21031+1434 A 1689 (HD 200452)

21^h 03^m 08.35^s +14° 34' 20.5" P.A. 341.00 sep 2.4 mag 10.41,10.85 Sp F2V

Coord 2000	21031+1434	Discov num	A 1689	Comp		Coord arcsec 2000	21 03 08.35 +14 34 20.5
Date first	1907	Date last	2018	Obs	20
Pa first	339	Pa last	340.8	P.A. Now (θ)	340.8°
Sep first	2.3	Sep last	2.43	Sep. Now (ρ)	2.43"
Mag pri	10.41	Mag sec	10.85	delta mag (ΔM)	0.44	Spectral class	F2V (yellow-white)
Pri motion ra	+003	Sec motion ra	+003
Pri motion dec	-009	Sec motion dec	-009
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 200452		Constellation	Delphinus		Tycho2	1115-00052-1		Gaia DR2	1760170850230773760
HD	200452		ADS	14581

WDS 21031+1434 A 1689 (HD 200452) : NOTES

discov_num	notes	refcode
A 1689	OL 131 is identical	Hei1980a

REFERENCES

refcode	metd	author	reference
Hei1980a	Ma j	Heintz, W.D.	1980ApJS...44..111H
Hei1980a	+Mb	ApJS 44, 111, 1980

DISCOVERER

idgroup	discov	author
1	A	Aitken, R.G.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21031+1434	A 1689		2000	18	340	2.2	10.41	10.85	F2V	N	210308.35+143420.5
21031+1434	A 1689		2015	19	341	2.4	10.41	10.85	F2V	N	210308.35+143420.5
21031+1434	A 1689		2018	20	341	2.4	10.41	10.85	F2V	N	210308.35+143420.5

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WDS 21031+1434 A 1689 (HD 200452) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21031+1434 A 1689 (HD 200452) : MEASURES

No records found.

WDS 21031+1434 (HD 200452) : VIRTUAL EYEPIECE

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WDS 21031+1434 (HD 200452) : ALADIN DSS IMAGE @ 21^h 03^m 08.35^s +14° 34' 20.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21031+1434 A 1689 (HD 200452) : 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		21031+1434	A 1689		341	2.4
Show		21035+1446	UC 4367		339	47.5	14
Show		21022+1426	A 1688		70	0.3	17
Show		21021+1423	A 1687		189	0.8	19
Show		21051+1435	NSN 740	DE	268	9.2	29
Show		21058+1432	WNO 11	AB	41	2.6	33
Show		21058+1432	LDS1050	AC	309	295.6	33
Show		21034+1508	BPM2315		276	68.2	34
Show		21056+1443	TDT2738	CD	190	1.9	37
Show		21056+1443	HEI 78	AB	235	1.7	37
Show		21056+1443	HEI 78	AC	169	49.8	37
Show		21006+1449	BPM2309		244	10.4	40
Show		21048+1506	BPM2319		158	83.0	40
Show		21046+1400	BPM2318		84	80.1	41
Show		21060+1443	BPM2324		137	68.6	43
Show		21003+1446	GWP3026		158	55.3	44
Show		20598+1455	BPM2308		200	85.3	53
Show		21030+1529	BPM2314		2	72.5	55
Show		21072+1434	HEI 79	AB	295	1.7	60
Show		21072+1434	SCA 174	AC	286	1.9	60
Show		21072+1434	SCA 174	BC	229	0.3	60
Show		21070+1500	BPM2327		318	38.3	62
Show		21076+1442	BPM2329		302	76.0	65
Show		20592+1513	BPM2306		201	37.2	70
Show		21059+1331	SLE 521		131	22.0	75
Show		21064+1336	SLE 523		96	10.2	76
Show		20580+1426	BPM2302		340	14.3	76
Show		21048+1322	SLE 517		196	7.4	77
Show		21072+1524	HJ 275		336	22.4	77
Show		21049+1549	BPM2320		23	67.8	79
Show		21007+1547	SLW1228		262	14.9	82
Show		20593+1534	STT 424	AB	307	0.5	83
Show		20593+1534	STT 424	AC	305	33.9	83
Show		20593+1534	WAL 133	AB,D	206	83.7	83
Show		21078+1345	BPM2330		310	112.9	84
Show		21009+1552	BPM2310		143	95.9	85
Show		21042+1558	BPM2316		216	35.5	85
Show		20573+1434	BPM2301		61	73.1	86
Show		20577+1402	A 1685	AB	86	0.7	86
Show		20577+1402	A 1685	AC	126	14.6	86
Show		21032+1305	SLE 513		132	5.5	90
Show		20570+1426	UC 4340		2	31.5	90
Show		21097+1434	OL 132		252	1.6	90
Show		21052+1600	SLW1230		207	13.6	91
Show		21080+1338	SLE 529		345	8.1	91
Show		21025+1606	BPM2313		221	94.0	93
Show		21047+1303	BRT1350		157	6.2	95
Show		20573+1515	BPM2300		275	111.3	95
Show		21062+1311	STF2754	AB	298	29.7	95
Show		21062+1311	STF2754	AC	225	151.0	95
Show		21033+1259	HJ 272		253	11.3	95

WDS 21031+1434 : COMPONENTS

	A
B	pa=341.4° sep=2.42"

21031+1434 A

Componente originario normalizzato	AB	Name	HD 200452	Coord arcsec 2000	210308.35+143420.5	Mag	10.41
Spectral class	F2V (yellow-white)	PmRA	3.00	PmDE	-9.0	Tycho2	1115-00052-1
HD	200452	ADS	14581	DM	BD+14 4519

Tycho2

Tycho2	1115-00052-1	Pflag	P	RAmdeg	315.78479037	DEmdeg	14.57235715
PmRA	3.2	PmDE	-8.7	E RAmdeg	23	E DEmdeg	31
E pmRA	1.7	E pmDE	1.7	EpRAm	1989.14	EpDEm	1986.39
Num	5	Q RAmdeg	1.3	Q DEmdeg	1.3	Q pmRA	1.4
Q pmDE	1.3	BTmag	10.929	E BTmag	0.045	VTmag	10.412
E VTmag	0.041	Prox	24	TYC	T	HIP
CCDM		RAdeg	315.78487250	DEdeg	14.57213889	EpRA 1990	1.56
EpDE 1990	1.10	E RAdeg	22.8	E DEdeg	31.5	Posflg	D
Corr	-0.1

CCDM

Ccdm	21031+1434	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.36	DDEs	20.9
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.9	Sp	F	PmNote	*
PmRA	4	PmDE	1	Dm number	+14 4519	Cat1	BD
Name2	+14 2347	Cat2	AGK2/3	HD	200452	M HD
ADS BDS	A14581	M ADS BDS		N IDS		IDS	20584N1411A
HIC

21031+1434 B

Componente originario normalizzato	AB		Coord arcsec 2000	210308.30+143422.8		Mag	10.85		PmRA	3.00
PmDE	-9.0		Tycho2	1115-00052-2		Calc delta mag	0.44		Calc coord	yes

Tycho2

Tycho2	1115-00052-2	Pflag	P	RAmdeg	315.78479037	DEmdeg	14.57235715
PmRA	3.2	PmDE	-8.7	E RAmdeg	23	E DEmdeg	31
E pmRA	1.7	E pmDE	1.7	EpRAm	1989.14	EpDEm	1986.39
Num	5	Q RAmdeg	1.3	Q DEmdeg	1.3	Q pmRA	1.4
Q pmDE	1.3	BTmag	11.228	E BTmag	0.060	VTmag	10.851
E VTmag	0.065	Prox	24	TYC	T	HIP
CCDM		RAdeg	315.78463694	DEdeg	14.57276667	EpRA 1990	1.57
EpDE 1990	1.09	E RAdeg	31.5	E DEdeg	44.3	Posflg	D
Corr	-0.1

CCDM

Ccdm	21031+1434	RComp		Comp	B	Note1
Note2		Discov num	A 1689	DRAs		DDEs
R dRAs		Year	1907	Theta	339	Rho	2.2
Obs	10	Vmag	9.9	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14581	M ADS BDS		N IDS		IDS	20584N1411B
HIC