20374-1509 UC 4237 (Tau1 Cap)

20^h 37^m 21.20^s -15° 08' 50.4" P.A. 111.00 sep 76.1 mag 6.90,15.13 Sp K3III dist. 259.07 pc (845.09 l.y.)

Coord 2000	20374-1509	Discov num	UC 4237	Comp		Coord arcsec 2000	20 37 21.20 -15 08 50.4
Date first	1998	Date last	2016	Obs	6
Pa first	111	Pa last	111.1	P.A. Now (θ)	111.1°
Sep first	75.9	Sep last	76.09	Sep. Now (ρ)	76.09"
Mag pri	6.90	Mag sec	15.13	delta mag (ΔM)	8.23	Spectral class	K3III (yellow-orange)
Pri motion ra	+062	Sec motion ra	+063
Pri motion dec	-046	Sec motion dec	-048
Notes	V (Proper motion indicates physical)

rPM=0.028 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	Tau1 Cap	Constellation	Capricornus	SAO	163740	HIP	101751
Tycho2	6330-01286-1	Gaia DR2	6863379630458503168	HD	196348	GC	28694
BD	BD-15 5732	Bayer	Tau 1 Capricorni	Bayer name	Tau1 Cap	Flamsteed	13 Capricorni
Flamsteed name	13 Cap	Distance	259.07	Distance ly	845.09	Bayer greek	τ¹ Cap

WDS 20374-1509 UC 4237 (Tau1 Cap) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
UC		USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4)	...................
UC_2013a	Eu j	Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G.,	2013AJ....145...44Z
UC_2013a		& Zacharias, M.I. (UCAC4 Catalog)
UC_2013a		AJ 145, 44, 2013
UC_2013b	Eu j	Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D.	2013AJ....146...76H
UC_2013b		AJ 146, 76, 2013 (UC 301 - 5058)
UC_2013b		(Relative astrometry is derived from individual measurements, not precessed means.
UC_2013b		UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended
UC_2013b		image (a flag value of 30 or higher). Model fit magnitudes are given for both
UC_2013b		components if either has such a flag. Model fit magnitudes are indicated by the
UC_2013b		letter "f" following the filter information.
UC_2013b		APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012.
UC_2013b		Due to aperture method used, APASS photometry is only included for pairs wider
UC_2013b		than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed
UC_2013b		identical values for both components in all filters were removed, as well.
UC_2015	Eu -	Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C.,	2015AJ....150..101Z
UC_2015		DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C.,
UC_2015		Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G.
UC_2015		AJ 150, 101, 2015
UC_9999	Eu -	temporary UCAC files	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20374-1509	UC 4237		1999	2	112	76.4	6.90	15.10		V	203721.20-150850.4
20374-1509	UC 4237		2000	2	111	76.1	6.90	15.10		V	203721.20-150850.4
20374-1509	UC 4237		2010	3	111	76.1	6.90	15.13	K3III	V	203721.20-150850.4
20374-1509	UC 4237		2015	4	111	76.1	6.90	15.13	K3III	V	203721.20-150850.4
20374-1509	UC 4237		2016	6	111	76.1	6.90	15.13	K3III	V	203721.20-150850.4

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

WDS 20374-1509 UC 4237 (Tau1 Cap) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20374-1509 UC 4237 (Tau1 Cap) : MEASURES

No records found.

WDS 20374-1509 (Tau1 Cap) : 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 20374-1509 (Tau1 Cap) : ALADIN DSS IMAGE @ 20^h 37^m 21.20^s -15° 08' 50.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20374-1509 UC 4237 (Tau1 Cap) : 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		20374-1509	UC 4237		111	76.1	1
Show		20363-1519	HJ 1537		22	3.6	19
Show		20393-1457	HU 200	AB	123	0.4	31
Show		20393-1457	HU 200	AC	272	159.2	31
Show		20393-1457	OCC 226	Ba,Bb	-1	0.1	31
Show		20389-1442	RST4066		289	0.6	35
Show		20343-1542	RST5551		119	0.1	55
Show		20343-1437	OCC 349		-1	0.3	56
Show		20389-1600	NSN 497		234	2.0	57
Show		20410-1431	HO 135		226	2.8	66
Show		20336-1602	ARA 127		281	9.3	75
Show		20426-1444	LDS4856		200	2.0	81
Show		20360-1350	RST4672	AB	186	5.0	82
Show		20323-1427	RST4669	AB	23	2.3	85
Show		20323-1427	WSI 15	AC	113	11.1	85
Show		20333-1402	AHD 16		286	6.7	89
Show		20349-1632	UC 4222	AB	177	60.9	91
Show		20349-1632	UC 4222	BC	346	32.3	92
Show		20311-1503	FIN 336		332	0.1	92
Show		20352-1338	BRT2774		81	7.3	97
Show		20342-1343	TOK 678		263	24.2	98
Show		20414-1352	BRT2776		79	4.2	98
Show		20325-1621	ARA 126		289	5.5	100
Show		20405-1640	OCC9057		-1	0.0	103
Show		20407-1639	GWP2981		56	86.1	103
Show		20444-1503	HJ 1567		344	30.6	103
Show		20373-1653	OCC 827	AB	-1	0.1	104
Show		20415-1638	OCC9058		-1	0.1	108
Show		20388-1323	BRT2775		9	3.7	108
Show		20448-1458	OCC 20	AB	-1	0.1	108
Show		20448-1458	OCC 20	AC	-1	0.1	108
Show		20328-1343	HO 132		207	7.0	110
Show		20363-1320	CVR 227		221	9.8	110
Show		20350-1323	CVR 226		36	18.4	111
Show		20335-1333	OCC1089		-1	0.1	111
Show		20325-1637	SEE 512		127	0.3	113
Show		20412-1330	OCC 413		-1	0.3	114
Show		20328-1333	HO 133	AB	171	1.2	117
Show		20328-1333	HO 133	AC	255	134.6	117
Show		20387-1704	OCC9194		-1	0.1	117
Show		20400-1700	OCC9056		-1	0.0	118
Show		20386-1313	KPP1738		57	13.4	118
Show		20406-1319	HJ 611		338	12.1	121
Show		20452-1548	OCC 290		-1	0.1	121
Show		20412-1320	WSI 163		46	10.3	123
Show		20332-1658	RST3263		79	0.8	126
Show		20370-1715	GWP2972		69	144.3	127
Show		20387-1715	OCC9055		-1	0.0	128
Show		20442-1342	HLD 162		137	1.5	133
Show		20363-1722	ARA 305		99	7.4	134
Show		20355-1256	LDS4852		320	1.5	135

WDS 20374-1509 : COMPONENTS

	A
B	pa=111.8° sep=73.79"

20374-1509 A

Componente originario normalizzato	AB	Name	Tau1 Cap	Coord arcsec 2000	203721.20-150850.4	Mag	6.9
Spectral class	K3III (yellow-orange)	PmRA	62.00	PmDE	-46.0	SAO	163740
HIP	101751	Tycho2	6330-01286-1	HD	196348	GC	28694
BD	BD-15 5732	Bayer	Tau 1 Capricorni	Bayer name	Tau1	Flamsteed	13 Capricorni
Flamsteed name	13 Cap

Tycho2

Tycho2	6330-01286-1	Pflag		RAmdeg	309.33832423	DEmdeg	-15.14734195
PmRA	61.2	PmDE	-47.2	E RAmdeg	4	E DEmdeg	6
E pmRA	0.8	E pmDE	0.8	EpRAm	1991.23	EpDEm	1990.27
Num	17	Q RAmdeg	1.2	Q DEmdeg	0.7	Q pmRA	1.2
Q pmDE	0.6	BTmag	8.424	E BTmag	0.017	VTmag	6.898
E VTmag	0.010	Prox	999	TYC	T	HIP	101751
CCDM		RAdeg	309.33817833	DEdeg	-15.14722861	EpRA 1990	1.72
EpDE 1990	1.34	E RAdeg	4.4	E DEdeg	5.5	Posflg
Corr	-0.1

SAO

SAO	163740	DelFlag		RA1950		PmRA1950	0.0043
DE1950		PmDE1950	-0.038	Vmag	6.9	SpType	K0
Double code		Source	70	CatNum	28694	DM	BD-15 5732
DMcomp		BDsup		HD	196348	M HD	0
GC	28694	RA1950rad	5.38674585	DE1950rad	-0.2674161	PmRA2000	0.0045
PmDE2000	-0.039

Hipparcos

Catalog	H	HIP	101751	Proxy		RAhms	20 37 21.16
DEdms	-15 08 50.0	Vmag	6.76	VarFlag		R Vmag	H
RAdeg	309.338	DEdeg	-15.1472	AstroRef		Plx	3.69
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	196348	BD	BD-15 5732
CD		CP		Dm number	-15 5732	VIred	1.28
SpType	K1III	R SpType		Coord arcsec 2000	203721.16-150850.0

Hipparcos 2

HIP	101751	Sn	5	So	0	Nc	1
RArad	5.3989695547	DErad	-0.264368934	Plx	3.86	PmRA	62.04
PmDE	-45.82	E RArad	0.44	E DErad	0.33	E Plx	0.48
E pmRA	0.6	E pmDE	0.51	Hpmag	6.9163	E Hpmag	0.0011
SHp	0.008	VA	0	BV	1.26	E BV	0.007
VI	1.28

20374-1509 B

Componente originario normalizzato	AB		Coord arcsec 2000	203725.93-150917.8		Mag	15.13		PmRA	63.00
PmDE	-48.0		Calc delta mag	8.23		Calc coord	yes