20538-1516 UC 4320

20^h 53^m 50.26^s -15° 15' 31.7" P.A. 156.00 sep 10.3 mag 11.40,16.40 Sp G5

Coord 2000	20538-1516	Discov num	UC 4320	Comp		Coord arcsec 2000	20 53 50.26 -15 15 31.7
Date first	1999	Date last	2016	Obs	5
Pa first	156	Pa last	155.5	P.A. Now (θ)	155.5°
Sep first	10.3	Sep last	10.328	Sep. Now (ρ)	10.328"
Mag pri	11.40	Mag sec	16.40	delta mag (ΔM)	5	Spectral class	G5 (yellow)
Pri motion ra	+067	Sec motion ra	+073
Pri motion dec	-013	Sec motion dec	-010
Notes	V (Proper motion indicates physical)

rPM=0.091 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Capricornus

Tycho2

6344-00276-1

Gaia DR2

6886598773415670784

358000

WDS 20538-1516 UC 4320 : 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
20538-1516	UC 4320		1999	2	155	10.1	11.40	16.40		V	205350.26-151531.7
20538-1516	UC 4320		2000	2	155	10.1	11.40	16.40		V	205350.26-151531.7
20538-1516	UC 4320		2015	3	156	10.3	11.40	16.40	G5	V	205350.26-151531.7
20538-1516	UC 4320		2016	5	156	10.3	11.40	16.40	G5	V	205350.26-151531.7

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

WDS 20538-1516 UC 4320 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20538-1516 UC 4320 : MEASURES

No records found.

WDS 20538-1516 : VIRTUAL EYEPIECE

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

WDS 20538-1516 : ALADIN DSS IMAGE @ 20^h 53^m 50.26^s -15° 15' 31.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20538-1516 UC 4320 : 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		20538-1516	UC 4320		156	10.3
Show		20557-1547	GWP3018		249	15.2	42
Show		20571-1453	TVB 318		49	16.0	53
Show		20571-1539	SKF2093		197	16.6	53
Show		20528-1610	BU 154		61	3.0	57
Show		20526-1609	SPF 2		124	0.1	57
Show		20530-1416	HU 272		184	3.5	61
Show		20557-1625	DAM 219		117	8.2	75
Show		20555-1400	LDS6418	AB	185	107.3	78
Show		20555-1400	TSN 195	Aa,Ab	190	0.1	78
Show		20519-1631	HJ 3001		241	6.6	81
Show		20587-1429	OCC 19	AB	-1	0.1	85
Show		20587-1429	SKF2094	AC	118	129.0	85
Show		20477-1542	OCC1007		-1	0.1	93
Show		21002-1507	OCC1006		-1	0.1	93
Show		21001-1449	RST4072		142	1.9	95
Show		20494-1638	RST3269		71	2.1	105
Show		20518-1336	BRT2777		333	3.5	105
Show		20593-1628	SKF2095			14.4	108
Show		20562-1331	TDT2644		252	0.6	110
Show		20550-1705	SKF2092		68	8.3	111
Show		21008-1606	GWP3028		345	14.1	113
Show		20558-1707	JAY 1	AB	324	1.1	115
Show		20558-1707	TOK 343	AC	138	324.9	115
Show		20537-1711	GWP3014		264	9.5	116
Show		20558-1707	JAY 2	CD	141	2.2	120
Show		20506-1325	KPP2249		274	18.7	120
Show		20550-1316	GWP3016		352	39.8	121
Show		21018-1440	BRT2778		179	3.5	121
Show		20533-1719	HLD 42		44	1.3	124
Show		20595-1653	UC 4353		143	15.1	127
Show		21026-1528	OCC1013		-1	0.0	127
Show		20486-1333	RST4069		179	0.3	129
Show		20452-1548	OCC 290		-1	0.1	129
Show		21025-1544	GWP3030		37	56.1	129
Show		21016-1626	OCC1016		-1	0.1	133
Show		20448-1458	OCC 20	AB	-1	0.1	133
Show		20448-1458	OCC 20	AC	-1	0.1	133
Show		20465-1642	SKI 11		289	3.9	137
Show		20444-1503	HJ 1567		344	30.6	138
Show		20569-1731	OCC 351		-1	0.2	143
Show		20468-1655	ARN 110		90	59.4	143
Show		20500-1303	UC 4304		74	64.9	144
Show		20591-1313	HU 83		99	0.3	145
Show		20464-1653	HU 271		100	0.3	145
Show		20590-1311	CVR 880		16	7.7	146
Show		21006-1705	HO 461		229	3.0	147
Show		20588-1300	UC 4348		260	18.4	154
Show		21003-1312	RST4073		4	0.4	156
Show		20482-1303	HJ 2997		196	8.4	157
Show		21019-1326	WSP 70	AB	168	3.2	161

WDS 20538-1516 : COMPONENTS

	A
B	pa=156.3° sep=10.27"

20538-1516 A

Componente originario normalizzato	AB		Coord arcsec 2000	205350.26-151531.7		Mag	11.4		Spectral class	G5 (yellow)
PmRA	67.00		PmDE	-13.0		Tycho2	6344-00276-1		HD	358000

Tycho2

Tycho2	6344-00276-1	Pflag		RAmdeg	313.45945306	DEmdeg	-15.25878520
PmRA	67.9	PmDE	-14.0	E RAmdeg	65	E DEmdeg	74
E pmRA	1.8	E pmDE	1.9	EpRAm	1972.59	EpDEm	1966.11
Num	4	Q RAmdeg	1.2	Q DEmdeg	1.9	Q pmRA	1.2
Q pmDE	1.8	BTmag	12.177	E BTmag	0.185	VTmag	11.261
E VTmag	0.118	Prox	965	TYC		HIP
CCDM		RAdeg	313.45929139	DEdeg	-15.25875250	EpRA 1990	1.72
EpDE 1990	1.60	E RAdeg	73.8	E DEdeg	88.3	Posflg
Corr	-0.2

20538-1516 B

Componente originario normalizzato	AB		Coord arcsec 2000	205350.55-151541.1		Mag	16.4		PmRA	73.00
PmDE	-10.0		Calc delta mag	5		Calc coord	yes