20444+4027 TDT 2510

20^h 44^m 23.27^s +40° 27' 18.3" P.A. 157.00 sep 0.9 mag 11.71,11.96

Coord 2000	20444+4027	Discov num	TDT2510	Comp		Coord arcsec 2000	20 44 23.27 +40 27 18.3
Date first	1991	Date last	1991	Obs	1
Pa first	157	Pa last	157.1	P.A. Now (θ)	157.1°
Sep first	0.9	Sep last	0.88	Sep. Now (ρ)	0.88"
Mag pri	11.71	Mag sec	11.96	delta mag (ΔM)	0.25	Spectral class
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	-002	Sec motion dec	-002
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3170-00843-1

Gaia DR2

2065284059931249536

WDS 20444+4027 TDT 2510 : 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
20444+4027	TDT2510		1991	1	157	0.9	11.71	11.96			204423.27+402718.3

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WDS 20444+4027 TDT 2510 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20444+4027 TDT 2510 : MEASURES

No records found.

WDS 20444+4027 : VIRTUAL EYEPIECE

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WDS 20444+4027 : ALADIN DSS IMAGE @ 20^h 44^m 23.27^s +40° 27' 18.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20444+4027 TDT 2510 : 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		20444+4027	TDT2510		157	0.9
Show		20440+4030	SLN 85		203	9.1	6
Show		20436+4024	DAM1256		106	9.6	10
Show		20454+4023	OSO 133	AB	114	12.0	13
Show		20454+4023	OSO 133	AC	236	11.7	13
Show		20454+4023	OSO 133	AD	67	21.8	13
Show		20454+4023	OSO 133	AE	8	22.4	13
Show		20446+4040	HJ 1573		274	9.8	13
Show		20432+4026	COU2421		110	0.3	14
Show		20446+4041	HJ 1574		278	7.4	14
Show		20456+4014	TDT2519		347	1.3	19
Show		20454+4011	TDT2518		203	0.7	20
Show		20453+4010	COU2293		201	1.1	21
Show		20429+4036	MLB 24		175	5.9	21
Show		20426+4013	TDT2488		138	0.5	25
Show		20466+4020	ES 1982		301	3.9	26
Show		20422+4041	MLB 23		41	7.6	29
Show		20434+4001	BRT2272		285	5.1	30
Show		20420+4015	A 1433		24	0.8	30
Show		20444+4103	COU2423	AB	180	0.3	37
Show		20444+4103	GRV 375	AC	197	31.4	37
Show		20476+4038	CNT 9		292	9.0	39
Show		20419+3956	SEI1221		254	2.0	43
Show		20413+4051	COU2419		69	0.8	43
Show		20419+3953	SEI1222		77	25.4	45
Show		20427+3947	TDT2491		275	1.4	45
Show		20434+3943	TDT2497		317	0.5	46
Show		20405+4010	TOB 196	BC	32	23.4	48
Show		20405+4010	SEI1214	AB	78	20.3	49
Show		20485+4041	ES 1682		152	3.1	49
Show		20416+3950	COU2290		43	0.5	50
Show		20488+4024	ALI1192		2	16.5	51
Show		20481+3958	CVR 231		359	9.7	52
Show		20484+4002	J 1237	BC	355	5.6	53
Show		20484+4002	SEI1255	AB	338	24.4	53
Show		20486+4000	TOB 198		96	21.0	56
Show		20396+4035	STT 410	AB	3	0.9	56
Show		20396+4035	STT 410	AB,C	70	68.6	56
Show		20396+4035	STT 410	AB,D	327	106.6	56
Show		20478+3944	GRV 381		340	35.8	58
Show		20402+3953	MLB 885		72	1.7	59
Show		20428+4123	RAO 619		141	0.6	59
Show		20495+4035	COU2426		328	1.2	59
Show		20438+3928	SEI1230		124	25.3	61
Show		20441+3927	ES 1981		310	4.5	61
Show		20395+4002	BRT2269		199	5.0	62
Show		20392+4017	ES 1980		60	8.3	63
Show		20421+4125	COU2420		90	0.5	64
Show		20447+4131	MLB 25		207	5.7	64
Show		20434+4131	HJ 1571		59	7.3	66
Show		20490+3947	STF2731	AB	86	4.1	67

WDS 20444+4027 : COMPONENTS

	A
B	pa=162.2° sep=0.85"

20444+4027 A

Componente originario normalizzato	AB		Coord arcsec 2000	204423.27+402718.3		Mag	11.71		PmRA	4.00
PmDE	-2.0		Tycho2	3170-00843-1

Tycho2

Tycho2	3170-00843-1	Pflag		RAmdeg	311.09700439	DEmdeg	40.45495975
PmRA	3.8	PmDE	-2.3	E RAmdeg	46	E DEmdeg	43
E pmRA	1.8	E pmDE	1.7	EpRAm	1984.08	EpDEm	1984.16
Num	3	Q RAmdeg	2.2	Q DEmdeg	0.6	Q pmRA	2.2
Q pmDE	0.6	BTmag	11.817	E BTmag	0.073	VTmag	11.231
E VTmag	0.072	Prox	845	TYC	T	HIP
CCDM		RAdeg	311.09699278	DEdeg	40.45496500	EpRA 1990	1.57
EpDE 1990	1.67	E RAdeg	47.9	E DEdeg	44.9	Posflg
Corr	0.0

20444+4027 B

Componente originario normalizzato	AB		Coord arcsec 2000	204423.29+402717.5		Mag	11.96		PmRA	4.00
PmDE	-2.0		Calc delta mag	0.25		Calc coord	yes