20179+1553 CHE 283 (HD 355371)

20^h 17^m 52.82^s +15° 53' 04.3" P.A. 80.00 sep 24.5 mag 12.01,11.40

Coord 2000	20179+1553	Discov num	CHE 283	Comp		Coord arcsec 2000	20 17 52.82 +15 53 04.3
Date first	1904	Date last	2015	Obs	15
Pa first	80	Pa last	79.6	P.A. Now (θ)	79.6°
Sep first	23.7	Sep last	24.469	Sep. Now (ρ)	24.469"
Mag pri	12.01	Mag sec	11.40	delta mag (ΔM)	0.61	Spectral class
Pri motion ra	+001	Sec motion ra	+008
Pri motion dec	+000	Sec motion dec	-001
Notes

rPM=0.877

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 355371		Constellation	Delphinus		Tycho2	1631-02086-1		Gaia DR2	1808448172428369664
HD	355371

WDS 20179+1553 CHE 283 (HD 355371) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Che1908	Pa -	Chevalier, Stanislas	.
Che1908		Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909	Pa -	Chevalier, Stanislas	.
Che1909		Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910	Ma j	Chevalier, Stanislas & Tsang Ziang-seng	.
Che1910	+Pa	Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911	Ma -	Chevalier, Stanislas	.
Che1911	+Pa	Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925	Pa -	Chevalier, Stanislas	1925JO......8...65G
Che1925		J. Obs. 8, 65, 1925

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20179+1553	CHE 283		1998	6	80	24.5	11.68	11.88		D	201752.82+155304.3
20179+1553	CHE 283		2008	7	80	24.5	11.68	11.88		D	201752.82+155304.3
20179+1553	CHE 283		2010	10	80	24.4	12.01	11.40			201752.82+155304.3
20179+1553	CHE 283		2015	11	80	24.5	12.01	11.40			201752.82+155304.3

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WDS 20179+1553 CHE 283 (HD 355371) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20179+1553 CHE 283 (HD 355371) : MEASURES

No records found.

WDS 20179+1553 (HD 355371) : VIRTUAL EYEPIECE

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WDS 20179+1553 (HD 355371) : ALADIN DSS IMAGE @ 20^h 17^m 52.82^s +15° 53' 04.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20179+1553 CHE 283 (HD 355371) : 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		20179+1553	CHE 283		80	24.5
Show		20181+1555	J 553		20	3.7	4
Show		20181+1552	CHE 289		39	32.5	4
Show		20183+1556	CHE 292		181	15.7	7
Show		20180+1544	CHE 284		339	30.4	10
Show		20172+1553	BKO 560	BC	199	1.4	10
Show		20172+1553	CHE 273	AB	94	26.8	11
Show		20180+1543	CHE 285		17	7.1	11
Show		20182+1604	CHE 291		275	8.3	12
Show		20186+1548	CHE 295		260	13.6	12
Show		20181+1605	BKO 561		91	5.8	13
Show		20187+1551	CHE 298	BC	213	27.0	13
Show		20186+1600	BPM2102		47	72.1	13
Show		20187+1551	CHE 297	AB	6	35.1	13
Show		20187+1551	CHE 298	AC	318	16.9	13
Show		20171+1601	CHE 271		34	26.3	14
Show		20177+1539	CHE 278		89	10.5	15
Show		20171+1604	CHE 270		103	16.1	16
Show		20183+1539	CHE 293		354	24.8	16
Show		20189+1546	CHE 301		296	28.1	17
Show		20168+1543	CHE 266		51	36.5	19
Show		20170+1538	CHE 269		285	26.9	20
Show		20190+1540	BPM2103		173	15.0	21
Show		20165+1601	BKO 559		36	4.8	21
Show		20171+1536	CHE 272		104	17.4	22
Show		20166+1603	CHE 264		35	28.3	22
Show		20165+1602	BKO 558		137	6.2	23
Show		20166+1606	CHE 263		140	4.0	23
Show		20178+1530	CHE 280		230	27.7	24
Show		20161+1553	CHE 254	AB	133	26.6	26
Show		20161+1553	BKO 556	AC	313	10.2	26
Show		20161+1552	BKO 557		347	5.6	26
Show		20188+1530	TOB 319	AB	65	14.9	27
Show		20188+1530	CHE 299	AC	329	37.6	27
Show		20163+1538	CHE 261	AB	41	18.3	28
Show		20163+1538	CHE 261	AC	111	23.8	28
Show		20180+1526	CHE 286		92	25.9	28
Show		20198+1550	STE 2		164	8.1	29
Show		20190+1530	BKO 563		147	9.2	29
Show		20194+1534	TOB 310		239	16.3	29
Show		20162+1534	CHE 257		38	29.0	31
Show		20161+1537	CHE 255		216	24.6	31
Show		20162+1535	CHE 256		48	27.3	31
Show		20195+1533	HDS2905		116	0.3	32
Show		20190+1526	BPM2104		293	93.0	32
Show		20174+1522	CHE 276		261	18.0	32
Show		20163+1615	CHE 260		201	27.4	33
Show		20189+1524	CHE 302		129	23.7	34
Show		20193+1619	BPM2108		293	105.0	34
Show		20179+1520	SMA 116		159	9.7	34
Show		20178+1520	CHE 281		316	17.7	34

WDS 20179+1553 : COMPONENTS

	A
B	pa=79.2° sep=23.57"

20179+1553 A

Componente originario normalizzato	AB		Name	HD 355371		Coord arcsec 2000	201752.82+155304.3		Mag	12.01
PmRA	1.00		PmDE	0.0		Tycho2	1631-00009-1		HD	355371

Tycho2

Tycho2	1631-00009-1	Pflag		RAmdeg	304.47703126	DEmdeg	15.88580010
PmRA	8.7	PmDE	0.3	E RAmdeg	56	E DEmdeg	65
E pmRA	2.1	E pmDE	2.1	EpRAm	1981.66	EpDEm	1978.05
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.7	Q pmRA	0.3
Q pmDE	0.7	BTmag	12.554	E BTmag	0.251	VTmag	11.882
E VTmag	0.199	Prox	244	TYC		HIP
CCDM		RAdeg	304.47701528	DEdeg	15.88581861	EpRA 1990	1.65
EpDE 1990	1.60	E RAdeg	105.1	E DEdeg	102.0	Posflg
Corr	-0.2

20179+1553 B

Componente originario normalizzato	AB		Coord arcsec 2000	201754.42+155308.7		Mag	11.4		PmRA	8.00
PmDE	-1.0		Tycho2	1631-02086-1		Calc delta mag	0.61		Calc coord	yes

Tycho2

Tycho2	1631-02086-1	Pflag		RAmdeg	304.47008389	DEmdeg	15.88454081
PmRA	0.4	PmDE	-1.6	E RAmdeg	76	E DEmdeg	72
E pmRA	2.1	E pmDE	2.0	EpRAm	1972.22	EpDEm	1972.27
Num	3	Q RAmdeg	0.5	Q DEmdeg	0.2	Q pmRA	0.5
Q pmDE	0.2	BTmag	12.007	E BTmag	0.137	VTmag	11.680
E VTmag	0.165	Prox	244	TYC		HIP
CCDM		RAdeg	304.47008250	DEdeg	15.88454444	EpRA 1990	1.62
EpDE 1990	1.59	E RAdeg	86.1	E DEdeg	82.4	Posflg
Corr	-0.2