20259+4019 ALI 1142

20^h 25^m 54.02^s +40° 18' 40.5" P.A. 56.00 sep 12.1 mag 12.10,12.30

Coord 2000	20259+4019	Discov num	ALI1142	Comp		Coord arcsec 2000	20 25 54.02 +40 18 40.5
Date first	1928	Date last	2015	Obs	9
Pa first	71	Pa last	55.9	P.A. Now (θ)	55.9°
Sep first	11.2	Sep last	12.079	Sep. Now (ρ)	12.079"
Mag pri	12.10	Mag sec	12.30	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	-009	Sec motion ra	-004
Pri motion dec	-018	Sec motion dec	+005
Notes

rPM=1.17

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2067482052392592896

WDS 20259+4019 ALI 1142 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ali1949	Pa -	Ali, A.	1949AJ.....54..199A
Ali1949		AJ 54, 199, 1949
Ali1950	Pa -	Ali, A.	1950AJ.....55..209A
Ali1950		AJ 55, 208, 1950
Ali1952	Pa -	Ali, A.	1952AJ.....57..146A
Ali1952		AJ 57, 146, 1952
Ali1955	Pa -	Ali, A.	.
Ali1955		Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999	Pa -	Ali, A.	...................
Ali9999	+Po	Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20259+4019	ALI1142		1998	2	57	11.9	12.50	13.10		D	202554.02+401840.5
20259+4019	ALI1142		2002	3	57	11.9	12.50	13.10		D	202554.02+401840.5
20259+4019	ALI1142		2010	4	57	11.9	12.10	12.30			202554.02+401840.5
20259+4019	ALI1142		2015	5	56	12.1	12.10	12.30			202554.02+401840.5

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WDS 20259+4019 ALI 1142 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20259+4019 ALI 1142 : MEASURES

No records found.

WDS 20259+4019 : VIRTUAL EYEPIECE

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WDS 20259+4019 : ALADIN DSS IMAGE @ 20^h 25^m 54.02^s +40° 18' 40.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20259+4019 ALI 1142 : 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		20259+4019	ALI1142		56	12.1
Show		20254+4014	MLR 1		213	0.4	9
Show		20264+4029	MLB1087		98	9.5	12
Show		20255+4006	D 22	AB	163	2.9	14
Show		20255+4006	D 22	AC	114	18.1	14
Show		20255+4006	POP 224	AD	98	71.2	14
Show		20257+4004	TOR 25	AB	191	4.7	15
Show		20257+4004	POP 199	AC	245	59.6	15
Show		20253+4003	MLB 22		227	6.2	16
Show		20248+4009	HO 278		70	0.1	16
Show		20244+4002	MLB 21		15	8.8	24
Show		20251+4042	TDT2253		239	2.4	26
Show		20278+4036	TDT2294		310	2.2	29
Show		20283+4005	COU2538		31	1.0	31
Show		20280+3958	TDT2299		8	0.5	33
Show		20283+4038	TDT2306		156	1.1	34
Show		20272+3949	ES 1976		79	3.8	34
Show		20272+3948	SEI1127		116	26.3	35
Show		20231+4037	TDT2228		242	0.4	37
Show		20296+4021	STN 50		170	6.3	38
Show		20294+4011	ALV 6		259	0.6	41
Show		20232+4046	ES 1677		270	7.4	42
Show	Sadr	20222+4015	BU 665	A,BC	197	147.1	43
Show		20231+4047	J 787	CD	292	25.3	43
Show		20231+4047	J 787	AB	165	2.6	43
Show		20231+4047	J 787	AC	112	9.5	43
Show		20231+4047	J 787	AD	293	15.8	43
Show		20222+4015	BU 665	BC,D	131	41.0	44
Show		20222+4015	BU 665	BC	302	1.9	44
Show		20231+4048	GRF 15		139	199.3	44
Show		20232+4052	CIA 46		14	0.0	46
Show		20299+4022	HJ 1525	AB	234	9.2	46
Show		20299+4022	HJ 1525	AC	39	17.1	46
Show		20237+3937	ALI1141		21	11.5	49
Show		20221+4042	ES 1676		285	2.4	50
Show		20301+4007	ES 245		158	4.1	50
Show		20277+3932	TDT2292		167	0.5	52
Show		20274+4107	TDT2288		181	2.5	52
Show		20306+4015	STJ 84		34	1.2	54
Show		20263+3925	ES 1975		26	4.1	54
Show		20215+3950	SEI1103		223	17.0	58
Show		20295+4100	HJ 1523		340	12.0	59
Show		20210+4041	TDT2199		122	0.8	60
Show		20298+3939	LSC 90		335	0.1	60
Show		20207+4031	TDT2193		288	1.2	61
Show		20283+4113	TDT2305		227	0.7	62
Show		20204+4021	TDT2186		349	0.5	63
Show		20286+3923	TDT2315		141	1.5	64
Show		20259+3914	SEI1122		271	27.6	65
Show		20290+3924	ALI1144		165	11.6	65
Show		20310+4050	CAN 26	AB	270	2.6	66

WDS 20259+4019 : COMPONENTS

	A
B	pa=48.4° sep=10.20"

20259+4019 A

Componente originario normalizzato	AB		Coord arcsec 2000	202554.02+401840.5		Mag	12.1		PmRA	-9.00
PmDE	-18.0

20259+4019 B

Componente originario normalizzato	AB		Coord arcsec 2000	202554.69+401847.3		Mag	12.3		PmRA	-4.00
PmDE	5.0		Calc delta mag	0.2		Calc coord	yes