pri	6.60	Mag sec		delta mag (ΔM)		Spectral class	A3V (white)
Pri motion ra	+043	Sec motion ra
Pri motion dec	-006	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

03271+1845 SYSTEM COMPONENTS

Show

name

SAO

coord

wds_name

last

obs

sep

mag1

mag2

d_mag

orb

current

Show

93436

03 27 03 +18 45 24

CHR 10 AB

2023

0.0

6.60

<===

Show

HD 21335

93436

03 27 03 +18 45 24

RBR 35 AC

2023

0.9

6.60

12.00

5.40

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Taurus	SAO	93436	HIP	16077	Tycho2	1241-00799-1
Gaia DR2	57495631977753344	HD	21335	HR	1036	GC	4103
BD	BD+18 484	FK5	2242	Distance	122.25	Distance ly	398.78

ORBITAL ELEMENTS

Period (P)	8.399y	± 0.033	Periastron (T)	2022.767y	± 0.113	Semi-major axis (a)	0.055a	± 0.003
Eccentricity (e)	0.584	± 0.04	Inclination (i)	21.9°	± 12.8	Longitude of periastron (ω)	79.2°	± 27
Node (Ω)	195.3°	± 30.2	Notes	n		Reference	Tok2023a
Equinox	2000		Last observation	2022		Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	65.4	0.072
2001	82.1	0.080
2002	97.1	0.081
2003	112.9	0.076
2004	132.5	0.064
2005	165.2	0.045
2006	280.4	0.021
2007	27.8	0.047
2008	57.4	0.067
2009	75.9	0.078
2010	91.2	0.081
2011	106.3	0.079
2012	123.9	0.070
2013	149.2	0.054
2014	210.3	0.029
2015	5.2	0.036
2016	47.9	0.061
2017	69.1	0.074
2018	85.2	0.080
2019	100.2	0.080
2020	116.4	0.074
2021	137.5	0.061
2022	176.1	0.040
2023	320.0	0.024
2024	35.7	0.052
2025	61.6	0.070
2026	79.1	0.079
2027	94.2	0.081
2028	109.6	0.077
2029	128.1	0.067
2030	156.6	0.050
2031	240.3	0.023
2032	18.2	0.042
2033	53.0	0.064
2034	72.6	0.076
2035	88.2	0.081
2036	103.2	0.079
2037	120.1	0.072
2038	143.1	0.058
2039	190.6	0.034
2040	347.5	0.030
2041	42.3	0.057
2042	65.5	0.072
2043	82.2	0.080
2044	97.2	0.081
2045	112.9	0.076
2046	132.6	0.064
2047	165.4	0.045
2048	281.4	0.021
2049	28.0	0.048
2050	57.5	0.067

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 03271+1845 CHR 10 AB : NOTES

discov_num	notes	refcode
CHR 10	Resolution of an occultation binary.

REFERENCES

refcode	metd	author	reference
Tok2023a	orb -	Tokovinin, A.	2023IAUDS.209....1T
Tok2023a		Inf. Circ. 209, 1, 2023

DISCOVERER

discov	author
CHR	Center for High Ang. Res. Astronomy (speckle interferometry systems)
RBR	Roberts, L.C., Jr., Turner, N.H., Bradford, L.W., ten Brummelaar, T., Oppenheimer,
RBR	B., Kuhn, J., Whitman, K., Perrin, M., et al.
RBR	Roberts, L.C., Jr., Gies, D.R., Parks, J.R., Grundstrom, E.D., McSwain, M.,
RBR	Berger, D., Mason, B., ten Brummelaar, T. & Turner, N.
RBR	Roberts, L.C., Jr., Rice, E.L., Beichman, C.A., Brenner, D., Burruss, R.,
RBR	Crepp, J.R., Dekany, R.G., Hillenbrand, L.A., Hinkley, S., Ligon, E.R.,
RBR	Lockhart, T.G., King, D., et al.
RBR	Roberts, L.C., Jr., Bouchez, A.H., Roberts, J.E., Burruss, R., Crepp, J.R., Mawet,
RBR	D., Ohara, C.M., Cromer, J.L., Dekany, R.G., Troy, M., Velur, V. & Li, J.
RBR	Roberts, L.C., Jr., Tokovinin, A., Mason, B.D., Riddle, R.L., Hartkopf, W.I.,
RBR	Law, N.M., & Baranec, Ch.
RBR	Roberts, L.C., Jr., Mason, B.D., Neyman, C.R., Wu, Y., Riddle, R.L., Shelton, J.,
RBR	Angione, J., Baranec, Ch., Bouchez, A., Bui, K., Burruss, R., Burse, M., et al.
RBR	Roberts, L.C., Jr., Oppenheimer, R., Crepp, J.R., Baranec, Ch., Beichman, C.A.,
RBR	Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R.,
RBR	Hillenbrand, L.A., Hinkley, S., et al.
RBR	Roberts, L.C., Jr., Mason, B.D., Aguilar, J., Carson, J., Crepp, J., Beichman, C.,
RBR	Brenner, D., Burruss, R., Cady, E., Luszcz-Cook, S., Dekany, R., Hillenbrand, L.,
RBR	et al.
TOK	Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK	Martinez, M., & Mondaca, E.
TOK	Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK	Tokovinin, A. & Briceno, C.

WDS HISTORIC DATA

coord_2000

discov_num

comp

epoch

obs

sep

mag_pri

mag_sec

spectr

dm_number

notes

coord_arcsec_2000

03271+1845

CHR 10

1991

250

0.1

6.60

A3V

+18 484

032703.20+184523.6

03271+1845

CHR 10

2018

0.1

6.60

A3V

+18 484

032703.20+184523.6

03271+1845

CHR 10

2019

114

0.1

6.60

A3V

+18 484

032703.20+184523.6

03271+1845

CHR 10

2020

134

0.1

6.60

A3V

+18 484

032703.20+184523.6

03271+1845

CHR 10

2021

161

0.0

6.60

A3V

+18 484

032703.20+184523.6

03271+1845

CHR 10

2022

235

0.0

6.60

A3V

+18 484

032703.20+184523.6

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

WDS 03271+1845 CHR 10 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 03271+1845 CHR 10 AB : MEASURES

No records found.

WDS 03271+1845 : 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 03271+1845 : ALADIN DSS IMAGE @ 03^h 27^m 03.20^s +18° 45' 23.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03271+1845 CHR 10 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		03271+1845	CHR 10	AB	29	0.0	1
Show		03271+1845	RBR 35	AC	81	0.9	1
Show		03275+1911	A 2345	AB	176	1.0	27
Show		03298+1844	WZ 7		283	7.4	39
Show		03254+1745	OCC 430		-1	0.2	66
Show		03244+1748	LDS3488		112	149.9	70
Show		03261+1733	GRV 176		253	17.5	73
Show		03305+1751	GRV 177		106	26.0	74
Show		03320+1820	LDS3501		270	4.0	75
Show		03219+1831	J 930		121	3.8	76
Show		03325+1819	TDS2568		50	2.1	82
Show		03242+1733	STF 383		120	5.5	83
Show		03216+1920	GWP 455		208	13.9	85
Show		03312+1947	STF 403	AB	172	2.3	86
Show		03287+2010	TDS 116		183	1.1	88
Show		03225+1744	TOK 875		239	1.7	90
Show		03261+2015	A 2344	AB	189	1.3	91
Show		03261+2015	CTT 6	AC	128	50.9	91
Show		03305+2006	RAO 11	Ba,Bb	249	0.3	95
Show		03305+2006	STF 399	AB	146	19.6	95
Show		03305+2006	STF 399	AC	222	57.6	95
Show		03206+1911	STF 377	AB	102	1.2	96
Show		03206+1911	STF 377	AC	223	24.3	96
Show		03263+1709	JNN 256		224	1.0	97
Show		03282+1710	DOO 29		211	20.5	97
Show		03338+1814	OCC 911	AB	-1	0.2	102
Show		03280+2028	COU 260	Aa,Ab	83	0.7	104
Show		03280+2028	STF 394	AB	163	6.9	104
Show		03198+1905	OCC 362		-1	0.1	105
Show		03196+1841	COU 36	AB	143	1.0	107
Show		03196+1841	TOK 476	AC	227	999.9	107
Show		03211+1741	XMI 6		254	29.6	107
Show		03227+1717	BPM 72		99	89.9	108
Show		03299+1704	HJ 3247		201	6.9	109
Show		03207+1736	HJ 3246	CR	158	15.6	111
Show		03207+1736	HJ 3246	AB	194	159.8	111
Show		03207+1736	HJ 3246	AD	226	9.3	111
Show		03207+1736	HJ 3246	AC	138	172.5	111
Show		03203+1944	STF 376		251	7.2	112
Show		03247+2033	J 931		79	4.8	113
Show		03207+1736	HJ 3245	BE	103	10.8	113
Show		03207+1736	HJ 3246	BC	80	154.1	113
Show		03220+1715	LDS3483		330	26.0	116
Show		03271+1646	CVR 441		149	10.1	119
Show		03196+1841	TOK 476	CD	235	416.2	121
Show		03310+1659	SLW 155		229	52.2	121
Show		03345+1948	STF 414		186	7.5	123
Show		03355+1912	BRT2311		341	2.3	124
Show		03349+1949	STF 416	AB	68	30.6	129
Show		03349+1949	ES 2600	AC	294	24.1	129
Show		03183+1810	OCC 910		142	0.4	129

WDS 03271+1845 : COMPONENTS

	A	B
B	pa=28.7° sep=0.04"
C	pa=80.5° sep=0.88"	pa=82.8° sep=0.85"

03271+1845 A

Coord arcsec 2000	032703.20+184523.6	Mag	6.6	Spectral class	A3V (white)	PmRA	43.00
PmDE	-6.0	SAO	93436	HIP	16077	Tycho2	1241-00799-1
HD	21335	HR	1036	GC	4103	BD	BD+18 484
FK5	2242

Tycho2

Tycho2	1241-00799-1	Pflag		RAmdeg	51.76342046	DEmdeg	18.75654728
PmRA	39.5	PmDE	-0.5	E RAmdeg	5	E DEmdeg	5
E pmRA	0.7	E pmDE	0.7	EpRAm	1990.72	EpDEm	1990.77
Num	27	Q RAmdeg	0.8	Q DEmdeg	1.0	Q pmRA	0.7
Q pmDE	1.0	BTmag	6.753	E BTmag	0.015	VTmag	6.558
E VTmag	0.011	Prox	999	TYC	T	HIP	16077
CCDM		RAdeg	51.76332361	DEdeg	18.75654861	EpRA 1990	1.64
EpDE 1990	1.58	E RAdeg	4.5	E DEdeg	4.9	Posflg
Corr	-0.3

SAO

SAO	93436	DelFlag		RA1950		PmRA1950	0.0033
DE1950		PmDE1950	0.004	Vmag	6.5	SpType	A2
Double code		Source	70	CatNum	4103	DM	BD+18 484
DMcomp		BDsup		HD	21335	M HD	0
GC	4103	RA1950rad	0.89096811	DE1950rad	0.32433429	PmRA2000	0.0033
PmDE2000	0.002

Hipparcos

Catalog	H	HIP	16077	Proxy		RAhms	03 27 03.20
DEdms	+18 45 23.6	Vmag	6.54	VarFlag		R Vmag	H
RAdeg	51.7633	DEdeg	18.7565	AstroRef		Plx	7.78
CCDM	35.70	N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD		BD	BD+18 484
CD		CP		Dm number	+18 484	VIred	0.17
SpType	A3V	R SpType		Coord arcsec 2000	032703.20+184523.6

Hipparcos 2

HIP	16077	Sn	5	So	0	Nc	1
RArad	0.9034403719	DErad	0.3273635249	Plx	8.18	PmRA	36.62
PmDE	2.9	E RArad	0.45	E DErad	0.36	E Plx	0.54
E pmRA	0.61	E pmDE	0.62	Hpmag		E Hpmag	0.001
SHp	0.007	VA	0	BV	0.188	E BV	0.01
VI	0.21

CCDM

Ccdm	03271+1845	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.78	DDEs	23.5
R dRAs	81	Year		Theta		Rho
Obs	2	Vmag	6.6	Sp	A3	PmNote	@
PmRA	43	PmDE	-6	Dm number	+18 484	Cat1	BD
Name2	+18 265	Cat2	AGK2/3	HD	21335	M HD
ADS BDS		M ADS BDS	N	N IDS	W	IDS	03271+1845A
HIC	16077

03271+1845 B

Coord arcsec 2000

032703.20+184523.6

Delta magnitude

6.6

Coordinate calculated

yes

CCDM

Ccdm	03271+1845	RComp		Comp	B	Note1
Note2		Discov num	CHR 10	DRAs		DDEs
R dRAs		Year	1985	Theta	109	Rho	0.1
Obs	2	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	03271+1845B
HIC	16077

03271+1845 C

Coord arcsec 2000

032703.26+184523.7

Mag

Delta magnitude

5.4

Coordinate calculated

yes