18570-4012 NSN 486 BC

18^h 57^m 00.87^s -40° 11' 50.8" P.A. 295.00 sep 22.3 mag 15.04,15.51

Coord 2000	18570-4012	Discov num	NSN 486	Comp	BC	Coord arcsec 2000	18 57 00.87 -40 11 50.8
Date first	1984	Date last	2016	Obs	6
Pa first	292	Pa last	294.8	P.A. Now (θ)	294.8°
Sep first	22.4	Sep last	22.27	Sep. Now (ρ)	22.27"
Mag pri	15.04	Mag sec	15.51	delta mag (ΔM)	0.47	Spectral class
Pri motion ra	+034	Sec motion ra	+033
Pri motion dec	-192	Sec motion dec	-200
Notes	T (Parallax indicates physical)

rPM=0.04 (< 0.3, Physical double)

This double is physical.

18570-4012 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 57 01 -40 11 51	NSN 486 AB	2016	5	280	2.8	15.00	15.04	0.04
Show			18 57 01 -40 11 51	NSN 486 AC	2015	5	294	23.6	15.00	15.51	0.51
Show			18 57 01 -40 11 51	NSN 486 BC	2016	6	295	22.3	15.04	15.51	0.47		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Corona Austrina

WDS 18570-4012 NSN 486 BC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Nsn2013	M+ w	Nanson, J., McGaughey, S. & Armstrong, J.D.	2013JDSO....9..267N
Nsn2013	+C	JDSO 9, 267, 2013
Nsn2014	C u	Nanson, J. & Smith, S.C.	2014JDSO...10..139N
Nsn2014		JDSO 10, 139, 2014
Nsn2015	C -	Nanson, J., Smith, S.C. & Thuemen, C.	2015JDSO...11...12N
Nsn2015		JDSO 11, 12, 2015
Nsn2016	not -	Nanson, J.	...................
Nsn2016		private communication, 2016
Nsn2016b	C j	Nanson, J. & Knapp, W.R.A.	2016JDSO...12..450N
Nsn2016b		JDSO 12, 450, 2016
Nsn2016c	not -	Nanson, J.	2016JDSO...12..573N
Nsn2016c		JDSO 12, 573, 2016
Nsn2017a	not -	Nanson, J.	...................
Nsn2017a		private communication, 2017
Nsn2017b	not -	Nanson, J.	...................
Nsn2017b		private communication, 2017
Nsn2017c	C j	Nanson, J. & Knapp, W.R.A.	2017JDSO...13..299N
Nsn2017c	+E+	JDSO 13, 299, 2017
Nsn2017c	+Hg
Nsn2017d	not -	Nanson, J.	...................
Nsn2017d		private communication, 2017
Nsn2017e	not -	Nanson, J. & Knapp, W.	...................
Nsn2017e		private communication, 2017
Nsn2018a	Hg j	Nanson, J.	...................
Nsn2018a		private communication, 2018 (15 February 2018 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18570-4012	NSN 486	BC	2015	5	295	20.9	15.04	15.51		T	185700.87-401150.8
18570-4012	NSN 486	BC	2016	6	295	22.3	15.04	15.51		T	185700.87-401150.8

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

WDS 18570-4012 NSN 486 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18570-4012 NSN 486 BC : MEASURES

No records found.

WDS 18570-4012 : 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 18570-4012 : ALADIN DSS IMAGE @ 18^h 57^m 00.87^s -40° 11' 50.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18570-4012 NSN 486 BC : 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		18570-4012	NSN 486	BC	295	22.3
Show		18570-4012	NSN 486	AB	280	2.8	1
Show		18570-4012	NSN 486	AC	294	23.6	1
Show		18572-4029	TDT1146		214	0.9	18
Show		18565-4035	RSS 497		134	10.6	24
Show		18578-3944	UC 3742		160	38.7	29
Show		18564-4040	WG 238		129	6.7	30
Show		18535-4019	TDT1115		260	0.7	42
Show		18564-3929	TDT1138		209	0.8	44
Show		18550-4050	RST2081		280	2.0	45
Show		19002-3945	WG 240		206	5.3	46
Show		18592-3932	HJ 5074		246	16.1	47
Show		18548-4054	CPO 601		246	6.1	50
Show		19002-3938	UC 3753		259	49.5	50
Show		18599-4054	LDS 661		47	10.9	54
Show		18527-3950	WG 237		307	5.2	54
Show		18525-3951	RST2080		157	3.9	57
Show		18572-4114	UC 3736		46	53.2	62
Show		19005-3923	WIS 332		194	999.9	64
Show		18588-4115	TOI1061		174	0.4	66
Show		19038-4015	RSS 506	AB	246	8.6	78
Show		18524-4111	UC 3704		144	64.9	79
Show		19021-3917	B 420		110	0.5	81
Show		18554-4131	BRT1082		273	2.8	82
Show		18544-3854	VOU 97		168	6.9	85
Show		18496-4005	UC 3688		65	22.7	85
Show		18599-4131	UC 3750		220	45.9	86
Show		18510-4104	HJ 5066		85	10.1	87
Show		18534-3858	VOU 96		126	1.9	87
Show		19036-3927	B 421		40	5.4	89
Show		18493-4028	UC 3683		270	22.6	90
Show		18552-3843	VOU 98	AB	197	2.5	93
Show		18552-3843	VOU 98	AC	262	8.2	93
Show		18500-3921	WG 236		223	16.1	96
Show		18486-4007	TOI1081		150	0.3	98
Show		19054-3943	RST2085		124	3.3	102
Show		18530-4143	UC 3710		97	52.0	103
Show		18515-3851	B 2869		77	10.3	103
Show		18522-4143	I 1385	BC	292	0.6	106
Show		18522-4143	HDO 291	A,BC	341	36.6	106
Show		18529-3837	VOU 94		50	7.5	106
Show		18477-4024	UC 3673		244	19.6	108
Show		19041-4126	RSS 508		160	8.4	110
Show		18494-4120	TDT1073		3	0.5	110
Show		19067-4031	RSS 509		321	9.9	113
Show		19051-3908	RST2084		108	1.7	114
Show		19021-4151	DON 939		89	1.3	116
Show		18489-4120	RST2075		96	9.5	116
Show		18469-3959	UC 3668		22	40.3	117
Show		18533-3823	VOU 95		241	5.4	118
Show		18464-4025	UC 3667	CD	147	42.0	122

WDS 18570-4012 : COMPONENTS

	A	B
B	pa=280.3° sep=2.79"
C	pa=300.1° sep=19.06"	pa=303.4° sep=16.45"

18570-4012 A

Coord arcsec 2000

185701.11-401151.3

Mag

PmRA

30.00

PmDE

-198.0

18570-4012 B

Coord arcsec 2000	185700.87-401150.8		Coord calc	185700.87-401150.8		Mag	15.04		PmRA	34.00
PmDE	-192.0		Calc delta mag	0.04

18570-4012 C

Coord arcsec 2000	185659.67-401141.7		Mag	15.51		PmRA	33.00		PmDE	-200.0
Calc delta mag	0.51		Calc coord	yes