20421+0648 GWP 2987

20^h 42^m 08.45^s +06° 48' 18.4" P.A. 295.00 sep 266.1 mag 16.30,18.90

Coord 2000	20421+0648	Discov num	GWP2987	Comp		Coord arcsec 2000	20 42 08.45 +06 48 18.4
Date first	1991	Date last	2015	Obs	6
Pa first	295	Pa last	295	P.A. Now (θ)	295°
Sep first	266.0	Sep last	266.133	Sep. Now (ρ)	266.133"
Mag pri	16.30	Mag sec	18.90	delta mag (ΔM)	2.6	Spectral class
Pri motion ra	-042	Sec motion ra	-042
Pri motion dec	-102	Sec motion dec	-096
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.054 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1748084198082450432

WDS 20421+0648 GWP 2987 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP		(RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP		Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP		Observatory (OAG) CPMWP Survey
GWP		Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP		(RA 12h00m to 23h59m, DEC +20 to -20 deg)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20421+0648	GWP2987		2000	2	295	266.0	16.30	18.90		V R	204208.45+064818.4
20421+0648	GWP2987		2010	3	295	266.1	16.30	18.90		V R	204208.45+064818.4
20421+0648	GWP2987		2015	4	295	266.1	16.30	18.90		V R	204208.45+064818.4

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

WDS 20421+0648 GWP 2987 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20421+0648 GWP 2987 : MEASURES

No records found.

WDS 20421+0648 : VIRTUAL EYEPIECE

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WDS 20421+0648 : ALADIN DSS IMAGE @ 20^h 42^m 08.45^s +06° 48' 18.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20421+0648 GWP 2987 : 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		20421+0648	GWP2987		295	266.1	1
Show		20426+0714	TDT2489		232	0.4	27
Show		20442+0648	SKF2552	AB	60	17.6	31
Show		20442+0648	SKF2552	AC	31	23.1	31
Show		20442+0648	SKF2552	BC	343	11.4	31
Show		20422+0724	J 571		255	3.9	37
Show		20399+0620	RAO 617		334	2.5	44
Show		20386+0628	KPP 806		87	7.0	57
Show		20457+0709	BU 834		134	2.4	57
Show		20459+0607	TDT2523		80	1.7	70
Show		20464+0618	TDT2533		230	0.7	71
Show		20455+0553	HDS2954		298	1.0	75
Show		20388+0750	TDT2448		28	0.6	80
Show		20468+0733	GAA 8		1	0.0	83
Show		20364+0733	GWP2971		84	8.6	96
Show		20358+0711	LEP 170		297	4.2	97
Show		20478+0600	BU 65		200	1.5	98
Show		20478+0555	TDT2543		263	0.6	100
Show		20487+0706	J 3223		307	2.7	104
Show		20388+0512	GWP2976		324	6.5	109
Show		20352+0608	HWE 98		1	58.5	111
Show		20462+0822	SKF1867		357	6.1	112
Show		20345+0653	BU 1208		332	3.1	114
Show		20468+0821	GWP2998		50	104.9	116
Show		20396+0458	KUI 99	AB	111	0.3	117
Show		20396+0458	BAG 14	Aa,Ab	49	0.2	117
Show		20346+0615	UC 4218		315	75.8	117
Show		20457+0838	A 1210		247	4.0	122
Show		20478+0818	UC 4291		7	46.1	124
Show		20384+0838	WIS 339		24	999.9	124
Show		20382+0459	BAL2970		35	12.5	125
Show		20446+0854	LDS1046		344	15.0	131
Show		20496+0538	GWP3002		247	57.2	132
Show		20458+0445	BAL2971		21	17.1	135
Show		20511+0623	STF2730		333	3.3	136
Show		20329+0647	UC 4213		204	9.0	139
Show		20358+0508	BAL2968		10	13.9	139
Show		20488+0512	J 2321	AB	151	6.6	139
Show		20488+0512	OSO 135	AC	158	16.6	139
Show		20501+0802	GWP3003		228	21.2	140
Show		20500+0533	STTA210	AB	127	78.2	140
Show		20370+0452	SMA 118		125	19.1	141
Show		20500+0533	STTA210	BC	222	12.4	141
Show		20327+0656	HDS2934		75	1.2	141
Show		20348+0514	SCJ 26		88	25.1	145
Show		20367+0447	CBL 528		234	20.5	146
Show		20397+0910	UC 4248		329	36.4	147
Show		20457+0430	A 2285	AB	222	7.7	149
Show		20457+0430	A 2285	AC	116	33.4	149
Show		20516+0734	A 612		7	2.0	149
Show		20339+0811	HEI 585		208	1.3	149

WDS 20421+0648 : COMPONENTS

	A
B	pa=295.2° sep=264.59"

20421+0648 A

Componente originario normalizzato	AB		Coord arcsec 2000	204208.45+064818.4		Mag	16.3		PmRA	-42.00
PmDE	-102.0

20421+0648 B

Componente originario normalizzato	AB		Coord arcsec 2000	204152.37+065010.9		Mag	18.9		PmRA	-42.00
PmDE	-96.0		Calc delta mag	2.6		Calc coord	yes