20440+1225 HJ 1566 AC

20^h 44^m 10.76^s +12° 24' 36.8" P.A. 331.00 sep 32.4 mag 12.95,14.60

Coord 2000	20440+1225	Discov num	HJ 1566	Comp	AC	Coord arcsec 2000	20 44 10.76 +12 24 36.8
Date first	1909	Date last	2001	Obs	3
Pa first	337	Pa last	330.6	P.A. Now (θ)	330.6°
Sep first	30.2	Sep last	32.394	Sep. Now (ρ)	32.394"
Mag pri	12.95	Mag sec	14.60	delta mag (ΔM)	1.65	Spectral class
Pri motion ra	-024	Sec motion ra	-007
Pri motion dec	+090	Sec motion dec	+003
Notes	N X (See Notes, Dubious double)

rPM=0.952

This double is not physical.

20440+1225 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 44 11 +12 24 37	HJ 1566 AB	2015	6	16	16.9	12.95	14.20	1.25
Show			20 44 11 +12 24 37	HJ 1566 AC	2001	3	331	32.4	12.95	14.60	1.65		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1755176803995853952

WDS 20440+1225 HJ 1566 AC : NOTES

discov_num	notes	refcode
HJ 1566	C component is galaxy = UGC 11620 = LEDA 65281.	Dam2010

REFERENCES

refcode	metd	author	reference
Dam2010	j	Damm, F.	...................
Dam2010		private communication, 2010

DISCOVERER

idgroup	discov	author
1	HJ	Herschel, J.F.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20440+1225	HJ 1566	AC	2000	1	332	31.1	13.00	13.00		N	204410.76+122436.8
20440+1225	HJ 1566	AC	2001	3	331	32.4	13.00	13.00		N	204410.76+122436.8

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

WDS 20440+1225 HJ 1566 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20440+1225 HJ 1566 AC : MEASURES

No records found.

WDS 20440+1225 : 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 20440+1225 : ALADIN DSS IMAGE @ 20^h 44^m 10.76^s +12° 24' 36.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20440+1225 HJ 1566 AC : 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		20440+1225	HJ 1566	AB	16	16.9	1
Show		20440+1225	HJ 1566	AC	331	32.4	1
Show		20441+1258	J 1889		10	4.6	8
Show		20449+1219	B 2910	Aa,Ab	52	0.1	13
Show		20449+1219	STF2723	AB	140	1.0	13
Show		20449+1219	BU 1492	AC	30	37.0	13
Show		20442+1209	BPM2240		148	55.1	16
Show		20444+1205	A 875		208	2.5	20
Show		20450+1244	D 32	CD	15	60.8	22
Show		20450+1244	BU 64	AB	174	0.7	23
Show		20450+1244	STTA209	AC	155	97.2	23
Show		20450+1244	BU 64	AD	117	64.3	23
Show		20428+1244	BPM2234		331	93.5	29
Show		20460+1235	KPP 477		52	4.5	29
Show		20439+1255	J 1888		158	10.0	30
Show		20426+1244	STF2718	BC	346	167.3	31
Show		20426+1244	STF2718	AB	87	8.5	31
Show		20426+1244	STF2718	AC	346	167.2	31
Show		20446+1154	BPM2251		51	84.7	31
Show		20440+1256	DAM 218		342	5.7	32
Show		20420+1212	BPM2231		330	108.9	35
Show		20418+1231	STF2715		2	12.4	36
Show		20429+1152	BPM2235		142	114.9	38
Show		20426+1300	GWP2988		23	19.1	43
Show		20457+1302	WFC 258		284	11.7	44
Show		20419+1150	HEI 588		293	2.3	48
Show		20446+1312	TDS1098		279	0.9	48
Show		20414+1157	TDT2472		309	0.5	49
Show		20410+1206	HEI 587		36	1.2	51
Show		20471+1257	BPM2265		51	16.1	54
Show		20405+1240	HEI 278		135	3.4	56
Show		20465+1131	BPM2258		45	78.9	63
Show		20402+1248	BPM2223		290	95.3	64
Show		20486+1223	BPM2273		132	52.3	65
Show		20460+1126	TDT2526		223	0.4	65
Show		20438+1330	BPM2238		50	66.9	66
Show		20440+1118	UC 4272		354	60.1	67
Show		20446+1333	YSC 242	AB	157	1.5	70
Show		20404+1143	UC 4253		315	19.7	70
Show		20488+1248	GWP3000		280	24.1	72
Show		20439+1113	BPM2239		101	71.9	72
Show		20424+1117	OSO 131	AB	222	13.0	72
Show		20424+1117	OSO 131	AC	161	14.1	72
Show		20424+1117	OSO 131	AD	37	20.6	72
Show		20424+1117	OSO 131	AE	56	24.1	72
Show		20424+1117	OSO 131	AF	174	22.9	72
Show		20426+1335	HEI 279	BC	211	4.1	75
Show		20426+1335	HEI 279	AB	115	25.1	75
Show		20413+1327	BPM2228	BC	141	118.1	75
Show		20492+1243	GWP3001		126	94.3	76
Show		20413+1327	BPM2227	AB	173	68.5	76

WDS 20440+1225 : COMPONENTS

	A	B
B	pa=15.5° sep=16.82"
C	pa=331.2° sep=32.21"	pa=300.9° sep=23.36"

20440+1225 A

Coord arcsec 2000

204410.76+122436.8

Mag

12.95

PmRA

-24.00

PmDE

90.0

20440+1225 B

Coord arcsec 2000	204411.07+122453.0		Mag	14.2		PmRA	26.00		PmDE	24.0
Calc delta mag	1.25		Calc coord	yes

20440+1225 C

Coord arcsec 2000	204409.70+122505.0		Mag	14.6		PmRA	-7.00		PmDE	3.0
Calc delta mag	1.65		Calc coord	yes