20353+1440 DRS 32 (Zet Del)

20^h 35^m 18.53^s +14° 40' 27.1" P.A. 143.00 sep 13.5 mag 4.36,15.30 Sp A3V+L5 dist. 67.48 pc (220.12 l.y.)

Coord 2000	20353+1440	Discov num	DRS 32	Comp		Coord arcsec 2000	20 35 18.53 +14 40 27.1
Date first	2008	Date last	2013	Obs	4
Pa first	143	Pa last	143.1	P.A. Now (θ)	143.1°
Sep first	13.5	Sep last	13.53	Sep. Now (ρ)	13.53"
Mag pri	4.36	Mag sec	15.30	delta mag (ΔM)	10.94	Spectral class	A3V+L5 (white/very deep red)
Pri motion ra	+046	Sec motion ra
Pri motion dec	+012	Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	Zet Del	Var name	NSV13163 Del	Constellation	Delphinus	SAO	106274
HIP	101589	Tycho2	1100-01719-1	Gaia DR2	1804510069668710400	HD	196180
HR	7871	GC	28659	BD	BD+14 4353	Bayer	Zeta Delphini
Bayer name	Zet Del	Flamsteed	4 Delphini	Flamsteed name	4 Del	Distance	67.48
Distance ly	220.12	Bayer greek	ζ Del

WDS 20353+1440 DRS 32 (Zet Del) : NOTES

discov_num	notes	refcode
DRS 32	Zet Del. De Rosa et al (2014) derive a system age of 525 +/- 125 Myr.
	The B component is estimated as L5 +/- 2, with mass 55 +/- 10 Mjup.	DRs2014b

REFERENCES

refcode	metd	author	reference
DRs2014b	A j	De Rosa, R.J., Patience, J., Ward-Duong, K., Vigan, A., Marois, C., Song, I.,	2014MNRAS.445.3694D
DRs2014b		Macintosh, B., Graham, J.R., Doyon, R., Bessell, M.S., et al.
DRs2014b		MNRAS 445, 3694, 2014

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20353+1440	DRS 32		2013	4	143	13.5	4.36	15.30	A3V L5	N K	203518.53+144027.1

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WDS 20353+1440 DRS 32 (Zet Del) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20353+1440 DRS 32 (Zet Del) : MEASURES

No records found.

WDS 20353+1440 (Zet Del) : VIRTUAL EYEPIECE

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WDS 20353+1440 (Zet Del) : ALADIN DSS IMAGE @ 20^h 35^m 18.53^s +14° 40' 27.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20353+1440 DRS 32 (Zet Del) : 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		20353+1440	DRS 32		143	13.5	1
Show		20351+1439	BPM2197	AB	327	17.3	4
Show		20351+1439	BPM2198	BC	11	114.9	4
Show		20352+1457	SKF1767		246	1.5	17
Show		20366+1437	A 1679		273	3.1	20
Show		20346+1423	BPM2194		77	81.0	21
Show		20368+1444	STF2703	BC	215	67.0	22
Show		20368+1444	STF2703	AB	290	25.1	23
Show		20368+1444	STF2703	AD	347	84.7	23
Show		20368+1444	STF2703	AC	234	77.8	23
Show		20351+1413	J 1887		278	5.4	27
Show		20372+1425	HEI9015		14	4.6	31
Show		20370+1420	J 3098		302	4.9	32
Show	Rotanev	20375+1436	BU 151	AB	218	0.2	33
Show		20375+1436	HJ 5545	AB,C	139	12.1	33
Show		20375+1436	STF2704	AB,D	317	47.8	33
Show		20375+1436	LBZ 1	AB,E	271	112.6	33
Show		20357+1522	ARY 85		321	83.6	42
Show		20334+1359	J 3093		44	4.3	50
Show		20351+1533	J 566		119	4.1	52
Show		20320+1416	HJL 282		189	74.8	54
Show		20316+1442	A 1676		99	1.9	54
Show		20388+1500	BU 435		119	3.1	55
Show		20329+1357	L 35	CD	130	0.5	56
Show		20391+1448	LEP 95		151	8.5	56
Show		20321+1511	A 1677		184	1.3	56
Show		20329+1357	BU 670	AB	5	0.8	56
Show		20329+1357	A 3108	AB,CD	340	98.4	56
Show		20315+1446	J 1885		353	12.0	58
Show		20315+1448	J 1884		132	8.8	58
Show		20324+1524	TDS1080		286	1.0	61
Show		20364+1339	BPM2206		91	38.2	64
Show		20321+1358	HJ 1527		270	10.6	64
Show		20340+1543	CBL 527		190	50.3	66
Show		20390+1400	BPM2217		287	65.7	68
Show		20334+1544	BPM2186		75	53.0	69
Show		20397+1415	UC 4247		147	32.7	69
Show		20342+1333	HEI 277		247	0.7	70
Show		20391+1526	BPM2219		170	85.3	72
Show		20397+1406	J 3104		286	6.2	73
Show		20379+1338	KPP2532		26	22.8	74
Show		20363+1328	BPM2203	AB	231	51.2	74
Show		20363+1328	BPM2204	AC	356	69.3	74
Show		20329+1336	BRT1346		205	7.9	74
Show		20310+1402	BPM2180		301	61.2	74
Show		20402+1503	UC 4251		291	52.0	75
Show		20340+1326	FOX 37		57	1.3	76
Show		20366+1553	BPM2207		49	43.4	76
Show		20393+1529	HEI 77		41	1.4	77
Show		20306+1404	AG 408		285	5.1	78
Show		20375+1557	BPM2214		90	69.1	84

WDS 20353+1440 : COMPONENTS

	A
B	pa=144.0° sep=13.37"

20353+1440 A

Componente originario normalizzato	AB	Name	Zet Del	Coord arcsec 2000	203518.53+144027.1	Mag	4.36
Spectral class	A3V (white)	PmRA	46.00	PmDE	12.0	SAO	106274
HIP	101589	Tycho2	1100-01719-1	HD	196180	HR	7871
GC	28659	BD	BD+14 4353	Bayer	Zeta Delphini	Bayer name	Zet
Flamsteed	4 Delphini	Flamsteed name	4 Del

Tycho2

Tycho2	1100-01719-1	Pflag		RAmdeg	308.82723526	DEmdeg	14.67421103
PmRA	46.9	PmDE	11.0	E RAmdeg	3	E DEmdeg	3
E pmRA	0.7	E pmDE	0.7	EpRAm	1991.44	EpDEm	1991.27
Num	18	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	1.0
Q pmDE	1.3	BTmag	4.768	E BTmag	0.014	VTmag	4.660
E VTmag	0.009	Prox	999	TYC	T	HIP	101589
CCDM		RAdeg	308.82712389	DEdeg	14.67418528	EpRA 1990	1.71
EpDE 1990	1.53	E RAdeg	3.3	E DEdeg	3.4	Posflg
Corr	-0.1

SAO

SAO	106274	DelFlag		RA1950		PmRA1950	0.0031
DE1950		PmDE1950	0.015	Vmag	4.7	SpType	A2
Double code		Source	70	CatNum	28659	DM	BD+14 4353
DMcomp		BDsup		HD	196180	M HD	0
GC	28659	RA1950rad	5.37984635	DE1950rad	0.25308356	PmRA2000	0.0032
PmDE2000	0.013

Hipparcos

Catalog	H	HIP	101589	Proxy		RAhms	20 35 18.51
DEdms	+14 40 27.1	Vmag	4.64	VarFlag		R Vmag	H
RAdeg	308.827	DEdeg	14.6742	AstroRef		Plx	14.36
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	196180	BD	BD+14 4353
CD		CP		Dm number	+14 4353	VIred	0.14
SpType	A3V	R SpType		Coord arcsec 2000	203518.51+144027.1

Hipparcos 2

HIP	101589	Sn	5	So	0	Nc	1
RArad	5.3900500188	DErad	0.2561128374	Plx	14.82	PmRA	45.52
PmDE	11.74	E RArad	0.18	E DErad	0.16	E Plx	0.23
E pmRA	0.26	E pmDE	0.17	Hpmag	4.6914	E Hpmag	0.0004
SHp	0.004	VA	0	BV	0.12	E BV	0.009
VI	0.14

20353+1440 B

Componente originario normalizzato	AB		Coord arcsec 2000	203519.07+144016.3		Mag	15.3		Spectral class	L5 (very deep red)
Calc delta mag	10.94		Calc coord	yes