19487+2548 KU 123 (HD 338998)

19^h 48^m 42.71^s +25° 48' 28.4" P.A. 298.00 sep 21.6 mag 9.40,11.02 Sp M0

Coord 2000	19487+2548	Discov num	KU 123	Comp		Coord arcsec 2000	19 48 42.71 +25 48 28.4
Date first	1898	Date last	2015	Obs	17
Pa first	302	Pa last	297.5	P.A. Now (θ)	297.5°
Sep first	20.1	Sep last	21.572	Sep. Now (ρ)	21.572"
Mag pri	9.40	Mag sec	11.02	delta mag (ΔM)	1.62	Spectral class	M0 (red)
Pri motion ra	+008	Sec motion ra	-003
Pri motion dec	+001	Sec motion dec	-004
Notes

rPM=1.499

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 338998		Constellation	Vulpecula		Tycho2	2143-00101-1		Gaia DR2	2026975666085077888
HD	338998

WDS 19487+2548 KU 123 (HD 338998) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ku_1884	Ma -	Kustner, F.	1884AN....108..281K
Ku_1884		AN 108, 281, 1884
Ku_1902	Ma -	Kustner, F.	1902AN....160...71K
Ku_1902		AN 160, 71, 1902
Ku_1905A	Ma -	Kustner, F.	1905LicOB...3..147A
Ku_1905A		cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Ku_1963A	-	Kustner, F.	1963icvd.book.....J
Ku_1963A		cited in IDS (Lick Index Cat.), 1963
Ku_1932A	-	Kustner, F.	1932QB821.A43......
Ku_1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19487+2548	KU 123		2007	9	298	21.5	9.40	11.02	M0	D	194842.71+254828.4
19487+2548	KU 123		2009	10	298	21.5	9.40	11.02	M0	D	194842.71+254828.4
19487+2548	KU 123		2013	12	298	21.8	9.40	11.02	M0		194842.71+254828.4
19487+2548	KU 123		2015	14	298	21.5	9.40	11.02	M0		194842.71+254828.4

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

WDS 19487+2548 KU 123 (HD 338998) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 19487+2548 KU 123 (HD 338998) : MEASURES

No records found.

WDS 19487+2548 (HD 338998) : VIRTUAL EYEPIECE

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WDS 19487+2548 (HD 338998) : ALADIN DSS IMAGE @ 19^h 48^m 42.71^s +25° 48' 28.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 19487+2548 KU 123 (HD 338998) : 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		19487+2548	KU 123		298	21.6
Show		19489+2550	BKO 740	AB	38	15.9	4
Show		19489+2550	BKO 740	AD	94	19.3	4
Show		19489+2550	BKO 740	BC	264	8.1	4
Show		19489+2550	BKO 740	DE	323	2.2	4
Show		19488+2559	RAO 417		189	3.5	11
Show		19474+2542	BRT3349		89	5.2	20
Show		19478+2612	SCA 200		139	3.2	27
Show		19478+2615	BRT 201		359	3.2	29
Show		19484+2518	POU4090		214	14.2	31
Show		19467+2613	TDT1732		148	0.7	37
Show		19473+2517	POU4075		284	10.7	37
Show		19462+2608	TDT1722		202	0.5	40
Show		19472+2514	BKO 737		301	6.2	40
Show		19469+2514	BKO 736		350	5.7	43
Show		19515+2522	HJ 1443		196	17.9	47
Show		19467+2511	POU4072		30	11.4	47
Show		19462+2517	POU4062		233	10.1	48
Show		19518+2614	ARY 115		249	116.1	49
Show		19524+2551	STT 388	AB	138	3.9	49
Show		19524+2551	STT 388	AC	129	32.3	49
Show		19524+2551	STT 388	BC	129	29.3	49
Show		19491+2458	POU4104		122	8.2	51
Show		19486+2458	STF2586	AB	226	3.8	51
Show		19486+2458	STF2586	AC	268	63.8	51
Show		19484+2458	POU4087		274	14.2	51
Show		19493+2458	POU4106		91	11.6	52
Show		19475+2458	POU4079		159	15.7	53
Show		19459+2511	TDT1718		166	1.1	54
Show		19501+2457	POU4113		27	8.1	55
Show		19466+2502	POU4071		14	16.4	56
Show		19480+2447	DOO 11		281	2.8	56
Show		19456+2512	AG 390		97	7.3	56
Show		19489+2453	BKO 741		335	3.6	56
Show		19468+2458	BKO 735		351	5.6	57
Show		19484+2450	BKO 738	BC	280	1.2	59
Show		19484+2450	POU4091	AB	346	13.0	59
Show		19485+2449	BKO 739		345	3.7	60
Show		19486+2448	POU4094		159	16.7	61
Show		19448+2621	TDT1699		23	3.0	62
Show		19475+2449	POU4078		333	14.0	62
Show		19502+2647	TDT1789		69	0.6	62
Show		19458+2500	POU4057		238	10.0	63
Show		19534+2553	TDT1827		120	0.8	63
Show		19462+2454	POU4063	AB	36	11.3	65
Show		19462+2454	POU4064	AC	71	14.7	65
Show		19496+2445	POU4108	AB	218	7.8	65
Show		19496+2445	POU4109	AC	282	10.8	65
Show		19462+2453	POU4061		329	9.5	66
Show		19473+2444	POU4076		82	12.5	68
Show		19463+2448	POU4065		297	13.2	69

WDS 19487+2548 : COMPONENTS

	A
B	pa=300.0° sep=19.90"

19487+2548 A

Componente originario normalizzato	AB	Name	HD 338998	Coord arcsec 2000	194842.71+254828.4	Mag	9.4
Spectral class	M0 (red)	PmRA	8.00	PmDE	1.0	Tycho2	2143-00101-1
HD	338998

Tycho2

Tycho2	2143-00101-1	Pflag		RAmdeg	297.17795904	DEmdeg	25.80789293
PmRA	7.4	PmDE	-1.6	E RAmdeg	15	E DEmdeg	14
E pmRA	1.5	E pmDE	1.4	EpRAm	1989.87	EpDEm	1989.65
Num	9	Q RAmdeg	0.8	Q DEmdeg	1.6	Q pmRA	0.8
Q pmDE	1.6	BTmag	11.496	E BTmag	0.060	VTmag	9.399
E VTmag	0.018	Prox	214	TYC	T	HIP
CCDM		RAdeg	297.17794028	DEdeg	25.80789528	EpRA 1990	1.53
EpDE 1990	1.74	E RAdeg	15.9	E DEdeg	14.7	Posflg
Corr	0.0

19487+2548 B

Componente originario normalizzato	AB		Coord arcsec 2000	194841.43+254838.4		Mag	11.02		PmRA	-3.00
PmDE	-4.0		Tycho2	2143-00007-1		Calc delta mag	1.62		Calc coord	yes

Tycho2

Tycho2	2143-00007-1	Pflag		RAmdeg	297.17209346	DEmdeg	25.81065259
PmRA	-3.4	PmDE	-3.9	E RAmdeg	48	E DEmdeg	45
E pmRA	2.1	E pmDE	2.0	EpRAm	1984.92	EpDEm	1985.61
Num	4	Q RAmdeg	2.5	Q DEmdeg	1.4	Q pmRA	2.4
Q pmDE	1.4	BTmag	11.958	E BTmag	0.097	VTmag	11.023
E VTmag	0.066	Prox	214	TYC	T	HIP
CCDM		RAdeg	297.17210306	DEdeg	25.81066139	EpRA 1990	1.54
EpDE 1990	1.75	E RAdeg	49.9	E DEdeg	46.7	Posflg
Corr	-0.1