20554+3147 TDT 2630

20^h 55^m 21.25^s +31° 47' 13.8" P.A. 86.00 sep 1.9 mag 12.34,12.43

Coord 2000	20554+3147	Discov num	TDT2630	Comp		Coord arcsec 2000	20 55 21.25 +31 47 13.8
Date first	1991	Date last	1991	Obs	1
Pa first	86	Pa last	85.9	P.A. Now (θ)	85.9°
Sep first	1.9	Sep last	1.86	Sep. Now (ρ)	1.86"
Mag pri	12.34	Mag sec	12.43	delta mag (ΔM)	0.09	Spectral class
Pri motion ra	-003	Sec motion ra	-003
Pri motion dec	-008	Sec motion dec	-008
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2688-00487-1

Gaia DR2

1865629167983422464

WDS 20554+3147 TDT 2630 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20554+3147	TDT2630		1991	1	86	1.9	12.34	12.43			205521.25+314713.8

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WDS 20554+3147 TDT 2630 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20554+3147 TDT 2630 : MEASURES

No records found.

WDS 20554+3147 : VIRTUAL EYEPIECE

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WDS 20554+3147 : ALADIN DSS IMAGE @ 20^h 55^m 21.25^s +31° 47' 13.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20554+3147 TDT 2630 : 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		20554+3147	TDT2630		86	1.9
Show		20562+3158	ES 372		146	3.5	16
Show		20559+3206	STT 421	AB	194	34.8	24
Show		20559+3206	HU 1655	AC	73	30.6	24
Show		20559+3206	FYM 140	AD	162	29.5	24
Show		20535+3156	GYL 41		203	34.2	25
Show		20536+3138	HDS2976		248	0.3	25
Show		20553+3214	GYL 42		26	15.1	27
Show		20540+3124	ES 371		134	3.5	29
Show		20529+3149	A 1213		178	3.3	32
Show		20530+3136	TDT2602		64	0.6	32
Show		20529+3154	GYL 40		22	23.0	33
Show		20578+3202	ES 2438		311	6.8	34
Show		20528+3132	TDT2599		325	1.7	37
Show		20540+3220	TDT2615		281	0.4	38
Show		20573+3215	KPP1292		28	9.9	38
Show		20577+3211	ES 2381		107	4.1	39
Show		20534+3220	ES 2380		333	5.5	42
Show		20534+3113	TDT2609		11	0.5	43
Show		20531+3221	ES 2379		115	7.0	44
Show		20538+3104	CLL 16		184	32.0	48
Show		20571+3230	TDT2654		205	0.5	49
Show		20554+3059	J 2329		11	6.5	49
Show		20588+3209	TDT2671		302	0.5	49
Show		20593+3155	COU1178		16	1.2	51
Show		20535+3057	STTA212		155	65.7	56
Show		20548+3242	STT 418		283	0.9	56
Show		20590+3218	COU1636		9	0.8	56
Show		20598+3126	GYL 44		2	51.2	61
Show		20563+3247	GYL 27		184	24.2	61
Show		20567+3047	LDS2935		200	10.1	62
Show		20596+3216	GYL 43		188	30.1	62
Show		20547+3046	LDS2934		178	10.8	63
Show		21003+3134	KPP1379		160	10.3	65
Show		20503+3151	TDT2570		262	3.2	65
Show		20515+3104	NSN 737	AB	134	1.4	66
Show		20515+3104	RAO 676	AC	22	4.5	66
Show		20592+3231	TDT2675		207	2.0	67
Show		20525+3246	GYL 39		83	14.9	69
Show		21010+3156	STJ 61		136	1.5	72
Show		21010+3145	TDT2695		172	0.8	73
Show		20554+3033	GRV 396		349	67.4	75
Show		20586+3249	TDT2668		120	0.7	75
Show		20525+3040	TDT2594		160	0.8	77
Show		20521+3254	TDT2591		5	0.5	79
Show		20576+3301	TDT2660		123	0.5	79
Show		21007+3227	CVE 26		164	3.2	80
Show		20532+3301	ES 2356		250	5.0	80
Show		21009+3224	TDT2694		148	10.2	80
Show		20555+3028	TDT2633		116	1.4	80
Show		21009+3225	CVE 27	AB	240	3.6	80

WDS 20554+3147 : COMPONENTS

	A
B	pa=85.2° sep=1.58"

20554+3147 A

Componente originario normalizzato	AB		Coord arcsec 2000	205521.25+314713.8		Mag	12.34		PmRA	-3.00
PmDE	-8.0

20554+3147 B

Componente originario normalizzato	AB		Coord arcsec 2000	205521.37+314713.9		Mag	12.43		PmRA	-3.00
PmDE	-8.0		Tycho2	2688-00487-1		Calc delta mag	0.09		Calc coord	yes

Tycho2

Tycho2	2688-00487-1	Pflag		RAmdeg	313.83912810	DEmdeg	31.78720587
PmRA	-3.1	PmDE	-8.2	E RAmdeg	74	E DEmdeg	69
E pmRA	2.3	E pmDE	2.2	EpRAm	1977.68	EpDEm	1978.42
Num	4	Q RAmdeg	1.0	Q DEmdeg	0.7	Q pmRA	1.0
Q pmDE	0.6	BTmag	12.600	E BTmag	0.165	VTmag	12.525
E VTmag	0.175	Prox	904	TYC		HIP
CCDM		RAdeg	313.83913556	DEdeg	31.78722528	EpRA 1990	1.59
EpDE 1990	1.65	E RAdeg	81.1	E DEdeg	75.1	Posflg
Corr	0.2