20503+1630 LDS 1048 AB

20^h 50^m 08.40^s +16° 31' 05.6" P.A. 151.00 sep 13.7 mag 10.48,12.08

Coord 2000	20503+1630	Discov num	LDS1048	Comp	AB	Coord arcsec 2000	20 50 08.40 +16 31 05.6
Date first	1896	Date last	2016	Obs	12
Pa first	152	Pa last	151.1	P.A. Now (θ)	151.1°
Sep first	14.2	Sep last	13.66	Sep. Now (ρ)	13.66"
Mag pri	10.48	Mag sec	12.08	delta mag (ΔM)	1.6	Spectral class
Pri motion ra	+117	Sec motion ra	+105
Pri motion dec	-012	Sec motion dec	-014
Notes	Z W (Parallax indicates components are physical, )

rPM=0.103 (< 0.3, Physical double)

This double is physical.

20503+1630 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 50 08 +16 31 06	LDS 1048 AB	2016	12	151	13.7	10.48	12.08	1.60		<===
Show			20 50 08 +16 31 06	LDS 1048 AC	2016	1	213	1.6	10.48	13.30	2.82

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1647-01935-1

WDS 20503+1630 LDS 1048 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20503+1630	LDS1048	AB	2015	11	153	13.9	10.48	12.08		W	205008.40+163105.6
20503+1630	LDS1048	AB	2016	12	151	13.7	10.48	12.08		ZW	205008.40+163105.6

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

WDS 20503+1630 LDS 1048 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20503+1630 LDS 1048 AB : MEASURES

No records found.

WDS 20503+1630 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 20503+1630 : ALADIN DSS IMAGE @ 20^h 50^m 08.40^s +16° 31' 05.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20503+1630 LDS 1048 AB : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20503+1630	LDS1048	AB	151	13.7
Show		20503+1630	LDS1048	AC	213	1.6
Show		20505+1616	KPP4216		237	1.6	16
Show		20503+1649	TDT2571		258	0.8	18
Show		20514+1619	BPM2283		243	38.1	22
Show		20513+1647	J 3115		321	7.1	22
Show		20485+1628	BPM2271		127	97.8	25
Show		20506+1601	BPM2281		268	35.3	31
Show		20500+1702	UC 4303		81	18.2	32
Show		20508+1702	CVR 875		72	20.3	33
Show		20481+1616	SKF1770		223	3.4	34
Show		20501+1556	BPM2278		296	68.3	36
Show		20501+1707	HEI 183		25	0.5	36
Show		20489+1558	BPM2275		143	74.7	38
Show		20522+1656	J 3116	AB	39	73.3	39
Show		20522+1656	J 3116	BC	143	6.0	40
Show		20481+1601	BPM2269		222	81.9	43
Show		20499+1718	CBL 88		104	43.4	48
Show		20509+1544	BPM2282		160	54.6	49
Show		20485+1545	BPM2272		333	103.7	52
Show		20518+1545	GWP3007		163	8.1	52
Show		20466+1616	BPM2261		202	69.5	53
Show		20467+1607	STF2727	AB	266	8.8	56
Show		20467+1607	FYM 18	AD	323	109.4	56
Show		20463+1624	BPM2257		337	107.8	56
Show		20468+1602	BPM2264		222	107.2	57
Show		20542+1619	BPM2289		75	96.0	60
Show		20500+1732	TDS1104		299	1.9	61
Show		20539+1700	BPM2288		339	115.1	62
Show		20527+1726	J 605	AB	241	1.7	67
Show		20527+1726	J 605	AC	161	38.1	67
Show		20462+1554	WSI 110	Aa,Ab	343	0.0	68
Show		20462+1554	STF2725	AB	12	6.2	68
Show		20479+1732	BRT1348		123	5.7	69
Show		20518+1736	J 2325		260	5.4	70
Show		20463+1715	GWP2995		257	8.3	70
Show		20509+1517	J 3113		111	4.8	73
Show		20548+1642	ROE 126		138	9.7	74
Show		20527+1528	HJ 1585		195	14.3	74
Show		20446+1635	BPM2250	BC	332	117.2	79
Show		20456+1714	COU 425		327	0.7	79
Show		20466+1532	J 3110		222	6.9	80
Show		20535+1734	UC 4319		158	67.6	80
Show		20446+1635	BPM2248	AB	95	107.8	80
Show		20446+1635	BPM2249	AC	29	107.0	80
Show		20477+1519	BPM2266		294	106.0	81
Show		20446+1642	BPM2246	AB	16	90.0	81
Show		20446+1642	BPM2247	AC	173	116.0	81
Show		20453+1715	GWP2993		104	11.1	82
Show		20467+1523	BPM2263		265	53.6	84
Show		20457+1537	BPM2255		85	72.3	84

WDS 20503+1630 : COMPONENTS

	A	B
B	pa=152.1° sep=13.53"
C	pa=212.0° sep=1.57"	pa=326.0° sep=12.81"

20503+1630 A

Coord arcsec 2000	205008.40+163105.6		Mag	10.48		PmRA	117.00		PmDE	-12.0
Tycho2	1647-01935-1

Tycho2

Tycho2	1647-01935-1	Pflag		RAmdeg	312.53502081	DEmdeg	16.51821669
PmRA	114.0	PmDE	-14.2	E RAmdeg	29	E DEmdeg	39
E pmRA	1.5	E pmDE	1.4	EpRAm	1987.24	EpDEm	1982.15
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.8	Q pmRA	0.4
Q pmDE	0.9	BTmag	11.203	E BTmag	0.064	VTmag	10.485
E VTmag	0.048	Prox	674	TYC	T	HIP
CCDM		RAdeg	312.53474833	DEdeg	16.51825000	EpRA 1990	1.75
EpDE 1990	1.53	E RAdeg	29.5	E DEdeg	41.3	Posflg
Corr	0.1

20503+1630 B

Coord arcsec 2000	205008.84+163053.6		Mag	12.08		PmRA	105.00		PmDE	-14.0
Calc delta mag	1.6		Calc coord	yes

20503+1630 C

Coord arcsec 2000

205008.34+163104.3

Mag

13.3

Calc delta mag

2.82

Calc coord

yes